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1   /*
2    * Copyright 2003-2005 The Apache Software Foundation.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.pluto.descriptors.services.impl;
17  
18  import java.io.IOException;
19  import java.io.InputStream;
20  
21  import org.xml.sax.EntityResolver;
22  import org.xml.sax.InputSource;
23  import org.xml.sax.SAXException;
24  
25  /***
26   * Entity Resolver which first looks for dtd and xls
27   * locally in our packaged.
28   *
29   * @author <a href="ddewolf@apache.org">David H. DeWolf</a>
30   * @version 1.0
31   * @since 1.1
32   */
33  class EntityResolverImpl implements EntityResolver {
34  
35      public InputSource resolveEntity(String publicId, String systemId)
36          throws SAXException, IOException {
37          int idx = systemId.lastIndexOf('/');
38          String name = systemId.substring(idx+1);
39          InputStream in = getClass().getResourceAsStream(name);
40          if(in != null) {
41              return new InputSource(in);
42          }
43          return null;
44      }
45  }