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[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph.impl / src / org / simantics / browsing / ui / graph / impl / request / GetName.java
1 /*******************************************************************************\r
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
3  * in Industry THTH ry.\r
4  * All rights reserved. This program and the accompanying materials\r
5  * are made available under the terms of the Eclipse Public License v1.0\r
6  * which accompanies this distribution, and is available at\r
7  * http://www.eclipse.org/legal/epl-v10.html\r
8  *\r
9  * Contributors:\r
10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.browsing.ui.graph.impl.request;\r
13 \r
14 import org.simantics.databoard.Bindings;\r
15 import org.simantics.db.ReadGraph;\r
16 import org.simantics.db.Resource;\r
17 import org.simantics.db.common.request.ResourceRead;\r
18 import org.simantics.db.common.utils.NameUtils;\r
19 import org.simantics.db.exception.DatabaseException;\r
20 import org.simantics.layer0.Layer0;\r
21 \r
22 public class GetName extends ResourceRead<String> {\r
23 \r
24     public GetName(Resource resource) {\r
25         super(resource);\r
26     }\r
27 \r
28     @Override\r
29     public String perform(ReadGraph graph) throws DatabaseException {\r
30         try {\r
31             return graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);\r
32         } catch (DatabaseException e) {\r
33             return NameUtils.getSafeName(graph, resource);\r
34         }\r
35     }\r
36 \r
37 }\r