//ConsoleOutErrHandler.java
//-------------------------------------
//part of YACY
//(C) by Michael Peter Christen; mc@yacy.net
//first published on http://www.anomic.de
//Frankfurt, Germany, 2004
//
//This file is contributed by Martin Thelian
//
// $LastChangedDate$
// $LastChangedRevision$
// $LastChangedBy$
//
//This program is free software; you can redistribute it and/or modify
//it under the terms of the GNU General Public License as published by
//the Free Software Foundation; either version 2 of the License, or
//(at your option) any later version.
//
//This program 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 General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package net.yacy.kelondro.logging;
import java.io.UnsupportedEncodingException;
import java.util.logging.ConsoleHandler;
import java.util.logging.Filter;
import java.util.logging.Formatter;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogManager;
import java.util.logging.LogRecord;
import java.util.logging.SimpleFormatter;
import net.yacy.cora.util.ConcurrentLog;
public final class ConsoleOutErrHandler extends Handler {
private boolean ignoreCtrlChr = false;
private Level splitLevel = Level.WARNING;
private final Handler stdOutHandler;
private final Handler stdErrHandler;
public ConsoleOutErrHandler() {
this.stdOutHandler = new ConsoleOutHandler();
this.stdErrHandler = new ConsoleHandler();
this.stdOutHandler.setLevel(Level.FINEST);
this.stdErrHandler.setLevel(Level.WARNING);
configure();
}
/**
* Get any configuration properties set
*/
private void configure() {
final LogManager manager = LogManager.getLogManager();
final String className = getClass().getName();
final String level = manager.getProperty(className + ".level");
setLevel((level == null) ? Level.INFO : Level.parse(level));
final Level levelStdOut = parseLevel(manager.getProperty(className + ".levelStdOut"));
final Level levelSplit = parseLevel(manager.getProperty(className + ".levelSplit"));
final Level levelStdErr = parseLevel(manager.getProperty(className + ".levelStdErr"));
setLevels(levelStdOut,levelSplit,levelStdErr);
final String filter = manager.getProperty(className + ".filter");
setFilter(makeFilter(filter));
final String formatter = manager.getProperty(className + ".formatter");
setFormatter(makeFormatter(formatter));
final String encoding = manager.getProperty(className + ".encoding");
try {
this.stdOutHandler.setEncoding(encoding);
this.stdErrHandler.setEncoding(encoding);
} catch (final UnsupportedEncodingException e) {
ConcurrentLog.logException(e);
}
final String ignoreCtrlChrStr = manager.getProperty(className + ".ignoreCtrlChr");
this.ignoreCtrlChr = (ignoreCtrlChrStr==null) ? false : "true".equalsIgnoreCase(ignoreCtrlChrStr);
}
private Level parseLevel(final String levelName) {
try {
return (levelName == null) ? Level.INFO : Level.parse(levelName);
} catch (final Exception e) {
return Level.ALL;
}
}
private Filter makeFilter(final String name) {
if (name == null) return null;
Filter f = null;
try {
final Class<?> c = Class.forName(name);
f = (Filter)c.newInstance();
} catch (final Exception e) {
if (name != null) {
System.err.println("Unable to load filter: " + name);
}
}
return f;
}
private Formatter makeFormatter(final String name) {
if (name == null) return null;
Formatter f = null;
try {
final Class<?> c = Class.forName(name);
f = (Formatter)c.newInstance();
} catch (final Exception e) {
f = new SimpleFormatter();
}
return f;
}
@Override
public final void publish(final LogRecord record) {
if (!isLoggable(record)) return;
if (this.ignoreCtrlChr) {
String msg = record.getMessage();
if (msg != null) {
msg = msg.replaceAll("[\u0000-\u0008\u000B\u000C\u000E-\u001F]"," ");
}
record.setMessage(msg);
}
if (record.getLevel().intValue() >= this.splitLevel.intValue()) {
this.stdOutHandler.publish(record);
this.stdOutHandler.flush();
this.stdErrHandler.publish(record);
this.stdErrHandler.flush();
} else {
this.stdOutHandler.publish(record);
}
}
@Override
public void flush() {
this.stdOutHandler.flush();
this.stdErrHandler.flush();
}
@Override
public synchronized void close() throws SecurityException {
this.stdOutHandler.close();
this.stdErrHandler.close();
}
@Override
public synchronized void setLevel(final Level newLevel) throws SecurityException {
super.setLevel(newLevel);
}
public void setLevels(final Level stdOutLevel, final Level splitLevel, final Level stdErrLevel) throws SecurityException {
this.stdOutHandler.setLevel(stdOutLevel);
this.splitLevel = splitLevel;
this.stdErrHandler.setLevel(stdErrLevel);
}
@Override
public synchronized void setFormatter(final Formatter newFormatter) throws SecurityException {
super.setFormatter(newFormatter);
if (newFormatter == null) return;
try {
this.stdOutHandler.setFormatter(newFormatter.getClass().newInstance());
this.stdErrHandler.setFormatter(newFormatter.getClass().newInstance());
} catch (final Exception e) {
throw new SecurityException(e.getMessage());
}
}
@Override
public final synchronized void setFilter(final Filter newFilter) throws SecurityException {
super.setFilter(newFilter);
if (newFilter == null) return;
try {
this.stdOutHandler.setFilter(newFilter.getClass().newInstance());
this.stdErrHandler.setFilter(newFilter.getClass().newInstance());
} catch (final Exception e) {
throw new SecurityException(e.getMessage());
}
}
}