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/**
* the Protocol magic numbers and chars
* @author Yannick Jestin
* @author <a href="http://www.tls.cena.fr/products/ivy/">http://www.tls.cena.fr/products/ivy/</a>
*
* CHANGELOG:
* 1.2.16
* introduced to remove the int enum pattern
*/
package fr.dgac.ivy;
enum Protocol {
BYE(0), /* end of the peer */
ADDREGEXP(1), /* the peer adds a regexp */
MSG(2), /* the peer sends a message */
ERROR(3), /* error message */
DELREGEXP(4), /* the peer removes one of his regex */
ENDREGEXP(5), /* no more regexp in the handshake */
SCHIZOTOKEN(6), /* avoid race condition in concurrent connexions, aka BeginRegexp in other implementations */
DIRECTMSG(7), /* the peer sends a direct message */
DIE(8), /* the peer wants us to quit */
PING(9),
PONG(10);
final static char STARTARG = '\u0002';/* begin of arguments */
final static char ENDARG = '\u0003'; /* end of arguments */
final static char ESCAPE = '\u001A';
final static char NEWLINE = '\n';
final static int PROTOCOLVERSION = 3 ;
final static int PROTOCOLMINIMUM = 3 ;
final static int MI = 3 ;
private int value = -1;
private Protocol(int v) {this.value = v;}
int value() {return value;}
static Protocol fromString(String s) throws IvyException {
try {
return fromInt(Integer.parseInt(s));
} catch (NumberFormatException nfe) {
throw new IvyException("protocol problem: "+s+" is not a valid integer");
}
}
static Protocol fromInt(int i) throws IvyException {
for (Protocol p : Protocol.values())
if (p.value() == i) return p;
throw new IvyException("protocol magic number "+i+" not known");
}
}
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