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// 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 ---
//
// RserveException.java
//
// Created by Simon Urbanek on Mon Aug 18 2003.
//
// $Id$
//
package org.rosuda.REngine.Rserve;
import org.rosuda.REngine.Rserve.protocol.RPacket;
import org.rosuda.REngine.Rserve.protocol.RTalk;
import org.rosuda.REngine.REngineException;
public class RserveException extends REngineException {
protected String err;
protected int reqReturnCode;
public String getRequestErrorDescription() {
return getRequestErrorDescription(reqReturnCode);
}
public String getRequestErrorDescription(int code) {
switch(code) {
case 0: return "no error";
case 2: return "R parser: input incomplete";
case 3: return "R parser: syntax error";
case RTalk.ERR_auth_failed: return "authorization failed";
case RTalk.ERR_conn_broken: return "connection broken";
case RTalk.ERR_inv_cmd: return "invalid command";
case RTalk.ERR_inv_par: return "invalid parameter";
case RTalk.ERR_IOerror: return "I/O error on the server";
case RTalk.ERR_not_open: return "connection is not open";
case RTalk.ERR_access_denied: return "access denied (local to the server)";
case RTalk.ERR_unsupported_cmd: return "unsupported command";
case RTalk.ERR_unknown_cmd: return "unknown command";
case RTalk.ERR_data_overflow: return "data overflow, incoming data too big";
case RTalk.ERR_object_too_big: return "evaluation successful, but returned object is too big to transport";
case RTalk.ERR_out_of_mem: return "FATAL: Rserve ran out of memory, closing connection";
case RTalk.ERR_session_busy: return "session is busy";
case RTalk.ERR_detach_failed: return "session detach failed";
case RTalk.ERR_ctrl_closed: return "control pipe to master process is closed/broken";
}
return "error code: "+code;
}
public String getMessage() {
return super.getMessage() + ((reqReturnCode != -1) ? ", request status: " + getRequestErrorDescription() : "");
}
public RserveException(RConnection c, String msg) {
this(c,msg,-1);
}
public RserveException(RConnection c, String msg, Throwable cause) {
super(c, msg, cause);
reqReturnCode = -1;
if (c != null) c.lastError = getMessage();
}
public RserveException(RConnection c, String msg, int requestReturnCode) {
super(c, msg);
reqReturnCode = requestReturnCode;
if (c != null) c.lastError = getMessage();
}
public RserveException(RConnection c, String msg, RPacket p) {
this(c, msg, (p == null) ? -1 : p.getStat());
}
public int getRequestReturnCode() {
return reqReturnCode;
}
}
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