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1   package org.apache.velocity.runtime.resource.util;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.Collections;
23  import java.util.HashMap;
24  import java.util.Map;
25  import org.apache.velocity.runtime.resource.loader.StringResourceLoader;
26  
27  /**
28   * Default implementation of StringResourceRepository.
29   * Uses a HashMap for storage
30   *
31   * @author <a href="mailto:eelco.hillenius@openedge.nl">Eelco Hillenius</a>
32   * @author <a href="mailto:henning@apache.org">Henning P. Schmiedehausen</a>
33   * @version $Id: StringResourceRepositoryImpl.java 685724 2008-08-13 23:12:12Z nbubna $
34   * @since 1.5
35   */
36  public class StringResourceRepositoryImpl implements StringResourceRepository
37  {
38      /**
39       * mem store
40       */
41      protected Map resources = Collections.synchronizedMap(new HashMap());
42  
43      /**
44       * Current Repository encoding.
45       */
46      private String encoding = StringResourceLoader.REPOSITORY_ENCODING_DEFAULT;
47      
48      /**
49       * @see StringResourceRepository#getStringResource(java.lang.String)
50       */
51      public StringResource getStringResource(final String name)
52      {
53          return (StringResource)resources.get(name);
54      }
55  
56      /**
57       * @see StringResourceRepository#putStringResource(java.lang.String, java.lang.String)
58       */
59      public void putStringResource(final String name, final String body)
60      {
61          resources.put(name, new StringResource(body, getEncoding()));
62      }
63  
64      /**
65       * @see StringResourceRepository#putStringResource(java.lang.String, java.lang.String, java.lang.String)
66       * @since 1.6
67       */
68      public void putStringResource(final String name, final String body, final String encoding)
69      {
70          resources.put(name, new StringResource(body, encoding));
71      }
72  
73      /**
74       * @see StringResourceRepository#removeStringResource(java.lang.String)
75       */
76      public void removeStringResource(final String name)
77      {
78          resources.remove(name);
79      }
80  
81      /**
82       * @see org.apache.velocity.runtime.resource.util.StringResourceRepository#getEncoding()
83       */
84      public String getEncoding()
85      {
86  	    return encoding;
87      }
88  
89      /**
90       * @see org.apache.velocity.runtime.resource.util.StringResourceRepository#setEncoding(java.lang.String)
91       */
92      public void setEncoding(final String encoding)
93      {
94  	    this.encoding = encoding;
95      }
96  }