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/*
*/
package com.sun.messaging.bridge.admin.handlers;
import java.util.Locale;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.Message;
import javax.jms.ObjectMessage;
import javax.jms.MessageProducer;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import com.sun.messaging.bridge.api.BridgeBaseContext;
import com.sun.messaging.bridge.api.BridgeException;
import com.sun.messaging.bridge.api.BridgeServiceManager;
import com.sun.messaging.bridge.admin.BridgeServiceManagerImpl;
import com.sun.messaging.bridge.admin.resources.BridgeManagerResources;
import com.sun.messaging.bridge.admin.util.AdminMessageType;
import com.sun.messaging.jmq.io.Status;
/**
*/
public class AdminMessageHandler
{
private static boolean DEBUG = false;
private BridgeManagerResources _br = null;
private BridgeBaseContext _bc = null;
private BridgeServiceManagerImpl _bsm = null;
private AdminCmdHandler[] _handlers = null;
public AdminMessageHandler(BridgeServiceManagerImpl bsm) {
DEBUG = bsm.getDEBUG();
_bc = bsm.getBridgeBaseContext();
_br = bsm.getBridgeManagerResources();
_bsm = bsm;
initHandlers();
}
protected boolean getDEBUG() {
return DEBUG;
}
/**
*/
public void handle(Session session, ObjectMessage msg) {
BridgeManagerResources bmr = _br;
ObjectMessage reply = null;
int msgType = AdminMessageType.Type.LAST;
try {
reply = session.createObjectMessage();
if (DEBUG) {
_bc.logInfo("BridgeAdminMessageHandler.handle:\n<<<<****"+msg.toString(), null);
}
try {
String lang = msg.getStringProperty(AdminMessageType.PropName.LOCALE_LANG);
String country = msg.getStringProperty(AdminMessageType.PropName.LOCALE_COUNTRY);
String variant = msg.getStringProperty(AdminMessageType.PropName.LOCALE_VARIANT);
Locale locale = new Locale(lang, country, variant);
bmr = _bsm.getBridgeManagerResources(locale);
} catch (Exception e) {
bmr = _br;
String emsg = _br.getKString(_br.E_GET_LOCALE_FAILED, e.toString(), msg.toString());
_bc.logWarn(emsg, null);
}
Destination dest = msg.getJMSDestination();
if (!(dest instanceof Queue)) {
throw new BridgeException(_br.getKString(_br.X_ADMIN_MSG_NOT_QUEUE, dest));
}
if (!((Queue)dest).getQueueName().equals(_bsm.getAdminDestinationName())) {
throw new BridgeException(_br.getKString(_br.X_ADMIN_MSG_UNEXPECTED_DEST, dest));
}
try {
msgType = msg.getIntProperty(AdminMessageType.PropName.MESSAGE_TYPE);
} catch (Exception e) {
msgType = AdminMessageType.Type.LAST;
String emsg = _br.getKString(_br.X_EXCEPTION_PROCESSING_ADMIN_MSG, msg.toString());
_bc.logError(emsg, e);
throw new BridgeException(emsg, e);
}
AdminCmdHandler ach = null;
try {
ach = _handlers[msgType];
} catch (IndexOutOfBoundsException e) {
String emsg = _br.getKString(_br.X_UNEXPECTED_ADMIN_MSG_TYPE, AdminMessageType.getString(msgType));
throw new BridgeException(emsg);
}
if (ach == null) {
String emsg = "No bridge admin handler for message type "+AdminMessageType.getString(msgType);
throw new BridgeException(emsg);
}
reply.setIntProperty(AdminMessageType.PropName.MESSAGE_TYPE, ++msgType);
ach.handle(session, msg, reply, bmr);
} catch (Throwable t) {
int status = Status.ERROR;
if (t instanceof BridgeException) {
BridgeException be = (BridgeException)t;
status = be.getStatus();
if (be.getCause() == null) {//else should already logged
_bc.logError(t.getMessage(), null);
}
} else {
_bc.logError(t.getMessage(), t);
}
if (DEBUG) {
_bc.logInfo("BridgeAdminMessageHandler exception: "+t.getMessage()+
(reply == null ? "no reply created":"sending error reply"), t);
}
if (reply != null) {
sendReply(session, msg, reply, status, AdminCmdHandler.getMessageFromThrowable(t), bmr);
}
}
}
/**
*/
private void initHandlers() {
_handlers = new AdminCmdHandler[AdminMessageType.Type.LAST];
_handlers[AdminMessageType.Type.LIST] = new ListHandler(this, _bsm);
_handlers[AdminMessageType.Type.PAUSE] = new PauseHandler(this, _bsm);
_handlers[AdminMessageType.Type.RESUME] = new ResumeHandler(this, _bsm);
_handlers[AdminMessageType.Type.START] = new StartHandler(this, _bsm);
_handlers[AdminMessageType.Type.STOP] = new StopHandler(this, _bsm);
_handlers[AdminMessageType.Type.HELLO] = new HelloHandler(this, _bsm);
_handlers[AdminMessageType.Type.DEBUG] = new DebugHandler(this, _bsm);
}
/**
*/
public void sendReply(Session session,
Message msg, ObjectMessage replyMsg,
int status, String emsg, BridgeManagerResources bmr) {
ObjectMessage reply = replyMsg;
try {
Destination replyTo = msg.getJMSReplyTo();
if (replyTo == null) {
_bc.logError("Bridge admin message has no JMSReplyTo destination. Not replying.", null);
return;
}
if (reply == null) {
reply = session.createObjectMessage();
}
reply.setIntProperty(AdminMessageType.PropName.STATUS, status);
if (emsg != null) {
reply.setStringProperty(AdminMessageType.PropName.ERROR_STRING, emsg);
}
MessageProducer sender = session.createProducer(replyTo);
sender.send(reply, DeliveryMode.NON_PERSISTENT, 4, 0);
if (DEBUG) {
try {
_bc.logInfo("BridgeAdminMessageHandler: sent REPLY\n>>>>****" + reply.toString()+"Body:"+reply.getObject(), null);
} catch (Throwable t) {
_bc.logWarn("Unexpected exception : "+t.getMessage(), t);
}
}
} catch (Throwable t) {
_bc.logError(_br.getKString(_br.E_UNABLE_SEND_ADMIN_REPLY, reply.toString(), msg.toString()), t);
}
}
}
