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

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.databoard.binding.factory;
  13
  14 import java.util.HashMap;
  15 import java.util.HashSet;
  16 import java.util.LinkedList;
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.PriorityQueue;
  20 import java.util.Set;
  21 import java.util.TreeMap;
  22 import java.util.TreeSet;
  23 import java.util.UUID;
  24
  25 import org.simantics.databoard.Datatypes;
  26 import org.simantics.databoard.binding.Binding;
  27 import org.simantics.databoard.binding.error.BindingConstructionException;
  28 import org.simantics.databoard.binding.impl.ArrayListBinding;
  29 import org.simantics.databoard.binding.impl.BooleanArrayBinding;
  30 import org.simantics.databoard.binding.impl.ByteArrayBinding;
  31 import org.simantics.databoard.binding.impl.DefaultMapBinding;
  32 import org.simantics.databoard.binding.impl.DefaultSetBinding;
  33 import org.simantics.databoard.binding.impl.DoubleArrayBinding;
  34 import org.simantics.databoard.binding.impl.FloatArrayBinding;
  35 import org.simantics.databoard.binding.impl.HashMapBinding;
  36 import org.simantics.databoard.binding.impl.HashSetBinding;
  37 import org.simantics.databoard.binding.impl.IntArrayBinding;
  38 import org.simantics.databoard.binding.impl.LinkedListBinding;
  39 import org.simantics.databoard.binding.impl.LongArrayBinding;
  40 import org.simantics.databoard.binding.impl.ObjectArrayBinding;
  41 import org.simantics.databoard.binding.impl.PriorityQueueBinding;
  42 import org.simantics.databoard.binding.impl.ThrowableBinding;
  43 import org.simantics.databoard.binding.impl.TreeMapBinding;
  44 import org.simantics.databoard.binding.impl.TreeSetBinding;
  45 import org.simantics.databoard.binding.impl.UUIDBinding;
  46 import org.simantics.databoard.binding.reflection.BindingProvider;
  47 import org.simantics.databoard.binding.reflection.BindingRequest;
  48 import org.simantics.databoard.binding.reflection.ClassBindingFactory;
  49 import org.simantics.databoard.binding.reflection.GenericArrayBinding;
  50 import org.simantics.databoard.type.ArrayType;
  51 import org.simantics.databoard.type.MapType;
  52
  53 /**
  54  * This provider constructs Bindings for java.util classes.
  55  *
  56  * @author toni.kalajainen
  57  */
  58 public class JavaUtilBindingsProvider implements BindingProvider {
  59
  60         @Override
  61         public Binding provideBinding(ClassBindingFactory factory, BindingRequest request) throws BindingConstructionException {
  62
  63                 if ( UUID.class.isAssignableFrom( request.getClazz() ) ) {
  64                         return new UUIDBinding();
  65                 }
  66
  67                 if ( Throwable.class.isAssignableFrom( request.getClazz() ) ) {
  68                         @SuppressWarnings("unchecked")
  69                         Binding b = new ThrowableBinding( (Class<Throwable>) request.getClazz() );
  70                         return b;
  71                 }
  72
  73         if (request.getClazz().isArray()) {
  74                 Class<?> c = request.getClazz();
  75                 if (c.equals(boolean[].class)) return new BooleanArrayBinding(new ArrayType(), null);
  76                 else if (c.equals(byte[].class)) return new ByteArrayBinding(new ArrayType(), null);
  77                 else if (c.equals(double[].class)) return new DoubleArrayBinding(new ArrayType(), null);
  78                 else if (c.equals(float[].class)) return new FloatArrayBinding(new ArrayType(), null);
  79                 else if (c.equals(int[].class)) return new IntArrayBinding(new ArrayType(), null);
  80                 else if (c.equals(long[].class)) return new LongArrayBinding(new ArrayType(), null);
  81                 else if (c.equals(Object[].class)) return new ObjectArrayBinding(new ArrayType(), null);
  82                 else return new GenericArrayBinding(request.getClazz(), new ArrayType(), null);
  83         } else if (LinkedList.class.isAssignableFrom(request.getClazz())) {
  84                         return new LinkedListBinding(new ArrayType(), null);
  85         } else if (List.class.isAssignableFrom(request.getClazz())) {
  86                         return new ArrayListBinding(new ArrayType(), null);
  87         } else if (PriorityQueue.class.isAssignableFrom(request.getClazz())) {
  88                 return new PriorityQueueBinding(new ArrayType(), null);
  89         }
  90
  91         if (TreeSet.class.isAssignableFrom(request.getClazz())) {
  92             MapType type = new MapType();
  93             type.valueType = Datatypes.VOID;
  94                 return new TreeSetBinding(type, null);
  95         }
  96
  97         if (HashSet.class.isAssignableFrom(request.getClazz())) {
  98             MapType type = new MapType();
  99             type.valueType = Datatypes.VOID;
 100                 return new HashSetBinding(type, null);
 101         }
 102
 103         if (Set.class.isAssignableFrom(request.getClazz())) {
 104             MapType type = new MapType();
 105             type.valueType = Datatypes.VOID;
 106                 return new DefaultSetBinding(type, null);
 107         }
 108
 109         if (TreeMap.class.isAssignableFrom(request.getClazz())) {
 110                 return new TreeMapBinding(new MapType(), null, null);
 111         }
 112
 113         if (HashMap.class.isAssignableFrom(request.getClazz())) {
 114                 return new HashMapBinding(new MapType(), null, null);
 115         }
 116
 117         if (Map.class.isAssignableFrom(request.getClazz())) {
 118                 return new DefaultMapBinding(new MapType(), null, null);
 119         }
 120
 121                 return null;
 122         }
 123
 124 }