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1   /*
2    * Copyright 2005-2010 the original author or authors.
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  
17  package org.springframework.ws.context;
18  
19  import java.util.HashMap;
20  import java.util.Map;
21  
22  import org.springframework.util.StringUtils;
23  
24  /**
25   * Abstract base class for {@link MessageContext} instances.
26   *
27   * @author Arjen Poutsma
28   * @since 1.0.0
29   */
30  public abstract class AbstractMessageContext implements MessageContext {
31  
32      /**
33       * Keys are <code>Strings</code>, values are <code>Objects</code>. Lazily initialized by
34       * <code>getProperties()</code>.
35       */
36      private Map<String, Object> properties;
37  
38      public boolean containsProperty(String name) {
39          return getProperties().containsKey(name);
40      }
41  
42      public Object getProperty(String name) {
43          return getProperties().get(name);
44      }
45  
46      public String[] getPropertyNames() {
47          return StringUtils.toStringArray(getProperties().keySet());
48      }
49  
50      public void removeProperty(String name) {
51          getProperties().remove(name);
52      }
53  
54      public void setProperty(String name, Object value) {
55          getProperties().put(name, value);
56      }
57  
58      private Map<String, Object> getProperties() {
59          if (properties == null) {
60              properties = new HashMap<String, Object>();
61          }
62          return properties;
63      }
64  }