Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/FileUploadService.java @ 3318:dbe2f85bf160
merged flys-artifacts/2.8
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:35 +0200 |
| parents | d78b7c06e061 |
| children | 442fbb290fa8 |
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| 2987:98c7a46ec5ae | 3318:dbe2f85bf160 |
|---|---|
| 1 package de.intevation.flys.artifacts.services; | |
| 2 | |
| 3 import java.io.File; | |
| 4 import java.io.FileOutputStream; | |
| 5 import java.io.IOException; | |
| 6 | |
| 7 import org.apache.log4j.Logger; | |
| 8 | |
| 9 import org.apache.commons.codec.binary.Base64; | |
| 10 | |
| 11 import org.w3c.dom.Document; | |
| 12 import org.w3c.dom.Element; | |
| 13 | |
| 14 import de.intevation.artifacts.common.ArtifactNamespaceContext; | |
| 15 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 16 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator; | |
| 17 import de.intevation.artifacts.common.utils.FileTools; | |
| 18 | |
| 19 import de.intevation.artifacts.CallMeta; | |
| 20 import de.intevation.artifacts.GlobalContext; | |
| 21 | |
| 22 import de.intevation.flys.utils.FLYSUtils; | |
| 23 | |
| 24 /** | |
| 25 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> | |
| 26 */ | |
| 27 public class FileUploadService extends FLYSService { | |
| 28 | |
| 29 /** The logger used in this service.*/ | |
| 30 private static Logger logger = Logger.getLogger(FileUploadService.class); | |
| 31 | |
| 32 /** XPath that points to the artifact uuid.*/ | |
| 33 public static final String XPATH_ARTIFACT_UUID = | |
| 34 "/upload/artifact-uuid/text()"; | |
| 35 | |
| 36 /** XPath that points to the base64 encoded data.*/ | |
| 37 public static final String XPATH_DATA = "/upload/data/text()"; | |
| 38 | |
| 39 public FileUploadService() { | |
| 40 } | |
| 41 | |
| 42 | |
| 43 @Override | |
| 44 protected Document doProcess( | |
| 45 Document data, | |
| 46 GlobalContext context, | |
| 47 CallMeta callMeta | |
| 48 ) { | |
| 49 logger.debug("FileUploadService.process"); | |
| 50 | |
| 51 String uuid = extractUuid(data); | |
| 52 | |
| 53 byte[] fileData = extractData(data); | |
| 54 if (fileData != null) { | |
| 55 try { | |
| 56 String shapePath = FLYSUtils.getXPathString( | |
| 57 FLYSUtils.XPATH_SHAPEFILE_DIR); | |
| 58 | |
| 59 File artifactDir = FileTools.getDirectory(shapePath, uuid); | |
| 60 FileOutputStream fos = | |
| 61 new FileOutputStream( | |
| 62 new File(artifactDir, "user-rgd.zip")); | |
| 63 try { | |
| 64 fos.write(fileData); | |
| 65 } | |
| 66 finally { | |
| 67 fos.close(); | |
| 68 } | |
| 69 } | |
| 70 catch (IOException ioe) { | |
| 71 logger.warn(ioe, ioe); | |
| 72 } | |
| 73 } | |
| 74 else { | |
| 75 logger.debug("No data in uploaded xml."); | |
| 76 } | |
| 77 | |
| 78 Document doc = XMLUtils.newDocument(); | |
| 79 ElementCreator ec = new ElementCreator(doc, null, null); | |
| 80 Element resp = ec.create("response"); | |
| 81 doc.appendChild(resp); | |
| 82 | |
| 83 return doc; | |
| 84 } | |
| 85 | |
| 86 | |
| 87 protected String extractUuid(Document data) { | |
| 88 return XMLUtils.xpathString( | |
| 89 data, XPATH_ARTIFACT_UUID, ArtifactNamespaceContext.INSTANCE); | |
| 90 } | |
| 91 | |
| 92 | |
| 93 protected byte[] extractData(Document data) { | |
| 94 String b64Data = XMLUtils.xpathString( | |
| 95 data, XPATH_DATA, ArtifactNamespaceContext.INSTANCE); | |
| 96 | |
| 97 if (b64Data != null && b64Data.length() > 0) { | |
| 98 byte[] fileData = Base64.decodeBase64(b64Data); | |
| 99 return fileData; | |
| 100 } | |
| 101 return null; | |
| 102 } | |
| 103 } | |
| 104 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |