Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/services/FileUploadService.java @ 5994:af13ceeba52a
Removed trailing whitespace.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Sun, 12 May 2013 18:13:50 +0200 |
parents | 35b2d86c3fb5 |
children | e4606eae8ea5 |
rev | line source |
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River artifacts: Added new copyright headers.
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.artifacts.services; |
2639 | 10 |
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11 import org.dive4elements.artifacts.CallMeta; |
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12 import org.dive4elements.artifacts.GlobalContext; |
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13 import org.dive4elements.artifacts.common.ArtifactNamespaceContext; |
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14 import org.dive4elements.artifacts.common.utils.FileTools; |
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15 import org.dive4elements.artifacts.common.utils.XMLUtils; |
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16 import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator; |
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17 import org.dive4elements.river.utils.RiverUtils; |
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18 |
2639 | 19 import java.io.File; |
20 import java.io.FileOutputStream; | |
21 import java.io.IOException; | |
22 | |
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23 import org.apache.commons.codec.binary.Base64; |
2639 | 24 import org.apache.log4j.Logger; |
25 import org.w3c.dom.Document; | |
26 import org.w3c.dom.Element; | |
27 | |
28 /** | |
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29 * Service that receives XML-packed Shapefile bundles from the client. |
2639 | 30 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> |
31 */ | |
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32 public class FileUploadService extends D4EService { |
2639 | 33 |
34 /** The logger used in this service.*/ | |
35 private static Logger logger = Logger.getLogger(FileUploadService.class); | |
36 | |
37 /** XPath that points to the artifact uuid.*/ | |
38 public static final String XPATH_ARTIFACT_UUID = | |
39 "/upload/artifact-uuid/text()"; | |
40 | |
41 /** XPath that points to the base64 encoded data.*/ | |
42 public static final String XPATH_DATA = "/upload/data/text()"; | |
43 | |
44 public FileUploadService() { | |
45 } | |
46 | |
47 @Override | |
48 protected Document doProcess( | |
49 Document data, | |
50 GlobalContext context, | |
51 CallMeta callMeta | |
52 ) { | |
53 logger.debug("FileUploadService.process"); | |
54 | |
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55 Document doc = XMLUtils.newDocument(); |
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56 ElementCreator ec = new ElementCreator(doc, null, null); |
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57 Element resp = ec.create("response"); |
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58 Element status = ec.create("status"); |
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59 resp.appendChild(status); |
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60 doc.appendChild(resp); |
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61 |
2639 | 62 String uuid = extractUuid(data); |
63 | |
64 byte[] fileData = extractData(data); | |
65 if (fileData != null) { | |
66 try { | |
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67 String shapePath = RiverUtils.getXPathString( |
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68 RiverUtils.XPATH_FLOODMAP_SHAPEFILE_DIR); |
2639 | 69 |
70 File artifactDir = FileTools.getDirectory(shapePath, uuid); | |
71 FileOutputStream fos = | |
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72 new FileOutputStream( |
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73 new File(artifactDir, "user-rgd.zip")); |
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74 try { |
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75 fos.write(fileData); |
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76 |
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77 // Write operation successful |
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78 status.setTextContent("Upload erfolgreich!"); // TODO: i18n |
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79 } |
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80 finally { |
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81 fos.close(); |
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82 } |
2639 | 83 } |
84 catch (IOException ioe) { | |
85 logger.warn(ioe, ioe); | |
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86 status.setTextContent("Upload fehlgeschlagen!"); |
2639 | 87 } |
88 } | |
89 else { | |
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90 logger.debug("No data in uploaded xml."); |
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91 status.setTextContent("Upload fehlgeschlagen!"); |
2639 | 92 } |
93 | |
94 return doc; | |
95 } | |
96 | |
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97 /** |
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98 * Extracts the UUID from the XML document. |
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99 * @param data |
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100 * @return |
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101 */ |
2639 | 102 protected String extractUuid(Document data) { |
103 return XMLUtils.xpathString( | |
104 data, XPATH_ARTIFACT_UUID, ArtifactNamespaceContext.INSTANCE); | |
105 } | |
106 | |
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107 /** |
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108 * Extracts the base64 encoded ZIP file from the XML document. |
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109 * @param data |
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110 * @return |
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111 */ |
2639 | 112 protected byte[] extractData(Document data) { |
113 String b64Data = XMLUtils.xpathString( | |
114 data, XPATH_DATA, ArtifactNamespaceContext.INSTANCE); | |
115 | |
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116 if (b64Data != null && b64Data.length() > 0) { |
2639 | 117 byte[] fileData = Base64.decodeBase64(b64Data); |
118 return fileData; | |
119 } | |
120 return null; | |
121 } | |
122 } | |
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123 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |