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## org.jibx.runtime.impl
Class UnmarshallingContext

    java.lang.Object
      org.jibx.runtime.impl.UnmarshallingContext

All Implemented Interfaces:
  IUnmarshallingContext

    public class UnmarshallingContext

extends java.lang.Object
implements IUnmarshallingContext

Pull parser wrapper supplying convenience methods for access. Most of these methods are designed for use in code generated by the binding generator.

Author:
  Dennis M. Sosnoski

Constructor Summary
`UnmarshallingContext()` Default constructor.
`UnmarshallingContext(int nmap, java.lang.String[] umcs, java.lang.String[] nss, java.lang.String[] names, java.lang.String[] idcs, IBindingFactory ifact)` Constructor.

Method Summary
`java.lang.String` | `accumulateText()` Accumulate text content.
`void` | `addUnmarshalling(int index, java.lang.String ns, java.lang.String name, java.lang.String cname)` Define unmarshalling for element.
`boolean` | `attributeBoolean(java.lang.String ns, java.lang.String name)` Get boolean value of attribute from current start tag.
`boolean` | `attributeBoolean(java.lang.String ns, java.lang.String name, boolean dflt)` Get boolean value of optional attribute from current start tag.
`byte` | `attributeByte(java.lang.String ns, java.lang.String name)` Get byte value of attribute from current start tag.
`byte` | `attributeByte(java.lang.String ns, java.lang.String name, byte dflt)` Get byte value of optional attribute from current start tag.
`char` | `attributeChar(java.lang.String ns, java.lang.String name)` Get char value of attribute from current start tag.
`char` | `attributeChar(java.lang.String ns, java.lang.String name, char dflt)` Get char value of optional attribute from current start tag.
`java.util.Date` | `attributeDate(java.lang.String ns, java.lang.String name)` Get `java.util.Date` value of attribute from current start tag.
`java.util.Date` | `attributeDate(java.lang.String ns, java.lang.String name, java.util.Date dflt)` Get `java.util.Date` value of optional attribute from current start tag.
`double` | `attributeDouble(java.lang.String ns, java.lang.String name)` Get double value of attribute from current start tag.
`double` | `attributeDouble(java.lang.String ns, java.lang.String name, double dflt)` Get double value of optional attribute from current start tag.
`int` | `attributeEnumeration(java.lang.String ns, java.lang.String name, java.lang.String[] enums, int[] vals)` Get enumeration attribute value from current start tag.
`int` | `attributeEnumeration(java.lang.String ns, java.lang.String name, java.lang.String[] enums, int[] vals, int dflt)` Get optional enumeration attribute value from current start tag.
`java.lang.Object` | `attributeExistingIDREF(java.lang.String ns, java.lang.String name, int index)` Get previously defined object corresponding to IDREF attribute from current start tag.
`float` | `attributeFloat(java.lang.String ns, java.lang.String name)` Get float value of attribute from current start tag.
`float` | `attributeFloat(java.lang.String ns, java.lang.String name, float dflt)` Get float value of optional attribute from current start tag.
`java.lang.Object` | `attributeForwardIDREF(java.lang.String ns, java.lang.String name, int index)` Get object (if defined yet) corresponding to IDREF attribute from current start tag.
`int` | `attributeInt(java.lang.String ns, java.lang.String name)` Get integer value of attribute from current start tag.
`int` | `attributeInt(java.lang.String ns, java.lang.String name, int dflt)` Get integer value of optional attribute from current start tag.
`long` | `attributeLong(java.lang.String ns, java.lang.String name)` Get long value of attribute from current start tag.
`long` | `attributeLong(java.lang.String ns, java.lang.String name, long dflt)` Get long value of optional attribute from current start tag.
`short` | `attributeShort(java.lang.String ns, java.lang.String name)` Get short value of attribute from current start tag.
`short` | `attributeShort(java.lang.String ns, java.lang.String name, short dflt)` Get short value of optional attribute from current start tag.
`java.lang.String` | `attributeText(java.lang.String ns, java.lang.String name)` Get text value of attribute from current start tag.
`java.lang.String` | `attributeText(java.lang.String ns, java.lang.String name, java.lang.String dflt)` Get text value of optional attribute from current start tag.
`static java.lang.String` | `buildNameString(java.lang.String ns, java.lang.String name)` Build name with optional namespace.
`java.lang.String` | `buildPositionString()` Build current parse input position description.
`void` | `checkAllowedAttributes(java.lang.String[] nss, java.lang.String[] names)` Check that only allowed attributes are present on current start tag.
`boolean` | `convertBoolean(java.lang.String text)` Convert boolean value.
`byte` | `convertByte(java.lang.String text)` Convert byte value with exception wrapper.
`char` | `convertChar(java.lang.String text)` Convert char value with exception wrapper.
`java.util.Date` | `convertDate(java.lang.String text)` Convert `java.util.Date` value with exception wrapper.
`double` | `convertDouble(java.lang.String text)` Convert double value with exception wrapper.
`int` | `convertEnum(java.lang.String target, java.lang.String[] enums, int[] vals)` Find required text value in enumeration.
`int` | `convertEnum(java.lang.String target, java.lang.String[] enums, int[] vals, int dflt)` Find optional text value in enumeration.
`float` | `convertFloat(java.lang.String text)` Convert float value with exception wrapper.
`long` | `convertLong(java.lang.String text)` Convert long value with exception wrapper.
`short` | `convertShort(java.lang.String text)` Convert short value with exception wrapper.
`int` | `currentEvent()` Get the current parse event type.
`java.lang.String` | `currentNameString()` Build current element name, with optional namespace.
`void` | `defineID(java.lang.String id, int index, java.lang.Object obj)` Define object for ID.
`java.lang.Object` | `findDefinedID(java.lang.String id, int index)` Find previously defined object corresponding to an ID.
`java.lang.Object` | `findID(java.lang.String id, int index)` Find the object corresponding to an ID.
`int` | `getActiveNamespaceCount()` Get count of active namespaces.
`java.lang.String` | `getActiveNamespacePrefix(int index)` Get prefix for an active namespace.
`java.lang.String` | `getActiveNamespaceUri(int index)` Get URI for an active namespace.
`int` | `getAttributeCount()` Get number of attributes for current START_ELEMENT event.
`java.lang.String` | `getAttributeName(int index)` Get attribute name for current START_ELEMENT event.
`java.lang.String` | `getAttributeNamespace(int index)` Get attribute namespace for current START_ELEMENT event.
`java.lang.String` | `getAttributePrefix(int index)` Get attribute namespace prefix for current START_ELEMENT event.
`java.lang.String` | `getAttributeValue(int index)` Get attribute value for current START_ELEMENT event.
`java.lang.String` | `getDocumentName()` Return the supplied document name.
`java.lang.String` | `getElementName()` Returns current element name.
`java.lang.String` | `getElementNamespace()` Returns current element namespace URI.
`IBindingFactory` | `getFactory()` Return the binding factory used to create this unmarshaller.
`java.lang.String` | `getInputEncoding()` Return the input encoding, if known.
`java.lang.String` | `getName()` Get name associated with current parse event.
`java.lang.String` | `getNamespace()` Get namespace associated with current parse event.
`int` | `getNamespaceCount()` Get number of namespace declarations for current START_ELEMENT event.
`java.lang.String` | `getNamespacePrefix(int index)` Get namespace prefix for namespace declaration on current START_ELEMENT event.
`java.lang.String` | `getNamespaceUri(int index)` Get namespace URI for namespace declaration on current START_ELEMENT event.
`java.lang.String` | `getNamespaceUri(java.lang.String prefix)` Get namespace URI matching prefix.
`java.lang.String` | `getPrefix()` Get namespace prefix associated with current parse event.
`int` | `getStackDepth()` Get current unmarshalling object stack depth.
`java.lang.Object` | `getStackObject(int depth)` Get object from unmarshalling stack.
`java.lang.Object` | `getStackTop()` Get top object on unmarshalling stack.
`java.lang.String` | `getText()` Get text value for current event.
`IUnmarshaller` | `getUnmarshaller(int index)` Find the unmarshaller for a particular class index in the current context.
`IUnmarshaller` | `getUnmarshaller(java.lang.String ns, java.lang.String name)` Find the unmarshaller for a particular element name (including namespace) in the current context.
`java.lang.Object` | `getUserContext()` Get the user context object.
`boolean` | `hasAnyAttribute(java.lang.String[] nss, java.lang.String[] names)` Check if any of several attributes is present on current start tag.
`boolean` | `hasAttribute(java.lang.String ns, java.lang.String name)` Check if attribute is present on current start tag.
`boolean` | `isAt(java.lang.String ns, java.lang.String name)` Check if next tag is start of element.
`boolean` | `isEnd()` Check if next tag is an end tag.
`boolean` | `isStart()` Check if next tag is a start tag.
`int` | `next()` Advance to next major parse event.
`int` | `nextToken()` Advance to next parse event.
`byte` | `parseContentByte(java.lang.String ns, java.lang.String tag)` Parse past end of element, returning byte value of content.
`char` | `parseContentChar(java.lang.String ns, java.lang.String tag)` Parse past end of element, returning char value of content.
`int` | `parseContentEnumeration(java.lang.String ns, java.lang.String tag, java.lang.String[] enums, int[] vals)` Parse past end of element, returning enumeration value of content.
`int` | `parseContentInt(java.lang.String ns, java.lang.String tag)` Parse past end of element, returning integer value of content.
`short` | `parseContentShort(java.lang.String ns, java.lang.String tag)` Parse past end of element, returning short value of content.
`java.lang.String` | `parseContentText()` Parse required text content.
`java.lang.String` | `parseContentText(java.lang.String ns, java.lang.String tag)` Parse past end of element, returning optional text content.
`boolean` | `parseElementBoolean(java.lang.String ns, java.lang.String tag)` Parse entire element, returning boolean value of content.
`boolean` | `parseElementBoolean(java.lang.String ns, java.lang.String tag, boolean dflt)` Parse entire element, returning boolean value of optional content.
`byte` | `parseElementByte(java.lang.String ns, java.lang.String tag)` Parse entire element, returning byte value of content.
`byte` | `parseElementByte(java.lang.String ns, java.lang.String tag, byte dflt)` Parse entire element, returning byte value of optional content.
`char` | `parseElementChar(java.lang.String ns, java.lang.String tag)` Parse entire element, returning char value of content.
`char` | `parseElementChar(java.lang.String ns, java.lang.String tag, char dflt)` Parse entire element, returning char value of optional content.
`java.util.Date` | `parseElementDate(java.lang.String ns, java.lang.String tag)` Parse past end of element, returning `java.util.Date` value of content.
`java.util.Date` | `parseElementDate(java.lang.String ns, java.lang.String tag, java.util.Date dflt)` Parse entire element, returning `java.util.Date` value of optional content.
`double` | `parseElementDouble(java.lang.String ns, java.lang.String tag)` Parse past end of element, returning double value of content.
`double` | `parseElementDouble(java.lang.String ns, java.lang.String tag, double dflt)` Parse entire element, returning double value of optional content.
`int` | `parseElementEnumeration(java.lang.String ns, java.lang.String tag, java.lang.String[] enums, int[] vals, int dflt)` Parse entire element, returning enumeration value of optional content.
`java.lang.Object` | `parseElementExistingIDREF(java.lang.String ns, java.lang.String tag, int index)` Parse entire element, returning previously defined object corresponding to content interpreted as IDREF.
`float` | `parseElementFloat(java.lang.String ns, java.lang.String tag)` Parse past end of element, returning float value of content.
`float` | `parseElementFloat(java.lang.String ns, java.lang.String tag, float dflt)` Parse entire element, returning float value of optional content.
`java.lang.Object` | `parseElementForwardIDREF(java.lang.String ns, java.lang.String tag, int index)` Parse entire element, returning object (if defined yet) corresponding to content interpreted as IDREF.
`int` | `parseElementInt(java.lang.String ns, java.lang.String tag)` Parse entire element, returning integer value of content.
`int` | `parseElementInt(java.lang.String ns, java.lang.String tag, int dflt)` Parse entire optional element, returning integer value of content.
`long` | `parseElementLong(java.lang.String ns, java.lang.String tag)` Parse past end of element, returning long value of content.
`long` | `parseElementLong(java.lang.String ns, java.lang.String tag, long dflt)` Parse entire element, returning long value of optional content.
`short` | `parseElementShort(java.lang.String ns, java.lang.String tag)` Parse entire element, returning short value of content.
`short` | `parseElementShort(java.lang.String ns, java.lang.String tag, short dflt)` Parse entire element, returning short value of optional content.
`java.lang.String` | `parseElementText(java.lang.String ns, java.lang.String tag)` Parse entire element, returning text content.
`java.lang.String` | `parseElementText(java.lang.String ns, java.lang.String tag, java.lang.String dflt)` Parse entire element, returning optional text content.
`boolean` | `parseIfStartTag(java.lang.String ns, java.lang.String name)` Parse past start of element.
`void` | `parsePastCurrentEndTag(java.lang.String ns, java.lang.String name)` Parse past current end of element.
`void` | `parsePastElement(java.lang.String ns, java.lang.String tag)` Parse past element, ignoring all content.
`void` | `parsePastEndTag(java.lang.String ns, java.lang.String name)` Parse past end of element.
`void` | `parsePastStartTag(java.lang.String ns, java.lang.String name)` Parse past start of element.
`void` | `parseToStartTag(java.lang.String ns, java.lang.String name)` Parse to start of element.
`void` | `popObject()` Pop unmarshalled object from stack.
`void` | `pushObject(java.lang.Object obj)` Push created object to unmarshalling stack.
`void` | `pushTrackedObject(java.lang.Object obj)` Push created object to unmarshalling stack with position tracking.
`void` | `registerBackFill(int index, BackFillReference fill)` Register back fill item for last parsed ID value.
`void` | `registerBackFill(java.lang.String id, int index, BackFillReference fill)` Register back fill item for undefined ID value.
`void` | `removeUnmarshalling(int index)` Undefine unmarshalling for element.
`void` | `reset()` Reset unmarshalling information.
`void` | `setDocument(java.io.InputStream ins, java.lang.String enc)` Set document to be parsed from stream.
`void` | `setDocument(java.io.InputStream ins, java.lang.String name, java.lang.String enc)` Set named document to be parsed from stream.
`void` | `setDocument(java.io.InputStream ins, java.lang.String name, java.lang.String enc, boolean nsa)` Set document to be parsed from stream.
`void` | `setDocument(IXMLReader rdr)` Set input document parse source directly.
`void` | `setDocument(java.io.Reader rdr)` Set document to be parsed from reader.
`void` | `setDocument(java.io.Reader rdr, java.lang.String name)` Set named document to be parsed from reader.
`void` | `setDocument(java.io.Reader rdr, java.lang.String name, boolean nsa)` Set document to be parsed from reader.
`void` | `setFromContext(UnmarshallingContext parent)` Initializes the context to use the same parser and document as another unmarshalling context.
`void` | `setUserContext(java.lang.Object obj)` Set a user context object.
`void` | `skipElement()` Skip past current element.
`void` | `throwEndTagNameError(java.lang.String ns, java.lang.String name)` Throw exception for expected element end tag not found.
`void` | `throwException(java.lang.String msg)` Throw exception with position information.
`void` | `throwException(java.lang.String msg, java.lang.Exception ex)` Throw exception with position information and nested exception.
`void` | `throwNameException(java.lang.String msg, java.lang.String ns, java.lang.String name)` Throw exception including a name and position information.
`void` | `throwStartTagException(java.lang.String msg)` Throw exception with start tag and position information.
`void` | `throwStartTagException(java.lang.String msg, java.lang.Exception ex)` Throw exception with start tag, position information, and nested exception.
`void` | `throwStartTagNameError(java.lang.String ns, java.lang.String name)` Throw exception for expected element start tag not found.
`java.lang.String` | `toEnd()` Parse to end tag.
`java.lang.String` | `toStart()` Parse to start tag.
`int` | `toTag()` Parse to start or end tag.
`java.lang.Object` | `unmarshalDocument(java.io.InputStream ins, java.lang.String enc)` Unmarshal document from stream to object.
`java.lang.Object` | `unmarshalDocument(java.io.InputStream ins, java.lang.String name, java.lang.String enc)` Unmarshal named document from stream to object.
`java.lang.Object` | `unmarshalDocument(java.io.Reader rdr)` Unmarshal document from reader to object.
`java.lang.Object` | `unmarshalDocument(java.io.Reader rdr, java.lang.String name)` Unmarshal named document from reader to object.
`java.lang.Object` | `unmarshalElement()` Unmarshal required element.
`java.lang.Object` | `unmarshalElement(java.lang.Class clas)` Unmarshal required element of specified type.
`java.lang.Object` | `unmarshalOptionalElement()` Unmarshal optional element.

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### UnmarshallingContext

    public UnmarshallingContext(int nmap,
                                java.lang.String[] umcs,
                                java.lang.String[] nss,
                                java.lang.String[] names,
                                java.lang.String[] idcs,
                                IBindingFactory ifact)

  Constructor. Builds the actual parser and initializes internal data structures.

  Parameters:
    `nmap` - number of mapping definitions included
    `umcs` - names of unmarshaller classes for indexes with fixed unmarshallers (as opposed to mapping slots, which may be overridden; reference kept, must be constant)
    `nss` - namespaces for elements of classes with global definitions
    `names` - names for elements of classes with global definitions
    `idcs` - array of class names with IDs (`null` if no IDs or global IDs)
    `ifact` - binding factory creating this unmarshaller

### UnmarshallingContext

    public UnmarshallingContext()

  Default constructor. This can be used for creating a context outside of the generated code for special purposes.

Method Detail

### buildNameString

    public static java.lang.String buildNameString(java.lang.String ns,
                                                   java.lang.String name)

  Build name with optional namespace. Just returns the appropriate name format.

  Parameters:
    `ns` - namespace URI of name
    `name` - local name part of name
  Returns:
    formatted name string

### currentNameString

    public java.lang.String currentNameString()

  Build current element name, with optional namespace.

  Returns:
    formatted name string

### buildPositionString

    public java.lang.String buildPositionString()

  Build current parse input position description.

  Returns:
    text description of current parse position

### throwStartTagNameError

    public void throwStartTagNameError(java.lang.String ns,
                                       java.lang.String name)
                                throws JiBXException

  Throw exception for expected element start tag not found.

  Parameters:
    `ns` - namespace URI of name
    `name` - local name part of name
  Throws:
    `JiBXException` - always thrown

### throwEndTagNameError

    public void throwEndTagNameError(java.lang.String ns,
                                     java.lang.String name)
                              throws JiBXException

  Throw exception for expected element end tag not found.

  Parameters:
    `ns` - namespace URI of name
    `name` - local name part of name
  Throws:
    `JiBXException` - always thrown

### throwNameException

    public void throwNameException(java.lang.String msg,
                                   java.lang.String ns,
                                   java.lang.String name)
                            throws JiBXException

  Throw exception including a name and position information.

  Parameters:
    `msg` - leading message text
    `ns` - namespace URI of name
    `name` - local name part of name
  Throws:
    `JiBXException` - always thrown

### setDocument

    public void setDocument(java.io.InputStream ins,
                            java.lang.String name,
                            java.lang.String enc,
                            boolean nsa)
                     throws JiBXException

  Set document to be parsed from stream. This call is not part of the interface definition, but is supplied to allow direct control of the namespace processing by the compiler. The option of disabling namespaces should be considered experimental and may not be supported in the future.

  Parameters:
    `ins` - stream supplying document data
    `name` - document name (`null` if unknown)
    `enc` - document input encoding, or `null` if to be determined by parser
    `nsa` - enable namespace processing for parser flag
  Throws:
    `JiBXException` - if error creating parser

### setDocument

    public void setDocument(java.io.InputStream ins,
                            java.lang.String enc)
                     throws JiBXException

  Set document to be parsed from stream.

  Specified by:
    `setDocument` in interface `IUnmarshallingContext`
  Parameters:
    `ins` - stream supplying document data
    `enc` - document input encoding, or `null` if to be determined by parser
  Throws:
    `JiBXException` - if error creating parser

### setDocument

    public void setDocument(java.io.Reader rdr,
                            java.lang.String name,
                            boolean nsa)
                     throws JiBXException

  Set document to be parsed from reader. This call is not part of the interface definition, but is supplied to allow direct control of the namespace processing by the compiler. The option of disabling namespaces should be considered experimental and may not be supported in the future.

  Parameters:
    `rdr` - reader supplying document data
    `name` - document name (`null` if unknown)
    `nsa` - enable namespace processing for parser flag
  Throws:
    `JiBXException` - if error creating parser

### setDocument

    public void setDocument(java.io.Reader rdr)
                     throws JiBXException

  Set document to be parsed from reader.

  Specified by:
    `setDocument` in interface `IUnmarshallingContext`
  Parameters:
    `rdr` - reader supplying document data
  Throws:
    `JiBXException` - if error creating parser

### setDocument

    public void setDocument(java.io.InputStream ins,
                            java.lang.String name,
                            java.lang.String enc)
                     throws JiBXException

  Set named document to be parsed from stream.

  Specified by:
    `setDocument` in interface `IUnmarshallingContext`
  Parameters:
    `ins` - stream supplying document data
    `name` - document name
    `enc` - document input encoding, or `null` if to be determined by parser
  Throws:
    `JiBXException` - if error creating parser

### setDocument

    public void setDocument(java.io.Reader rdr,
                            java.lang.String name)
                     throws JiBXException

  Set named document to be parsed from reader.

  Specified by:
    `setDocument` in interface `IUnmarshallingContext`
  Parameters:
    `rdr` - reader supplying document data
    `name` - document name
  Throws:
    `JiBXException` - if error creating parser

### setDocument

    public void setDocument(IXMLReader rdr)

  Set input document parse source directly.

  Parameters:
    `rdr` - document parse event reader

### setFromContext

    public void setFromContext(UnmarshallingContext parent)

  Initializes the context to use the same parser and document as another unmarshalling context. This method is designed for use when an initial context needs to create and invoke a secondary context in the course of an unmarshalling operation.

  Parameters:
    `parent` - context supplying parser and document to be unmarshalled

### reset

    public void reset()

  Reset unmarshalling information. This releases all references to unmarshalled objects and prepares the context for potential reuse. It is automatically called when input is set.

  Specified by:
    `reset` in interface `IUnmarshallingContext`

### toStart

    public java.lang.String toStart()
                             throws JiBXException

  Parse to start tag. Ignores character data seen prior to a start tag, but throws exception if an end tag or the end of the document is seen before a start tag. Leaves the parser positioned at the start tag.

  Returns:
    element name of start tag found
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### toEnd

    public java.lang.String toEnd()
                           throws JiBXException

  Parse to end tag. Ignores character data seen prior to an end tag, but throws exception if a start tag or the end of the document is seen before an end tag. Leaves the parser positioned at the end tag.

  Returns:
    element name of end tag found
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### toTag

    public int toTag()
              throws JiBXException

  Parse to start or end tag. If not currently positioned at a start or end tag this first advances the parse to the next start or end tag.

  Returns:
    parser event type for start tag or end tag
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### isAt

    public boolean isAt(java.lang.String ns,
                        java.lang.String name)
                 throws JiBXException

  Check if next tag is start of element. If not currently positioned at a start or end tag this first advances the parse to the next start or end tag.

  Specified by:
    `isAt` in interface `IUnmarshallingContext`
  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `name` - element name expected
  Returns:
    `true` if at start of element with supplied name, `false` if not
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### hasAttribute

    public boolean hasAttribute(java.lang.String ns,
                                java.lang.String name)
                         throws JiBXException

  Check if attribute is present on current start tag. Throws an exception if not currently positioned on a start tag.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
  Returns:
    `true` if named attribute is present, `false` if not
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### hasAnyAttribute

    public boolean hasAnyAttribute(java.lang.String[] nss,
                                   java.lang.String[] names)
                            throws JiBXException

  Check if any of several attributes is present on current start tag. Throws an exception if not currently positioned on a start tag.

  Parameters:
    `nss` - namespace URIs for expected attributes (each may be `null` or the empty string for the empty namespace)
    `names` - attribute names expected
  Returns:
    `true` if at least one of the named attributes is present, `false` if not
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### checkAllowedAttributes

    public void checkAllowedAttributes(java.lang.String[] nss,
                                       java.lang.String[] names)
                                throws JiBXException

  Check that only allowed attributes are present on current start tag. Throws an exception if not currently positioned on a start tag, or if an attribute is present which is not in the list.

  Parameters:
    `nss` - namespace URIs for allowed attributes (each may be `null` or the empty string for the empty namespace)
    `names` - alphabetical list of attribute names expected (duplicates names are ordered by namespace URI)
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### parseToStartTag

    public void parseToStartTag(java.lang.String ns,
                                java.lang.String name)
                         throws JiBXException

  Parse to start of element. Ignores character data to next start or end tag, but throws exception if an end tag is seen before a start tag, or if the start tag seen does not match the expected name. Leaves the parse positioned at the start tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `name` - element name expected
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### parsePastStartTag

    public void parsePastStartTag(java.lang.String ns,
                                  java.lang.String name)
                           throws JiBXException

  Parse past start of element. Ignores character data to next start or end tag, but throws exception if an end tag is seen before a start tag, or if the start tag seen does not match the expected name. Leaves the parse positioned following the start tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `name` - element name expected
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### parseIfStartTag

    public boolean parseIfStartTag(java.lang.String ns,
                                   java.lang.String name)
                            throws JiBXException

  Parse past start of element. Ignores character data to next start or end tag, but throws exception if an end tag is seen before a start tag, or if the start tag seen does not match the expected name. Leaves the parse positioned following the start tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `name` - element name expected
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### parsePastCurrentEndTag

    public void parsePastCurrentEndTag(java.lang.String ns,
                                       java.lang.String name)
                                throws JiBXException

  Parse past current end of element. Ignores character data to next start or end tag, but throws exception if a start tag is seen before a end tag, or if the end tag seen does not match the expected name. Leaves the parse positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `name` - element name expected
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### parsePastEndTag

    public void parsePastEndTag(java.lang.String ns,
                                java.lang.String name)
                         throws JiBXException

  Parse past end of element. If currently at a start tag parses past that start tag, then ignores character data to next start or end tag, and throws exception if a start tag is seen before a end tag, or if the end tag seen does not match the expected name. Leaves the parse positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `name` - element name expected
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### isStart

    public boolean isStart()
                    throws JiBXException

  Check if next tag is a start tag. If not currently positioned at a start or end tag this first advances the parse to the next start or end tag.

  Specified by:
    `isStart` in interface `IUnmarshallingContext`
  Returns:
    `true` if at start of element, `false` if at end
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### isEnd

    public boolean isEnd()
                  throws JiBXException

  Check if next tag is an end tag. If not currently positioned at a start or end tag this first advances the parse to the next start or end tag.

  Specified by:
    `isEnd` in interface `IUnmarshallingContext`
  Returns:
    `true` if at end of element, `false` if at start
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### accumulateText

    public java.lang.String accumulateText()
                                    throws JiBXException

  Accumulate text content. This skips past comments and processing instructions, and consolidates text and entities to a single string. Any unexpanded entity references found are treated as errors.

  Returns:
    consolidated text string (empty string if no text components)
  Throws:
    `JiBXException` - on error in unmarshalling

### parseContentText

    public java.lang.String parseContentText()
                                      throws JiBXException

  Parse required text content. Assumes the parse is already positioned at the text content, so just returns the text.

  Returns:
    content text found
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseContentText

    public java.lang.String parseContentText(java.lang.String ns,
                                             java.lang.String tag)
                                      throws JiBXException

  Parse past end of element, returning optional text content. Assumes you've already parsed past the start tag of the element, so it just looks for text content followed by the end tag, and returns with the parser positioned after the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseContentInt

    public int parseContentInt(java.lang.String ns,
                               java.lang.String tag)
                        throws JiBXException

  Parse past end of element, returning integer value of content. Assumes you've already parsed past the start tag of the element, so it just looks for text content followed by the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    converted value from element text
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseElementText

    public java.lang.String parseElementText(java.lang.String ns,
                                             java.lang.String tag)
                                      throws JiBXException

  Parse entire element, returning text content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseElementText

    public java.lang.String parseElementText(java.lang.String ns,
                                             java.lang.String tag,
                                             java.lang.String dflt)
                                      throws JiBXException

  Parse entire element, returning optional text content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag. Returns the default text if the element is not found.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
    `dflt` - default text value
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### attributeText

    public java.lang.String attributeText(java.lang.String ns,
                                          java.lang.String name)
                                   throws JiBXException

  Get text value of attribute from current start tag. Throws an exception if the attribute value is not found in the start tag.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
  Returns:
    attribute value text
  Throws:
    `JiBXException` - if attribute not present

### attributeText

    public java.lang.String attributeText(java.lang.String ns,
                                          java.lang.String name,
                                          java.lang.String dflt)

  Get text value of optional attribute from current start tag. If the attribute is not present the supplied default value is returned instead.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `dflt` - value to be returned if attribute is not present
  Returns:
    attribute value text

### findID

    public java.lang.Object findID(java.lang.String id,
                                   int index)
                            throws JiBXException

  Find the object corresponding to an ID. This method just handles the lookup and checks the object type.

  Parameters:
    `id` - ID text
    `index` - expected reference type index
  Returns:
    object corresponding to IDREF, or `null` if not yet defined
  Throws:
    `JiBXException` - on any error

### findDefinedID

    public java.lang.Object findDefinedID(java.lang.String id,
                                          int index)
                                   throws JiBXException

  Find previously defined object corresponding to an ID. This does the lookup and checks that the referenced object has been defined.

  Parameters:
    `id` - ID text
    `index` - expected reference type index
  Returns:
    object corresponding to IDREF
  Throws:
    `JiBXException` - on any error

### parseElementForwardIDREF

    public java.lang.Object parseElementForwardIDREF(java.lang.String ns,
                                                     java.lang.String tag,
                                                     int index)
                                              throws JiBXException

  Parse entire element, returning object (if defined yet) corresponding to content interpreted as IDREF. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - attribute name expected
    `index` - expected reference type index
  Returns:
    object corresponding to IDREF, or `null` if not yet defined
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### attributeForwardIDREF

    public java.lang.Object attributeForwardIDREF(java.lang.String ns,
                                                  java.lang.String name,
                                                  int index)
                                           throws JiBXException

  Get object (if defined yet) corresponding to IDREF attribute from current start tag.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `index` - expected reference type index
  Returns:
    object corresponding to IDREF, or `null` if not yet defined
  Throws:
    `JiBXException` - if attribute not present, or ID mapped to a different type of object than expected

### parseElementExistingIDREF

    public java.lang.Object parseElementExistingIDREF(java.lang.String ns,
                                                      java.lang.String tag,
                                                      int index)
                                               throws JiBXException

  Parse entire element, returning previously defined object corresponding to content interpreted as IDREF. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - attribute name expected
    `index` - expected reference type index
  Returns:
    object corresponding to IDREF
  Throws:
    `JiBXException` - if attribute not present, ID not defined, or mapped to a different type of object than expected

### attributeExistingIDREF

    public java.lang.Object attributeExistingIDREF(java.lang.String ns,
                                                   java.lang.String name,
                                                   int index)
                                            throws JiBXException

  Get previously defined object corresponding to IDREF attribute from current start tag.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `index` - expected reference type index
  Returns:
    object corresponding to IDREF
  Throws:
    `JiBXException` - if attribute not present, ID not defined, or mapped to a different type of object than expected

### attributeInt

    public int attributeInt(java.lang.String ns,
                            java.lang.String name)
                     throws JiBXException

  Get integer value of attribute from current start tag. Throws an exception if the attribute is not found in the start tag, or if it is not a valid integer value.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
  Returns:
    attribute integer value
  Throws:
    `JiBXException` - if attribute not present or not a valid integer value

### attributeInt

    public int attributeInt(java.lang.String ns,
                            java.lang.String name,
                            int dflt)
                     throws JiBXException

  Get integer value of optional attribute from current start tag. If the attribute is not present the supplied default value is returned instead.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `dflt` - value to be returned if attribute is not present
  Returns:
    attribute integer value
  Throws:
    `JiBXException` - if attribute value is not a valid integer

### parseElementInt

    public int parseElementInt(java.lang.String ns,
                               java.lang.String tag)
                        throws JiBXException

  Parse entire element, returning integer value of content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### parseElementInt

    public int parseElementInt(java.lang.String ns,
                               java.lang.String tag,
                               int dflt)
                        throws JiBXException

  Parse entire optional element, returning integer value of content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag. Returns the default value if the element is missing or has no content.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
    `dflt` - default value
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### convertEnum

    public int convertEnum(java.lang.String target,
                           java.lang.String[] enums,
                           int[] vals)
                    throws JiBXException

  Find required text value in enumeration. Looks up and returns the enumeration value corresponding to the target text.

  Parameters:
    `target` - text to be found in enumeration
    `enums` - ordered array of texts included in enumeration
    `vals` - array of values to be returned for corresponding text match positions (position returned directly if this is `null`)
  Returns:
    enumeration value for target text
  Throws:
    `JiBXException` - if target text not found in enumeration

### convertEnum

    public int convertEnum(java.lang.String target,
                           java.lang.String[] enums,
                           int[] vals,
                           int dflt)
                    throws JiBXException

  Find optional text value in enumeration. Looks up and returns the enumeration value corresponding to the target text, or the default value if the text is `null`.

  Parameters:
    `target` - text to be found in enumeration (may be `null`)
    `enums` - ordered array of texts included in enumeration
    `vals` - array of values to be returned for corresponding text match positions (position returned directly if this is `null`)
    `dflt` - default value returned if target text is `null`
  Returns:
    enumeration value for target text
  Throws:
    `JiBXException` - if target text not found in enumeration

### attributeEnumeration

    public int attributeEnumeration(java.lang.String ns,
                                    java.lang.String name,
                                    java.lang.String[] enums,
                                    int[] vals)
                             throws JiBXException

  Get enumeration attribute value from current start tag. Throws an exception if the attribute value is not found in the start tag or the text does not match a value defined in the enumeration table.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `enums` - ordered array of texts included in enumeration
    `vals` - array of values to be returned for corresponding text match positions (position returned directly if this is `null`)
  Returns:
    enumeration value for target text
  Throws:
    `JiBXException` - if attribute not present or value not found in enumeration list

### attributeEnumeration

    public int attributeEnumeration(java.lang.String ns,
                                    java.lang.String name,
                                    java.lang.String[] enums,
                                    int[] vals,
                                    int dflt)
                             throws JiBXException

  Get optional enumeration attribute value from current start tag. Throws an exception if the attribute value is present but does not match a value defined in the enumeration table.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `enums` - ordered array of texts included in enumeration
    `vals` - array of values to be returned for corresponding text match positions (position returned directly if this is `null`)
    `dflt` - default value returned if attribute is not present
  Returns:
    enumeration value for target text
  Throws:
    `JiBXException` - if attribute not present or value not found in enumeration list

### parseContentEnumeration

    public int parseContentEnumeration(java.lang.String ns,
                                       java.lang.String tag,
                                       java.lang.String[] enums,
                                       int[] vals)
                                throws JiBXException

  Parse past end of element, returning enumeration value of content. Assumes you've already parsed past the start tag of the element, so it just looks for text content followed by the end tag, and returns with the parser positioned after the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
    `enums` - ordered array of texts included in enumeration
    `vals` - array of values to be returned for corresponding text match positions (position returned directly if this is `null`)
  Returns:
    enumeration value for element text
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseElementEnumeration

    public int parseElementEnumeration(java.lang.String ns,
                                       java.lang.String tag,
                                       java.lang.String[] enums,
                                       int[] vals,
                                       int dflt)
                                throws JiBXException

  Parse entire element, returning enumeration value of optional content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag. Returns the default value if no content is present.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
    `enums` - ordered array of texts included in enumeration
    `vals` - array of values to be returned for corresponding text match positions (position returned directly if this is `null`)
    `dflt` - default value
  Returns:
    enumeration value for element text
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### convertByte

    public byte convertByte(java.lang.String text)
                     throws JiBXException

  Convert byte value with exception wrapper. This internal method is used by all the byte unmarshalling calls. It adds position information to any exceptions that occur.

  Parameters:
    `text` - text for value to be converted
  Returns:
    converted byte value
  Throws:
    `JiBXException` - if not a valid byte value

### attributeByte

    public byte attributeByte(java.lang.String ns,
                              java.lang.String name)
                       throws JiBXException

  Get byte value of attribute from current start tag. Throws an exception if the attribute is not found in the start tag, or if it is not a valid integer value.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
  Returns:
    attribute byte value
  Throws:
    `JiBXException` - if attribute not present or not a valid byte value

### attributeByte

    public byte attributeByte(java.lang.String ns,
                              java.lang.String name,
                              byte dflt)
                       throws JiBXException

  Get byte value of optional attribute from current start tag. If the attribute is not present the supplied default value is returned instead.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `dflt` - value to be returned if attribute is not present
  Returns:
    attribute byte value
  Throws:
    `JiBXException` - if attribute value is not a valid byte

### parseContentByte

    public byte parseContentByte(java.lang.String ns,
                                 java.lang.String tag)
                          throws JiBXException

  Parse past end of element, returning byte value of content. Assumes you've already parsed past the start tag of the element, so it just looks for text content followed by the end tag, and returns with the parser positioned after the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    converted value from element text
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseElementByte

    public byte parseElementByte(java.lang.String ns,
                                 java.lang.String tag)
                          throws JiBXException

  Parse entire element, returning byte value of content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### parseElementByte

    public byte parseElementByte(java.lang.String ns,
                                 java.lang.String tag,
                                 byte dflt)
                          throws JiBXException

  Parse entire element, returning byte value of optional content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag. Returns the default value if no content is present.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
    `dflt` - default value
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### convertShort

    public short convertShort(java.lang.String text)
                       throws JiBXException

  Convert short value with exception wrapper. This internal method is used by all the short unmarshalling calls. It adds position information to any exceptions that occur.

  Parameters:
    `text` - text for value to be converted
  Returns:
    converted short value
  Throws:
    `JiBXException` - if not a valid short value

### attributeShort

    public short attributeShort(java.lang.String ns,
                                java.lang.String name)
                         throws JiBXException

  Get short value of attribute from current start tag. Throws an exception if the attribute is not found in the start tag, or if it is not a valid integer value.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
  Returns:
    attribute short value
  Throws:
    `JiBXException` - if attribute not present or not a valid short value

### attributeShort

    public short attributeShort(java.lang.String ns,
                                java.lang.String name,
                                short dflt)
                         throws JiBXException

  Get short value of optional attribute from current start tag. If the attribute is not present the supplied default value is returned instead.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `dflt` - value to be returned if attribute is not present
  Returns:
    attribute short value
  Throws:
    `JiBXException` - if attribute value is not a valid short

### parseContentShort

    public short parseContentShort(java.lang.String ns,
                                   java.lang.String tag)
                            throws JiBXException

  Parse past end of element, returning short value of content. Assumes you've already parsed past the start tag of the element, so it just looks for text content followed by the end tag, and returns with the parser positioned after the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    converted value from element text
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseElementShort

    public short parseElementShort(java.lang.String ns,
                                   java.lang.String tag)
                            throws JiBXException

  Parse entire element, returning short value of content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### parseElementShort

    public short parseElementShort(java.lang.String ns,
                                   java.lang.String tag,
                                   short dflt)
                            throws JiBXException

  Parse entire element, returning short value of optional content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag. Returns the default value if no content is present.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
    `dflt` - default value
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### convertChar

    public char convertChar(java.lang.String text)
                     throws JiBXException

  Convert char value with exception wrapper. This internal method is used by all the char unmarshalling calls. It adds position information to any exceptions that occur.

  Parameters:
    `text` - text for value to be converted
  Returns:
    converted char value
  Throws:
    `JiBXException` - if not a valid char value

### attributeChar

    public char attributeChar(java.lang.String ns,
                              java.lang.String name)
                       throws JiBXException

  Get char value of attribute from current start tag. Throws an exception if the attribute is not found in the start tag, or if it is not a valid integer value.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
  Returns:
    attribute char value
  Throws:
    `JiBXException` - if attribute not present or not a valid char value

### attributeChar

    public char attributeChar(java.lang.String ns,
                              java.lang.String name,
                              char dflt)
                       throws JiBXException

  Get char value of optional attribute from current start tag. If the attribute is not present the supplied default value is returned instead.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `dflt` - value to be returned if attribute is not present
  Returns:
    attribute char value
  Throws:
    `JiBXException` - if attribute value is not a valid char

### parseContentChar

    public char parseContentChar(java.lang.String ns,
                                 java.lang.String tag)
                          throws JiBXException

  Parse past end of element, returning char value of content. Assumes you've already parsed past the start tag of the element, so it just looks for text content followed by the end tag, and returns with the parser positioned after the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    converted value from element text
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseElementChar

    public char parseElementChar(java.lang.String ns,
                                 java.lang.String tag)
                          throws JiBXException

  Parse entire element, returning char value of content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### parseElementChar

    public char parseElementChar(java.lang.String ns,
                                 java.lang.String tag,
                                 char dflt)
                          throws JiBXException

  Parse entire element, returning char value of optional content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag. Returns the default value if the element is not present.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
    `dflt` - default value
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### convertLong

    public long convertLong(java.lang.String text)
                     throws JiBXException

  Convert long value with exception wrapper. This internal method is used by all the long unmarshalling calls. It adds position information to any exceptions that occur.

  Parameters:
    `text` - text for value to be converted
  Returns:
    converted long value
  Throws:
    `JiBXException` - if not a valid long value

### attributeLong

    public long attributeLong(java.lang.String ns,
                              java.lang.String name)
                       throws JiBXException

  Get long value of attribute from current start tag. Throws an exception if the attribute is not found in the start tag, or if it is not a valid integer value.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
  Returns:
    attribute long value
  Throws:
    `JiBXException` - if attribute not present or not a valid long value

### attributeLong

    public long attributeLong(java.lang.String ns,
                              java.lang.String name,
                              long dflt)
                       throws JiBXException

  Get long value of optional attribute from current start tag. If the attribute is not present the supplied default value is returned instead.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `dflt` - value to be returned if attribute is not present
  Returns:
    attribute long value
  Throws:
    `JiBXException` - if attribute value is not a valid long

### parseElementLong

    public long parseElementLong(java.lang.String ns,
                                 java.lang.String tag)
                          throws JiBXException

  Parse past end of element, returning long value of content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    converted value from element text
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseElementLong

    public long parseElementLong(java.lang.String ns,
                                 java.lang.String tag,
                                 long dflt)
                          throws JiBXException

  Parse entire element, returning long value of optional content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag. Returns the default value if the element is not present.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
    `dflt` - default value
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### convertBoolean

    public boolean convertBoolean(java.lang.String text)
                           throws JiBXException

  Convert boolean value. This internal method is used by all the boolean unmarshalling calls. It accepts "true" or "1" as equivalent, and "false" or "0" as equivalent, and throws exceptions for anything else.

  Parameters:
    `text` - text for value to be converted
  Returns:
    converted boolean value
  Throws:
    `JiBXException` - if not a valid boolean value

### attributeBoolean

    public boolean attributeBoolean(java.lang.String ns,
                                    java.lang.String name)
                             throws JiBXException

  Get boolean value of attribute from current start tag. Throws an exception if the attribute is not found in the start tag, or if it is not a valid integer value.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
  Returns:
    attribute boolean value
  Throws:
    `JiBXException` - if attribute not present or not a valid boolean value

### attributeBoolean

    public boolean attributeBoolean(java.lang.String ns,
                                    java.lang.String name,
                                    boolean dflt)
                             throws JiBXException

  Get boolean value of optional attribute from current start tag. If the attribute is not present the supplied default value is returned instead.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `dflt` - value to be returned if attribute is not present
  Returns:
    attribute boolean value
  Throws:
    `JiBXException` - if attribute value is not a valid boolean

### parseElementBoolean

    public boolean parseElementBoolean(java.lang.String ns,
                                       java.lang.String tag)
                                throws JiBXException

  Parse entire element, returning boolean value of content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    converted value from element text
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseElementBoolean

    public boolean parseElementBoolean(java.lang.String ns,
                                       java.lang.String tag,
                                       boolean dflt)
                                throws JiBXException

  Parse entire element, returning boolean value of optional content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag. Returns the default value if the element is not present.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
    `dflt` - default value
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### convertFloat

    public float convertFloat(java.lang.String text)
                       throws JiBXException

  Convert float value with exception wrapper. This internal method is used by all the float unmarshalling calls. It adds position information to any exceptions that occur.

  Parameters:
    `text` - text for value to be converted
  Returns:
    converted float value
  Throws:
    `JiBXException` - if not a valid float value

### attributeFloat

    public float attributeFloat(java.lang.String ns,
                                java.lang.String name)
                         throws JiBXException

  Get float value of attribute from current start tag. Throws an exception if the attribute is not found in the start tag, or if it is not a valid integer value.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
  Returns:
    attribute float value
  Throws:
    `JiBXException` - if attribute not present or not a valid float value

### attributeFloat

    public float attributeFloat(java.lang.String ns,
                                java.lang.String name,
                                float dflt)
                         throws JiBXException

  Get float value of optional attribute from current start tag. If the attribute is not present the supplied default value is returned instead.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `dflt` - value to be returned if attribute is not present
  Returns:
    attribute float value
  Throws:
    `JiBXException` - if attribute value is not a valid float

### parseElementFloat

    public float parseElementFloat(java.lang.String ns,
                                   java.lang.String tag)
                            throws JiBXException

  Parse past end of element, returning float value of content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    converted value from element text
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseElementFloat

    public float parseElementFloat(java.lang.String ns,
                                   java.lang.String tag,
                                   float dflt)
                            throws JiBXException

  Parse entire element, returning float value of optional content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag. Returns the default value if the element is not present.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
    `dflt` - default value
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### convertDouble

    public double convertDouble(java.lang.String text)
                         throws JiBXException

  Convert double value with exception wrapper. This internal method is used by all the double unmarshalling calls. It adds position information to any exceptions that occur.

  Parameters:
    `text` - text for value to be converted
  Returns:
    converted double value
  Throws:
    `JiBXException` - if not a valid double value

### attributeDouble

    public double attributeDouble(java.lang.String ns,
                                  java.lang.String name)
                           throws JiBXException

  Get double value of attribute from current start tag. Throws an exception if the attribute is not found in the start tag, or if it is not a valid integer value.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
  Returns:
    attribute double value
  Throws:
    `JiBXException` - if attribute not present or not a valid double value

### attributeDouble

    public double attributeDouble(java.lang.String ns,
                                  java.lang.String name,
                                  double dflt)
                           throws JiBXException

  Get double value of optional attribute from current start tag. If the attribute is not present the supplied default value is returned instead.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `dflt` - value to be returned if attribute is not present
  Returns:
    attribute double value
  Throws:
    `JiBXException` - if attribute value is not a valid double

### parseElementDouble

    public double parseElementDouble(java.lang.String ns,
                                     java.lang.String tag)
                              throws JiBXException

  Parse past end of element, returning double value of content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    converted value from element text
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseElementDouble

    public double parseElementDouble(java.lang.String ns,
                                     java.lang.String tag,
                                     double dflt)
                              throws JiBXException

  Parse entire element, returning double value of optional content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag. Returns the default value if the element is not present.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
    `dflt` - default value
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### convertDate

    public java.util.Date convertDate(java.lang.String text)
                               throws JiBXException

  Convert `java.util.Date` value with exception wrapper. This internal method is used by all the Date unmarshalling calls. It adds position information to any exceptions that occur.

  Parameters:
    `text` - text for value to be converted
  Returns:
    converted Date value
  Throws:
    `JiBXException` - if not a valid Date value

### attributeDate

    public java.util.Date attributeDate(java.lang.String ns,
                                        java.lang.String name)
                                 throws JiBXException

  Get `java.util.Date` value of attribute from current start tag. Throws an exception if the attribute is not found in the start tag, or if it is not a valid integer value.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
  Returns:
    attribute Date value
  Throws:
    `JiBXException` - if attribute not present or not a valid Date value

### attributeDate

    public java.util.Date attributeDate(java.lang.String ns,
                                        java.lang.String name,
                                        java.util.Date dflt)
                                 throws JiBXException

  Get `java.util.Date` value of optional attribute from current start tag. If the attribute is not present the supplied default value is returned instead.

  Parameters:
    `ns` - namespace URI for expected attribute (may be `null` or the empty string for the empty namespace)
    `name` - attribute name expected
    `dflt` - value to be returned if attribute is not present
  Returns:
    attribute Date value
  Throws:
    `JiBXException` - if attribute value is not a valid Date

### parseElementDate

    public java.util.Date parseElementDate(java.lang.String ns,
                                           java.lang.String tag)
                                    throws JiBXException

  Parse past end of element, returning `java.util.Date` value of content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Returns:
    converted value from element text
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### parseElementDate

    public java.util.Date parseElementDate(java.lang.String ns,
                                           java.lang.String tag,
                                           java.util.Date dflt)
                                    throws JiBXException

  Parse entire element, returning `java.util.Date` value of optional content. Expects to find the element start tag, text content, and end tag, in that order, and returns with the parser positioned following the end tag. Returns the default value if the element is not present.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
    `dflt` - default value
  Returns:
    content text from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### registerBackFill

    public void registerBackFill(java.lang.String id,
                                 int index,
                                 BackFillReference fill)
                          throws JiBXException

  Register back fill item for undefined ID value. This adds a holder to the mapping table if not already present, then adds the back fill item to the holder.

  Parameters:
    `id` - target undefined ID value
    `index` - target reference type index
    `fill` - back fill item
  Throws:
    `JiBXException` - if attribute not present, or ID already defined

### registerBackFill

    public void registerBackFill(int index,
                                 BackFillReference fill)
                          throws JiBXException

  Register back fill item for last parsed ID value. This adds a holder to the mapping table if not already present, then adds the back fill item to the holder. This form of call always applies to the last IDREF value parsed (from either an element or an attribute).

  Parameters:
    `index` - target reference type index
    `fill` - back fill item
  Throws:
    `JiBXException` - if attribute not present, or ID already defined

### defineID

    public void defineID(java.lang.String id,
                         int index,
                         java.lang.Object obj)
                  throws JiBXException

  Define object for ID. Adds the owning object to a map with the ID value as key. Throws an exception if the object class does not match that expected from forward references, or if another object has previously been registered with the same ID.

  Parameters:
    `id` - text ID value
    `index` - ID class index number
    `obj` - object corresponding to element
  Throws:
    `JiBXException` - if duplicate ID or wrong class

### addUnmarshalling

    public void addUnmarshalling(int index,
                                 java.lang.String ns,
                                 java.lang.String name,
                                 java.lang.String cname)

  Define unmarshalling for element. Enables the unmarshalling definition linking an element name (including namespace) with a handler. The unmarshalling definitions use fixed indexes for each class, allowing direct lookup of the unmarshaller when multiple versions are defined.

  Parameters:
    `index` - class index for unmarshalling definition
    `ns` - namespace for element (may be `null` or the empty string for the empty namespace)
    `name` - name for element
    `cname` - name of class created by unmarshaller

### removeUnmarshalling

    public void removeUnmarshalling(int index)

  Undefine unmarshalling for element. Disables the unmarshalling definition for a particular class index.

  Parameters:
    `index` - class index for unmarshalling definition

### getUnmarshaller

    public IUnmarshaller getUnmarshaller(int index)
                                  throws JiBXException

  Find the unmarshaller for a particular class index in the current context.

  Specified by:
    `getUnmarshaller` in interface `IUnmarshallingContext`
  Parameters:
    `index` - class index for unmarshalling definition
  Returns:
    unmarshalling handler for class
  Throws:
    `JiBXException` - if unable to create unmarshaller

### getUnmarshaller

    public IUnmarshaller getUnmarshaller(java.lang.String ns,
                                         java.lang.String name)
                                  throws JiBXException

  Find the unmarshaller for a particular element name (including namespace) in the current context.

  Parameters:
    `ns` - namespace for element (may be `null` or the empty string for the empty namespace)
    `name` - name for element
  Returns:
    unmarshalling handler for element, or `null` if none found
  Throws:
    `JiBXException` - if unable to create unmarshaller

### unmarshalOptionalElement

    public java.lang.Object unmarshalOptionalElement()
                                              throws JiBXException

  Unmarshal optional element. If not currently positioned at a start or end tag this first advances the parse to the next start or end tag.

  Returns:
    unmarshalled object from element, or `null` if end tag rather than start tag seen
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### unmarshalElement

    public java.lang.Object unmarshalElement(java.lang.Class clas)
                                      throws JiBXException

  Unmarshal required element of specified type. If not currently positioned at a start or end tag this first advances the parse to the next start or end tag. The returned object will always be assignable to the specified type.

  Parameters:
    `clas` - expected class of unmarshalled object
  Returns:
    unmarshalled object from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### unmarshalElement

    public java.lang.Object unmarshalElement()
                                      throws JiBXException

  Unmarshal required element. If not currently positioned at a start or end tag this first advances the parse to the next start or end tag.

  Specified by:
    `unmarshalElement` in interface `IUnmarshallingContext`
  Returns:
    unmarshalled object from element
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### parsePastElement

    public void parsePastElement(java.lang.String ns,
                                 java.lang.String tag)
                          throws JiBXException

  Parse past element, ignoring all content. This may be used while positioned either before or on the element start tag. It checks if currently positioned at the element start tag, and if so advances to the next parse event. Then looks for the next end tag, ignoring character data and skipping child elements. Leaves the parse positioned following the end tag.

  Parameters:
    `ns` - namespace URI for expected element (may be `null` or the empty string for the empty namespace)
    `tag` - element name expected
  Throws:
    `JiBXException` - on any error (possible wrapping other exception)

### getElementName

    public java.lang.String getElementName()
                                    throws JiBXException

  Returns current element name.

  Returns:
    local name part of name, or `null` if not at a start or end tag
  Throws:
    `JiBXException` - if error from parser

### getElementNamespace

    public java.lang.String getElementNamespace()
                                         throws JiBXException

  Returns current element namespace URI.

  Returns:
    namespace URI of name, or `null` if not at a start or end tag
  Throws:
    `JiBXException` - if error from parser

### throwStartTagException

    public void throwStartTagException(java.lang.String msg)
                                throws JiBXException

  Throw exception with start tag and position information.

  Parameters:
    `msg` - exception message text
  Throws:
    `JiBXException` - always thrown

### throwStartTagException

    public void throwStartTagException(java.lang.String msg,
                                       java.lang.Exception ex)
                                throws JiBXException

  Throw exception with start tag, position information, and nested exception.

  Parameters:
    `msg` - exception message text
    `ex` - nested exception
  Throws:
    `JiBXException` - always thrown

### throwException

    public void throwException(java.lang.String msg)
                        throws JiBXException

  Throw exception with position information.

  Parameters:
    `msg` - exception message text
  Throws:
    `JiBXException` - always thrown

### throwException

    public void throwException(java.lang.String msg,
                               java.lang.Exception ex)
                        throws JiBXException

  Throw exception with position information and nested exception.

  Parameters:
    `msg` - exception message text
    `ex` - nested exception
  Throws:
    `JiBXException` - always thrown

### unmarshalDocument

    public java.lang.Object unmarshalDocument(java.io.InputStream ins,
                                              java.lang.String enc)
                                       throws JiBXException

  Unmarshal document from stream to object. The effect of this is the same as if `setDocument(java.io.InputStream, java.lang.String, java.lang.String, boolean)` were called, followed by `unmarshalElement(java.lang.Class)`

  Specified by:
    `unmarshalDocument` in interface `IUnmarshallingContext`
  Parameters:
    `ins` - stream supplying document data
    `enc` - document input encoding, or `null` if to be determined by parser
  Returns:
    unmarshalled object
  Throws:
    `JiBXException` - if error creating parser

### unmarshalDocument

    public java.lang.Object unmarshalDocument(java.io.Reader rdr)
                                       throws JiBXException

  Unmarshal document from reader to object. The effect of this is the same as if `setDocument(java.io.InputStream, java.lang.String, java.lang.String, boolean)` were called, followed by `unmarshalElement(java.lang.Class)`

  Specified by:
    `unmarshalDocument` in interface `IUnmarshallingContext`
  Parameters:
    `rdr` - reader supplying document data
  Returns:
    unmarshalled object
  Throws:
    `JiBXException` - if error creating parser

### unmarshalDocument

    public java.lang.Object unmarshalDocument(java.io.InputStream ins,
                                              java.lang.String name,
                                              java.lang.String enc)
                                       throws JiBXException

  Unmarshal named document from stream to object. The effect of this is the same as if `setDocument(java.io.InputStream, java.lang.String, java.lang.String, boolean)` were called, followed by `unmarshalElement(java.lang.Class)`

  Specified by:
    `unmarshalDocument` in interface `IUnmarshallingContext`
  Parameters:
    `ins` - stream supplying document data
    `name` - document name
    `enc` - document input encoding, or `null` if to be determined by parser
  Returns:
    unmarshalled object
  Throws:
    `JiBXException` - if error creating parser

### unmarshalDocument

    public java.lang.Object unmarshalDocument(java.io.Reader rdr,
                                              java.lang.String name)
                                       throws JiBXException

  Unmarshal named document from reader to object. The effect of this is the same as if `setDocument(java.io.InputStream, java.lang.String, java.lang.String, boolean)` were called, followed by `unmarshalElement(java.lang.Class)`

  Specified by:
    `unmarshalDocument` in interface `IUnmarshallingContext`
  Parameters:
    `rdr` - reader supplying document data
    `name` - document name
  Returns:
    unmarshalled object
  Throws:
    `JiBXException` - if error creating parser

### getFactory

    public IBindingFactory getFactory()

  Return the binding factory used to create this unmarshaller.

  Returns:
    binding factory

### getDocumentName

    public java.lang.String getDocumentName()

  Return the supplied document name.

  Specified by:
    `getDocumentName` in interface `IUnmarshallingContext`
  Returns:
    supplied document name (`null` if none)

### getInputEncoding

    public java.lang.String getInputEncoding()

  Return the input encoding, if known. This is only valid after parsing of a document has been started.

  Returns:
    input encoding (`null` if unknown)

### setUserContext

    public void setUserContext(java.lang.Object obj)

  Set a user context object. This context object is not used directly by JiBX, but can be accessed by all types of user extension methods. The context object is automatically cleared by the `reset()` method, so to make use of this you need to first call the appropriate version of the `setDocument()` method, then this method, and finally the `unmarshalElement(java.lang.Class)` method.

  Specified by:
    `setUserContext` in interface `IUnmarshallingContext`
  Parameters:
    `obj` - user context object, or `null` if clearing existing context object
  See Also:
    `getUserContext()`

### getUserContext

    public java.lang.Object getUserContext()

  Get the user context object.

  Specified by:
    `getUserContext` in interface `IUnmarshallingContext`
  Returns:
    user context object, or `null` if no context object set
  See Also:
    `setUserContext(Object)`

### pushObject

    public void pushObject(java.lang.Object obj)

  Push created object to unmarshalling stack. This must be called before beginning the unmarshalling of the object. It is only called for objects with structure, not for those converted directly to and from text.

  Specified by:
    `pushObject` in interface `IUnmarshallingContext`
  Parameters:
    `obj` - object being unmarshalled

### pushTrackedObject

    public void pushTrackedObject(java.lang.Object obj)

  Push created object to unmarshalling stack with position tracking. If the object supports setting source location information, the location is also set by this method.

  Parameters:
    `obj` - object being unmarshalled

### popObject

    public void popObject()
                   throws JiBXException

  Pop unmarshalled object from stack.

  Specified by:
    `popObject` in interface `IUnmarshallingContext`
  Throws:
    `JiBXException` - if no object on stack

### getStackDepth

    public int getStackDepth()

  Get current unmarshalling object stack depth. This allows tracking nested calls to unmarshal one object while in the process of unmarshalling another object. The bottom item on the stack is always the root object being unmarshalled.

  Specified by:
    `getStackDepth` in interface `IUnmarshallingContext`
  Returns:
    number of objects in unmarshalling stack

### getStackObject

    public java.lang.Object getStackObject(int depth)

  Get object from unmarshalling stack. This stack allows tracking nested calls to unmarshal one object while in the process of unmarshalling another object. The bottom item on the stack is always the root object being unmarshalled.

  Specified by:
    `getStackObject` in interface `IUnmarshallingContext`
  Parameters:
    `depth` - object depth in stack to be retrieved (must be in the range of zero to the current depth minus one).
  Returns:
    object from unmarshalling stack

### getStackTop

    public java.lang.Object getStackTop()

  Get top object on unmarshalling stack. This is safe to call even when no objects are on the stack.

  Specified by:
    `getStackTop` in interface `IUnmarshallingContext`
  Returns:
    object from unmarshalling stack, or `null` if none

### getActiveNamespaceCount

    public int getActiveNamespaceCount()

  Get count of active namespaces.

  Returns:
    number of active namespaces in stack

### getActiveNamespaceUri

    public java.lang.String getActiveNamespaceUri(int index)

  Get URI for an active namespace.

  Parameters:
    `index` - index number of namespace to be returned
  Returns:
    URI for namespace at position
  Throws:
    `java.lang.IllegalArgumentException` - if invalid index

### getActiveNamespacePrefix

    public java.lang.String getActiveNamespacePrefix(int index)

  Get prefix for an active namespace.

  Parameters:
    `index` - stack position of namespace to be returned
  Returns:
    prefix for namespace at position
  Throws:
    `java.lang.IllegalArgumentException` - if invalid index

### skipElement

    public void skipElement()
                     throws JiBXException

  Skip past current element.

  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### next

    public int next()
             throws JiBXException

  Advance to next major parse event. This wraps the base parser call in order to catch and handle exceptions, and to preserve a reasonable level of parser independence.

  Returns:
    event type for next major parse event (START_TAG, TEXT, END_TAG, or END_DOCUMENT)
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### nextToken

    public int nextToken()
                  throws JiBXException

  Advance to next parse event. This wraps the base parser call in order to catch and handle exceptions, and to preserve a reasonable level of parser independence.

  Returns:
    event type for next parse event
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### currentEvent

    public int currentEvent()
                     throws JiBXException

  Get the current parse event type. This wraps the base parser call in order to catch and handle exceptions, and to preserve a reasonable level of parser independence.

  Returns:
    event type for current parse event
  Throws:
    `JiBXException` - on any error (possibly wrapping other exception)

### getName

    public java.lang.String getName()

  Get name associated with current parse event.

  Returns:
    name text for name associated with event (START_ELEMENT, END_ELEMENT, or ENTITY_REF only)
  Throws:
    `java.lang.IllegalStateException` - if not at a start or end tag (optional)

### getNamespace

    public java.lang.String getNamespace()

  Get namespace associated with current parse event.

  Returns:
    URI for namespace associated with event (START_ELEMENT or END_ELEMENT only), empty string if none
  Throws:
    `java.lang.IllegalStateException` - if not at a start or end tag (optional)

### getPrefix

    public java.lang.String getPrefix()

  Get namespace prefix associated with current parse event.

  Returns:
    prefix for namespace associated with event (START_ELEMENT or END_ELEMENT only), `null` if none
  Throws:
    `java.lang.IllegalStateException` - if not at a start or end tag (optional)

### getAttributeCount

    public int getAttributeCount()

  Get number of attributes for current START_ELEMENT event. The results are undefined if called when not at a START_ELEMENT event.

  Returns:
    number of attributes, or `-1` if not at START_ELEMENT
  Throws:
    `java.lang.IllegalStateException` - if not at a start tag (optional)

### getAttributeName

    public java.lang.String getAttributeName(int index)

  Get attribute name for current START_ELEMENT event. The results are undefined if called when not at a START_ELEMENT event.

  Parameters:
    `index` - index number of attribute to be returned
  Returns:
    name of attribute at position
  Throws:
    `java.lang.IllegalStateException` - if not at a start tag or invalid index

### getAttributeNamespace

    public java.lang.String getAttributeNamespace(int index)

  Get attribute namespace for current START_ELEMENT event. The results are undefined if called when not at a START_ELEMENT event.

  Parameters:
    `index` - index number of attribute to be returned
  Returns:
    namespace URI of attribute at position, empty string if none
  Throws:
    `java.lang.IllegalStateException` - if not at a start tag or invalid index

### getAttributePrefix

    public java.lang.String getAttributePrefix(int index)

  Get attribute namespace prefix for current START_ELEMENT event. The results are undefined if called when not at a START_ELEMENT event.

  Parameters:
    `index` - index number of attribute to be returned
  Returns:
    prefix for namespace of attribute at position, `null` if none
  Throws:
    `java.lang.IllegalStateException` - if not at a start tag or invalid index

### getAttributeValue

    public java.lang.String getAttributeValue(int index)

  Get attribute value for current START_ELEMENT event. The results are undefined if called when not at a START_ELEMENT event.

  Parameters:
    `index` - index number of attribute to be returned
  Returns:
    value of attribute at position
  Throws:
    `java.lang.IllegalStateException` - if not at a start tag or invalid index

### getNamespaceCount

    public int getNamespaceCount()

  Get number of namespace declarations for current START_ELEMENT event. The results are undefined if called when not at a START_ELEMENT event.

  Returns:
    number of namespace declarations, or `-1` if not at START_ELEMENT

### getNamespaceUri

    public java.lang.String getNamespaceUri(int index)

  Get namespace URI for namespace declaration on current START_ELEMENT event. The results are undefined if called when not at a START_ELEMENT event.

  Parameters:
    `index` - index number of declaration to be returned
  Returns:
    namespace URI for declaration at position
  Throws:
    `java.lang.IllegalArgumentException` - if invalid index

### getNamespacePrefix

    public java.lang.String getNamespacePrefix(int index)

  Get namespace prefix for namespace declaration on current START_ELEMENT event. The results are undefined if called when not at a START_ELEMENT event.

  Parameters:
    `index` - index number of declaration to be returned
  Returns:
    namespace prefix for declaration at position,
  Throws:
    `java.lang.IllegalArgumentException` - if invalid index

### getNamespaceUri

    public java.lang.String getNamespaceUri(java.lang.String prefix)

  Get namespace URI matching prefix.

  Parameters:
    `prefix` - namespace prefix to be matched (`null` for default namespace)
  Returns:
    namespace URI for prefix

### getText

    public java.lang.String getText()

  Get text value for current event.

  Returns:
    text value for event

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