Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/MetaDataServiceImpl.java @ 1289:d59dcaf52796

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Improved error handling if no calculation result data was found. flys-client/trunk@2879 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 04 Oct 2011 07:55:43 +0000
parents a1a5dc2b9e34
children ab8eb2f544f2
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1 package de.intevation.flys.client.server;
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2
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3 import org.w3c.dom.Document;
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4 import org.w3c.dom.Element;
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5
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6 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
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7
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8 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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9
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10 import de.intevation.artifacts.common.utils.XMLUtils;
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11
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12 import de.intevation.flys.client.shared.exceptions.ServerException;
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13
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14 import de.intevation.flys.client.client.services.MetaDataService;
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16 import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
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17
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18 import de.intevation.artifacts.httpclient.http.HttpClient;
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19 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
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20
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21 import de.intevation.flys.client.shared.model.DataCageTree;
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23 import de.intevation.flys.client.server.meta.Converter;
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24
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25 public class MetaDataServiceImpl
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26 extends RemoteServiceServlet
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27 implements MetaDataService
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28 {
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29 public static final String ERROR_NO_META_DATA_FOUND =
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30 "error_no_meta_data_found";
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32 @Override
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33 public DataCageTree getMetaData(
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34 String url,
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35 String locale,
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36 String artifactId,
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37 String userId,
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38 String outs,
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39 String parameters
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40 ) throws ServerException
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41 {
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42 System.out.println("MetaDataService.getMetaData");
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43
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44 Document doc = XMLUtils.newDocument();
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45
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46 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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47 doc,
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48 ArtifactNamespaceContext.NAMESPACE_URI,
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49 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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50
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51 Element meta = ec.create("meta");
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52
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53 if (artifactId != null) {
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54 Element artifactEl = ec.create("artifact-id");
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55 artifactEl.setAttribute("value", artifactId);
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56 meta.appendChild(artifactEl);
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57 }
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58
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59 if (userId != null) {
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60 Element userEl = ec.create("user-id");
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61 userEl.setAttribute("value", userId);
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62 meta.appendChild(userEl);
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63 }
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64
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65 if (outs != null) {
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66 Element outsEl = ec.create("outs");
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67 outsEl.setAttribute("value", outs);
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68 meta.appendChild(outsEl);
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69 }
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70
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71 if (parameters != null) {
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72 Element paramsEl = ec.create("parameters");
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73 paramsEl.setAttribute("value", parameters);
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74 meta.appendChild(paramsEl);
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75 }
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76
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77 doc.appendChild(meta);
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78
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79 HttpClient client = new HttpClientImpl(url, locale);
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80
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81 try {
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82 Converter converter = new Converter();
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83 return converter.convert(client.callService(url, "metadata", doc));
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84 }
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85 catch (ConnectionException ce) {
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86 ce.printStackTrace();
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87 }
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88
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89 throw new ServerException(ERROR_NO_META_DATA_FOUND);
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90 }
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91 }
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92 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org