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