/*

  * 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.

  */

 package org.apache.myfaces.flow.builder;

 import javax.el.ValueExpression;

 import javax.faces.flow.builder.ReturnBuilder;

 import org.apache.myfaces.flow.FlowImpl;

 import org.apache.myfaces.flow.ReturnNodeImpl;

 import org.apache.myfaces.view.facelets.el.ELText;

 /**

  *

  * @since 2.2

  * @author Leonardo Uribe

  */

 public class ReturnBuilderImpl extends ReturnBuilder

 {

     private FlowBuilderImpl _flowBuilder;

     private FlowImpl _facesFlow;

     private ReturnNodeImpl _returnNode;

     public ReturnBuilderImpl(FlowBuilderImpl flowBuilder, FlowImpl facesFlow, String returnNodeId)

     {

         this._flowBuilder = flowBuilder;

         this._facesFlow = facesFlow;

         this._returnNode = new ReturnNodeImpl(returnNodeId);

         this._facesFlow.putReturn(returnNodeId, _returnNode);

     }

     @Override

     public ReturnBuilder fromOutcome(String outcome)

     {

         if (ELText.isLiteral(outcome))

         {

             this._returnNode.setFromOutcome(outcome);

         }

         else

         {

             this._returnNode.setFromOutcome(_flowBuilder.createValueExpression(outcome));

         }

         return this;

     }

     @Override

     public ReturnBuilder fromOutcome(ValueExpression outcome)

     {

         this._returnNode.setFromOutcome(outcome);

         return this;

     }

     @Override

     public ReturnBuilder markAsStartNode()

     {

         _facesFlow.setStartNodeId(_returnNode.getId());

         return this;

     }

 }