Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/FileUploadService.java @ 2641:2bad13107161

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Make file upload cross platform. flys-artifacts/trunk@4296 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 25 Apr 2012 14:21:09 +0000
parents b484318ca9c6
children c11da3540b70
rev   line source
2639
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Raimund Renkert <raimund.renkert@intevation.de>
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1 package de.intevation.flys.artifacts.services;
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2
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3 import java.io.File;
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4 import java.io.FileOutputStream;
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5 import java.io.IOException;
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6 import java.io.FileNotFoundException;
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7
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8 import org.apache.log4j.Logger;
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9
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10 import org.apache.commons.codec.binary.Base64;
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11
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12 import org.w3c.dom.Document;
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13 import org.w3c.dom.Element;
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14
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Raimund Renkert <raimund.renkert@intevation.de>
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15 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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16 import de.intevation.artifacts.common.utils.XMLUtils;
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17 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
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18 import de.intevation.artifacts.common.utils.FileTools;
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19
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20 import de.intevation.artifacts.CallMeta;
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21 import de.intevation.artifacts.GlobalContext;
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22
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Raimund Renkert <raimund.renkert@intevation.de>
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23 import de.intevation.flys.utils.FLYSUtils;
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24
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Raimund Renkert <raimund.renkert@intevation.de>
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25 /**
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26 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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27 */
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28 public class FileUploadService extends FLYSService {
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29
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30 /** The logger used in this service.*/
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31 private static Logger logger = Logger.getLogger(FileUploadService.class);
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32
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33 /** XPath that points to the artifact uuid.*/
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34 public static final String XPATH_ARTIFACT_UUID =
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Raimund Renkert <raimund.renkert@intevation.de>
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35 "/upload/artifact-uuid/text()";
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36
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37 /** XPath that points to the base64 encoded data.*/
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38 public static final String XPATH_DATA = "/upload/data/text()";
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39
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40 public FileUploadService() {
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41 }
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42
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43
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44 @Override
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Raimund Renkert <raimund.renkert@intevation.de>
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45 protected Document doProcess(
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Raimund Renkert <raimund.renkert@intevation.de>
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46 Document data,
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47 GlobalContext context,
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Raimund Renkert <raimund.renkert@intevation.de>
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48 CallMeta callMeta
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49 ) {
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50 logger.debug("FileUploadService.process");
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51
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52 String uuid = extractUuid(data);
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53
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54 byte[] fileData = extractData(data);
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55 if (fileData != null) {
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56 try {
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57 String shapePath = FLYSUtils.getXPathString(
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58 FLYSUtils.XPATH_SHAPEFILE_DIR);
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59
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60 File artifactDir = FileTools.getDirectory(shapePath, uuid);
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61 FileOutputStream fos =
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2bad13107161 Make file upload cross platform.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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62 new FileOutputStream(
2bad13107161 Make file upload cross platform.
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63 new File(artifactDir, "user-rgd.zip"));
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64 try {
2bad13107161 Make file upload cross platform.
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65 fos.write(fileData);
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66 }
2bad13107161 Make file upload cross platform.
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67 finally {
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68 fos.close();
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69 }
2639
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70 }
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71 catch (IOException ioe) {
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72 logger.warn(ioe, ioe);
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73 }
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74 }
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75 else {
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b484318ca9c6 Make it compilable again.
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76 logger.debug("No data in uploaded xml.");
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77 }
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78
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79 Document doc = XMLUtils.newDocument();
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80 ElementCreator ec = new ElementCreator(doc, null, null);
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81 Element resp = ec.create("response");
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82 doc.appendChild(resp);
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83
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84 return doc;
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85 }
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86
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87
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88 protected String extractUuid(Document data) {
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89 return XMLUtils.xpathString(
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90 data, XPATH_ARTIFACT_UUID, ArtifactNamespaceContext.INSTANCE);
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91 }
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92
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93
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94 protected byte[] extractData(Document data) {
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95 String b64Data = XMLUtils.xpathString(
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96 data, XPATH_DATA, ArtifactNamespaceContext.INSTANCE);
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97
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98 if (b64Data != null && b64Data != "") {
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99 byte[] fileData = Base64.decodeBase64(b64Data);
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100 return fileData;
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101 }
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102 return null;
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103 }
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104 }
http://dive4elements.wald.intevation.org