Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph.impl / src / org / simantics / browsing / ui / graph / impl / URIResourceInputSource.java

diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/URIResourceInputSource.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/URIResourceInputSource.java
new file mode 100644 (file)
index 0000000..e83e098
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/URIResourceInputSource.java
@@ -0,0 +1,50 @@
+/*******************************************************************************\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.browsing.ui.graph.impl;\r
+\r
+import org.eclipse.ui.IWorkbenchPart;\r
+import org.simantics.browsing.ui.GraphExplorer;\r
+import org.simantics.browsing.ui.common.ErrorLogger;\r
+import org.simantics.db.common.request.Queries;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.management.ISessionContext;\r
+\r
+/**\r
+ * @author Antti Villberg\r
+ */\r
+public class URIResourceInputSource implements SessionContextInputSource {\r
+\r
+    final private String uri;\r
+\r
+    public URIResourceInputSource(String uri) {\r
+        this.uri = uri;\r
+    }\r
+\r
+    @Override\r
+    public Object get(ISessionContext ctx) {\r
+        if (ctx == null)\r
+            return GraphExplorer.EMPTY_INPUT;\r
+\r
+        try {\r
+            return ctx.getSession().syncRequest(Queries.resource(uri));\r
+        } catch (DatabaseException e) {\r
+            ErrorLogger.defaultLogError(e);\r
+            return GraphExplorer.EMPTY_INPUT;\r
+        }\r
+    }\r
+    \r
+    @Override\r
+    public IWorkbenchPart getProvider() {\r
+       return null;\r
+    }\r
+\r
+}\r