| package org.apache.commons.ognl; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /** |
| * $Id$ |
| */ |
| public class ASTInstanceof |
| extends SimpleNode |
| implements NodeType |
| { |
| private String targetType; |
| |
| public ASTInstanceof( int id ) |
| { |
| super( id ); |
| } |
| |
| public ASTInstanceof( OgnlParser p, int id ) |
| { |
| super( p, id ); |
| } |
| |
| void setTargetType( String targetType ) |
| { |
| this.targetType = targetType; |
| } |
| |
| String getTargetType() |
| { |
| return targetType; |
| } |
| |
| protected Object getValueBody( OgnlContext context, Object source ) |
| throws OgnlException |
| { |
| Object value = children[0].getValue( context, source ); |
| return OgnlRuntime.isInstance( context, value, targetType ) ? Boolean.TRUE : Boolean.FALSE; |
| } |
| |
| public Class getGetterClass() |
| { |
| return boolean.class; |
| } |
| |
| public Class getSetterClass() |
| { |
| return null; |
| } |
| |
| public String toGetSourceString( OgnlContext context, Object target ) |
| { |
| try |
| { |
| |
| String ret = ""; |
| |
| if (children[0] instanceof ASTConst) |
| { |
| ret = ( (Boolean) getValueBody( context, target ) ).toString(); |
| } |
| else |
| { |
| ret = children[0].toGetSourceString( context, target ) + " instanceof " + targetType; |
| } |
| context.setCurrentType( Boolean.TYPE ); |
| |
| return ret; |
| |
| } |
| catch ( Throwable t ) |
| { |
| throw OgnlOps.castToRuntime( t ); |
| } |
| } |
| |
| public String toSetSourceString( OgnlContext context, Object target ) |
| { |
| return toGetSourceString( context, target ); |
| } |
| |
| public <R, P> R accept( NodeVisitor<? extends R, ? super P> visitor, P data ) |
| throws OgnlException |
| { |
| return visitor.visit( this, data ); |
| } |
| } |