/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.webui;
import org.exoplatform.webui.config.InitParams;
/**
* Created by The eXo Platform SAS May 10, 2006
*
* A utility class that provides static methods to create new objects, of a given type
*/
public class Util {
/**
* The default parameters given to the constructor
*/
static Class<?>[] CONSTRUCTOR_PARAMS = { InitParams.class };
/**
*
* @param type The type of the object to create, given as a String
* @param params The parameters to give to the constructor
* @return A new object of the given type
* @throws Exception
*/
public static Object createObject(String type, InitParams params) throws Exception {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
Class<?> clazz = cl.loadClass(type);
return createObject(clazz, params);
}
/**
*
* @param <T> The type of the object to create
* @param type The type parameter given as a Class object
* @param params The parameters to give to the constructor
* @return The object of type T
* @throws Exception
*/
public static <T> T createObject(Class<T> type, InitParams params) throws Exception {
if (params == null) {
return type.getConstructor().newInstance();
}
Object[] args = { params };
return type.getConstructor(CONSTRUCTOR_PARAMS).newInstance(args);
}
}