/**
* Project Wonderland
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., All Rights Reserved
*
* Redistributions in source code form must reproduce the above
* copyright and this condition.
*
* The contents of this file are subject to the GNU General Public
* License, Version 2 (the "License"); you may not use this file
* except in compliance with the License. A copy of the License is
* available at http://www.opensource.org/licenses/gpl-license.php.
*
* Sun designates this particular file as subject to the "Classpath"
* exception as provided by Sun in the License file that accompanied
* this code.
*/
package org.jdesktop.wonderland.client.assetmgr;
import java.util.logging.Logger;
import org.jdesktop.wonderland.client.assetmgr.AssetDB.AssetDBRecord;
import org.jdesktop.wonderland.common.AssetType;
import org.jdesktop.wonderland.common.AssetURI;
import org.jdesktop.wonderland.common.InternalAPI;
/**
* Generates Asset classes based upon the type.
*
* @author Jordan Slott <jslott@dev.java.net>
*/
@InternalAPI
public class AssetFactory {
private static Logger logger = Logger.getLogger(AssetFactory.class.getName());
/**
* Factory for creating assets of the required type, takes the type of
* asset desired (given by the AssetType enumeration) and the unique URI
* that describes the asset
*
* @param assetType The type of the asset
* @param assetID The unique ID describing the asset
* @return The new Asset, or null upon error
*/
public Asset assetFactory(AssetType assetType, AssetID assetID) {
switch(assetType) {
case FILE :
return new AssetFile(assetID);
case OTHER :
throw new RuntimeException("Not implemented");
}
return null;
}
/**
* Factory for creating assets of the required type, given the asset database
* record.
*
* @param assetRecord The database record of the asset
* @return The new Asset, or null upon error
*/
public Asset assetFactory(AssetDBRecord assetRecord) {
// Use the known set of AssetURI classes to generate one
AssetURI assetURI = AssetURI.uriFactory(assetRecord.assetURI);
if (assetURI == null) {
logger.warning("Unable to find AssetURI class for " + assetRecord.assetURI);
return null;
}
// Create the Asset class now
AssetID assetID = new AssetID(assetURI, assetRecord.checksum);
AssetType assetType = AssetType.valueOf(assetRecord.type);
Asset asset = assetFactory(assetType, assetID);
asset.setChecksum(assetRecord.checksum);
asset.setBaseURL(assetRecord.baseURL);
return asset;
}
}