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/*
 * ===========================================================================
 *
 * (C) Copyright IBM Corp. 2003 All Rights Reserved.
 *
 * ===========================================================================
 */
/*
 * $Id: XMLObject.java,v 1.5 2005/05/10 16:03:48 mullan Exp $
 */
package javax.xml.crypto.dsig;

import java.util.List;
import javax.xml.crypto.XMLStructure;

A representation of the XML Object element as defined in the W3C Recommendation for XML-Signature Syntax and Processing. An XMLObject may contain any data and may include optional MIME type, ID, and encoding attributes. The XML Schema Definition is defined as:

<element name="Object" type="ds:ObjectType"/>
<complexType name="ObjectType" mixed="true">
  <sequence minOccurs="0" maxOccurs="unbounded">
    <any namespace="##any" processContents="lax"/>
  </sequence>
  <attribute name="Id" type="ID" use="optional"/>
  <attribute name="MimeType" type="string" use="optional"/>
  <attribute name="Encoding" type="anyURI" use="optional"/>
</complexType>
A XMLObject instance may be created by invoking the newXMLObject method of the XMLSignatureFactory class; for example:
  XMLSignatureFactory fac = XMLSignatureFactory.getInstance("DOM");
  Manifest manifest = fac.newManifest(references);
  List<XMLStructure> content = Collections.singletonList(manifest);
  XMLObject object = factory.newXMLObject(content, "object-1", null, null);

Note that this class is named XMLObject rather than Object to avoid naming clashes with the existing java.lang.Object class.

Author:Sean Mullan, JSR 105 Expert Group, Joyce L. Leung
See Also:
Since:1.6
/** * A representation of the XML <code>Object</code> element as defined in * the <a href="http://www.w3.org/TR/xmldsig-core/"> * W3C Recommendation for XML-Signature Syntax and Processing</a>. * An <code>XMLObject</code> may contain any data and may include optional * MIME type, ID, and encoding attributes. The XML Schema Definition is * defined as: * * <pre><code> * &lt;element name="Object" type="ds:ObjectType"/&gt; * &lt;complexType name="ObjectType" mixed="true"&gt; * &lt;sequence minOccurs="0" maxOccurs="unbounded"&gt; * &lt;any namespace="##any" processContents="lax"/&gt; * &lt;/sequence&gt; * &lt;attribute name="Id" type="ID" use="optional"/&gt; * &lt;attribute name="MimeType" type="string" use="optional"/&gt; * &lt;attribute name="Encoding" type="anyURI" use="optional"/&gt; * &lt;/complexType&gt; * </code></pre> * * A <code>XMLObject</code> instance may be created by invoking the * {@link XMLSignatureFactory#newXMLObject newXMLObject} method of the * {@link XMLSignatureFactory} class; for example: * * <pre> * XMLSignatureFactory fac = XMLSignatureFactory.getInstance("DOM"); * Manifest manifest = fac.newManifest(references); * List&lt;XMLStructure&gt; content = Collections.singletonList(manifest); * XMLObject object = factory.newXMLObject(content, "object-1", null, null); * </pre> * * <p>Note that this class is named <code>XMLObject</code> rather than * <code>Object</code> to avoid naming clashes with the existing * {@link java.lang.Object java.lang.Object} class. * * @author Sean Mullan * @author JSR 105 Expert Group * @author Joyce L. Leung * @since 1.6 * @see XMLSignatureFactory#newXMLObject(List, String, String, String) */
public interface XMLObject extends XMLStructure {
URI that identifies the Object element (this can be specified as the value of the type parameter of the Reference class to identify the referent's type).
/** * URI that identifies the <code>Object</code> element (this can be * specified as the value of the <code>type</code> parameter of the * {@link Reference} class to identify the referent's type). */
final static String TYPE = "http://www.w3.org/2000/09/xmldsig#Object";
Returns an unmodifiable list of XMLStructures contained in this XMLObject, which represent elements from any namespace.

If there is a public subclass representing the type of XMLStructure, it is returned as an instance of that class (ex: a SignatureProperties element would be returned as an instance of SignatureProperties).

Returns:an unmodifiable list of XMLStructures (may be empty but never null)
/** * Returns an {@link java.util.Collections#unmodifiableList unmodifiable * list} of {@link XMLStructure}s contained in this <code>XMLObject</code>, * which represent elements from any namespace. * *<p>If there is a public subclass representing the type of * <code>XMLStructure</code>, it is returned as an instance of that class * (ex: a <code>SignatureProperties</code> element would be returned * as an instance of {@link javax.xml.crypto.dsig.SignatureProperties}). * * @return an unmodifiable list of <code>XMLStructure</code>s (may be empty * but never <code>null</code>) */
List<XMLStructure> getContent();
Returns the Id of this XMLObject.
Returns:the Id (or null if not specified)
/** * Returns the Id of this <code>XMLObject</code>. * * @return the Id (or <code>null</code> if not specified) */
String getId();
Returns the mime type of this XMLObject. The mime type is an optional attribute which describes the data within this XMLObject (independent of its encoding).
Returns:the mime type (or null if not specified)
/** * Returns the mime type of this <code>XMLObject</code>. The * mime type is an optional attribute which describes the data within this * <code>XMLObject</code> (independent of its encoding). * * @return the mime type (or <code>null</code> if not specified) */
String getMimeType();
Returns the encoding URI of this XMLObject. The encoding URI identifies the method by which the object is encoded.
Returns:the encoding URI (or null if not specified)
/** * Returns the encoding URI of this <code>XMLObject</code>. The encoding * URI identifies the method by which the object is encoded. * * @return the encoding URI (or <code>null</code> if not specified) */
String getEncoding(); }