mq5.0-source.main.mq-client.src.main.java.com.sun.messaging.jmq.jmsclient.logging.PacketFormatter Maven / Gradle / Ivy
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/*
* @(#)PacketFormatter.java 1.3 06/27/07
*/
package com.sun.messaging.jmq.jmsclient.logging;
import java.util.*;
import java.util.logging.*;
import java.io.*;
import com.sun.messaging.jmq.io.ReadOnlyPacket;
/**
* MQ packet formatter.
*
* This is also a utility class that may be used to format MQ packets.
*/
public class PacketFormatter extends SimpleFormatter {
/**
* Format the log record. If this is a MQ packet record, it is formatted
* to the packet format. Otherwise, the simple formatter format is used.
*/
public synchronized String format(LogRecord record) {
String str = doFormat (record);
if ( str == null ) {
str = super.format(record);
}
return str;
}
/**
* Check if this is a MQ packet. If yes, calls formatPacket method to
* format the packet.
*/
public static String doFormat (LogRecord record) {
String lstring = null;
ReadOnlyPacket pkt = getPacket(record);
if ( pkt != null ) {
long time = record.getMillis();
Date date = new Date();
date.setTime(time);
lstring = date.toString() + " " + record.getMessage() + "\n";
lstring = lstring + formatPkt(pkt);
}
return lstring;
}
/**
* Get MQ packet from the log record.
*/
public static ReadOnlyPacket getPacket(LogRecord record) {
ReadOnlyPacket pkt = null;
Object obj[] = record.getParameters();
if (obj != null) {
for (int i = 0; i < obj.length; i++) {
if (obj[i] instanceof ReadOnlyPacket ) {
pkt = (ReadOnlyPacket) obj[i];
break;
}
}
}
return pkt;
}
/**
* Format MQ packet.
*/
public static String formatPkt(ReadOnlyPacket pkt) {
String out = null;
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(baos);
pkt.dump(ps);
ps.flush();
ps.close();
baos.close();
out = baos.toString();
} catch (Exception ex) {
ex.printStackTrace();
}
return out;
}
}