/**
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @author Marius Suta / The Open Planning Project 2008
* @author Arne Kepp / The Open Planning Project 2009
*/
package org.geowebcache.rest.seed;
import java.util.HashSet;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.geowebcache.config.Configuration;
import org.geowebcache.rest.RestletException;
import org.geowebcache.seed.MassTruncateRequest;
import org.geowebcache.seed.TruncateLayerRequest;
import org.geowebcache.storage.StorageBroker;
import org.geowebcache.storage.StorageException;
import org.restlet.data.MediaType;
import org.restlet.data.Request;
import org.restlet.data.Response;
import org.restlet.data.Status;
import org.restlet.resource.Representation;
import org.restlet.resource.StringRepresentation;
import com.thoughtworks.xstream.XStream;
public class MassTruncateRestlet extends GWCSeedingRestlet {
private static Log log = LogFactory.getLog(MassTruncateRestlet.class);
private StorageBroker broker;
private Configuration config;
static final Class<?>[] DEFAULT_REQUEST_TYPES = {TruncateLayerRequest.class};
Class<?>[] requestTypes;
/**
* Responds with a simple XML document indicating the available MassRequest types.
*/
public void doGet(Request req, Response resp) throws RestletException {
Representation rep = null;
// Just use this for figuring out what the correct element names are
XStream xs = configXStream(new XStream());
// Not worth the trouble of messing with XStream for the output so just assemble some XML.
StringBuilder sb = new StringBuilder();
Set<String> result = new HashSet<String>();
sb.append("<massTruncateRequests href=\"")
.append(req.getResourceRef().toString(false, false)).append("\">");
for(Class<?> requestType: getRequestTypes()) {
String alias = xs.getMapper().serializedClass(requestType);
sb.append(" <requestType>");
sb.append(alias);
sb.append("</requestType>");
if(!result.add(alias) && log.isWarnEnabled()) {
log.warn("Duplicate MassTruncate Request type: "+alias);
}
}
sb.append("</massTruncateRequests>");
rep = new StringRepresentation(sb.toString());
rep.setMediaType(MediaType.APPLICATION_XML);
resp.setEntity(rep);
}
protected void handleRequest(Request req, Response resp, Object obj) {
MassTruncateRequest mtr = (MassTruncateRequest) obj;
try {
if(!mtr.doTruncate(broker, config)) {
throw new RestletException("Truncation failed", Status.SERVER_ERROR_INTERNAL);
}
} catch (IllegalArgumentException e) {
throw new RestletException(e.getMessage(), Status.CLIENT_ERROR_BAD_REQUEST);
} catch (StorageException e) {
throw new RestletException(e.getMessage(), Status.SERVER_ERROR_INTERNAL);
}
}
public void setStorageBroker(StorageBroker broker) {
this.broker = broker;
}
public void setConfiguration(Configuration config) {
this.config = config;
}
public Configuration getConfiguration() {
if(this.config==null) return this.xmlConfig;
return this.config;
}
protected Class<?>[] getRequestTypes() {
if(requestTypes==null) requestTypes=DEFAULT_REQUEST_TYPES;
return requestTypes;
}
@Override
protected XStream configXStream(XStream xs) {
xs = super.configXStream(xs);
xs.processAnnotations(getRequestTypes());
return xs;
}
public void setRequestTypes(Set<Class<?>> requestTypes) {
this.requestTypes = requestTypes.toArray(new Class<?>[requestTypes.size()]);
}
}