01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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: * Abstract class which has the right to fill FileSystemOptions
21: *
22: * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a>
23: * @version $Revision: 480428 $ $Date: 2006-11-28 22:15:24 -0800 (Tue, 28 Nov 2006) $
24: */
25: public abstract class FileSystemConfigBuilder {
26: protected void setParam(FileSystemOptions opts, String name,
27: Object value) {
28: opts.setOption(getConfigClass(), name, value);
29: }
30:
31: protected Object getParam(FileSystemOptions opts, String name) {
32: if (opts == null) {
33: return null;
34: }
35:
36: return opts.getOption(getConfigClass(), name);
37: }
38:
39: protected boolean hasParam(FileSystemOptions opts, String name) {
40: if (opts == null) {
41: return false;
42: }
43:
44: return opts.hasOption(getConfigClass(), name);
45: }
46:
47: protected abstract Class getConfigClass();
48: }
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