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

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