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1   /*
2    * Copyright 2005 The Apache Software Foundation.
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  
18  package org.apache.jdo.impl.enhancer.util;
19  
20  import java.io.InputStream;
21  
22  
23  
24  public final class ResourceLocatorTimer
25      extends Support
26      implements ResourceLocator
27  {
28      // delegate
29      final protected ResourceLocator delegate;
30  
31      /***
32       * Creates an instance.
33       */
34      public ResourceLocatorTimer(ResourceLocator delegate)
35      {
36          affirm(delegate);
37          this.delegate = delegate;
38      }
39  
40      public InputStream getInputStreamForResource(String resourceName)
41      {
42          try {
43              timer.push("ResourceLocator.getInputStreamForResource(String)",
44                         "ResourceLocator.getInputStreamForResource(" + resourceName + ")");
45              return delegate.getInputStreamForResource(resourceName);
46          } finally {
47              timer.pop();
48          }
49      }
50  }