src/code/kalter/longflight/ByteArrayOutputStream.java

   1 package code.kalter.longflight;
   2
   3 /**
   4  * Удобная запись разных типов в байтовый массив
   5  *
   6  * @author KalterFive
   7  */
   8 public class ByteArrayOutputStream {
   9
  10     private final byte[] array;
  11     private int position;
  12
  13     public ByteArrayOutputStream(int size) {
  14         array = new byte[size];
  15         position = 0;
  16     }
  17
  18     public void writeByte(byte b) {
  19         array[position++] = b;
  20     }
  21
  22     public void writeShort(short s) {
  23         writeByte((byte) (s >> 8));
  24         writeByte((byte) s);
  25     }
  26
  27     public void writeInt(int i) {
  28         writeShort((short) (i >> 16));
  29         writeShort((short) i);
  30     }
  31
  32     public void writeLong(long l) {
  33         writeInt((int) (l >> 32));
  34         writeInt((int) l);
  35     }
  36
  37     public void writeByteArray(byte[] array, int length) {
  38         for (int i = 0; i < length; i++) {
  39             writeByte(array[i]);
  40         }
  41     }
  42
  43     public void writeShortArray(short[] array, int length) {
  44         for (int i = 0; i < length; i++) {
  45             writeShort(array[i]);
  46         }
  47     }
  48
  49     public void writeIntArray(int[] array, int length) {
  50         for (int i = 0; i < length; i++) {
  51             writeInt(array[i]);
  52         }
  53     }
  54
  55     public void writeLongArray(long[] array, int length) {
  56         for (int i = 0; i < length; i++) {
  57             writeLong(array[i]);
  58         }
  59     }
  60
  61     public byte[] toArray() {
  62         return array;
  63     }
  64 }