-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.db.common.uri;\r
-\r
-import org.simantics.databoard.Bindings;\r
-import org.simantics.databoard.util.URIStringUtils;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.common.request.ResourceRead;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.layer0.Layer0;\r
-\r
-/**\r
- * Tries to retrieve URIs for specified resources. Returns <code>null</code> if\r
- * URI is undefined. This query follows the semantics of\r
- * {@link ReadGraph#getPossibleURI(Resource)}.\r
- * \r
- * @author Antti Villberg\r
- */\r
-public class ResourceToPossibleURI extends ResourceRead<String> {\r
-\r
- public ResourceToPossibleURI(Resource resource) {\r
- super(resource);\r
- }\r
-\r
- @Override\r
- public String perform(ReadGraph g) throws DatabaseException {\r
- if(g.getRootLibrary().equals(resource)) return "http:/";\r
- Layer0 L0 = Layer0.getInstance(g);\r
- String name = g.getPossibleRelatedValue(resource, L0.HasName, Bindings.STRING);\r
- if(name == null) return null;\r
- String escapedName = URIStringUtils.escape((String) name);\r
- Resource parent = g.getPossibleObject(resource, L0.PartOf);\r
- if(parent == null) return null;\r
- String parentURI = g.syncRequest(new ResourceToPossibleURI(parent));\r
- if(parentURI == null) return null;\r
- return parentURI + "/" + escapedName;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.common.uri;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.util.URIStringUtils;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+
+/**
+ * Tries to retrieve URIs for specified resources. Returns <code>null</code> if
+ * URI is undefined. This query follows the semantics of
+ * {@link ReadGraph#getPossibleURI(Resource)}.
+ *
+ * @author Antti Villberg
+ */
+public class ResourceToPossibleURI extends ResourceRead<String> {
+
+ public ResourceToPossibleURI(Resource resource) {
+ super(resource);
+ }
+
+ @Override
+ public String perform(ReadGraph g) throws DatabaseException {
+ if(g.getRootLibrary().equals(resource)) return "http:/";
+ Layer0 L0 = Layer0.getInstance(g);
+ String name = g.getPossibleRelatedValue(resource, L0.HasName, Bindings.STRING);
+ if(name == null) return null;
+ String escapedName = URIStringUtils.escape((String) name);
+ Resource parent = g.getPossibleObject(resource, L0.PartOf);
+ if(parent == null) return null;
+ String parentURI = g.syncRequest(new ResourceToPossibleURI(parent));
+ if(parentURI == null) return null;
+ return parentURI + "/" + escapedName;
+ }
+
+}