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