bundles/org.simantics.databoard/src/org/simantics/databoard/binding/factory/JavaUtilBindingsProvider.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
   3  * 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.databoard.binding.factory;\r
  13 \r
  14 import java.util.HashMap;\r
  15 import java.util.HashSet;\r
  16 import java.util.LinkedList;\r
  17 import java.util.List;\r
  18 import java.util.Map;\r
  19 import java.util.PriorityQueue;\r
  20 import java.util.Set;\r
  21 import java.util.TreeMap;\r
  22 import java.util.TreeSet;\r
  23 import java.util.UUID;\r
  24 \r
  25 import org.simantics.databoard.Datatypes;\r
  26 import org.simantics.databoard.binding.Binding;\r
  27 import org.simantics.databoard.binding.error.BindingConstructionException;\r
  28 import org.simantics.databoard.binding.impl.ArrayListBinding;\r
  29 import org.simantics.databoard.binding.impl.BooleanArrayBinding;\r
  30 import org.simantics.databoard.binding.impl.ByteArrayBinding;\r
  31 import org.simantics.databoard.binding.impl.DefaultMapBinding;\r
  32 import org.simantics.databoard.binding.impl.DefaultSetBinding;\r
  33 import org.simantics.databoard.binding.impl.DoubleArrayBinding;\r
  34 import org.simantics.databoard.binding.impl.FloatArrayBinding;\r
  35 import org.simantics.databoard.binding.impl.HashMapBinding;\r
  36 import org.simantics.databoard.binding.impl.HashSetBinding;\r
  37 import org.simantics.databoard.binding.impl.IntArrayBinding;\r
  38 import org.simantics.databoard.binding.impl.LinkedListBinding;\r
  39 import org.simantics.databoard.binding.impl.LongArrayBinding;\r
  40 import org.simantics.databoard.binding.impl.ObjectArrayBinding;\r
  41 import org.simantics.databoard.binding.impl.PriorityQueueBinding;\r
  42 import org.simantics.databoard.binding.impl.ThrowableBinding;\r
  43 import org.simantics.databoard.binding.impl.TreeMapBinding;\r
  44 import org.simantics.databoard.binding.impl.TreeSetBinding;\r
  45 import org.simantics.databoard.binding.impl.UUIDBinding;\r
  46 import org.simantics.databoard.binding.reflection.BindingProvider;\r
  47 import org.simantics.databoard.binding.reflection.BindingRequest;\r
  48 import org.simantics.databoard.binding.reflection.ClassBindingFactory;\r
  49 import org.simantics.databoard.binding.reflection.GenericArrayBinding;\r
  50 import org.simantics.databoard.type.ArrayType;\r
  51 import org.simantics.databoard.type.MapType;\r
  52 \r
  53 /**\r
  54  * This provider constructs Bindings for java.util classes.\r
  55  * \r
  56  * @author toni.kalajainen\r
  57  */\r
  58 public class JavaUtilBindingsProvider implements BindingProvider {\r
  59 \r
  60         @Override\r
  61         public Binding provideBinding(ClassBindingFactory factory, BindingRequest request) throws BindingConstructionException {\r
  62 \r
  63                 if ( UUID.class.isAssignableFrom( request.getClazz() ) ) {\r
  64                         return new UUIDBinding();\r
  65                 }\r
  66                 \r
  67                 if ( Throwable.class.isAssignableFrom( request.getClazz() ) ) {\r
  68                         @SuppressWarnings("unchecked")\r
  69                         Binding b = new ThrowableBinding( (Class<Throwable>) request.getClazz() ); \r
  70                         return b;\r
  71                 }\r
  72                 \r
  73         if (request.getClazz().isArray()) {\r
  74                 Class<?> c = request.getClazz();\r
  75                 if (c.equals(boolean[].class)) return new BooleanArrayBinding(new ArrayType(), null);\r
  76                 else if (c.equals(byte[].class)) return new ByteArrayBinding(new ArrayType(), null);\r
  77                 else if (c.equals(double[].class)) return new DoubleArrayBinding(new ArrayType(), null);\r
  78                 else if (c.equals(float[].class)) return new FloatArrayBinding(new ArrayType(), null);\r
  79                 else if (c.equals(int[].class)) return new IntArrayBinding(new ArrayType(), null);\r
  80                 else if (c.equals(long[].class)) return new LongArrayBinding(new ArrayType(), null);\r
  81                 else if (c.equals(Object[].class)) return new ObjectArrayBinding(new ArrayType(), null);\r
  82                 else return new GenericArrayBinding(request.getClazz(), new ArrayType(), null);\r
  83         } else if (LinkedList.class.isAssignableFrom(request.getClazz())) {\r
  84                         return new LinkedListBinding(new ArrayType(), null);\r
  85         } else if (List.class.isAssignableFrom(request.getClazz())) {\r
  86                         return new ArrayListBinding(new ArrayType(), null);\r
  87         } else if (PriorityQueue.class.isAssignableFrom(request.getClazz())) {\r
  88                 return new PriorityQueueBinding(new ArrayType(), null);\r
  89         }\r
  90 \r
  91         if (TreeSet.class.isAssignableFrom(request.getClazz())) {\r
  92             MapType type = new MapType();\r
  93             type.valueType = Datatypes.VOID;\r
  94                 return new TreeSetBinding(type, null);\r
  95         }\r
  96 \r
  97         if (HashSet.class.isAssignableFrom(request.getClazz())) {\r
  98             MapType type = new MapType();\r
  99             type.valueType = Datatypes.VOID;\r
 100                 return new HashSetBinding(type, null);\r
 101         }\r
 102         \r
 103         if (Set.class.isAssignableFrom(request.getClazz())) {\r
 104             MapType type = new MapType();\r
 105             type.valueType = Datatypes.VOID;\r
 106                 return new DefaultSetBinding(type, null);\r
 107         }\r
 108                 \r
 109         if (TreeMap.class.isAssignableFrom(request.getClazz())) {\r
 110                 return new TreeMapBinding(new MapType(), null, null);\r
 111         } \r
 112 \r
 113         if (HashMap.class.isAssignableFrom(request.getClazz())) {\r
 114                 return new HashMapBinding(new MapType(), null, null);\r
 115         }\r
 116 \r
 117         if (Map.class.isAssignableFrom(request.getClazz())) {\r
 118                 return new DefaultMapBinding(new MapType(), null, null);\r
 119         }\r
 120                         \r
 121                 return null;\r
 122         }\r
 123 \r
 124 }\r