public synchronized byte[] decode(byte[] input) throws IOException {
mBuilder.clear();
int len = input.length;
for (int i = 0; i < len; ) {
byte atom = input[i];
if (atom != '%') {
mBuilder.append(atom);
i += 1;
} else {
mBuilder.append(convertChar2Byte(input, i));
i += 3;
}
}
byte[] output = new byte[mBuilder.length()];
System.arraycopy(mBuilder.getBuffer(), 0, output, 0, output.length);
return output;
}
public synchronized String encode(byte[] input, int start, int end) {
mBuilder.clear();
for (int i = start; i < end; i++) {
byte atom = input[i];
if (isConvert(atom)) {
encodeAtPersent(atom);
} else {
mBuilder.append(atom);
}
}
return new String(mBuilder.getBuffer(), 0, mBuilder.length());
}
private void encodeAtPersent(byte atom) {
mBuilder.append((byte) '%');
mBuilder.append(sEncodeMap[(0xF0 & atom) >> 4]);
mBuilder.append(sEncodeMap[atom & 0xF]);
}