View Javadoc

1   package org.apache.velocity.runtime.parser.node;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.    
20   */
21  
22  import java.io.IOException;
23  import java.io.Writer;
24  
25  import org.apache.velocity.context.InternalContextAdapter;
26  import org.apache.velocity.exception.MethodInvocationException;
27  import org.apache.velocity.exception.ParseErrorException;
28  import org.apache.velocity.exception.ResourceNotFoundException;
29  import org.apache.velocity.runtime.parser.Parser;
30  
31  /**
32   * This class is responsible for handling the #stop directive
33   *
34   * Please look at the Parser.jjt file which is
35   * what controls the generation of this class.
36   *
37   * @author <a href="mailto:wglass@forio.com">Will Glass-Husain</a>
38   * @version $Id: ASTStop.java 517553 2007-03-13 06:09:58Z wglass $
39   */
40  public class ASTStop extends SimpleNode
41  {
42      /**
43       * @param id
44       */
45      public ASTStop(int id)
46      {
47          super(id);
48      }
49  
50      /**
51       * @param p
52       * @param id
53       */
54      public ASTStop(Parser p, int id)
55      {
56          super(p, id);
57      }
58  
59      /**
60       * @see org.apache.velocity.runtime.parser.node.SimpleNode#jjtAccept(org.apache.velocity.runtime.parser.node.ParserVisitor, java.lang.Object)
61       */
62      public Object jjtAccept(ParserVisitor visitor, Object data)
63      {
64          return visitor.visit(this, data);
65      }
66  
67      /**
68       * Do not output anything, just shut off the rendering.
69       * @param context
70       * @param writer
71       * @return Always true.
72       * @throws IOException
73       * @throws MethodInvocationException
74       * @throws ParseErrorException
75       * @throws ResourceNotFoundException
76       */
77      public boolean render( InternalContextAdapter context, Writer writer)
78          throws IOException, MethodInvocationException, ParseErrorException, ResourceNotFoundException
79      {
80          context.setAllowRendering(false);
81  
82          return true;
83      }
84  }
85