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.Writer;
23 import java.io.IOException;
24
25 import org.apache.velocity.context.InternalContextAdapter;
26 import org.apache.velocity.runtime.parser.Parser;
27 import org.apache.velocity.runtime.parser.ParserVisitor;
28
29 import org.apache.velocity.exception.MethodInvocationException;
30 import org.apache.velocity.exception.ParseErrorException;
31 import org.apache.velocity.exception.ResourceNotFoundException;
32
33 /**
34 * This class is responsible for handling the #stop directive
35 *
36 * Please look at the Parser.jjt file which is
37 * what controls the generation of this class.
38 *
39 * @author <a href="mailto:wglass@forio.com">Will Glass-Husain</a>
40 * @version $Id: ASTStop.java 463298 2006-10-12 16:10:32Z henning $
41 */
42 public class ASTStop extends SimpleNode
43 {
44 /**
45 * @param id
46 */
47 public ASTStop(int id)
48 {
49 super(id);
50 }
51
52 /**
53 * @param p
54 * @param id
55 */
56 public ASTStop(Parser p, int id)
57 {
58 super(p, id);
59 }
60
61 /**
62 * @see org.apache.velocity.runtime.parser.node.SimpleNode#jjtAccept(org.apache.velocity.runtime.parser.ParserVisitor, java.lang.Object)
63 */
64 public Object jjtAccept(ParserVisitor visitor, Object data)
65 {
66 return visitor.visit(this, data);
67 }
68
69 /**
70 * Do not output anything, just shut off the rendering.
71 * @param context
72 * @param writer
73 * @return Always true.
74 * @throws IOException
75 * @throws MethodInvocationException
76 * @throws ParseErrorException
77 * @throws ResourceNotFoundException
78 */
79 public boolean render( InternalContextAdapter context, Writer writer)
80 throws IOException, MethodInvocationException, ParseErrorException, ResourceNotFoundException
81 {
82 context.setAllowRendering(false);
83
84 return true;
85 }
86 }
87