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## javax.xml.crypto
Interface URIDereferencer

    public interface URIDereferencer

A dereferencer of `URIReference`s.

The result of dereferencing a `URIReference` is either an instance of `OctetStreamData` or `NodeSetData`. Unless the `URIReference` is a same-document reference as defined in section 4.2 of the W3C Recommendation for XML-Signature Syntax and Processing, the result of dereferencing the `URIReference` MUST be an `OctetStreamData`.

Author:
  Sean Mullan, Joyce Leung, JSR 105 Expert Group
See Also:
  `XMLCryptoContext.setURIDereferencer(URIDereferencer)`, `XMLCryptoContext.getURIDereferencer()`

Method Summary
`Data` | `dereference(URIReference uriReference, XMLCryptoContext context)` Dereferences the specified `URIReference` and returns the dereferenced data.

Method Detail

### dereference

    Data dereference(URIReference uriReference,
                     XMLCryptoContext context)
                     throws URIReferenceException

  Dereferences the specified `URIReference` and returns the dereferenced data.

  Parameters:
    `uriReference` - the `URIReference`
    `context` - an `XMLCryptoContext` that may contain additional useful information for dereferencing the URI. This implementation should dereference the specified `URIReference` against the context's `baseURI` parameter, if specified.
  Returns:
    the dereferenced data
  Throws:
    `java.lang.NullPointerException` - if `uriReference` or `context` are `null`
    `URIReferenceException` - if an exception occurs while dereferencing the specified `uriReference`

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