Mercurial > dive4elements > framework
comparison artifact-database/src/main/java/org/dive4elements/artifactdatabase/rest/ServiceResource.java @ 473:d0ac790a6c89 dive4elements-move
Moved directories to org.dive4elements
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 10:57:18 +0200 |
| parents | artifact-database/src/main/java/de/intevation/artifactdatabase/rest/ServiceResource.java@9798e4d83681 |
| children | 415df0fc4fa1 |
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| 472:783cc1b6b615 | 473:d0ac790a6c89 |
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| 1 /* | |
| 2 * Copyright (c) 2010 by Intevation GmbH | |
| 3 * | |
| 4 * This program is free software under the LGPL (>=v2.1) | |
| 5 * Read the file LGPL.txt coming with the software for details | |
| 6 * or visit http://www.gnu.org/licenses/ if it does not exist. | |
| 7 */ | |
| 8 | |
| 9 package de.intevation.artifactdatabase.rest; | |
| 10 | |
| 11 import de.intevation.artifacts.ArtifactDatabase; | |
| 12 import de.intevation.artifacts.ArtifactDatabaseException; | |
| 13 | |
| 14 import java.io.IOException; | |
| 15 | |
| 16 import org.apache.log4j.Logger; | |
| 17 | |
| 18 import org.restlet.Request; | |
| 19 import org.restlet.Response; | |
| 20 import org.restlet.data.MediaType; | |
| 21 import org.restlet.data.Status; | |
| 22 | |
| 23 import org.restlet.ext.xml.DomRepresentation; | |
| 24 | |
| 25 import org.restlet.representation.EmptyRepresentation; | |
| 26 import org.restlet.representation.Representation; | |
| 27 | |
| 28 import org.w3c.dom.Document; | |
| 29 | |
| 30 import de.intevation.artifacts.Service; | |
| 31 | |
| 32 /** | |
| 33 * Resource to process incoming XML documents with a given service. | |
| 34 * | |
| 35 * @author <a href="mailto:sascha.teichmann@intevation">Sascha L. Teichmann</a> | |
| 36 */ | |
| 37 public class ServiceResource | |
| 38 extends BaseResource | |
| 39 { | |
| 40 private static Logger logger = Logger.getLogger(ServiceResource.class); | |
| 41 | |
| 42 /** | |
| 43 * server URL where to reach the resource. | |
| 44 */ | |
| 45 public static final String PATH = "/service/{service}"; | |
| 46 | |
| 47 /** | |
| 48 * Error message if no corresponing service is provided by | |
| 49 * the artifact database. | |
| 50 */ | |
| 51 public static final String NO_SUCH_ACTION_MESSAGE = "no such service"; | |
| 52 | |
| 53 @Override | |
| 54 protected Representation innerPost(Representation requestRepr) { | |
| 55 | |
| 56 Document inputDocument = null; | |
| 57 try { | |
| 58 DomRepresentation input = new DomRepresentation(requestRepr); | |
| 59 input.setNamespaceAware(true); | |
| 60 inputDocument = input.getDocument(); | |
| 61 } | |
| 62 catch (IOException ioe) { | |
| 63 logger.error(ioe.getMessage()); | |
| 64 Response response = getResponse(); | |
| 65 response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST, ioe); | |
| 66 return new EmptyRepresentation(); | |
| 67 } | |
| 68 | |
| 69 Request request = getRequest(); | |
| 70 | |
| 71 String service = (String)request.getAttributes().get("service"); | |
| 72 | |
| 73 ArtifactDatabase db = (ArtifactDatabase)getContext() | |
| 74 .getAttributes().get("database"); | |
| 75 | |
| 76 try { | |
| 77 return guessRepresentation( | |
| 78 db.process(service, inputDocument, getCallMeta())); | |
| 79 } | |
| 80 catch (ArtifactDatabaseException adbe) { | |
| 81 logger.warn(adbe.getLocalizedMessage(), adbe); | |
| 82 Response response = getResponse(); | |
| 83 response.setStatus( | |
| 84 Status.CLIENT_ERROR_BAD_REQUEST, adbe.getMessage()); | |
| 85 return new EmptyRepresentation(); | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 protected static Representation guessRepresentation(Service.Output output) { | |
| 90 | |
| 91 MediaType mediaType = new MediaType(output.getMIMEType()); | |
| 92 Object data = output.getData(); | |
| 93 | |
| 94 if (data instanceof Document) { | |
| 95 return new DomRepresentation(mediaType, (Document)data); | |
| 96 } | |
| 97 | |
| 98 if (data instanceof byte []) { | |
| 99 return new ByteArrayRepresentation(mediaType, (byte [])data); | |
| 100 } | |
| 101 | |
| 102 return new EmptyRepresentation(); | |
| 103 } | |
| 104 } | |
| 105 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |