bundles/org.simantics.databoard/src/org/simantics/databoard/binding/impl/UnsignedIntegerBinding.java

   1 package org.simantics.databoard.binding.impl;\r
   2 \r
   3 import org.simantics.databoard.binding.IntegerBinding;\r
   4 import org.simantics.databoard.binding.error.BindingException;\r
   5 import org.simantics.databoard.primitives.UnsignedInteger;\r
   6 import org.simantics.databoard.type.IntegerType;\r
   7 \r
   8 /**\r
   9  * Binding of {@link UnsignedInteger} to integer type.\r
  10  * This is bitwise binding, i.e. negative values bound to 0x100000000 + value.\r
  11  * \r
  12  * @author Toni Kalajainen <toni.kalajainen@iki.fi>\r
  13  */\r
  14 public abstract class UnsignedIntegerBinding extends IntegerBinding {\r
  15         \r
  16         UnsignedIntegerBinding(IntegerType type) {\r
  17                 super(type);\r
  18         }\r
  19 \r
  20         public static class Immutable extends UnsignedIntegerBinding {\r
  21 \r
  22                 public Immutable(IntegerType type) {\r
  23                         super(type);\r
  24                 }\r
  25                 \r
  26                 @Override\r
  27                 public Object create(int value) throws BindingException {\r
  28                         return UnsignedInteger.fromBits(value);\r
  29                 }\r
  30 \r
  31                 @Override\r
  32                 public Object create(Integer value) throws BindingException {\r
  33                         try {\r
  34                                 return UnsignedInteger.valueOf(value.intValue());\r
  35                         } catch (java.lang.IllegalArgumentException e) {\r
  36                                 throw new BindingException( e );\r
  37                         }\r
  38                 }\r
  39 \r
  40                 @Override\r
  41                 public Object create(Number value) throws BindingException {\r
  42                         try { \r
  43                                 return UnsignedInteger.valueOf(value.longValue());\r
  44                         } catch (java.lang.IllegalArgumentException e) {\r
  45                                 throw new BindingException( e );\r
  46                         }\r
  47                 }\r
  48 \r
  49                 @Override\r
  50                 public Object create(String value) throws BindingException {\r
  51                         try {\r
  52                                 return UnsignedInteger.valueOf( Long.valueOf(value) );\r
  53                         } catch (java.lang.IllegalArgumentException e) {\r
  54                                 throw new BindingException( e );\r
  55                         }\r
  56                 }               \r
  57                 \r
  58                 @Override\r
  59                 public void setValue(Object obj, Number value) throws BindingException {\r
  60                         throw new BindingException("UnsignedInteger is immutable class");\r
  61                 }\r
  62 \r
  63                 @Override\r
  64                 public void setValue(Object obj, int value) throws BindingException {\r
  65                         throw new BindingException("UnsignedInteger is immutable class");\r
  66                 }\r
  67                 \r
  68                 @Override\r
  69                 public boolean isImmutable() {\r
  70                         return true;\r
  71                 }\r
  72                                 \r
  73                 @Override\r
  74                 public boolean isInstance(Object obj) {\r
  75                         return obj instanceof UnsignedInteger.Immutable;\r
  76                 }               \r
  77         }\r
  78         \r
  79         public static class Mutable extends UnsignedIntegerBinding {\r
  80 \r
  81                 public Mutable(IntegerType type) {\r
  82                         super(type);\r
  83                 }\r
  84                 \r
  85                 @Override\r
  86                 public Object create(int value) throws BindingException {\r
  87                         return new UnsignedInteger.Mutable(value);\r
  88                 }\r
  89 \r
  90                 @Override\r
  91                 public Object create(Integer value) throws BindingException {\r
  92                         return new UnsignedInteger.Mutable(value);\r
  93                 }\r
  94 \r
  95                 @Override\r
  96                 public Object create(Number value) throws BindingException {\r
  97                         return UnsignedInteger.Mutable.fromBits(value.intValue());\r
  98                 }\r
  99 \r
 100                 @Override\r
 101                 public Object create(String value) throws BindingException {\r
 102                         return new UnsignedInteger.Mutable(value);\r
 103                 }\r
 104 \r
 105                 @Override\r
 106                 public void setValue(Object obj, Number value) throws BindingException {\r
 107                         UnsignedInteger.Mutable mi = (UnsignedInteger.Mutable) obj;\r
 108                         mi.setBits(value.intValue());\r
 109                 }\r
 110 \r
 111                 @Override\r
 112                 public void setValue(Object obj, int value) throws BindingException {\r
 113                         UnsignedInteger.Mutable mi = (UnsignedInteger.Mutable) obj;\r
 114                         mi.setBits(value);\r
 115                 }\r
 116 \r
 117                 @Override\r
 118                 public boolean isImmutable() {\r
 119                         return false;\r
 120                 }\r
 121 \r
 122                 @Override\r
 123                 public boolean isInstance(Object obj) {\r
 124                         return obj instanceof UnsignedInteger.Mutable;\r
 125                 }\r
 126                 \r
 127         }\r
 128 \r
 129         @Override\r
 130         public Integer getValue(Object obj) throws BindingException {\r
 131                 return ((UnsignedInteger)obj).toBits();\r
 132         }\r
 133 \r
 134         @Override\r
 135         public int getValue_(Object obj) throws BindingException {\r
 136                 return ((UnsignedInteger)obj).toBits();\r
 137         }\r
 138 \r
 139         @Override\r
 140         public String toString(Object value) throws BindingException {\r
 141                 return value.toString();\r
 142         }\r
 143 \r
 144 \r
 145 }\r