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## Package com.jclark.xsl.sax

The SAX (version 1) API for XT This package provides APIs for invoking XT with SAX 1 parsers providing input stylesheets and source document This version of XT continues the public interface of earlier versions.

See:
Description

Interface Summary
CommentHandler | receives comment events from a parse
Destination | represents the output destination for an XML document
OutputDocumentHandler | A SAX 1 DocumentHandler that serializes the results of a transform to a Destination, in a manner influenced by the "xsl:output" element
OutputMethodHandler | constructs a DocumentHandler appropriate for a given output method (which typically is determined by the stylesheet) and destination (which is determined externally)
RawCharactersHandler |
ResultTreeFragment |
SaxFilterMaker | an object which is able to provide a SAX2 XMLFilter We use these for some experimental XSLT extension elements
XMLProcessorEx | extended public interface for an XMLProcessor, which loads an XML source into our own DOM-like structure
XSLProcessor | typical usage: // find an implementation, and construct it XSLProcessor xsl = new XSLProcessorImpl(); xsl.setParser(sourceParser, styleParser); xsl.loadStylesheet(someInputSource); // maybe clone for re-use ... // maybe set some parameters ... // attach an output handler xsl.setDocumentHandler(someHandler); xsl.parse(someOtherInputSource);

Class Summary
Driver | A Command line driver program for XSLProcessor
EncodingName | maps between Java and IANA character encoding names
ExtensionHandlerImpl | for invoking XSLT extension functions (??)
FileDescriptorDestination | e.g stdout
FileDestination | Represents a file to which we can write the results of a transformation
GenericDestination | A base class for output Destinations, providing some common default behaviors
HTMLOutputHandler | A OutputDocumentHandler that writes an HTML representation.
Indenter | performs "pretty-printing" by wrapping another OutputDocumentHandler, intercepting SAX events, and inserting whitespace events as appropriate. ...
MultiNamespaceResult |
NXMLOutputHandler | an output handler that handles our special technique for non XML characters
OutputMethodHandlerImpl | produces a DocumentHandler suitable for a given output method i.e text, XML, etc and destination
OutputStreamDestination | A Destination on an already opened OutputStream
ResultBase | abstract base class represents the results of executing a stylesheet Action -- constructs result components.
ServletDestination | provides and initializes an output stream to (through) a ServletResponse
TextOutputHandler | An object which serailizes SAX 1 events to raw text
XMLOutputHandler | A DocumentHandler that writes an XML representation to an OutputStream.
XMLProcessorImpl | parses a source doc or stylesheet into our own DOM like structure
XSLProcessorImpl | An XSLT Processor
XSLServlet | an example servlet which compiles and caches a stylesheet, then with each "GET" transforms the requested file

## Package com.jclark.xsl.sax Description

The SAX (version 1) API for XT

This package provides APIs for invoking XT with SAX 1 parsers providing input stylesheets and source document

This version of XT continues the public interface of earlier versions. This interface is defined in `com.jclark.xsl.sax.XSLProcessor` which is implemented by `com.jclark.xsl.sax.XSLProcessorImpl`. This interface is based on SAX 1.

There is also a simple API based purely on the DOM in the package `com.jclark.xsl.dom`

A demonstration is provided of XT used in a servlet. This requires a servlet engine that implements at least version 2.1 of the Java Servlet API. The servlet class is `com.jclark.xsl.sax.XSLServlet`. The servlet requires an init parameter `stylesheet`; the value is the path of the stylesheet in a form suitable to be passed to `ServletContext.getResource`. The translated path gives the XML document to be transformed. An extension of `.xml` will be automatically added to the translated path if necessary. (Some browsers assume that a URL ending in `.xml` is an XML document.) Parameters from the query part of the URL are passed in as parameters to the stylesheet. The stylesheet is cached on initialization.

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