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package org.rosuda.REngine.Rserve.protocol;
import org.rosuda.REngine.Rserve.protocol.RTalk;
// JRclient library - client interface to Rserve, see http://www.rosuda.org/Rserve/
// Copyright (C) 2004 Simon Urbanek
// --- for licensing information see LICENSE file in the original JRclient distribution ---
/** small class encapsulating packets from/to Rserv
@version $Id$
*/
public class RPacket {
int cmd;
byte[] cont;
/** construct new packet
@param Rcmd command
@param Rcont content */
public RPacket(int Rcmd, byte[] Rcont) {
cmd=Rcmd; cont=Rcont;
}
/** get command
@return command */
public int getCmd() { return cmd; }
/** check if last response was an OOB message (send or msg) */
public boolean isOOB() { return ((cmd & 0xf0000) == RTalk.CMD_OOB); }
/** check last response for RESP_OK
@return <code>true</code> if last response was OK */
public boolean isOk() { return ((cmd&15)==1); }
/** check last response for RESP_ERR
@return <code>true</code> if last response was ERROR */
public boolean isError() { return ((cmd&15)==2); }
/** get status code of last response
@return status code returned on last response */
public int getStat() { return ((cmd>>24)&127); }
/** get content
@return inner package content */
public byte[] getCont() { return cont; }
public String toString() { return "RPacket[cmd="+cmd+",len="+((cont==null)?"<null>":(""+cont.length))+"]"; }
}
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