| 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. |
| */ |
| |
| import org.apache.commons.ognl.enhance.UnsupportedCompilationException; |
| |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.List; |
| |
| /** |
| * $Id$ |
| */ |
| class ASTProject |
| extends SimpleNode |
| { |
| |
| public ASTProject( int id ) |
| { |
| super( id ); |
| } |
| |
| public ASTProject( OgnlParser p, int id ) |
| { |
| super( p, id ); |
| } |
| |
| protected Object getValueBody( OgnlContext context, Object source ) |
| throws OgnlException |
| { |
| Node expr = children[0]; |
| List answer = new ArrayList(); |
| |
| ElementsAccessor elementsAccessor = OgnlRuntime.getElementsAccessor( OgnlRuntime.getTargetClass( source ) ); |
| |
| for ( Enumeration e = elementsAccessor.getElements( source ); e.hasMoreElements(); ) |
| { |
| |
| answer.add( expr.getValue( context, e.nextElement() ) ); |
| } |
| |
| return answer; |
| } |
| |
| public String toGetSourceString( OgnlContext context, Object target ) |
| { |
| throw new UnsupportedCompilationException( "Projection expressions not supported as native java yet." ); |
| } |
| |
| public String toSetSourceString( OgnlContext context, Object target ) |
| { |
| throw new UnsupportedCompilationException( "Projection expressions not supported as native java yet." ); |
| } |
| |
| public <R, P> R accept( NodeVisitor<? extends R, ? super P> visitor, P data ) |
| throws OgnlException |
| { |
| return visitor.visit( this, data ); |
| } |
| } |