cvs commit: xml-xerces/java/src/org/apache/xerces/util DOMInputSource.java

[mr...@apache.org]

mrglavas    2005/05/15 12:14:47

  Added:       java/src/org/apache/xerces/util DOMInputSource.java
  Log:
  An XMLInputSource analogue to javax.xml.transform.dom.DOMSource,
  useful for transfering contents of a DOMSource down to the schema
  loader. Also allows an XNI entity resolver to return DOM input for
  schema includes and imports.
  
  Revision  Changes    Path
  1.1                  xml-xerces/java/src/org/apache/xerces/util/DOMInputSource.java
  
  Index: DOMInputSource.java
  ===================================================================
  /*
   * Copyright 2005 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
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.xerces.util;
  
  import org.apache.xerces.xni.parser.XMLInputSource;
  import org.w3c.dom.Node;
  
  /**
   * <p>An <code>XMLInputSource</code> analogue to <code>javax.xml.transform.dom.DOMSource</code>.</p>
   * 
   * @version $Id: DOMInputSource.java,v 1.1 2005/05/15 19:14:47 mrglavas Exp $
   */
  public class DOMInputSource extends XMLInputSource {
  
  	private Node fNode;
      
      public DOMInputSource() {
          this(null);
      }
  	
  	public DOMInputSource(Node node) {
  		super(null, getSystemIdFromNode(node), null);
  		fNode = node;
  	}
  	
  	public DOMInputSource(Node node, String systemId) {
  		super(null, systemId, null);
  		fNode = node;
  	}
  	
  	public Node getNode() {
  		return fNode;
  	}
  	
  	public void setNode(Node node) {
  		fNode = node;
  	}
      
      private static String getSystemIdFromNode(Node node) {
          if (node != null) {
              try {
                  return node.getBaseURI();
              }
              // If the DOM implementation is DOM Level 2 
              // then a NoSuchMethodError will be thrown.
              // Just ignore it.
              catch (NoSuchMethodError e) {
                  return null;
              }
              // There was a failure for some other reason
              // Ignore it as well.
              catch (Exception e) {
                  return null;
              }
          }
          return null;
      }
      
  } // DOMInputSource
  
  
  

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