/*******************************************************************************
* Copyright 2012 Geoscience Australia
*
* 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 au.gov.ga.earthsci.worldwind.common.layers.curtain.delegate;
import gov.nasa.worldwind.avlist.AVList;
import gov.nasa.worldwind.util.TileKey;
import org.w3c.dom.Element;
import au.gov.ga.earthsci.worldwind.common.layers.curtain.CurtainLevel;
import au.gov.ga.earthsci.worldwind.common.layers.curtain.Segment;
import au.gov.ga.earthsci.worldwind.common.layers.delegate.IDelegate;
import au.gov.ga.earthsci.worldwind.common.util.Util;
/**
* {@link ICurtainTileFactoryDelegate} implementation which creates new
* {@link DelegatorCurtainTextureTile} objects.
*
* @author Michael de Hoog (michael.dehoog@ga.gov.au)
*/
public class CurtainTextureTileFactoryDelegate implements ICurtainTileFactoryDelegate
{
private final static String DEFINITION_STRING = "CurtainTextureTile";
public static TileKey appendToTileKeyCacheName(TileKey tileKey, String cacheName)
{
return new TileKey(tileKey.getLevelNumber(), tileKey.getRow(), tileKey.getColumn(), tileKey.getCacheName()
+ cacheName);
}
private final String random = "_" + Util.randomString(8);
@Override
public DelegatorCurtainTextureTile createTextureTile(Segment segment, CurtainLevel level, int row, int col)
{
return new DelegatorCurtainTextureTile(segment, level, row, col, this);
}
@Override
public TileKey transformTileKey(TileKey tileKey)
{
return appendToTileKeyCacheName(tileKey, random);
}
@Override
public IDelegate fromDefinition(String definition, Element layerElement, AVList params)
{
if (definition.equalsIgnoreCase(DEFINITION_STRING))
return new CurtainTextureTileFactoryDelegate();
return null;
}
@Override
public String toDefinition(Element layerElement)
{
return DEFINITION_STRING;
}
}