/**
    * Copyright 2010-2013 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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 org.kuali.common.util;
  
  import java.lang.reflect.InvocationTargetException;
  import java.util.Map;
  
  import org.apache.commons.beanutils.BeanUtils;
  import org.springframework.util.MethodInvoker;
  
  public class ReflectionUtils extends org.springframework.util.ReflectionUtils {
  
  	@SuppressWarnings("unchecked")
  	public static Map<String, Object> describe(Object bean) {
  		try {
  			return BeanUtils.describe(bean);
  		} catch (IllegalAccessException e) {
  			throw new IllegalStateException(e);
  		} catch (InvocationTargetException e) {
  			throw new IllegalStateException(e);
  		} catch (NoSuchMethodException e) {
  			throw new IllegalStateException(e);
  		}
  	}
  
  	public static void copyProperty(Object bean, String name, Object value) {
  		try {
  			BeanUtils.copyProperty(bean, name, value);
  		} catch (IllegalAccessException e) {
  			throw new IllegalStateException(e);
  		} catch (InvocationTargetException e) {
  			throw new IllegalStateException(e);
  		}
  	}
  
  	public static Object invokeMethod(Class<?> targetClass, String targetMethod, Object... arguments) {
  		MethodInvoker invoker = new MethodInvoker();
  		invoker.setTargetClass(targetClass);
  		invoker.setTargetMethod(targetMethod);
  		invoker.setArguments(arguments);
  		return invoke(invoker);
  	}
  
  	public static Object invoke(MethodInvoker invoker) {
  		try {
  			invoker.prepare();
  			return invoker.invoke();
  		} catch (ClassNotFoundException e) {
  			throw new IllegalStateException(e);
  		} catch (NoSuchMethodException e) {
  			throw new IllegalStateException(e);
  		} catch (InvocationTargetException e) {
  			throw new IllegalStateException(e);
  		} catch (IllegalAccessException e) {
  			throw new IllegalStateException(e);
  		}
  	}
  
  	public static Class<?> getClass(String className) {
  		try {
  			return Class.forName(className);
  		} catch (ClassNotFoundException e) {
  			throw new IllegalArgumentException(e);
  		}
  	}
  
  	public static <T> T newInstance(String className) {
  		@SuppressWarnings("unchecked")
  		Class<T> clazz = (Class<T>) getClass(className);
  		return (T) newInstance(clazz);
  	}
  
  	public static <T> T newInstance(Class<T> instanceClass) {
  		try {
  			return (T) instanceClass.newInstance();
  		} catch (IllegalAccessException e) {
  			throw new IllegalArgumentException("Unexpected error", e);
  		} catch (InstantiationException e) {
  			throw new IllegalArgumentException("Unexpected error", e);
  		}
  	}
  
  }