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 018package org.apache.commons.configuration2.web; 019 020import java.applet.Applet; 021import java.util.Arrays; 022import java.util.Iterator; 023 024/** 025 * A configuration wrapper to read applet parameters. This configuration is 026 * read only, adding or removing a property will throw an 027 * UnsupportedOperationException. 028 * 029 * @since 1.1 030 */ 031public class AppletConfiguration extends BaseWebConfiguration 032{ 033 /** Stores the wrapped applet.*/ 034 protected Applet applet; 035 036 /** 037 * Create an AppletConfiguration using the initialization parameters of 038 * the specified Applet. 039 * 040 * @param applet the applet 041 */ 042 public AppletConfiguration(final Applet applet) 043 { 044 this.applet = applet; 045 } 046 047 @Override 048 protected Object getPropertyInternal(final String key) 049 { 050 return handleDelimiters(applet.getParameter(key)); 051 } 052 053 @Override 054 protected Iterator<String> getKeysInternal() 055 { 056 final String[][] paramsInfo = applet.getParameterInfo(); 057 final String[] keys = new String[paramsInfo != null ? paramsInfo.length : 0]; 058 for (int i = 0; i < keys.length; i++) 059 { 060 keys[i] = paramsInfo[i][0]; 061 } 062 063 return Arrays.asList(keys).iterator(); 064 } 065}