Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/org/dive4elements/river/artifacts/services/FileUploadService.java @ 5831:bd047b71ab37
Repaired internal references
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 12:06:39 +0200 |
| parents | flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/FileUploadService.java@7c8ce0a95a64 |
| children |
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| 5830:160f53ee0870 | 5831:bd047b71ab37 |
|---|---|
| 1 package org.dive4elements.river.artifacts.services; | |
| 2 | |
| 3 import org.dive4elements.artifacts.CallMeta; | |
| 4 import org.dive4elements.artifacts.GlobalContext; | |
| 5 import org.dive4elements.artifacts.common.ArtifactNamespaceContext; | |
| 6 import org.dive4elements.artifacts.common.utils.FileTools; | |
| 7 import org.dive4elements.artifacts.common.utils.XMLUtils; | |
| 8 import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator; | |
| 9 import org.dive4elements.river.utils.FLYSUtils; | |
| 10 | |
| 11 import java.io.File; | |
| 12 import java.io.FileOutputStream; | |
| 13 import java.io.IOException; | |
| 14 | |
| 15 import org.apache.commons.codec.binary.Base64; | |
| 16 import org.apache.log4j.Logger; | |
| 17 import org.w3c.dom.Document; | |
| 18 import org.w3c.dom.Element; | |
| 19 | |
| 20 /** | |
| 21 * Service that receives XML-packed Shapefile bundles from the client. | |
| 22 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> | |
| 23 */ | |
| 24 public class FileUploadService extends FLYSService { | |
| 25 | |
| 26 /** The logger used in this service.*/ | |
| 27 private static Logger logger = Logger.getLogger(FileUploadService.class); | |
| 28 | |
| 29 /** XPath that points to the artifact uuid.*/ | |
| 30 public static final String XPATH_ARTIFACT_UUID = | |
| 31 "/upload/artifact-uuid/text()"; | |
| 32 | |
| 33 /** XPath that points to the base64 encoded data.*/ | |
| 34 public static final String XPATH_DATA = "/upload/data/text()"; | |
| 35 | |
| 36 public FileUploadService() { | |
| 37 } | |
| 38 | |
| 39 @Override | |
| 40 protected Document doProcess( | |
| 41 Document data, | |
| 42 GlobalContext context, | |
| 43 CallMeta callMeta | |
| 44 ) { | |
| 45 logger.debug("FileUploadService.process"); | |
| 46 | |
| 47 Document doc = XMLUtils.newDocument(); | |
| 48 ElementCreator ec = new ElementCreator(doc, null, null); | |
| 49 Element resp = ec.create("response"); | |
| 50 Element status = ec.create("status"); | |
| 51 resp.appendChild(status); | |
| 52 doc.appendChild(resp); | |
| 53 | |
| 54 String uuid = extractUuid(data); | |
| 55 | |
| 56 byte[] fileData = extractData(data); | |
| 57 if (fileData != null) { | |
| 58 try { | |
| 59 String shapePath = FLYSUtils.getXPathString( | |
| 60 FLYSUtils.XPATH_FLOODMAP_SHAPEFILE_DIR); | |
| 61 | |
| 62 File artifactDir = FileTools.getDirectory(shapePath, uuid); | |
| 63 FileOutputStream fos = | |
| 64 new FileOutputStream( | |
| 65 new File(artifactDir, "user-rgd.zip")); | |
| 66 try { | |
| 67 fos.write(fileData); | |
| 68 | |
| 69 // Write operation successful | |
| 70 status.setTextContent("Upload erfolgreich!"); // TODO: i18n | |
| 71 } | |
| 72 finally { | |
| 73 fos.close(); | |
| 74 } | |
| 75 } | |
| 76 catch (IOException ioe) { | |
| 77 logger.warn(ioe, ioe); | |
| 78 status.setTextContent("Upload fehlgeschlagen!"); | |
| 79 } | |
| 80 } | |
| 81 else { | |
| 82 logger.debug("No data in uploaded xml."); | |
| 83 status.setTextContent("Upload fehlgeschlagen!"); | |
| 84 } | |
| 85 | |
| 86 return doc; | |
| 87 } | |
| 88 | |
| 89 /** | |
| 90 * Extracts the UUID from the XML document. | |
| 91 * @param data | |
| 92 * @return | |
| 93 */ | |
| 94 protected String extractUuid(Document data) { | |
| 95 return XMLUtils.xpathString( | |
| 96 data, XPATH_ARTIFACT_UUID, ArtifactNamespaceContext.INSTANCE); | |
| 97 } | |
| 98 | |
| 99 /** | |
| 100 * Extracts the base64 encoded ZIP file from the XML document. | |
| 101 * @param data | |
| 102 * @return | |
| 103 */ | |
| 104 protected byte[] extractData(Document data) { | |
| 105 String b64Data = XMLUtils.xpathString( | |
| 106 data, XPATH_DATA, ArtifactNamespaceContext.INSTANCE); | |
| 107 | |
| 108 if (b64Data != null && b64Data.length() > 0) { | |
| 109 byte[] fileData = Base64.decodeBase64(b64Data); | |
| 110 return fileData; | |
| 111 } | |
| 112 return null; | |
| 113 } | |
| 114 } | |
| 115 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |