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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  package org.apache.tika.sax;
18  
19  import org.xml.sax.ContentHandler;
20  import org.xml.sax.SAXException;
21  import org.xml.sax.helpers.DefaultHandler;
22  
23  /**
24   * Content handler decorator that only passes the
25   * {@link #characters(char[], int, int)} and
26   * (@link {@link #ignorableWhitespace(char[], int, int)}
27   * (plus {@link #startDocument()} and {@link #endDocument()} events to
28   * the decorated content handler.
29   */
30  public class TextContentHandler extends DefaultHandler {
31  
32      private final ContentHandler delegate;
33  
34      public TextContentHandler(ContentHandler delegate) {
35          this.delegate = delegate;
36      }
37  
38      @Override
39      public void characters(char[] ch, int start, int length)
40              throws SAXException {
41          delegate.characters(ch, start, length);
42      }
43  
44      @Override
45      public void ignorableWhitespace(char[] ch, int start, int length)
46              throws SAXException {
47          delegate.ignorableWhitespace(ch, start, length);
48      }
49  
50      @Override
51      public void startDocument() throws SAXException {
52          delegate.startDocument();
53      }
54  
55      @Override
56      public void endDocument() throws SAXException {
57          delegate.endDocument();
58      }
59  
60      @Override
61      public String toString() {
62          return delegate.toString();
63      }
64  
65  }