Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/server/DescribeArtifactServiceImpl.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 | bc06a671ef60 |
children |
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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.utils.ClientProtocolUtils; 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.Artifact; import de.intevation.flys.client.client.services.DescribeArtifactService; /** * This interface provides artifact specific operation DESCRIBE. * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class DescribeArtifactServiceImpl extends RemoteServiceServlet implements DescribeArtifactService { private static final Logger logger = Logger.getLogger(DescribeArtifactServiceImpl.class); public static final String ERROR_DESCRIBE_ARTIFACT = "error_describe_artifact"; public Artifact describe(String locale, Artifact artifact) throws ServerException { logger.info("DescribeArtifactServiceImpl.describe"); String url = getServletContext().getInitParameter("server-url"); Document describe = ClientProtocolUtils.newDescribeDocument( artifact.getUuid(), artifact.getHash(), true); HttpClient client = new HttpClientImpl(url, locale); try { logger.debug("Start Http request now."); Document description = (Document) client.describe( new de.intevation.artifacts.httpclient.objects.Artifact( artifact.getUuid(), artifact.getHash()), describe, new DocumentResponseHandler()); if (description != null) { logger.debug("Finished Http request sucessfully!"); return (Artifact) new FLYSArtifactCreator().create(description); } } catch (ConnectionException ce) { ce.printStackTrace(); } throw new ServerException(ERROR_DESCRIBE_ARTIFACT); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :