/**
* Sets the data which should be compressed next. This should be only called when needsInput
* indicates that more input is needed. The given byte array should not be changed, before
* needsInput() returns true again.
*
* @param input the buffer containing the input data.
* @param off the start of the data.
* @param len the length of the data.
* @exception IllegalStateException if the buffer was finished() or ended() or if previous input
* is still pending.
*/
public void setInput(byte[] input, int off, int len) {
if (input == null) throw new NullPointerException();
if (off < 0 || len < 0 || off > input.length - len) throw new ArrayIndexOutOfBoundsException();
engine.setInput(input, off, len);
}
