public static void test1() throws Exception {
for (int count = 1; count <= 32; count++) {
System.out.println("Count:" + count);
byte[] bytes =
new byte[] {
(byte) 0x12,
(byte) 0x34,
(byte) 0x56,
(byte) 0x78,
(byte) 0x9a,
(byte) 0xbc,
(byte) 0xde,
(byte) 0xff
};
int total = 8 * 8;
ByteArrayInputStream bIn = new ByteArrayInputStream(bytes);
BitInputStream in = new BitInputStream(bIn);
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
BitOutputStream out = new BitOutputStream(bOut);
int bitsRead = 0;
while (bitsRead <= (total - count)) {
int val = in.readBits(count);
out.writeBits(val, count);
// System.out.println( Integer.toHexString( in.readBits(count) ) );
bitsRead += count;
}
byte[] result = bOut.toByteArray();
for (int i = 0; i < result.length; i++)
System.out.print("[" + Integer.toHexString(result[i] & 0xff) + "]");
System.out.println();
}
}
public static void test2() throws Exception {
byte[] bytes =
new byte[] {
(byte) 0x12,
(byte) 0x34,
(byte) 0x56,
(byte) 0x78,
(byte) 0x9a,
(byte) 0xbc,
(byte) 0xde,
(byte) 0xff
};
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
BitOutputStream out = new BitOutputStream(bOut);
for (int i = 0; i < bytes.length; i++) {
out.writeBits(1, 1);
out.writeBits(bytes[i], 8);
out.writeLongBits(0x123456789abcdef0L, 64);
out.writeLongBits(-1, 64);
out.writeLongBits(0x80123456789abcdeL, 64);
}
out.close();
byte[] toRead = bOut.toByteArray();
System.out.println("Written length:" + toRead.length);
ByteArrayInputStream bIn = new ByteArrayInputStream(toRead);
BitInputStream in = new BitInputStream(bIn);
for (int i = 0; i < bytes.length; i++) {
int test = in.readBits(1);
int val = in.readBits(8);
long l1 = in.readLongBits(64);
long l2 = in.readLongBits(64);
long l3 = in.readLongBits(64);
System.out.print("[" + Integer.toHexString(val) + "]");
System.out.println(
"("
+ Long.toHexString(l1)
+ ", "
+ Long.toHexString(l2)
+ ", "
+ Long.toHexString(l3)
+ ")");
}
System.out.println();
}
