/*
    * Copyright 2011 FatWire Corporation. All Rights Reserved.
    *
    * Licensed 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 com.fatwire.gst.foundation.groovy.action;
  
  import org.apache.commons.lang.StringUtils;
  
  import COM.FutureTense.Interfaces.ICS;
  
  import com.fatwire.gst.foundation.controller.action.Action;
  import com.fatwire.gst.foundation.controller.action.ActionLocator;
  import com.fatwire.gst.foundation.controller.action.Injector;
  import com.fatwire.gst.foundation.controller.action.support.AbstractActionLocator;
  import com.fatwire.gst.foundation.groovy.GroovyLoader;
  
  /**
   * @author Dolf Dijkstra
   * @since Mar 28, 2011
   */
  public class GroovyActionLocator extends AbstractActionLocator {
  	private GroovyLoader groovyLoader;
  
  	public GroovyActionLocator() {
  		super();
  
  	}
  
  	public GroovyActionLocator(ActionLocator fallbackActionLocator,
  			Injector injector) {
  		super(fallbackActionLocator, injector);
  	}
  
  	protected Action doFindAction(final ICS ics, final String name) {
  
  		Action action = null;
  		action = groovyAction(ics, name);
  
  		return action;
  	}
  
  	/**
  	 * Factory method for the Action
  	 * 
  	 * @param name
  	 *            the name of the action
  	 * @return the Action
  	 * @throws RuntimeException
  	 */
  	private Action groovyAction(final ICS ics, final String name) {
  
  		if (StringUtils.isBlank(name))
  			return null;
  		Action action = null;
  		try {
  
  			final Object o = getGroovyLoader().load(ics, name);
  
  			if (o instanceof Action) {
  				action = (Action) o;
  			} else {
  				if (LOG.isDebugEnabled())
  					LOG.debug(name + " is not a valid script.");
  			}
  		} catch (final RuntimeException e) {
  			throw e;
  		} catch (final Exception e) {
  			throw new RuntimeException(e);
  		}
  		return action;
  	}
  
  	/**
  	 * @return the groovyLoader
  	 */
  	public final GroovyLoader getGroovyLoader() {
  		return groovyLoader;
  	}
  
  	/**
  	 * @param groovyLoader
  	 *            the groovyLoader to set
  	 */
  	public final void setGroovyLoader(final GroovyLoader groovyLoader) {
  		this.groovyLoader = groovyLoader;
  	}
  
 }