blob: b0973e85055dad8d33c9faf996bb96f4d76c6fcc [file] [log] [blame]
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 );
}
}