/*
* Geotoolkit - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2008 - 2009, Geomatys
*
* 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; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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.geotoolkit.sld;
import java.util.Collection;
import java.util.EventObject;
import java.util.List;
import javax.swing.event.EventListenerList;
import org.geotoolkit.util.collection.CollectionChangeEvent;
import org.geotoolkit.util.collection.CollectionChangeListener;
import org.apache.sis.measure.NumberRange;
import org.geotoolkit.util.collection.NotifiedCheckedList;
import org.opengis.sld.Constraint;
import org.opengis.sld.CoverageConstraint;
import org.opengis.sld.SLDVisitor;
/**
* Default mutable coverage constraints, thread safe.
*
* @author Johann Sorel (Geomatys)
* @module
*/
class DefaultMutableLayerCoverageConstraints implements MutableLayerCoverageConstraints{
private final List<CoverageConstraint> constraints = new NotifiedCheckedList<CoverageConstraint>(CoverageConstraint.class) {
@Override
protected Object getLock() {
return DefaultMutableLayerCoverageConstraints.this;
}
@Override
protected void notifyAdd(final CoverageConstraint item, final int index) {
fireLibraryChange(CollectionChangeEvent.ITEM_ADDED, item, NumberRange.create(index, true, index, true) );
}
@Override
protected void notifyAdd(final Collection<? extends CoverageConstraint> items, final NumberRange<Integer> range) {
fireLibraryChange(CollectionChangeEvent.ITEM_ADDED, items, range);
}
@Override
protected void notifyRemove(final CoverageConstraint item, final int index) {
fireLibraryChange(CollectionChangeEvent.ITEM_REMOVED, item, NumberRange.create(index, true, index, true) );
}
@Override
protected void notifyRemove(final Collection<? extends CoverageConstraint> items, final NumberRange<Integer> range) {
fireLibraryChange(CollectionChangeEvent.ITEM_REMOVED, items, range );
}
@Override
protected void notifyChange(CoverageConstraint oldItem, CoverageConstraint newItem, int index) {
fireLibraryChange(CollectionChangeEvent.ITEM_CHANGED, oldItem, NumberRange.create(index, true, index, true) );
}
};
private final EventListenerList listeners = new EventListenerList();
/**
* default constructor
*/
DefaultMutableLayerCoverageConstraints(){
}
/**
* {@inheritDoc }
* This method is thread safe.
* This is the live list.
*/
@Override
public List<CoverageConstraint> constraints() {
return constraints;
}
/**
* {@inheritDoc }
*/
@Override
public Object accept(final SLDVisitor visitor, final Object extraData) {
return visitor.visit(this, extraData);
}
//--------------------------------------------------------------------------
// listeners management ----------------------------------------------------
//--------------------------------------------------------------------------
protected void fireLibraryChange(final int type, final CoverageConstraint lib, final NumberRange<Integer> range) {
//TODO make fire property change thread safe, preserve fire order
final CollectionChangeEvent<CoverageConstraint> event = new CollectionChangeEvent<CoverageConstraint>(this, lib, type, range, null);
final CollectionChangeListener[] lists = listeners.getListeners(CollectionChangeListener.class);
for(CollectionChangeListener listener : lists){
listener.collectionChange(event);
}
}
protected void fireLibraryChange(final int type, final CoverageConstraint lib, final NumberRange<Integer> range, final EventObject subEvent) {
//TODO make fire property change thread safe, preserve fire order
final CollectionChangeEvent<CoverageConstraint> event = new CollectionChangeEvent<CoverageConstraint>(this, lib, type, range,subEvent);
final CollectionChangeListener[] lists = listeners.getListeners(CollectionChangeListener.class);
for(CollectionChangeListener listener : lists){
listener.collectionChange(event);
}
}
protected void fireLibraryChange(final int type, final Collection<? extends CoverageConstraint> lib, final NumberRange<Integer> range){
//TODO make fire property change thread safe, preserve fire order
final CollectionChangeEvent<CoverageConstraint> event = new CollectionChangeEvent<CoverageConstraint>(this,lib,type,range, null);
final CollectionChangeListener[] lists = listeners.getListeners(CollectionChangeListener.class);
for(CollectionChangeListener listener : lists){
listener.collectionChange(event);
}
}
/**
* {@inheritDoc }
*/
@Override
public void addListener(final CollectionChangeListener<? extends Constraint> listener) {
listeners.add(CollectionChangeListener.class, listener);
}
/**
* {@inheritDoc }
*/
@Override
public void removeListener(final CollectionChangeListener<? extends Constraint> listener) {
listeners.remove(CollectionChangeListener.class, listener);
}
/**
* {@inheritDoc }
*/
@Override
public boolean equals(final Object obj) {
if(this == obj){
return true;
}
if(obj == null || !this.getClass().equals(obj.getClass()) ){
return false;
}
DefaultMutableLayerCoverageConstraints other = (DefaultMutableLayerCoverageConstraints) obj;
return this.constraints.equals(other.constraints);
}
/**
* {@inheritDoc }
*/
@Override
public int hashCode() {
return constraints.hashCode() ;
}
/**
* {@inheritDoc }
*/
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("[MutableLayerCoverageConstraint : ConstraintSize=");
builder.append(constraints.size());
builder.append(']');
return builder.toString();
}
}