Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/server/MetaDataServiceImpl.java @ 4488:5041105d2edd
Check if response code from GGInA is 200 OK
Only parse the GGInA response if the status code is 200 OK. This improves the
error message if GGInA is not available and shows the real reason instead of a
JDOM error while parsing the response.
author | Björn Ricks <bjoern.ricks@intevation.de> |
---|---|
date | Wed, 14 Nov 2012 10:36:21 +0100 |
parents | f2039d030b5e |
children | 2dac0e5b927e |
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package de.intevation.flys.client.server; import org.w3c.dom.Document; import org.w3c.dom.Element; 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.flys.client.shared.exceptions.ServerException; import de.intevation.flys.client.client.services.MetaDataService; import de.intevation.artifacts.httpclient.exceptions.ConnectionException; import de.intevation.artifacts.httpclient.http.HttpClient; import de.intevation.artifacts.httpclient.http.HttpClientImpl; import de.intevation.flys.client.shared.model.DataCageTree; import de.intevation.flys.client.server.meta.Converter; /** * Service that returns certain meta-data from the backends data, polished to * inclusion into current project. */ public class MetaDataServiceImpl extends RemoteServiceServlet implements MetaDataService { /** Our very own logger. */ private static final Logger logger = Logger.getLogger(MetaDataServiceImpl.class); public static final String ERROR_NO_META_DATA_FOUND = "error_no_meta_data_found"; /** * @param locale needed for i18n. * @param artifactId ID of masterartifact (can be null) * @param userId can be null * @param outs can be null * @param parameters can be null */ @Override public DataCageTree getMetaData( String locale, String artifactId, String userId, String outs, String parameters ) throws ServerException { logger.info("MetaDataService.getMetaData"); // Create the query document. String url = getServletContext().getInitParameter("server-url"); Document doc = XMLUtils.newDocument(); XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( doc, ArtifactNamespaceContext.NAMESPACE_URI, ArtifactNamespaceContext.NAMESPACE_PREFIX); Element meta = ec.create("meta"); if (artifactId != null) { Element artifactEl = ec.create("artifact-id"); artifactEl.setAttribute("value", artifactId); meta.appendChild(artifactEl); } if (userId != null) { Element userEl = ec.create("user-id"); userEl.setAttribute("value", userId); meta.appendChild(userEl); } if (outs != null) { Element outsEl = ec.create("outs"); outsEl.setAttribute("value", outs); meta.appendChild(outsEl); } if (parameters != null) { Element paramsEl = ec.create("parameters"); paramsEl.setAttribute("value", parameters); meta.appendChild(paramsEl); } doc.appendChild(meta); // Fire. HttpClient client = new HttpClientImpl(url, locale); try { Converter converter = new Converter(); return converter.convert(client.callService(url, "metadata", doc)); } catch (ConnectionException ce) { ce.printStackTrace(); } throw new ServerException(ERROR_NO_META_DATA_FOUND); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :