Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/CSVExportServiceImpl.java @ 1425:bc06a671ef60

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Removed the URL parameter from service calls. The service implementations read the URL from the web.xml config file now. flys-client/trunk@3367 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Thu, 08 Dec 2011 09:12:27 +0000
parents ab8eb2f544f2
children 6e694603cde1
rev   line source
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1 package de.intevation.flys.client.server;
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2
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3 import java.util.List;
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4
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5 import java.io.Reader;
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6 import java.io.InputStream;
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7 import java.io.InputStreamReader;
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8 import java.io.IOException;
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9
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10 import org.w3c.dom.Document;
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11 import org.w3c.dom.Element;
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12
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13 import org.apache.log4j.Logger;
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256
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15 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
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16
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17 import au.com.bytecode.opencsv.CSVReader;
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18
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19 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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20 import de.intevation.artifacts.common.utils.XMLUtils;
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21
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22 import de.intevation.artifacts.httpclient.http.HttpClient;
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23 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
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24
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25 import de.intevation.flys.client.shared.exceptions.ServerException;
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26 import de.intevation.flys.client.client.services.CSVExportService;
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27
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28
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29 /**
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30 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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31 */
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32 public class CSVExportServiceImpl
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33 extends RemoteServiceServlet
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34 implements CSVExportService
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35 {
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36 private static final Logger logger =
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37 Logger.getLogger(CSVExportServiceImpl.class);
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38
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39
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40 public static final String ERROR_NO_EXPORT_FOUND =
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41 "error_no_export_found";
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42
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43 public List<String[]> getCSV(
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44 String locale,
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45 String uuid,
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46 String name)
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47 throws ServerException
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48 {
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49 logger.info("CSVExportServiceImpl.getCSV");
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50
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51 String url = getServletContext().getInitParameter("server-url");
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52
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53 Document requestDoc = XMLUtils.newDocument();
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54
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55 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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56 requestDoc,
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57 ArtifactNamespaceContext.NAMESPACE_URI,
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58 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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59
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60 Element action = ec.create("action");
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61 ec.addAttr(action, "type", "csv", true);
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62 ec.addAttr(action, "name", name, true);
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63
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64 requestDoc.appendChild(action);
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65
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66 HttpClient client = new HttpClientImpl(url, locale);
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67 try {
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68 InputStream in = client.collectionOut(requestDoc, uuid, "export");
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69 Reader reader = new InputStreamReader (in, "UTF-8");
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70 CSVReader csvReader = new CSVReader (reader);
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71
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72 return (List<String[]>) csvReader.readAll ();
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73 }
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74 catch (IOException ce) {
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75 logger.error(ce.getLocalizedMessage());
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76 }
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77
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78 throw new ServerException(ERROR_NO_EXPORT_FOUND);
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79 }
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80 }
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81 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org