/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* 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.
*/
package org.geotools.feature.collection;
import java.util.Collection;
import java.util.Iterator;
import org.geotools.data.DataUtilities;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.data.simple.SimpleFeatureIterator;
import org.geotools.feature.CollectionListener;
import org.geotools.feature.FeatureCollection;
import org.geotools.feature.FeatureIterator;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.filter.Filter;
import org.opengis.filter.sort.SortBy;
/**
* A FeatureCollection which completley delegates to another FeatureCollection.
* <p>
* This class should be subclasses by classes which must somehow decorate
* another SimpleFeatureCollection and override the relevant methods.
* </p>
* @author Justin Deoliveira, The Open Planning Project, jdeolive@openplans.org
* @since 2.5
*
*
*
* @source $URL: http://svn.osgeo.org/geotools/trunk/modules/library/main/src/main/java/org/geotools/feature/collection/DecoratingSimpleFeatureCollection.java $
*/
public class DecoratingSimpleFeatureCollection implements SimpleFeatureCollection {
/**
* the delegate
*/
protected SimpleFeatureCollection delegate;
protected DecoratingSimpleFeatureCollection(FeatureCollection<SimpleFeatureType,SimpleFeature> delegate) {
this.delegate = DataUtilities.simple(delegate);
}
protected DecoratingSimpleFeatureCollection(SimpleFeatureCollection delegate) {
this.delegate = delegate;
}
public void accepts(org.opengis.feature.FeatureVisitor visitor,
org.opengis.util.ProgressListener progress) {
SimpleFeatureIterator it = features();
try {
Exception exception = null;
while (it.hasNext()) {
try {
visitor.visit(it.next());
} catch (Exception e) {
if (exception != null)
exception = e;
}
}
if (exception != null) {
if (exception instanceof RuntimeException) {
throw (RuntimeException) exception;
} else {
throw new RuntimeException(exception);
}
}
} finally {
close(it);
}
}
public boolean add(SimpleFeature o) {
return delegate.add(o);
}
public boolean addAll(Collection c) {
return delegate.addAll(c);
}
public boolean addAll(FeatureCollection c) {
return delegate.addAll(c);
}
public void addListener(CollectionListener listener)
throws NullPointerException {
delegate.addListener(listener);
}
public void clear() {
delegate.clear();
}
public void close(FeatureIterator<SimpleFeature> close) {
delegate.close(close);
}
public void close(Iterator<SimpleFeature> close) {
delegate.close(close);
}
public boolean contains(Object o) {
return delegate.contains(o);
}
public boolean containsAll(Collection c) {
return delegate.containsAll(c);
}
public boolean equals(Object o) {
return delegate.equals(o);
}
public SimpleFeatureIterator features() {
return delegate.features();
}
public ReferencedEnvelope getBounds() {
return delegate.getBounds();
}
public SimpleFeatureType getSchema() {
return delegate.getSchema();
}
public int hashCode() {
return delegate.hashCode();
}
public boolean isEmpty() {
return delegate.isEmpty();
}
public Iterator iterator() {
return delegate.iterator();
}
public void purge() {
delegate.purge();
}
public boolean remove(Object o) {
return delegate.remove(o);
}
public boolean removeAll(Collection c) {
return delegate.removeAll(c);
}
public void removeListener(CollectionListener listener)
throws NullPointerException {
delegate.removeListener(listener);
}
public boolean retainAll(Collection c) {
return delegate.retainAll(c);
}
public int size() {
return delegate.size();
}
public SimpleFeatureCollection sort(SortBy order) {
return delegate.sort(order);
}
public SimpleFeatureCollection subCollection(Filter filter) {
return delegate.subCollection(filter);
}
public Object[] toArray() {
return delegate.toArray();
}
public Object[] toArray(Object[] a) {
return delegate.toArray(a);
}
public String getID() {
return delegate.getID();
}
}