bundles/org.simantics.db.impl/src/org/simantics/db/impl/DatabaseUtils.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.db.impl;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.Arrays;\r
  16 import java.util.List;\r
  17 \r
  18 import org.simantics.db.ReadGraph;\r
  19 import org.simantics.db.Resource;\r
  20 import org.simantics.db.common.utils.Literals;\r
  21 import org.simantics.db.exception.ServiceException;\r
  22 import org.simantics.db.exception.ValidationException;\r
  23 import org.simantics.layer0.Layer0;\r
  24 \r
  25 public class DatabaseUtils {\r
  26 \r
  27     public static String getReadableName(ReadGraph graph, Resource resource) throws ValidationException, ServiceException {\r
  28         Layer0 b = Layer0.getInstance(graph);\r
  29         \r
  30         String uri = graph.getPossibleURI(resource);\r
  31         if(uri != null) return uri;\r
  32         \r
  33         List<String> names = new ArrayList<String>(1);\r
  34         for(Resource nameResource : graph.getObjects(resource, b.HasName)) {\r
  35             Object value = graph.getPossibleValue(nameResource);\r
  36             if(value != null) {\r
  37                 names.add(Literals.shortString(Literals.literalToString(value)));\r
  38             }\r
  39         }\r
  40         if(!names.isEmpty()) {\r
  41             if(names.size() == 1)\r
  42                 return names.get(0);\r
  43             else {\r
  44                 StringBuilder bb = new StringBuilder();\r
  45                 bb.append('[');\r
  46                 for(int i=0;i<names.size();++i) {\r
  47                     if(i>0)\r
  48                         bb.append(", ");\r
  49                     bb.append(names.get(i));\r
  50                 }\r
  51                 bb.append(']');\r
  52                 return bb.toString();\r
  53             }\r
  54         }\r
  55         StringBuilder bb = new StringBuilder();\r
  56         Object val = graph.getPossibleValue(resource);\r
  57         if(val != null) {\r
  58             if(val instanceof double[])\r
  59                 bb.append(Literals.shortString(Arrays.toString((double[])val)));\r
  60             else if(val instanceof float[])\r
  61                 bb.append(Literals.shortString(Arrays.toString((float[])val)));\r
  62             else if(val instanceof int[])\r
  63                 bb.append(Literals.shortString(Arrays.toString((int[])val)));\r
  64             else if(val instanceof boolean[])\r
  65                 bb.append(Literals.shortString(Arrays.toString((boolean[])val)));\r
  66             else if(val instanceof long[])\r
  67                 bb.append(Literals.shortString(Arrays.toString((long[])val)));\r
  68             else if(val instanceof byte[])\r
  69                 bb.append(Literals.shortString(Arrays.toString((byte[])val)));\r
  70             else if(val instanceof String[])\r
  71                 bb.append(Literals.shortString(Arrays.toString((String[])val)));\r
  72             else \r
  73                 bb.append(Literals.shortString(val));\r
  74         }\r
  75         else\r
  76             bb.append(resource.getResourceId());\r
  77         boolean ok = false;\r
  78         for(Resource r : graph.getObjects(resource, b.InstanceOf)) {\r
  79             bb.append(" : (" + getReadableName(graph, r) + ")");\r
  80             ok = true;\r
  81         }\r
  82         if(!ok) {\r
  83             for(Resource r : graph.getObjects(resource, b.Inherits)) {\r
  84                 bb.append(" <T (" + getReadableName(graph, r) + ")");\r
  85                 ok = true;\r
  86             }   \r
  87             if(!ok) {\r
  88                 for(Resource r : graph.getObjects(resource, b.SubrelationOf)) {\r
  89                     bb.append(" <R (" + getReadableName(graph, r) + ")");\r
  90                     ok = true;\r
  91                 }   \r
  92             }\r
  93         }\r
  94         return bb.toString();\r
  95     }\r
  96     \r
  97 }\r