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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.vfs;
18  
19  
20  /***
21   * Abstract class which has the right to fill FileSystemOptions
22   *
23   * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a>
24   * @version $Revision: 480428 $ $Date: 2006-11-29 07:15:24 +0100 (Mi, 29 Nov 2006) $
25   */
26  public abstract class FileSystemConfigBuilder
27  {
28      protected void setParam(FileSystemOptions opts, String name, Object value)
29      {
30          opts.setOption(getConfigClass(), name, value);
31      }
32  
33      protected Object getParam(FileSystemOptions opts, String name)
34      {
35          if (opts == null)
36          {
37              return null;
38          }
39  
40          return opts.getOption(getConfigClass(), name);
41      }
42  
43      protected boolean hasParam(FileSystemOptions opts, String name)
44      {
45          if (opts == null)
46          {
47              return false;
48          }
49  
50          return opts.hasOption(getConfigClass(), name);
51      }
52  
53      protected abstract Class getConfigClass();
54  }