116 lines
2.8 KiB
Java
116 lines
2.8 KiB
Java
/*
|
|
* Minecraft Forge
|
|
* Copyright (c) 2016-2020.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation version 2.1
|
|
* of the License.
|
|
*
|
|
* This library 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 GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
package net.minecraftforge.fml.loading;
|
|
|
|
import org.apache.logging.log4j.Logger;
|
|
|
|
import java.io.PrintStream;
|
|
|
|
/**
|
|
* PrintStream which redirects it's output to a given logger.
|
|
*
|
|
*/
|
|
public class TracingPrintStream extends PrintStream
|
|
{
|
|
|
|
private static final int BASE_DEPTH = 4;
|
|
private final Logger logger;
|
|
|
|
public TracingPrintStream(Logger logger, PrintStream original)
|
|
{
|
|
super(original);
|
|
this.logger = logger;
|
|
}
|
|
|
|
private void log(String s)
|
|
{
|
|
logger.info("{}{}", getPrefix(), s);
|
|
}
|
|
|
|
private static String getPrefix()
|
|
{
|
|
StackTraceElement[] elems = Thread.currentThread().getStackTrace();
|
|
StackTraceElement elem = elems[Math.min(BASE_DEPTH, elems.length - 1)]; // The caller is always at BASE_DEPTH, including this call.
|
|
if (elem.getClassName().startsWith("kotlin.io."))
|
|
{
|
|
elem = elems[Math.min(BASE_DEPTH + 2, elems.length - 1)]; // Kotlins IoPackage masks origins 2 deeper in the stack.
|
|
}
|
|
else if (elem.getClassName().startsWith("java.lang.Throwable"))
|
|
{
|
|
elem = elems[Math.min(BASE_DEPTH + 4, elems.length - 1)];
|
|
}
|
|
return "[" + elem.getClassName() + ":" + elem.getMethodName() + ":" + elem.getLineNumber() + "]: ";
|
|
}
|
|
|
|
@Override
|
|
public void println(Object o)
|
|
{
|
|
log(String.valueOf(o));
|
|
}
|
|
|
|
@Override
|
|
public void println(String s)
|
|
{
|
|
log(s);
|
|
}
|
|
|
|
@Override
|
|
public void println(boolean x)
|
|
{
|
|
log(String.valueOf(x));
|
|
}
|
|
|
|
@Override
|
|
public void println(char x)
|
|
{
|
|
log(String.valueOf(x));
|
|
}
|
|
|
|
@Override
|
|
public void println(int x)
|
|
{
|
|
log(String.valueOf(x));
|
|
}
|
|
|
|
@Override
|
|
public void println(long x)
|
|
{
|
|
log(String.valueOf(x));
|
|
}
|
|
|
|
@Override
|
|
public void println(float x)
|
|
{
|
|
log(String.valueOf(x));
|
|
}
|
|
|
|
@Override
|
|
public void println(double x)
|
|
{
|
|
log(String.valueOf(x));
|
|
}
|
|
|
|
@Override
|
|
public void println(char[] x)
|
|
{
|
|
log(String.valueOf(x));
|
|
}
|
|
}
|