bundles/org.simantics.databoard/src/org/simantics/databoard/binding/classfactory/ImmutableClassesFactory.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.classfactory;\r
  13 \r
  14 import java.lang.annotation.Annotation;\r
  15 import java.lang.reflect.Array;\r
  16 import java.util.ArrayList;\r
  17 import java.util.List;\r
  18 import java.util.TreeMap;\r
  19 \r
  20 import org.simantics.databoard.annotations.ArgumentImpl;\r
  21 import org.simantics.databoard.annotations.LengthImpl;\r
  22 import org.simantics.databoard.annotations.MIMETypeImpl;\r
  23 import org.simantics.databoard.annotations.PatternImpl;\r
  24 import org.simantics.databoard.annotations.RangeImpl;\r
  25 import org.simantics.databoard.annotations.UnitImpl;\r
  26 import org.simantics.databoard.binding.error.BindingConstructionException;\r
  27 import org.simantics.databoard.binding.mutable.Variant;\r
  28 import org.simantics.databoard.binding.reflection.BindingRequest;\r
  29 import org.simantics.databoard.type.ArrayType;\r
  30 import org.simantics.databoard.type.BooleanType;\r
  31 import org.simantics.databoard.type.ByteType;\r
  32 import org.simantics.databoard.type.Datatype;\r
  33 import org.simantics.databoard.type.DoubleType;\r
  34 import org.simantics.databoard.type.FloatType;\r
  35 import org.simantics.databoard.type.IntegerType;\r
  36 import org.simantics.databoard.type.LongType;\r
  37 import org.simantics.databoard.type.MapType;\r
  38 import org.simantics.databoard.type.NumberType;\r
  39 import org.simantics.databoard.type.StringType;\r
  40 import org.simantics.databoard.type.VariantType;\r
  41 \r
  42 public class ImmutableClassesFactory implements TypeClassSubFactory {\r
  43         \r
  44         public ImmutableClassesFactory() {\r
  45         }\r
  46         \r
  47         @Override\r
  48         public BindingRequest construct(TypeClassFactory mainFactory, Datatype type) \r
  49         throws BindingConstructionException \r
  50         {\r
  51                 \r
  52                 if ( type instanceof ArrayType ) {\r
  53                         List<Annotation> annotations = new ArrayList<Annotation>();\r
  54                         ArrayType at = (ArrayType) type;\r
  55                         BindingRequest cbr = construct(mainFactory, at.componentType);\r
  56                         if ( cbr == null ) {\r
  57                                 cbr = mainFactory.getClass(at.componentType);                           \r
  58                         }\r
  59 \r
  60                         String length = at.metadata.get(ArrayType.KEY_LENGTH);\r
  61                         if (length != null) annotations.add( new LengthImpl( length ) );\r
  62                         \r
  63                         if ( cbr.getClazz() != null ) {\r
  64                                 for (Annotation a : cbr.annotations)\r
  65                                 {\r
  66                                         annotations.add( a );\r
  67                                 }\r
  68                                 \r
  69                                 Class<?> arrayClass = Array.newInstance(cbr.getClazz(), 0).getClass();\r
  70                                 return new BindingRequest( arrayClass, annotations );\r
  71                         }\r
  72                 }\r
  73                 \r
  74                 if ( type instanceof MapType ) {\r
  75                         MapType mt = (MapType) type;\r
  76                         List<Annotation> annotations = new ArrayList<Annotation>();\r
  77                         BindingRequest kbr = construct(mainFactory, mt.keyType);\r
  78                         BindingRequest vbr = construct(mainFactory, mt.valueType);\r
  79                         if ( kbr == null ) kbr = mainFactory.getClass(mt.keyType);                                                      \r
  80                         if ( vbr == null ) vbr = mainFactory.getClass(mt.valueType);\r
  81                         if ( kbr.getClazz()!=null && vbr.getClazz()!=null ) {\r
  82                                 annotations.add( new ArgumentImpl(kbr.getClazz(), vbr.getClazz()) );                    \r
  83                                 return new BindingRequest( TreeMap.class, annotations );\r
  84                         }\r
  85                 }\r
  86                 \r
  87                 if ( type instanceof StringType ) {\r
  88                         List<Annotation> annotations = new ArrayList<Annotation>();\r
  89                         StringType st = (StringType) type;\r
  90                         \r
  91                         String pattern = st.metadata.get(StringType.KEY_PATTERN);\r
  92                         if (pattern != null) annotations.add( new PatternImpl( pattern ) );\r
  93                         \r
  94                         String mimetype = st.metadata.get(StringType.KEY_MIMETYPE);\r
  95                         if (mimetype != null) annotations.add( new MIMETypeImpl( mimetype ) );\r
  96                         \r
  97                         String length = st.metadata.get(StringType.KEY_LENGTH);\r
  98                         if (length != null) annotations.add( new LengthImpl( length ) );\r
  99                         \r
 100                         return new BindingRequest( String.class, annotations );                 \r
 101                 }\r
 102                 \r
 103                 if ( type instanceof NumberType ) {\r
 104                         List<Annotation> annotations = new ArrayList<Annotation>();\r
 105                         NumberType nt = (NumberType) type;\r
 106                         \r
 107                         String unit = nt.metadata.get(NumberType.KEY_UNIT);\r
 108                         if (unit != null) annotations.add( new UnitImpl(unit) );\r
 109                         \r
 110                         String range = nt.metadata.get(NumberType.KEY_RANGE);\r
 111                         if (range != null) annotations.add( new RangeImpl(range) );\r
 112                         \r
 113                         Class<?> clazz = null;\r
 114                         if ( type instanceof IntegerType ) clazz = int.class;\r
 115                         if ( type instanceof ByteType ) clazz = byte.class;\r
 116                         if ( type instanceof LongType ) clazz = long.class;\r
 117                         if ( type instanceof DoubleType ) clazz = double.class;\r
 118                         if ( type instanceof FloatType ) clazz = float.class;\r
 119                         \r
 120                         return new BindingRequest( clazz, annotations );\r
 121                 }\r
 122                 \r
 123                 if ( type instanceof BooleanType ) {\r
 124                         return new BindingRequest( boolean.class );\r
 125                 }\r
 126                 \r
 127                 if ( type instanceof VariantType ) {\r
 128                         return new BindingRequest( Variant.class );\r
 129                 }\r
 130                 \r
 131                 return null;\r
 132         }\r
 133 \r
 134 }\r