/*

  * 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.context.FacesContext;

 /**

  * This instruction group literal and non literal text instructions.

  * Used to avoid text space compression, but note it is only used by

  * TextUnit when there is no inline escape (jspx) and compression enabled.

  *

  */

 final class CompositeTextInstruction implements Instruction

 {

     private Instruction[] instructions;

     public CompositeTextInstruction(Instruction[] instructions)

     {

         this.instructions = instructions;

     }

     @Override

     public void write(FacesContext context) throws IOException

     {

         for (Instruction i : instructions)

         {

             i.write(context);

         }

     }

     @Override

     public Instruction apply(ExpressionFactory factory, ELContext ctx)

     {

         Instruction[] array = new Instruction[instructions.length];

         for (int i = 0; i < instructions.length; i++)

         {

             array[i] = instructions[i].apply(factory, ctx);

         }

         return new CompositeTextInstruction(array);

     }

     @Override

     public boolean isLiteral()

     {

         boolean literal = true;

         for (Instruction i : instructions)

         {

             if (!i.isLiteral())

             {

                 literal = false;

                 break;

             }

         }

         return literal;

     }

 }