Files
gzz-mirror/Java/ZZLogger.java
2026-09-14 20:19:29 -04:00

84 lines
2.1 KiB
Java

/*
Main.java
*
* Copyright (c) 1999, 2000 Ted Nelson and Tuomas Lukka
*
* You may use and distribute under the terms of either the GNU Lesser
* General Public License, either version 2 of the license or,
* at your choice, any later version. Alternatively, you may use and
* distribute under the terms of the XPL.
*
* See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of
* the licenses.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the README
* file for more details.
*
*/
/*
* Written by Antti-Juhani Kaijanaho and Tuomas Lukka.
*/
package org.gzigzag;
import java.lang.reflect.*;
import java.io.*;
/** A static package for logging things into a file.
* Used for providing ZZ developers with debug output to help them
* solve crashes.
*/
public class ZZLogger {
public static PrintWriter logfile = null;
private static boolean syslog = false;
public static void tryInitSyslog() {
try {
SysLogger.init();
} catch (UnsatisfiedLinkError e) {
exc(e);
return;
}
syslog = true;
}
public static void exc(Throwable t, String s) {
log(""+s);
exc(t);
}
public static void exc(Throwable t) {
if(t instanceof InvocationTargetException) {
Throwable t1 = ((InvocationTargetException)t).getTargetException();
verblog("InvokeException content: ");
exc(t1);
}
log(""+t);
t.printStackTrace();
if(logfile != null) {
t.printStackTrace(logfile);
logfile.flush();
}
}
public static void log(String s) {
System.err.println(s);
if (syslog) SysLogger.log(s);
filelog(s);
}
private static void filelog(String s) {
if (logfile != null) {
logfile.println(s);
logfile.flush();
}
}
public static void verblog(String s) {
if (syslog) SysLogger.verblog(s);
}
}