/**
* Sets the dictionary which should be used in the deflate process. The dictionary should be a
* byte array containing strings that are likely to occur in the data which should be compressed.
* The dictionary is not stored in the compressed output, only a checksum. To decompress the
* output you need to supply the same dictionary again.
*
* @param dict the dictionary.
* @param offset an offset into the dictionary.
* @param length the length of the dictionary.
* @exception IllegalStateException if setInput () or deflate () were already called or another
* dictionary was already set.
*/
public void setDictionary(byte[] dict, int offset, int length) {
if (state != INIT_STATE) throw new IllegalStateException();
state = SETDICT_STATE;
engine.setDictionary(dict, offset, length);
}
