// Copyright 2007 The Apache Software Foundation

 //

 // Licensed 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.tapestry5.internal.parser;

 import org.apache.tapestry5.ioc.Location;

 /**

  * A block, used to enclose a chunk of template (including components) and control when or if the content is rendered.

  */

 public class BlockToken extends TemplateToken

 {

     private final String id;

     /**

      * @param id       the id of the block, or null for an anonymous block

      * @param location of the block element

      */

     public BlockToken(String id, Location location)

     {

         super(TokenType.BLOCK, location);

         this.id = id;

     }

     /**

      * Returns the block's template-unique id, or null if the block element did not specify an id.

      */

     public String getId()

     {

         return id;

     }

     @Override

     public String toString()

     {

         return String.format("Block[%s]", id == null ? "" : id);

     }

 }