/*
    * 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(name);
  
          return action;
      }
  
      /**
       * Factory method for the Action
       * 
       * @param name the name of the action
       * @return the Action
       * @throws RuntimeException
       */
      private Action groovyAction(final String name) {
  
          if (StringUtils.isBlank(name))
              return null;
          Action action = null;
          try {
  
              final Object o = getGroovyLoader().load(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;
      }
  
  }