Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/server/DoCollectionAction.java @ 3497:88feb3347aa5
Implement a ProxyServlet
Implement a ProxyServlet to be able to restrict the access to the
mapserver too. All queries to the provided map services should go throught
this new ProxyServlet. Currently the ProxyServlet can only handle HTTP GET
requests.
flys-client/trunk@5221 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Bjoern Ricks <bjoern.ricks@intevation.de> |
---|---|
date | Thu, 16 Aug 2012 14:42:36 +0000 |
parents | ab8eb2f544f2 |
children |
line wrap: on
line source
package de.intevation.flys.client.server; import org.w3c.dom.Document; import org.apache.log4j.Logger; import com.google.gwt.user.server.rpc.RemoteServiceServlet; import de.intevation.artifacts.common.ArtifactNamespaceContext; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifacts.httpclient.exceptions.ConnectionException; import de.intevation.artifacts.httpclient.http.HttpClient; import de.intevation.artifacts.httpclient.http.HttpClientImpl; import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler; import de.intevation.flys.client.shared.exceptions.ServerException; import de.intevation.flys.client.shared.model.Collection; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class DoCollectionAction extends RemoteServiceServlet { private static final Logger logger = Logger.getLogger(DoCollectionAction.class); public static final String XPATH_RESULT = "/art:result/text()"; public static final String OPERATION_FAILURE = "FAILED"; public static final String FAILURE_EXCEPTION = "collection_action_failed"; protected void doAction(Collection c, Document action, String url) throws ServerException { logger.info("DoCollectionAction.doAction"); HttpClient client = new HttpClientImpl(url); try { Document res = (Document) client.doCollectionAction( action, c.identifier(), new DocumentResponseHandler()); String result = XMLUtils.xpathString( res, XPATH_RESULT, ArtifactNamespaceContext.INSTANCE); if (result == null || result.equals(OPERATION_FAILURE)) { logger.error("Operation failed."); throw new ServerException(FAILURE_EXCEPTION); } } catch (ConnectionException ce) { logger.error(ce, ce); throw new ServerException(FAILURE_EXCEPTION); } } }