Mercurial > dive4elements > river
comparison flys-client/src/main/java/org/dive4elements/river/client/server/MetaDataServiceImpl.java @ 5834:f507086aa94b
Repaired internal references.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 12:31:32 +0200 |
| parents | flys-client/src/main/java/de/intevation/flys/client/server/MetaDataServiceImpl.java@2dac0e5b927e |
| children | 821a02bbfb4e |
comparison
equal
deleted
inserted
replaced
| 5833:a2bdc0f524e8 | 5834:f507086aa94b |
|---|---|
| 1 package de.intevation.flys.client.server; | |
| 2 | |
| 3 import org.w3c.dom.Document; | |
| 4 import org.w3c.dom.Element; | |
| 5 | |
| 6 import org.apache.log4j.Logger; | |
| 7 | |
| 8 import com.google.gwt.user.server.rpc.RemoteServiceServlet; | |
| 9 | |
| 10 import de.intevation.artifacts.common.ArtifactNamespaceContext; | |
| 11 | |
| 12 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 13 | |
| 14 import de.intevation.flys.client.shared.exceptions.ServerException; | |
| 15 | |
| 16 import de.intevation.flys.client.client.services.MetaDataService; | |
| 17 | |
| 18 import de.intevation.artifacts.httpclient.exceptions.ConnectionException; | |
| 19 | |
| 20 import de.intevation.artifacts.httpclient.http.HttpClient; | |
| 21 import de.intevation.artifacts.httpclient.http.HttpClientImpl; | |
| 22 | |
| 23 import de.intevation.flys.client.shared.model.DataCageTree; | |
| 24 | |
| 25 import de.intevation.flys.client.server.meta.Converter; | |
| 26 | |
| 27 /** | |
| 28 * Service that returns certain meta-data from the backends data, polished to | |
| 29 * inclusion into current project. | |
| 30 */ | |
| 31 public class MetaDataServiceImpl | |
| 32 extends RemoteServiceServlet | |
| 33 implements MetaDataService | |
| 34 { | |
| 35 /** Our very own logger. */ | |
| 36 private static final Logger logger = | |
| 37 Logger.getLogger(MetaDataServiceImpl.class); | |
| 38 | |
| 39 public static final String ERROR_NO_META_DATA_FOUND = | |
| 40 "error_no_meta_data_found"; | |
| 41 | |
| 42 | |
| 43 /** | |
| 44 * @param locale needed for i18n. | |
| 45 * @param artifactId ID of masterartifact (can be null) | |
| 46 * @param userId can be null | |
| 47 * @param outs can be null | |
| 48 * @param parameters can be null or parameters like "load-system:true;key:value" | |
| 49 */ | |
| 50 @Override | |
| 51 public DataCageTree getMetaData( | |
| 52 String locale, | |
| 53 String artifactId, | |
| 54 String userId, | |
| 55 String outs, | |
| 56 String parameters | |
| 57 ) throws ServerException | |
| 58 { | |
| 59 logger.info("MetaDataService.getMetaData"); | |
| 60 | |
| 61 // Create the query document. | |
| 62 String url = getServletContext().getInitParameter("server-url"); | |
| 63 | |
| 64 Document doc = XMLUtils.newDocument(); | |
| 65 | |
| 66 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( | |
| 67 doc, | |
| 68 ArtifactNamespaceContext.NAMESPACE_URI, | |
| 69 ArtifactNamespaceContext.NAMESPACE_PREFIX); | |
| 70 | |
| 71 Element meta = ec.create("meta"); | |
| 72 | |
| 73 if (artifactId != null) { | |
| 74 Element artifactEl = ec.create("artifact-id"); | |
| 75 artifactEl.setAttribute("value", artifactId); | |
| 76 meta.appendChild(artifactEl); | |
| 77 } | |
| 78 | |
| 79 if (userId != null) { | |
| 80 Element userEl = ec.create("user-id"); | |
| 81 userEl.setAttribute("value", userId); | |
| 82 meta.appendChild(userEl); | |
| 83 } | |
| 84 | |
| 85 if (outs != null) { | |
| 86 Element outsEl = ec.create("outs"); | |
| 87 outsEl.setAttribute("value", outs); | |
| 88 meta.appendChild(outsEl); | |
| 89 } | |
| 90 | |
| 91 if (parameters != null) { | |
| 92 Element paramsEl = ec.create("parameters"); | |
| 93 paramsEl.setAttribute("value", parameters); | |
| 94 meta.appendChild(paramsEl); | |
| 95 } | |
| 96 | |
| 97 doc.appendChild(meta); | |
| 98 | |
| 99 // Fire. | |
| 100 HttpClient client = new HttpClientImpl(url, locale); | |
| 101 | |
| 102 try { | |
| 103 Converter converter = new Converter(); | |
| 104 return converter.convert(client.callService(url, "metadata", doc)); | |
| 105 } | |
| 106 catch (ConnectionException ce) { | |
| 107 ce.printStackTrace(); | |
| 108 } | |
| 109 | |
| 110 throw new ServerException(ERROR_NO_META_DATA_FOUND); | |
| 111 } | |
| 112 } | |
| 113 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |