/**
* License Agreement.
*
* JBoss RichFaces - Ajax4jsf Component Library
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.richfaces.component;
import java.util.Iterator;
import javax.faces.component.UIComponent;
import org.apache.commons.collections.Predicate;
import org.apache.commons.collections.Transformer;
import org.apache.commons.collections.iterators.FilterIterator;
import org.apache.commons.collections.iterators.IteratorChain;
import org.apache.commons.collections.iterators.TransformIterator;
/**
* @author shura
*
*/
public abstract class UIDataDefinitionList extends UIDataList {
/**
* @author shura
*
*/
private final class FacetTransformer implements Transformer {
public Object transform(Object input) {
// TODO Auto-generated method stub
return getFacet((String) input);
}
}
private static final Predicate fixedPredicate = new Predicate(){
public boolean evaluate(Object input) {
// TODO Auto-generated method stub
return !"term".equals(input);
}
};
private static final Predicate termsPredicate = new Predicate(){
public boolean evaluate(Object input) {
// TODO Auto-generated method stub
return "term".equals(input);
}
};
/* (non-Javadoc)
* @see org.ajax4jsf.ajax.repeat.UIRepeat#fixedChildren()
*/
protected Iterator<UIComponent> fixedChildren() {
return filteredFacets(fixedPredicate);
}
/**
* Create iterafor on component facets, filtered by Predicate
* @param predicate - filter for select facets names.
* @return
*/
@SuppressWarnings("unchecked")
private Iterator<UIComponent> filteredFacets(Predicate predicate) {
FilterIterator fixed= new FilterIterator(getFacets().keySet().iterator(),predicate);
return new TransformIterator(fixed,new FacetTransformer());
}
/* (non-Javadoc)
* @see org.ajax4jsf.ajax.repeat.UIRepeat#dataChildren()
*/
@SuppressWarnings("unchecked")
protected Iterator<UIComponent> dataChildren() {
// TODO Auto-generated method stub
return new IteratorChain(getChildren().iterator(),filteredFacets(termsPredicate));
}
}