1 package org.apache.commons.ognl; 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 /** 23 * $Id: ASTLess.java 1194869 2011-10-29 11:10:16Z mcucchiara $ 24 * @author Luke Blanshard (blanshlu@netscape.net) 25 * @author Drew Davidson (drew@ognl.org) 26 */ 27 class ASTLess 28 extends ComparisonExpression 29 { 30 public ASTLess( int id ) 31 { 32 super( id ); 33 } 34 35 public ASTLess( OgnlParser p, int id ) 36 { 37 super( p, id ); 38 } 39 40 protected Object getValueBody( OgnlContext context, Object source ) 41 throws OgnlException 42 { 43 Object v1 = children[0].getValue( context, source ); 44 45 Object v2 = children[1].getValue( context, source ); 46 return OgnlOps.less( v1, v2 ) ? Boolean.TRUE : Boolean.FALSE; 47 } 48 49 public String getExpressionOperator( int index ) 50 { 51 return "<"; 52 } 53 54 public String getComparisonFunction() 55 { 56 return "org.apache.commons.ognl.OgnlOps.less"; 57 } 58 59 public <R, P> R accept( NodeVisitor<? extends R, ? super P> visitor, P data ) 60 throws OgnlException 61 { 62 return visitor.visit( this, data ); 63 } 64 }