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
18 package org.apache.commons.configuration.web;
19
20 import java.applet.Applet;
21 import java.util.Iterator;
22
23 import org.apache.commons.collections.iterators.ArrayIterator;
24
25 /**
26 * A configuration wrapper to read applet parameters. This configuration is
27 * read only, adding or removing a property will throw an
28 * UnsupportedOperationException.
29 *
30 * @author <a href="mailto:ebourg@apache.org">Emmanuel Bourg</a>
31 * @version $Revision: 515306 $, $Date: 2007-03-06 21:15:00 +0000 (Tue, 06 Mar 2007) $
32 * @since 1.1
33 */
34 public class AppletConfiguration extends BaseWebConfiguration
35 {
36 /** Stores the wrapped applet.*/
37 protected Applet applet;
38
39 /**
40 * Create an AppletConfiguration using the initialization parameters of
41 * the specified Applet.
42 *
43 * @param applet the applet
44 */
45 public AppletConfiguration(Applet applet)
46 {
47 this.applet = applet;
48 }
49
50 public Object getProperty(String key)
51 {
52 return handleDelimiters(applet.getParameter(key));
53 }
54
55 public Iterator getKeys()
56 {
57 String[][] paramsInfo = applet.getParameterInfo();
58 String[] keys = new String[paramsInfo != null ? paramsInfo.length : 0];
59 for (int i = 0; i < keys.length; i++)
60 {
61 keys[i] = paramsInfo[i][0];
62 }
63
64 return new ArrayIterator(keys);
65 }
66 }