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 org.apache.velocity.context.InternalContextAdapter;
23 import org.apache.velocity.runtime.parser.Parser;
24 import org.apache.velocity.runtime.parser.ParserVisitor;
25
26 import org.apache.velocity.exception.MethodInvocationException;
27
28 /**
29 *
30 */
31 public class ASTExpression extends SimpleNode
32 {
33 /**
34 * @param id
35 */
36 public ASTExpression(int id)
37 {
38 super(id);
39 }
40
41 /**
42 * @param p
43 * @param id
44 */
45 public ASTExpression(Parser p, int id)
46 {
47 super(p, id);
48 }
49
50 /**
51 * @see org.apache.velocity.runtime.parser.node.SimpleNode#jjtAccept(org.apache.velocity.runtime.parser.ParserVisitor, java.lang.Object)
52 */
53 public Object jjtAccept(ParserVisitor visitor, Object data)
54 {
55 return visitor.visit(this, data);
56 }
57
58 /**
59 * @see org.apache.velocity.runtime.parser.node.SimpleNode#evaluate(org.apache.velocity.context.InternalContextAdapter)
60 */
61 public boolean evaluate( InternalContextAdapter context)
62 throws MethodInvocationException
63 {
64 return jjtGetChild(0).evaluate(context);
65 }
66
67 /**
68 * @see org.apache.velocity.runtime.parser.node.SimpleNode#value(org.apache.velocity.context.InternalContextAdapter)
69 */
70 public Object value( InternalContextAdapter context)
71 throws MethodInvocationException
72 {
73 return jjtGetChild(0).value(context);
74 }
75 }