/*
    * 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.view.facelets.compiler;
  
  import java.io.IOException;
  
  import javax.el.ELContext;
  import javax.el.ExpressionFactory;
  import javax.faces.application.FacesMessage;
  import javax.faces.context.FacesContext;
  
  import org.apache.myfaces.view.facelets.AbstractFaceletContext;
  
  /**
   * Adds a message that will be added on build view time. 
   * 
   * @author Leonardo Uribe
   *
   */
  final class AddFacesMessageInstruction implements Instruction
  {
      private final FacesMessage.Severity serverity;
      private final String summary;
      private final String detail;
      
      public AddFacesMessageInstruction(FacesMessage.Severity serverity, String summary, String detail)
      {
          this.serverity = serverity;
          this.summary = summary;
          this.detail = detail;
      }
  
      public void write(FacesContext context) throws IOException
      {
      }
  
      public Instruction apply(ExpressionFactory factory, ELContext ctx)
      {
          FacesContext facesContext = ((AbstractFaceletContext)ctx).getFacesContext();
          facesContext.addMessage(null, new FacesMessage(this.serverity, this.summary, this.detail));
          return this;
      }
  
      public boolean isLiteral()
      {
          return false;
      }
  
  }