ActionFactory.java

/*******************************************************************************
 * ===========================================================
 * Ankush : Big Data Cluster Management Solution
 * ===========================================================
 * 
 * (C) Copyright 2014, by Impetus Technologies
 * 
 * This is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License (LGPL v3) as
 * published by the Free Software Foundation;
 * 
 * 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 Street, Fifth Floor, Boston, MA  02110-1301, USA.
 ******************************************************************************/
/**
 * 
 */
package com.impetus.ankush.agent.action;

import java.lang.reflect.Constructor;

import com.impetus.ankush.agent.AgentConf;
import com.impetus.ankush.agent.service.provider.ServiceProvider;

/**
 * A factory for creating Action objects.
 * 
 * @author mayur
 */
public class ActionFactory {

	// Create agent config.
	private static AgentConf conf = new AgentConf();

	/**
	 * Gets the instance by id.
	 * 
	 * @param id
	 *            the id
	 * @return the instance by id
	 */
	public static Actionable getInstanceById(String id) {
		// Getting class name.
		String className = conf.getProperties().getProperty(id);
		return getActionableObject(className);
	}

	/**
	 * Gets the actionable object.
	 * 
	 * @param className
	 *            the class name
	 * @return the actionable object
	 */
	private static Actionable getActionableObject(String className) {
		com.impetus.ankush.agent.action.Actionable obj = null;
		try {
			Class<?> clazz = Class.forName(className);
			Constructor<?> co = clazz.getConstructor();
			obj = (com.impetus.ankush.agent.action.Actionable) (co
					.newInstance(null));
		} catch (Exception e) {
			System.err.println(e.getMessage());
		}
		return obj;
	}

	/**
	 * Gets the taskable object.
	 * 
	 * @param className
	 *            the class name
	 * @return the taskable object
	 */
	public static Taskable getTaskableObject(String className) {
		Taskable obj = null;
		try {
			Class<?> clazz = Class.forName(className);
			Constructor<?> co = clazz.getConstructor();
			obj = (Taskable) (co.newInstance(null));
		} catch (Exception e) {
			System.err.println(e.getMessage());
		}
		return obj;
	}

	/**
	 * Gets the taskable object.
	 * 
	 * @param className
	 *            the class name
	 * @return the taskable object
	 */
	public static ServiceProvider getServiceProviderObject(String id) {

		// Getting class name.
		String className = conf.getProperties().getProperty(id);
		// Service Provider object
		ServiceProvider obj = null;
		try {
			Class<?> clazz = Class.forName(className);
			Constructor<?> co = clazz.getConstructor();
			obj = (ServiceProvider) (co.newInstance(null));
		} catch (Exception e) {
			System.err.println(e.getMessage());
		}
		return obj;
	}

}