Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.impl / src / org / simantics / db / impl / DatabaseUtils.java

diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/DatabaseUtils.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/DatabaseUtils.java
new file mode 100644 (file)
index 0000000..830e93d
--- /dev/null
+++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/DatabaseUtils.java
@@ -0,0 +1,97 @@
+/*******************************************************************************\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.impl;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Arrays;\r
+import java.util.List;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.utils.Literals;\r
+import org.simantics.db.exception.ServiceException;\r
+import org.simantics.db.exception.ValidationException;\r
+import org.simantics.layer0.Layer0;\r
+\r
+public class DatabaseUtils {\r
+\r
+    public static String getReadableName(ReadGraph graph, Resource resource) throws ValidationException, ServiceException {\r
+       Layer0 b = Layer0.getInstance(graph);\r
+       \r
+       String uri = graph.getPossibleURI(resource);\r
+       if(uri != null) return uri;\r
+       \r
+        List<String> names = new ArrayList<String>(1);\r
+        for(Resource nameResource : graph.getObjects(resource, b.HasName)) {\r
+            Object value = graph.getPossibleValue(nameResource);\r
+            if(value != null) {\r
+                names.add(Literals.shortString(Literals.literalToString(value)));\r
+            }\r
+        }\r
+        if(!names.isEmpty()) {\r
+            if(names.size() == 1)\r
+                return names.get(0);\r
+            else {\r
+                StringBuilder bb = new StringBuilder();\r
+                bb.append('[');\r
+                for(int i=0;i<names.size();++i) {\r
+                    if(i>0)\r
+                        bb.append(", ");\r
+                    bb.append(names.get(i));\r
+                }\r
+                bb.append(']');\r
+                return bb.toString();\r
+            }\r
+        }\r
+        StringBuilder bb = new StringBuilder();\r
+        Object val = graph.getPossibleValue(resource);\r
+        if(val != null) {\r
+            if(val instanceof double[])\r
+                bb.append(Literals.shortString(Arrays.toString((double[])val)));\r
+            else if(val instanceof float[])\r
+                bb.append(Literals.shortString(Arrays.toString((float[])val)));\r
+            else if(val instanceof int[])\r
+                bb.append(Literals.shortString(Arrays.toString((int[])val)));\r
+            else if(val instanceof boolean[])\r
+                bb.append(Literals.shortString(Arrays.toString((boolean[])val)));\r
+            else if(val instanceof long[])\r
+                bb.append(Literals.shortString(Arrays.toString((long[])val)));\r
+            else if(val instanceof byte[])\r
+                bb.append(Literals.shortString(Arrays.toString((byte[])val)));\r
+            else if(val instanceof String[])\r
+                bb.append(Literals.shortString(Arrays.toString((String[])val)));\r
+            else \r
+                bb.append(Literals.shortString(val));\r
+        }\r
+        else\r
+            bb.append(resource.getResourceId());\r
+        boolean ok = false;\r
+        for(Resource r : graph.getObjects(resource, b.InstanceOf)) {\r
+            bb.append(" : (" + getReadableName(graph, r) + ")");\r
+            ok = true;\r
+        }\r
+        if(!ok) {\r
+            for(Resource r : graph.getObjects(resource, b.Inherits)) {\r
+                bb.append(" <T (" + getReadableName(graph, r) + ")");\r
+                ok = true;\r
+            }   \r
+            if(!ok) {\r
+                for(Resource r : graph.getObjects(resource, b.SubrelationOf)) {\r
+                    bb.append(" <R (" + getReadableName(graph, r) + ")");\r
+                    ok = true;\r
+                }   \r
+            }\r
+        }\r
+        return bb.toString();\r
+    }\r
+    \r
+}\r