001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 package org.apache.commons.configuration.web; 019 020 import java.applet.Applet; 021 import java.util.Iterator; 022 023 import org.apache.commons.collections.iterators.ArrayIterator; 024 025 /** 026 * A configuration wrapper to read applet parameters. This configuration is 027 * read only, adding or removing a property will throw an 028 * UnsupportedOperationException. 029 * 030 * @author <a href="mailto:ebourg@apache.org">Emmanuel Bourg</a> 031 * @version $Revision: 515306 $, $Date: 2007-03-06 22:15:00 +0100 (Di, 06 Mrz 2007) $ 032 * @since 1.1 033 */ 034 public class AppletConfiguration extends BaseWebConfiguration 035 { 036 /** Stores the wrapped applet.*/ 037 protected Applet applet; 038 039 /** 040 * Create an AppletConfiguration using the initialization parameters of 041 * the specified Applet. 042 * 043 * @param applet the applet 044 */ 045 public AppletConfiguration(Applet applet) 046 { 047 this.applet = applet; 048 } 049 050 public Object getProperty(String key) 051 { 052 return handleDelimiters(applet.getParameter(key)); 053 } 054 055 public Iterator getKeys() 056 { 057 String[][] paramsInfo = applet.getParameterInfo(); 058 String[] keys = new String[paramsInfo != null ? paramsInfo.length : 0]; 059 for (int i = 0; i < keys.length; i++) 060 { 061 keys[i] = paramsInfo[i][0]; 062 } 063 064 return new ArrayIterator(keys); 065 } 066 }