| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| package lib ; |
| |
| import java.lang.reflect.Constructor; |
| |
| /** |
| * @deprecated: moved to util package. |
| */ |
| public class DynamicClassLoader { |
| |
| /** |
| * This method returns a class created by it's name |
| * created by call to <code>Class.forName()</code>.<p> |
| * This method must be overloaded if another loading |
| * policy is required for Component and Interface |
| * testing classes. |
| */ |
| public static Class forName(String className) |
| throws ClassNotFoundException { |
| |
| return Class.forName(className) ; |
| } |
| |
| public Object getInstance(String className) |
| throws IllegalArgumentException { |
| try { |
| Class cls = DynamicClassLoader.forName(className); |
| return cls.newInstance(); |
| } catch ( ClassNotFoundException e ) { |
| throw new IllegalArgumentException("Couldn't find " + className |
| + " " + e); |
| } catch ( IllegalAccessException e ) { |
| throw new IllegalArgumentException("Couldn't access " + className |
| + " " + e); |
| } catch ( InstantiationException e ) { |
| throw new IllegalArgumentException("Couldn't instantiate " + |
| className + " " + e); |
| } |
| } |
| |
| public Object getInstance(String className, Object[] ctorArgs) |
| throws IllegalArgumentException { |
| try { |
| Class cls = DynamicClassLoader.forName(className); |
| Class[] ctorType = new Class[ctorArgs.length]; |
| for(int i=0; i<ctorType.length; i++) { |
| ctorType[i] = ctorArgs[i].getClass(); |
| } |
| Constructor ctor = cls.getConstructor(ctorType); |
| return ctor.newInstance(ctorArgs); |
| } catch ( ClassNotFoundException e ) { |
| throw new IllegalArgumentException("Couldn't find " + className |
| + " " + e); |
| } catch ( IllegalAccessException e ) { |
| throw new IllegalArgumentException("Couldn't access " + className |
| + " " + e); |
| } catch ( NoSuchMethodException e ) { |
| throw new IllegalArgumentException("Couldn't find constructor for " + className |
| + " " + e); |
| } catch ( java.lang.reflect.InvocationTargetException e ) { |
| throw new IllegalArgumentException("Couldn't invoke " + |
| className + " " + e); |
| } catch ( InstantiationException e ) { |
| throw new IllegalArgumentException("Couldn't instantiate " + |
| className + " " + e); |
| } |
| } |
| } |