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.util.HashMap;
20 import java.util.Map;
21
22 /**
23 * Parse context. Used to pass context information to Tika parsers.
24 *
25 * @since Apache Tika 0.5
26 * @see <a href="https://issues.apache.org/jira/browse/TIKA-275">TIKA-275</a>
27 */
28 public class ParseContext {
29
30 private final Map<Class<?>, Object> context =
31 new HashMap<Class<?>, Object>();
32
33 public <T> void set(Class<T> key, T value) {
34 context.put(key, value);
35 }
36
37 @SuppressWarnings("unchecked")
38 public <T> T get(Class<T> key) {
39 return (T) context.get(key);
40 }
41
42 public <T> T get(Class<T> key, T defaultValue) {
43 T value = get(key);
44 if (value != null) {
45 return value;
46 } else {
47 return defaultValue;
48 }
49 }
50
51 }