bundles/org.simantics.databoard/src/org/simantics/databoard/serialization/impl/IntArraySerializer.java

   1 package org.simantics.databoard.serialization.impl;\r
   2 \r
   3 import java.io.DataInput;\r
   4 import java.io.DataOutput;\r
   5 import java.io.IOException;\r
   6 import java.util.List;\r
   7 \r
   8 import org.simantics.databoard.binding.ArrayBinding;\r
   9 import org.simantics.databoard.serialization.SerializationException;\r
  10 import org.simantics.databoard.serialization.Serializer.NonRecursiveSerializer;\r
  11 import org.simantics.databoard.type.ArrayType;\r
  12 import org.simantics.databoard.util.Range;\r
  13 \r
  14 public class IntArraySerializer extends NonRecursiveSerializer {\r
  15 \r
  16         Range length;\r
  17         Integer fixedLength, fixedSize;\r
  18         \r
  19         public IntArraySerializer(ArrayBinding binding)\r
  20         {\r
  21                 ArrayType arrayType = (ArrayType) binding.type();\r
  22                 this.length = arrayType.getLength();\r
  23                 if (length!=null && length.getLower().equals(length.getUpper()) && length.getLower().getValue()!=null)\r
  24                 {\r
  25                         fixedLength = length.getLower().getValue().intValue();\r
  26                         fixedSize = fixedLength * 4;\r
  27                 }\r
  28         }\r
  29         \r
  30         @Override\r
  31         public Object deserialize(DataInput in)\r
  32         throws IOException \r
  33         {\r
  34                 int length = fixedSize != null ? fixedLength : in.readInt();            \r
  35                 if (length<0) throw new SerializationException("Cannot use negative array length");\r
  36                 assertRemainingBytes(in, length*4L);                                    \r
  37                 \r
  38                 int[] array = new int[length];\r
  39                 for(int i=0;i<array.length;++i)\r
  40                         array[i] = in.readInt();\r
  41                 return array;\r
  42         }\r
  43         \r
  44         public Object deserializeToTry(DataInput in, List<Object> identities, Object obj) throws IOException\r
  45         {\r
  46                 int length = fixedLength != null ? fixedLength : in.readInt();\r
  47                 int[] array = (int[]) obj;\r
  48                 if (length!=array.length) array = new int[ length ];\r
  49                 assertRemainingBytes(in, length*4L);                                    \r
  50                 \r
  51                 for (int i=0; i<array.length;i++)\r
  52                         array[i] = in.readInt();\r
  53                 \r
  54                 return array;\r
  55         }\r
  56 \r
  57         @Override\r
  58         public void deserializeTo(DataInput in, Object obj) throws IOException {\r
  59                 int length = fixedLength != null ? fixedLength : in.readInt();\r
  60                 float[] array = (float[]) obj;\r
  61                 if (length!=array.length) throw new SerializationException("primitive array is size immutable");\r
  62                 assertRemainingBytes(in, length*4L);                                    \r
  63                 for (int i=0; i<array.length;i++)\r
  64                         array[i] = in.readFloat();\r
  65         }               \r
  66         \r
  67         @Override\r
  68         public void skip(DataInput in)\r
  69         throws IOException {\r
  70                 int length = fixedSize != null ? fixedLength : in.readInt();                    \r
  71                 in.skipBytes(length*4);\r
  72         }\r
  73         \r
  74         @Override\r
  75         public void serialize(DataOutput out, Object obj)\r
  76         throws IOException \r
  77         {\r
  78                 int[] array = (int[])obj;\r
  79                 if (fixedSize==null) \r
  80                         out.writeInt(array.length);\r
  81                 for(int f : array)\r
  82                         out.writeInt(f);\r
  83         }\r
  84 \r
  85         @Override\r
  86         public Integer getConstantSize() {\r
  87                 return fixedSize;\r
  88         }\r
  89 \r
  90         @Override\r
  91         public int getSize(Object obj) {\r
  92                 if (fixedSize!=null) return fixedSize;\r
  93                 int[] array = (int[])obj;                       \r
  94                 return 4 + 4 * array.length;\r
  95         }\r
  96 \r
  97         @Override\r
  98         public int getMinSize() {\r
  99                 return fixedSize != null ? fixedSize : 4;\r
 100         }\r
 101         \r
 102 }