/**************************************************************
 * 
 * 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);
            }
        }
}