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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.vfs2.provider.zip;
19  
20  import java.io.File;
21  import java.io.IOException;
22  import java.net.URI;
23  
24  import org.apache.commons.vfs2.FileObject;
25  import org.xml.sax.EntityResolver;
26  import org.xml.sax.InputSource;
27  import org.xml.sax.SAXException;
28  
29  /**
30   * This SAX resolver opens VFS objects (FileObject, FileContent, InputStream) but does not close them.
31   */
32  public class TestEntityResolver implements EntityResolver {
33  
34      private final FileObject containerFile;
35      private final FileObject sourceFile;
36  
37      public TestEntityResolver(final FileObject containerFile, final FileObject sourceFile) {
38          this.containerFile = containerFile;
39          this.sourceFile = sourceFile;
40      }
41  
42      @Override
43      public InputSource resolveEntity(final String publicId, final String systemId) throws SAXException, IOException {
44          // System.out.println("resolving publicId=" + publicId + ", systemId=" + systemId);
45          final String fileName = new File(URI.create(systemId).getPath()).getName();
46          if (/* fileName.equals("person.xsd") || */fileName.equals("name.xsd") || fileName.equals("address.xsd")) {
47              final String path = "/read-xml-tests/" + fileName;
48              final FileObject xsdFileObject = sourceFile.resolveFile(path);
49              if (!xsdFileObject.exists()) {
50                  System.err.println("File does not exist: " + xsdFileObject);
51                  throw new IllegalStateException(
52                          "Schema " + path + " not found in file " + containerFile + " parsing " + sourceFile);
53              }
54              // System.out.println("Opening input stream on " + xsdFileObject);
55              return new InputSource(xsdFileObject.getContent().getInputStream());
56          }
57          return null;
58      }
59  
60  }