ingo@100: /*
ingo@100:  * Copyright (c) 2010 by Intevation GmbH
ingo@100:  *
ingo@100:  * This program is free software under the LGPL (>=v2.1)
ingo@100:  * Read the file LGPL.txt coming with the software for details
ingo@100:  * or visit http://www.gnu.org/licenses/ if it does not exist.
ingo@100:  */
ingo@100: 
ingo@79: package de.intevation.artifactdatabase.rest;
ingo@79: 
ingo@79: import de.intevation.artifacts.ArtifactDatabase;
ingo@79: import de.intevation.artifacts.ArtifactDatabaseException;
ingo@79: 
ingo@79: import org.apache.log4j.Logger;
ingo@79: 
ingo@101: import org.restlet.Request;
ingo@101: import org.restlet.Response;
ingo@101: 
ingo@79: import org.restlet.data.MediaType;
ingo@79: import org.restlet.data.Status;
ingo@79: 
ingo@79: import org.restlet.ext.xml.DomRepresentation;
ingo@79: 
ingo@79: import org.restlet.representation.EmptyRepresentation;
ingo@79: import org.restlet.representation.Representation;
ingo@79: 
ingo@79: import org.restlet.resource.ResourceException;
ingo@79: 
ingo@79: /**
sascha@88:  * Resource to produce an external XML representation of a given
sascha@88:  * artifact to be import by ImportResource later on.
sascha@88:  *
ingo@79:  * @author <a href="mailto:sascha.teichmann@intevation">Sascha L. Teichmann</a>
ingo@79:  */
ingo@79: public class ExportResource
ingo@79: extends      BaseResource
ingo@79: {
ingo@79:     private static Logger logger = Logger.getLogger(ExportResource.class);
ingo@79: 
sascha@88:     /**
sascha@88:      * server URL where to reach the resource.
sascha@88:      */
ingo@79:     public static final String PATH = "/export/{uuid}";
ingo@79: 
sascha@89:     @Override
ingo@79:     protected Representation innerGet()
ingo@79:     throws                   ResourceException
ingo@79:     {
ingo@79:         Request request = getRequest();
ingo@79: 
ingo@79:         String identifier = (String)request.getAttributes().get("uuid");
ingo@79: 
ingo@79:         if (logger.isDebugEnabled()) {
ingo@79:             logger.debug("looking for artifact id '" + identifier + "'");
ingo@79:         }
ingo@79: 
ingo@79:         ArtifactDatabase db = (ArtifactDatabase)getContext()
ingo@79:             .getAttributes().get("database");
ingo@79: 
ingo@79:         try {
ingo@79:             return new DomRepresentation(
ingo@79:                 MediaType.APPLICATION_XML,
ingo@79:                 db.exportArtifact(identifier, getCallMeta()));
ingo@79:         }
ingo@79:         catch (ArtifactDatabaseException adbe) {
ingo@79:             logger.warn(adbe.getLocalizedMessage(), adbe);
ingo@79:             Response response = getResponse();
ingo@79:             response.setStatus(
ingo@79:                 Status.CLIENT_ERROR_NOT_FOUND, adbe.getMessage());
ingo@79:             return new EmptyRepresentation();
ingo@79:         }
ingo@79:     }
ingo@79: }
ingo@79: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :