/*
    * 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.FlowCallBuilder;
  import org.apache.myfaces.flow.FlowCallNodeImpl;
  import org.apache.myfaces.flow.FlowImpl;
  import org.apache.myfaces.flow.ParameterImpl;
  import org.apache.myfaces.view.facelets.el.ELText;
  
  /**
   *
   * @since 2.2
   * @author Leonardo Uribe
   */
  public class FlowCallBuilderImpl extends FlowCallBuilder
  {
      private FlowBuilderImpl _flowBuilder;
      private FlowImpl _facesFlow;
      private FlowCallNodeImpl _flowCallNode;
  
      public FlowCallBuilderImpl(FlowBuilderImpl flowBuilder, FlowImpl facesFlow, String flowCallNodeId)
      {
          this._flowBuilder = flowBuilder;
          this._facesFlow = facesFlow;
          this._flowCallNode = new FlowCallNodeImpl(flowCallNodeId);
          this._facesFlow.putFlowCall(flowCallNodeId, _flowCallNode);
      }
  
      @Override
      public FlowCallBuilder flowReference(String flowDocumentId, String flowId)
      {
          if (ELText.isLiteral(flowDocumentId))
          {
              this._flowCallNode.setCalledFlowDocumentId(flowDocumentId);
          }
          else
          {
              this._flowCallNode.setCalledFlowDocumentId(_flowBuilder.createValueExpression(flowDocumentId));
          }
          if (ELText.isLiteral(flowId))
          {
              this._flowCallNode.setCalledFlowId(flowId);
          }
          else
          {
              this._flowCallNode.setCalledFlowId(_flowBuilder.createValueExpression(flowId));
          }
          return this;
      }
  
      @Override
      public FlowCallBuilder outboundParameter(String name, ValueExpression value)
      {
          this._flowCallNode.putOutboundParameter(name, new ParameterImpl(name, value));
          return this;
      }
  
      @Override
      public FlowCallBuilder outboundParameter(String name, String value)
      {
          this._flowCallNode.putOutboundParameter(name, new ParameterImpl(name, 
              this._flowBuilder.createValueExpression(value)));
          return this;
      }
  
      @Override
      public FlowCallBuilder markAsStartNode()
      {
          _facesFlow.setStartNodeId(_flowCallNode.getId());
          return this;
      }
      
  }