Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/FileUploadService.java @ 4655:cd44d28d0fbc
Move the access to artifact data to the Access object
Use BedHeightAccess class to receive the data from the artifact. This abstracts
the data access from the actual artifact.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Tue, 11 Dec 2012 09:44:04 +0100 |
parents | d78b7c06e061 |
children | 442fbb290fa8 |
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package de.intevation.flys.artifacts.services; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import org.apache.log4j.Logger; import org.apache.commons.codec.binary.Base64; import org.w3c.dom.Document; import org.w3c.dom.Element; import de.intevation.artifacts.common.ArtifactNamespaceContext; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator; import de.intevation.artifacts.common.utils.FileTools; import de.intevation.artifacts.CallMeta; import de.intevation.artifacts.GlobalContext; import de.intevation.flys.utils.FLYSUtils; /** * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> */ public class FileUploadService extends FLYSService { /** The logger used in this service.*/ private static Logger logger = Logger.getLogger(FileUploadService.class); /** XPath that points to the artifact uuid.*/ public static final String XPATH_ARTIFACT_UUID = "/upload/artifact-uuid/text()"; /** XPath that points to the base64 encoded data.*/ public static final String XPATH_DATA = "/upload/data/text()"; public FileUploadService() { } @Override protected Document doProcess( Document data, GlobalContext context, CallMeta callMeta ) { logger.debug("FileUploadService.process"); String uuid = extractUuid(data); byte[] fileData = extractData(data); if (fileData != null) { try { String shapePath = FLYSUtils.getXPathString( FLYSUtils.XPATH_SHAPEFILE_DIR); File artifactDir = FileTools.getDirectory(shapePath, uuid); FileOutputStream fos = new FileOutputStream( new File(artifactDir, "user-rgd.zip")); try { fos.write(fileData); } finally { fos.close(); } } catch (IOException ioe) { logger.warn(ioe, ioe); } } else { logger.debug("No data in uploaded xml."); } Document doc = XMLUtils.newDocument(); ElementCreator ec = new ElementCreator(doc, null, null); Element resp = ec.create("response"); doc.appendChild(resp); return doc; } protected String extractUuid(Document data) { return XMLUtils.xpathString( data, XPATH_ARTIFACT_UUID, ArtifactNamespaceContext.INSTANCE); } protected byte[] extractData(Document data) { String b64Data = XMLUtils.xpathString( data, XPATH_DATA, ArtifactNamespaceContext.INSTANCE); if (b64Data != null && b64Data.length() > 0) { byte[] fileData = Base64.decodeBase64(b64Data); return fileData; } return null; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :