/* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2011, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.catalog.internal.wms.tileset;
import java.io.IOException;
import javax.management.ServiceNotFoundException;
import org.locationtech.udig.catalog.IGeoResource;
import org.locationtech.udig.catalog.IResolve;
import org.locationtech.udig.catalog.IResolveAdapterFactory;
import org.locationtech.udig.catalog.internal.wms.WmsPlugin;
import org.locationtech.udig.catalog.wmsc.WMSCTileUtils;
import org.locationtech.udig.catalog.wmsc.server.TileSet;
import org.locationtech.udig.catalog.wmsc.server.TiledWebMapServer;
import org.locationtech.udig.project.ui.preferences.PreferenceConstants;
import org.eclipse.core.runtime.IProgressMonitor;
import org.geotools.data.ows.AbstractOpenWebService;
import org.geotools.data.wms.WebMapServer;
/**
* Allow any WebMapServer to supply a TileSet definition under user control (allowing it to
* behave as a tile server with the results cached to disk).
* <p>
* This IResolveAdaptorFactory is controlled via {@link IGeoResource#getPersistentProperties()}
* using the {@link PreferenceConstants#P_TILESET_ON_OFF} to control TileSet generation.
*
* @see TileSetPropertyPage
* @author jhudson
* @since 1.3.0
*/
public class WMSCTileSetAdapter implements IResolveAdapterFactory {
@Override
public boolean canAdapt( IResolve resolve, Class<?> adapter ) {
if (adapter.isAssignableFrom(TileSet.class)) {
IGeoResource resource = (IGeoResource) resolve;
Boolean enabled = (Boolean) resource.getPersistentProperties()
.get(PreferenceConstants.P_TILESET_ON_OFF);
if (enabled==null || !enabled) {
return false;
}
return true;
}
return false;
}
@Override
public <T> T adapt( IResolve resolve, Class< T> adapter,
IProgressMonitor monitor ) throws IOException {
AbstractOpenWebService< ? , ? > server = null;
if (resolve.canResolve(WebMapServer.class)) {
server = resolve.resolve(WebMapServer.class, monitor);
}
else if (resolve.canResolve(TiledWebMapServer.class)) {
server = resolve.resolve(TiledWebMapServer.class, monitor);
}
else {
// if there is no server for the tiles to come from, we can't/wont continue
WmsPlugin.trace("WMS or WMST required", new ServiceNotFoundException()); //$NON-NLS-1$
return null;
}
if (resolve instanceof IGeoResource && adapter.isAssignableFrom(TileSet.class)) {
IGeoResource resource = (IGeoResource) resolve;
TileSet tileSet = WMSCTileUtils.toTileSet(resource, server, monitor);
return adapter.cast( tileSet );
}
return null;
}
}