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/*
* @(#)AdminCmdHandler.java 1.25 06/28/07
*/
package com.sun.messaging.jmq.jmsserver.data.handlers.admin;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Hashtable;
import com.sun.messaging.jmq.io.Packet;
import com.sun.messaging.jmq.io.PacketType;
import com.sun.messaging.jmq.io.Status;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.config.BrokerConfig;
import com.sun.messaging.jmq.jmsserver.resources.BrokerResources;
import com.sun.messaging.jmq.jmsserver.service.imq.IMQConnection;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
import com.sun.messaging.jmq.util.DestType;
import com.sun.messaging.jmq.util.admin.MessageType;
import com.sun.messaging.jmq.util.log.Logger;
public class AdminCmdHandler
{
AdminDataHandler parent = null;
private static boolean DEBUG = false;
public static boolean getDEBUG() {
return DEBUG;
}
protected Logger logger = Globals.getLogger();
protected BrokerConfig props = Globals.getConfig();
protected BrokerResources rb = Globals.getBrokerResources();
public AdminCmdHandler() {
}
public AdminCmdHandler(AdminDataHandler parent) {
this.parent = parent;
}
/**
* Default handler. Just replies to the message with the
* correct reply message type and a status of "Not Implemented"
*/
public boolean handle(IMQConnection con, Packet cmd_msg,
Hashtable cmd_props) {
Integer n = (Integer)cmd_props.get(MessageType.JMQ_MESSAGE_TYPE);
Packet reply = new Packet(con.useDirectBuffers());
reply.setPacketType(PacketType.OBJECT_MESSAGE);
// By convention reply message is the message type + 1
setProperties(reply, n.intValue() + 1, Status.ERROR, "Not Implemented");
parent.sendReply(con, cmd_msg, reply);
return true;
}
public static void setProperties(Packet pkt,
int message_type, int status, String error_string) {
setProperties(pkt, message_type, status,
error_string, null);
}
public static void setProperties(Packet pkt,
int message_type, int status, String error_string,
Hashtable addprops) {
Hashtable props = null;
if (addprops != null) {
props =new Hashtable(addprops);
} else {
props =new Hashtable();
}
props.put(MessageType.JMQ_MESSAGE_TYPE, new Integer(message_type));
props.put(MessageType.JMQ_STATUS, new Integer(status));
if (error_string != null) {
props.put(MessageType.JMQ_ERROR_STRING, error_string);
}
pkt.setProperties(props);
}
/**
* Get object from the body of a packet
*/
protected Object getBodyObject(Packet pkt) {
ObjectInputStream ois;
Object o = null;
// Extract the object from the message body
try {
ois = new ObjectInputStream(pkt.getMessageBodyStream());
o = ois.readObject();
} catch (Exception e) {
// Programing error. Do not need to localize
logger.log(Logger.ERROR, rb.E_INTERNAL_BROKER_ERROR,
this.getClass().getName() +
" : Got exception reading body of administration message:\n" +
e + "\n" +
pkt.dumpPacketString());
}
return o;
}
/**
* Set an object into the body of a packet
*/
protected void setBodyObject(Packet pkt, Object o) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
try {
ObjectOutputStream oos = new ObjectOutputStream(bos);
oos.writeObject(o);
oos.close();
pkt.setMessageBody(bos.toByteArray());
} catch (Exception e) {
// Programing error. Do not need to localize
logger.log(Logger.ERROR, rb.E_INTERNAL_BROKER_ERROR,
this.getClass().getName() +
" : Got exception writing Vector to admin reply message:\n" +
e + "\n" + o.toString());
}
}
/**
* Get a message from an Exception. This basically checks
* if the exception is a BrokerException and properly formats
* the linked exceptions message. The string returned does
* NOT include the exception name.
*/
public static String getMessageFromException(Exception e) {
String m = e.getMessage();
if (e instanceof BrokerException) {
Throwable root_ex = ((BrokerException)e).getCause();
if (root_ex == null) return m; // no root cause
String lm = root_ex.getMessage();
if (lm != null) {
m = m + "\n" + lm;
}
}
return m;
}
public void waitForHandlersToComplete(int secs)
{
parent.waitForHandlersToComplete(secs);
}
public String getDestinationType(int mask) {
if (DestType.isTopic(mask)) {
return rb.getString(BrokerResources.M_TOPIC);
} else if (DestType.isQueue(mask)) {
return rb.getString(BrokerResources.M_QUEUE);
} else {
return "?????";
}
}
}