WorldWindRetrievalService.java

/*******************************************************************************
 * 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.core.worldwind;

import gov.nasa.worldwind.retrieve.RetrievalFuture;
import gov.nasa.worldwind.retrieve.Retriever;
import gov.nasa.worldwind.retrieve.URLRetriever;
import au.gov.ga.earthsci.core.retrieve.RetrievalService;
import au.gov.ga.earthsci.worldwind.common.retrieve.ExtendedRetrievalService;

/**
 * {@link RetrievalService} that redirects url retrievals through our retrieval
 * system.
 * 
 * @author Michael de Hoog (michael.dehoog@ga.gov.au)
 */
public class WorldWindRetrievalService extends ExtendedRetrievalService
{
	@Override
	public synchronized RetrievalFuture runRetriever(Retriever retriever, double priority)
	{
		if (retriever instanceof URLRetriever)
		{
			retriever = new URLRetrieverWrapper((URLRetriever) retriever);
		}
		return super.runRetriever(retriever, priority);
	}
}