View Javadoc

1   /*
2    *    Copyright 2010 The Meiyo Team
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  package org.nnsoft.commons.meiyo.classpath;
17  
18  import org.nnsoft.commons.meiyo.classpath.filter.Filter;
19  
20  /**
21   * A classpath handler notifies {@link ClassPathEntry} found to {@link ClassPathEntryHandler}
22   * if and only if the {@link ClassPathEntry} satisfies the {@link Filter} requirements.
23   */
24  final class ClassPathHandler {
25  
26      /**
27       * The {@link Filter} reference.
28       */
29      private final Filter filter;
30  
31      /**
32       * The handlers list to witch {@link ClassPathEntry} will be notified if
33       * this last satisfies the {@link Filter} requirements.
34       */
35      private final ClassPathEntryHandler[] classHandlers;
36  
37      /**
38       * Creates a new classpath hanlder.
39       *
40       * @param filter the {@link Filter} reference.
41       * @param classHandlers the handlers list to witch {@link ClassPathEntry} will be notified.
42       */
43      public ClassPathHandler(Filter filter, ClassPathEntryHandler...classHandlers) {
44          this.filter = filter;
45          this.classHandlers = classHandlers;
46      }
47  
48      /**
49       * Notified the ClassPath entry if the {@link Filter} reference requirements
50       * are satisfied.
51       *
52       * @param path
53       * @param classPathEntry
54       */
55      public void doHandle(String path, Class<?> classPathEntry) {
56          if (this.filter.matches(classPathEntry)) {
57              for (ClassPathEntryHandler classHandler : this.classHandlers) {
58                  classHandler.doHandle(path, classPathEntry);
59              }
60          }
61      }
62  
63  }