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/*
 * Copyright  1999-2004 The Apache Software Foundation.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
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 *  distributed under the License is distributed on an "AS IS" BASIS,
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package com.sun.org.apache.xml.internal.security.signature;

import com.sun.org.apache.xml.internal.security.exceptions.XMLSecurityException;
import com.sun.org.apache.xml.internal.security.utils.Constants;
import com.sun.org.apache.xml.internal.security.utils.IdResolver;
import com.sun.org.apache.xml.internal.security.utils.SignatureElementProxy;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;


Handles <ds:Object> elements
Object Element supply facility which can contain any kind data 
Author:
Christian Geuer-Pollmann
$todo$ if we remove childen, the boolean values are not updated/**
 * Handles <code>&lt;ds:Object&gt;</code> elements
 * <code>Object<code> {@link Element} supply facility which can contain any kind data
 *
 * @author Christian Geuer-Pollmann
 * $todo$ if we remove childen, the boolean values are not updated
 */
public class ObjectContainer extends SignatureElementProxy {

   
Constructs ObjectContainer 
Params:
doc – the Document in which Object element is placed/**
    * Constructs {@link ObjectContainer}
    *
    * @param doc the {@link Document} in which <code>Object</code> element is placed
    */
   public ObjectContainer(Document doc) {

      super(doc);
   }

   
Constructs ObjectContainer from Element 
Params:
element – is Object element
BaseURI – the URI of the resource where the XML instance was stored
Throws:
XMLSecurityException – /**
    * Constructs {@link ObjectContainer} from {@link Element}
    *
    * @param element is <code>Object</code> element
    * @param BaseURI the URI of the resource where the XML instance was stored
    * @throws XMLSecurityException
    */
   public ObjectContainer(Element element, String BaseURI)
           throws XMLSecurityException {

      super(element, BaseURI);
   }

   
Sets the Id attribute
Params:
Id – Id attribute/**
    * Sets the <code>Id</code> attribute
    *
    * @param Id <code>Id</code> attribute
    */
   public void setId(String Id) {

      if (Id != null) {
          setLocalIdAttribute(Constants._ATT_ID, Id);
      }
   }

   
Returns the Id attribute
Returns:
the Id attribute/**
    * Returns the <code>Id</code> attribute
    *
    * @return the <code>Id</code> attribute
    */
   public String getId() {
      return this._constructionElement.getAttributeNS(null, Constants._ATT_ID);
   }

   
Sets the MimeType attribute
Params:
MimeType – the MimeType attribute/**
    * Sets the <code>MimeType</code> attribute
    *
    * @param MimeType the <code>MimeType</code> attribute
    */
   public void setMimeType(String MimeType) {

      if ( (MimeType != null)) {
         this._constructionElement.setAttributeNS(null, Constants._ATT_MIMETYPE,
                                                MimeType);
      }
   }

   
Returns the MimeType attribute
Returns:
the MimeType attribute/**
    * Returns the <code>MimeType</code> attribute
    *
    * @return the <code>MimeType</code> attribute
    */
   public String getMimeType() {
      return this._constructionElement.getAttributeNS(null, Constants._ATT_MIMETYPE);
   }

   
Sets the Encoding attribute
Params:
Encoding – the Encoding attribute/**
    * Sets the <code>Encoding</code> attribute
    *
    * @param Encoding the <code>Encoding</code> attribute
    */
   public void setEncoding(String Encoding) {

      if ((Encoding != null)) {
         this._constructionElement.setAttributeNS(null, Constants._ATT_ENCODING,
                                                Encoding);
      }
   }

   
Returns the Encoding attribute
Returns:
the Encoding attribute/**
    * Returns the <code>Encoding</code> attribute
    *
    * @return the <code>Encoding</code> attribute
    */
   public String getEncoding() {
      return this._constructionElement.getAttributeNS(null, Constants._ATT_ENCODING);
   }

   
Adds child Node
Params:
node – child Node
Returns:
the new node in the tree./**
    * Adds child Node
    *
    * @param node child Node
    * @return the new node in the tree.
    */
   public Node appendChild(Node node) {

      Node result = null;

      result = this._constructionElement.appendChild(node);

      return result;
   }

   
@inheritDoc
/** @inheritDoc */
   public String getBaseLocalName() {
      return Constants._TAG_OBJECT;
   }
}