]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.project/src/org/simantics/project/internal/SafeName.java
Merge commit '728147df5d63a3333daff3d8c0e9bfd4f5597e3a'
[simantics/platform.git] / bundles / org.simantics.project / src / org / simantics / project / internal / SafeName.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.project.internal;\r
13 \r
14 import org.simantics.db.ReadGraph;\r
15 import org.simantics.db.Resource;\r
16 import org.simantics.db.common.request.ResourceRead;\r
17 import org.simantics.db.exception.DatabaseException;\r
18 import org.simantics.layer0.Layer0;\r
19 \r
20 /**\r
21  * @author Tuukka Lehtonen\r
22  */\r
23 public class SafeName extends ResourceRead<String> {\r
24 \r
25     public SafeName(Resource r) {\r
26         super(r);\r
27     }\r
28 \r
29     @Override\r
30     public String perform(ReadGraph graph) throws DatabaseException {\r
31         String name = graph.getPossibleRelatedValue(resource, Layer0.getInstance(graph).HasName);\r
32         if (name == null)\r
33             name = "(no name)";\r
34         return name;\r
35     }\r
36 \r
37 }\r