Beispiel #1
0
 /**
  * Returns a {@code CompactId} constructed from the ID's external format contained in the
  * specified message buffer.
  *
  * @param buf a message buffer containing the external format of a {@code CompactId}
  * @return a {@code CompactId} constructed from the external format in the given message buffer
  * @throws IllegalArgumentException if the external format contained in the message buffer is
  *     malformed or unsupported
  */
 public static CompactId getCompactId(MessageBuffer buf) {
   int bufSize = buf.limit() - buf.position();
   if (bufSize == 0) {
     throw new IllegalArgumentException("empty buffer");
   }
   byte lengthByte = buf.getByte();
   int size = getExternalFormByteCount(lengthByte);
   if (bufSize < size) {
     throw new IllegalArgumentException("buffer size insufficient");
   }
   byte[] externalForm = new byte[size];
   externalForm[0] = lengthByte;
   for (int i = 1; i < size; i++) {
     externalForm[i] = buf.getByte();
   }
   return CompactId.fromExternalForm(externalForm);
 }
Beispiel #2
0
 /**
  * Puts the external form of this {@code CompactId} in the specified message buffer.
  *
  * @param buf a message buffer
  * @throws IllegalArgumentException if the message buffer size is insufficient
  */
 public void putCompactId(MessageBuffer buf) {
   if (buf.capacity() - buf.position() < externalForm.length) {
     throw new IllegalArgumentException("buffer size insufficient");
   }
   buf.putBytes(externalForm);
 }