/*

  * Copyright 2006-2011 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.rice.core.impl.resourceloader;

 import org.apache.log4j.Logger;

 import org.kuali.rice.core.api.resourceloader.ResourceLoader;

 import org.kuali.rice.core.api.resourceloader.ResourceLoaderException;

 /**

  * A class for {@link org.kuali.rice.core.api.resourceloader.ResourceLoader} related utilities.

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public final class ResourceLoaderUtil {

     private static final Logger LOG = Logger.getLogger(ResourceLoaderUtil.class);

         private ResourceLoaderUtil() {

                 throw new UnsupportedOperationException("do not call");

         }

     /**

      * Instantiates className class via no-arg constructor, and returns a proxy

      * that wraps invocations with the specified classLoader as the context classloader

      * @param className the class to instantiate

      * @param classLoader the classLoader to set as the context classloader

      * @return a proxy that wraps an instance with code that sets and unsets the appropriate context classloader

      */

         public static Object createObject(String className, ClassLoader classLoader) {

                 try {

                         Class theClass = Class.forName(className, true, classLoader);

                         return ContextClassLoaderProxy.wrap(theClass.newInstance());

                 } catch (ClassNotFoundException e) {

             LOG.error("Error instantiating class '" + className + "' in classloader " + classLoader, e);

             return null;

                 } catch (InstantiationException e) {

                         throw new ResourceLoaderException(e);

                 } catch (IllegalAccessException e) {

                         throw new ResourceLoaderException(e);

                 }

         }

 }