/*
Copyright 2005 Simon Mieth
Licensed 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.
*/
package org.kabeja.processing;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.kabeja.dxf.DXFDocument;
import org.kabeja.dxf.DXFEntity;
import org.kabeja.dxf.DXFLayer;
/**
* This postprocessor remove all invisible entities and layers.
*
* @author <a href="mailto:simon.mieth@gmx.de">Simon Mieth</a>
*
*/
public class VisibilityFilter extends AbstractPostProcessor {
/* (non-Javadoc)
* @see org.kabeja.tools.PostProcessor#process(org.kabeja.dxf.DXFDocument)
*/
public void process(DXFDocument doc, Map<String,String> context) throws ProcessorException {
Iterator<DXFLayer> i = doc.getDXFLayerIterator();
while (i.hasNext()) {
DXFLayer l = (DXFLayer) i.next();
if (l.isVisible()) {
Iterator<String> inner = l.getDXFEntityTypeIterator();
while (inner.hasNext()) {
String type = (String) inner.next();
List<DXFEntity> entities = l.getDXFEntities(type);
Iterator<DXFEntity> ei = entities.iterator();
while (ei.hasNext()) {
DXFEntity entity = (DXFEntity) ei.next();
if (!entity.isVisibile()) {
ei.remove();
}
}
}
} else {
i.remove();
}
}
}
/* (non-Javadoc)
* @see org.kabeja.tools.PostProcessor#setProperties(java.util.Map)
*/
public void setProperties(Map<String,String> properties) {
// TODO Auto-generated method stub
}
}