package org.apache.turbine.modules.actions;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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.

  */

 import org.apache.fulcrum.parser.ParameterParser;

 import org.apache.turbine.Turbine;

 import org.apache.turbine.pipeline.PipelineData;

 import org.apache.turbine.util.RunData;

 import org.apache.velocity.context.Context;

 /**

  * This class provides a methods for Turbine2 Velocity Actions to use. Since

  * this class is abstract, it should only be extended and not used directly.

  *

  * @author <a href="mailto:tv@apache.org">Thomas Vandahl</a>

  * @deprecated Use VelocityAction directly

  */

 @Deprecated

 public abstract class LegacyVelocityAction extends VelocityAction

 {

     /**

      * You SHOULD override this method and implement it in your action.

      *

      * @param data Turbine information.

      * @param context Context for web pages.

      * @throws Exception a generic exception.

      */

     public abstract void doPerform(RunData data, Context context)

             throws Exception;

     /**

      * Adapter method for legacy signature

      *

      * @param pipelineData Turbine information.

      * @param context Context for web pages.

      * @throws Exception a generic exception.

      */

     @Override

     public void doPerform(PipelineData pipelineData, Context context)

             throws Exception

     {

         doPerform(pipelineData.getRunData(), context);

     }

     /**

      * This overrides the default Action.doPerform() to execute the

      * doEvent() method.  If that fails, then it will execute the

      * doPerform() method instead.

      *

      * @param pipelineData A Turbine RunData object.

      * @throws Exception a generic exception.

      */

     @Override

     public void doPerform(PipelineData pipelineData)

             throws Exception

     {

         if (!initialized)

         {

             initialize();

         }

         RunData data = pipelineData.getRunData();

         ParameterParser pp = pipelineData.get(Turbine.class, ParameterParser.class);

         Context context = velocity.getContext(pipelineData);

         executeEvents(pp, new Class<?>[]{ RunData.class, Context.class },

                 new Object[]{ data, context });

     }

 }