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/*
* @(#)DefaultHandler.java 1.23 06/28/07
*/
package com.sun.messaging.jmq.jmsserver.data;
import java.util.Hashtable;
import com.sun.messaging.jmq.jmsserver.data.PacketHandler;
import com.sun.messaging.jmq.jmsserver.resources.*;
import com.sun.messaging.jmq.io.Packet;
import com.sun.messaging.jmq.io.Status;
import com.sun.messaging.jmq.jmsserver.service.Connection;
import com.sun.messaging.jmq.jmsserver.service.imq.IMQConnection;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.util.log.Logger;
/**
* Handler class which deals with handling unexpected messages
*/
public class DefaultHandler extends ErrHandler
{
private static boolean DEBUG = false;
public void sendError(IMQConnection con, BrokerException ex, Packet pkt) {
// XXX REVISIT 3/7/00 racer
// add code to return ERROR message
// also log message
logger.logStack(Logger.ERROR,BrokerResources.E_INTERNAL_BROKER_ERROR, "Uncaught Exception", ex);
// send the reply
sendError(con, pkt, ex.getMessage(), ex.getStatusCode());
}
// if we get an uncaught exception, we want to make sure
// that the reply (if any) is sent back to the consumer
// so it doesnt hang because of a broker error or because
// the client sent bad protocol
public void sendError(IMQConnection con, Packet msg, String emsg, int status) {
sendError(con,
msg.getSendAcknowledge(),
msg.getPacketType(),
msg.getConsumerID(),
emsg, status);
}
public void sendError(IMQConnection con, boolean sendack,
int pktype, long consumerID,
String emsg, int status) {
if (sendack) {
Packet pkt = new Packet(con.useDirectBuffers());
pkt.setPacketType(pktype + 1);
pkt.setConsumerID(consumerID);
Hashtable hash = new Hashtable();
hash.put("JMQStatus", new Integer(status));
if (emsg != null) {
hash.put("JMQReason", emsg);
}
pkt.setProperties(hash);
con.sendControlMessage(pkt);
}
}
/**
* Method to handle messages we don't recognize. If the message
* has the 'A' bit set then the client is expecting a reply.
* By convetion reply packet types are the request packet type + 1.
*/
public boolean handle(IMQConnection con, Packet msg) throws
BrokerException
{
// Check if A bit is set
if (msg.getSendAcknowledge()) {
// 'A' bit is set. Send a NOT_IMPLEMENTED reply
if (DEBUG) {
logger.log(Logger.DEBUG,
"DefaultHandler: replying to unknown packet type: " +
msg.getPacketType());
}
Packet pkt = new Packet(con.useDirectBuffers());
pkt.setPacketType(msg.getPacketType() + 1);
pkt.setConsumerID(msg.getConsumerID());
Hashtable hash = new Hashtable();
hash.put("JMQStatus", new Integer(Status.NOT_IMPLEMENTED));
pkt.setProperties(hash);
con.sendControlMessage(pkt);
} else {
// No 'A' bit. Silently ignore
if (DEBUG) {
logger.log(Logger.DEBUG,
"DefaultHandler: ignoring unknown packet type : " +
msg.getPacketType());
}
}
return true;
}
}
