FileSystemConfigBuilder


1   /*
2    * Copyright 2002-2005 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  package org.apache.commons.vfs;
17  
18  
19  /**
20   * Abstract class which has the right to fill FileSystemOptions
21   *
22   * @author <a HREF="mailto:imario@apache.org">Mario Ivankovits</a>
23   */
24  public abstract class FileSystemConfigBuilder
25  {
26      protected void setParam(FileSystemOptions opts, String   name, Object   value)
27      {
28          opts.setOption(getConfigClass(), name, value);
29      }
30  
31      protected Object   getParam(FileSystemOptions opts, String   name)
32      {
33          if (opts == null)
34          {
35              return null;
36          }
37  
38          return opts.getOption(getConfigClass(), name);
39      }
40  
41      protected boolean hasParam(FileSystemOptions opts, String   name)
42      {
43          if (opts == null)
44          {
45              return false;
46          }
47  
48          return opts.hasOption(getConfigClass(), name);
49      }
50  
51      protected abstract Class   getConfigClass();
52  }
53

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