NullEntityResolver


1   /*
2    * The contents of this file are subject to the terms of the Common Development
3    * and Distribution License (the License). You may not use this file except in
4    * compliance with the License.
5    *
6    * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7    * or http://www.netbeans.org/cddl.txt.
8    *
9    * When distributing Covered Code, include this CDDL Header Notice in each file
10   * and include the License file at http://www.netbeans.org/cddl.txt.
11   * If applicable, add the following below the CDDL Header, with the fields
12   * enclosed by brackets [] replaced by your own identifying information:
13   * "Portions Copyrighted [year] [name of copyright owner]"
14   *
15   * The Original Software is NetBeans. The Initial Developer of the Original
16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  
20  package org.netbeans.modules.schema2beans;
21  
22  import java.io.*;
23  
24  import org.xml.sax.EntityResolver  ;
25  import org.xml.sax.InputSource  ;
26  
27  /**
28   * @author cliffwd
29   * An org.xml.sax.EntityResolver that does nothing.  Good for those times
30   * when you want 0 validation done, and to make sure it's not going to the
31   * network for a DTD lookup.
32   */
33  public class NullEntityResolver implements EntityResolver   {
34      //protected String dummyDTD = "<!ELEMENT dummy EMPTY >\n";
35      protected String   dummyDTD = "";
36      protected byte[] buf = dummyDTD.getBytes();
37      protected static NullEntityResolver theResolver = null;
38  
39      private NullEntityResolver() {
40      }
41  
42      public static NullEntityResolver newInstance() {
43          if (theResolver == null)
44              theResolver = new NullEntityResolver();
45          return theResolver;
46      }
47      
48      public InputSource   resolveEntity(String   publicId, String   systemId)
49      {
50          //System.out.println("resolveEntity: publicId="+publicId+" systemId="+systemId);
51          ByteArrayInputStream bin = new ByteArrayInputStream(buf);
52          return new InputSource  (bin);
53      }
54  }
55
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags