bundles/org.simantics.message/src/org/simantics/message/util/ResourceSerializerUtil.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.message.util;
  13
  14 import java.net.URI;
  15 import java.net.URISyntaxException;
  16
  17 import org.simantics.db.Resource;
  18 import org.simantics.db.ResourceSerializer;
  19 import org.simantics.db.Session;
  20 import org.simantics.db.exception.InvalidResourceReferenceException;
  21 import org.simantics.db.service.SerialisationSupport;
  22 import org.simantics.message.ReferenceSerializationException;
  23
  24 /**
  25  * @author Tuukka Lehtonen
  26  */
  27 public class ResourceSerializerUtil {
  28
  29     public static Resource deserialize(Session s, URI data) throws ReferenceSerializationException {
  30         SerialisationSupport support = s.getService(SerialisationSupport.class);
  31         ResourceSerializer rs = support.getResourceSerializer();
  32         try {
  33             return rs.getResource(data.getSchemeSpecificPart());
  34         } catch (InvalidResourceReferenceException e) {
  35             throw new ReferenceSerializationException(e);
  36         }
  37     }
  38
  39     public static URI serialize(Session s, Resource r) throws ReferenceSerializationException {
  40         SerialisationSupport support = s.getService(SerialisationSupport.class);
  41         ResourceSerializer rs = support.getResourceSerializer();
  42         try {
  43             return new URI("resource", rs.createRandomAccessId(r), null);
  44         } catch (InvalidResourceReferenceException e) {
  45             throw new ReferenceSerializationException(e);
  46         } catch (URISyntaxException e) {
  47             throw new ReferenceSerializationException(e);
  48         }
  49     }
  50
  51 }