Mercurial > dive4elements > river
comparison gwt-client/src/main/java/org/dive4elements/river/client/server/CSVExportServiceImpl.java @ 5838:5aa05a7a34b7
Rename modules to more fitting names.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 15:23:37 +0200 |
| parents | flys-client/src/main/java/org/dive4elements/river/client/server/CSVExportServiceImpl.java@821a02bbfb4e |
| children | 172338b1407f |
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| 5837:d9901a08d0a6 | 5838:5aa05a7a34b7 |
|---|---|
| 1 package org.dive4elements.river.client.server; | |
| 2 | |
| 3 import java.util.ArrayList; | |
| 4 import java.util.List; | |
| 5 | |
| 6 import java.io.Reader; | |
| 7 import java.io.InputStream; | |
| 8 import java.io.InputStreamReader; | |
| 9 import java.io.IOException; | |
| 10 | |
| 11 import org.w3c.dom.Document; | |
| 12 import org.w3c.dom.Element; | |
| 13 | |
| 14 import org.apache.log4j.Logger; | |
| 15 | |
| 16 import com.google.gwt.user.server.rpc.RemoteServiceServlet; | |
| 17 | |
| 18 import au.com.bytecode.opencsv.CSVReader; | |
| 19 | |
| 20 import org.dive4elements.artifacts.common.ArtifactNamespaceContext; | |
| 21 import org.dive4elements.artifacts.common.utils.XMLUtils; | |
| 22 | |
| 23 import org.dive4elements.artifacts.httpclient.http.HttpClient; | |
| 24 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl; | |
| 25 | |
| 26 import org.dive4elements.river.client.shared.exceptions.ServerException; | |
| 27 import org.dive4elements.river.client.client.services.CSVExportService; | |
| 28 | |
| 29 | |
| 30 /** | |
| 31 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> | |
| 32 */ | |
| 33 public class CSVExportServiceImpl | |
| 34 extends RemoteServiceServlet | |
| 35 implements CSVExportService | |
| 36 { | |
| 37 private static final Logger logger = | |
| 38 Logger.getLogger(CSVExportServiceImpl.class); | |
| 39 | |
| 40 | |
| 41 public static final String ERROR_NO_EXPORT_FOUND = | |
| 42 "error_no_export_found"; | |
| 43 | |
| 44 public List<String[]> getCSV( | |
| 45 String locale, | |
| 46 String uuid, | |
| 47 String name) | |
| 48 throws ServerException | |
| 49 { | |
| 50 logger.info("CSVExportServiceImpl.getCSV"); | |
| 51 | |
| 52 String url = getServletContext().getInitParameter("server-url"); | |
| 53 | |
| 54 Document requestDoc = XMLUtils.newDocument(); | |
| 55 | |
| 56 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( | |
| 57 requestDoc, | |
| 58 ArtifactNamespaceContext.NAMESPACE_URI, | |
| 59 ArtifactNamespaceContext.NAMESPACE_PREFIX); | |
| 60 | |
| 61 Element action = ec.create("action"); | |
| 62 ec.addAttr(action, "type", "csv", true); | |
| 63 ec.addAttr(action, "name", name, true); | |
| 64 | |
| 65 requestDoc.appendChild(action); | |
| 66 | |
| 67 HttpClient client = new HttpClientImpl(url, locale); | |
| 68 | |
| 69 try { | |
| 70 InputStream in = client.collectionOut(requestDoc, uuid, "export"); | |
| 71 Reader reader = new InputStreamReader (in, "UTF-8"); | |
| 72 CSVReader csvReader = new CSVReader (reader); | |
| 73 | |
| 74 List<String[]> lines = new ArrayList<String[]>(); | |
| 75 String[] line = null; | |
| 76 | |
| 77 while ((line = csvReader.readNext()) != null) { | |
| 78 if (line != null) { | |
| 79 if (!line[0].startsWith("#") && line.length > 0) { | |
| 80 if (line[0].replace("'", "").length() > 0) { | |
| 81 lines.add(line); | |
| 82 } | |
| 83 } | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 return lines; | |
| 88 } | |
| 89 catch (IOException ce) { | |
| 90 logger.error(ce.getLocalizedMessage()); | |
| 91 } | |
| 92 | |
| 93 throw new ServerException(ERROR_NO_EXPORT_FOUND); | |
| 94 } | |
| 95 } | |
| 96 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |