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 685685 2008-08-13 21:43:27Z nbubna $ 39 * @since 1.5 40 */ 41 public class ASTStop extends SimpleNode 42 { 43 /** 44 * @param id 45 */ 46 public ASTStop(int id) 47 { 48 super(id); 49 } 50 51 /** 52 * @param p 53 * @param id 54 */ 55 public ASTStop(Parser p, int id) 56 { 57 super(p, id); 58 } 59 60 /** 61 * @see org.apache.velocity.runtime.parser.node.SimpleNode#jjtAccept(org.apache.velocity.runtime.parser.node.ParserVisitor, java.lang.Object) 62 */ 63 public Object jjtAccept(ParserVisitor visitor, Object data) 64 { 65 return visitor.visit(this, data); 66 } 67 68 /** 69 * Do not output anything, just shut off the rendering. 70 * @param context 71 * @param writer 72 * @return Always true. 73 * @throws IOException 74 * @throws MethodInvocationException 75 * @throws ParseErrorException 76 * @throws ResourceNotFoundException 77 */ 78 public boolean render( InternalContextAdapter context, Writer writer) 79 throws IOException, MethodInvocationException, ParseErrorException, ResourceNotFoundException 80 { 81 context.setAllowRendering(false); 82 83 return true; 84 } 85 } 86