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.parser;
18
19 import java.io.IOException;
20 import java.io.InputStream;
21
22 import org.apache.tika.exception.TikaException;
23 import org.apache.tika.metadata.Metadata;
24 import org.apache.tika.sax.XHTMLContentHandler;
25 import org.xml.sax.ContentHandler;
26 import org.xml.sax.SAXException;
27
28 /**
29 * Dummy parser that always produces an empty XHTML document without even
30 * attempting to parse the given document stream. Useful as a sentinel parser
31 * for unknown document types.
32 */
33 public class EmptyParser implements Parser {
34
35 public void parse(
36 InputStream stream, ContentHandler handler, Metadata metadata)
37 throws IOException, SAXException, TikaException {
38 XHTMLContentHandler xhtml = new XHTMLContentHandler(handler, metadata);
39 xhtml.startDocument();
40 xhtml.endDocument();
41 }
42
43 }