static char[] decode(byte[] bb, Charset cs, boolean testDirect, Time t) throws Exception { String csn = cs.name(); CharsetDecoder dec = cs.newDecoder(); ByteBuffer bbf; CharBuffer cbf; if (testDirect) { bbf = ByteBuffer.allocateDirect(bb.length); cbf = ByteBuffer.allocateDirect(bb.length * 2).asCharBuffer(); bbf.put(bb); } else { bbf = ByteBuffer.wrap(bb); cbf = CharBuffer.allocate(bb.length); } CoderResult cr = null; long t1 = System.nanoTime() / 1000; for (int i = 0; i < iteration; i++) { bbf.rewind(); cbf.clear(); dec.reset(); cr = dec.decode(bbf, cbf, true); } long t2 = System.nanoTime() / 1000; t.t = (t2 - t1) / iteration; if (cr != CoderResult.UNDERFLOW) { System.out.println("DEC-----------------"); int pos = bbf.position(); System.out.printf( " cr=%s, bbf.pos=%d, bb[pos]=%x,%x,%x,%x%n", cr.toString(), pos, bb[pos++] & 0xff, bb[pos++] & 0xff, bb[pos++] & 0xff, bb[pos++] & 0xff); throw new RuntimeException("Decoding err: " + csn); } char[] cc = new char[cbf.position()]; cbf.flip(); cbf.get(cc); return cc; }
static CoderResult decodeCR(byte[] bb, Charset cs, boolean testDirect) throws Exception { CharsetDecoder dec = cs.newDecoder(); ByteBuffer bbf; CharBuffer cbf; if (testDirect) { bbf = ByteBuffer.allocateDirect(bb.length); cbf = ByteBuffer.allocateDirect(bb.length * 2).asCharBuffer(); bbf.put(bb).flip(); } else { bbf = ByteBuffer.wrap(bb); cbf = CharBuffer.allocate(bb.length); } CoderResult cr = null; for (int i = 0; i < iteration; i++) { bbf.rewind(); cbf.clear(); dec.reset(); cr = dec.decode(bbf, cbf, true); } return cr; }