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.configuration2.web; 19 20 import java.applet.Applet; 21 import java.util.Arrays; 22 import java.util.Iterator; 23 24 /** 25 * A configuration wrapper to read applet parameters. This configuration is read only, adding or removing a property 26 * will throw an UnsupportedOperationException. 27 * 28 * @since 1.1 29 */ 30 public class AppletConfiguration extends BaseWebConfiguration { 31 /** Stores the wrapped applet. */ 32 protected Applet applet; 33 34 /** 35 * Create an AppletConfiguration using the initialization parameters of the specified Applet. 36 * 37 * @param applet the applet 38 */ 39 public AppletConfiguration(final Applet applet) { 40 this.applet = applet; 41 } 42 43 @Override 44 protected Object getPropertyInternal(final String key) { 45 return handleDelimiters(applet.getParameter(key)); 46 } 47 48 @Override 49 protected Iterator<String> getKeysInternal() { 50 final String[][] paramsInfo = applet.getParameterInfo(); 51 final String[] keys = new String[paramsInfo != null ? paramsInfo.length : 0]; 52 if (paramsInfo != null) { 53 for (int i = 0; i < keys.length; i++) { 54 keys[i] = paramsInfo[i][0]; 55 } 56 } 57 return Arrays.asList(keys).iterator(); 58 } 59 }