1 /* 2 * Copyright (c) 2007, 2017 Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.jemmy.control; 24 25 26 import java.util.HashMap; 27 import org.jemmy.JemmyException; 28 import org.jemmy.env.Environment; 29 30 31 /** 32 * This is an implementation of {@code Wrapper} which keeps a map between 33 * control class names and wrap class names. In only loads the wrap classes when 34 * first needed. 35 * @author shura 36 */ 37 public class LazyWrapper extends AbstractWrapper { 38 39 private final HashMap<String, String> theWrappers = new HashMap<String, String>(); 40 private final ClassLoader loader; 41 /** 42 * 43 * @param env 44 */ 45 @SuppressWarnings("unchecked") 46 public LazyWrapper(ClassLoader loader, Environment env) { 47 super(env); 48 this.loader = loader; 49 } 50 51 /** 52 * 53 * @param <P> 54 * @param controlClass 55 * @param wrapperClass 56 */ 57 public <P> void add(String controlClass, String wrapperClass) { 58 theWrappers.put(controlClass, wrapperClass); 59 } 60 61 @Override 62 protected Class<Wrap> getWrapClass(Class controlClass) { 63 String wrapClassName = theWrappers.get(controlClass.getName()); 64 if(wrapClassName == null) { 65 return null; 66 } 67 try { 68 return (Class<Wrap>)loader.loadClass(wrapClassName); 69 } catch (ClassNotFoundException ex) { 70 throw new JemmyException("Unable to load wrap for " + controlClass.getName() + 71 " which is " + wrapClassName, ex); 72 } 73 } 74 75 }