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/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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; either version 2.1 of
* the License, or (at your option) any later version.
*
* 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 GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.modules.log;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jboss.modules.Main;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleIdentifier;
import org.jboss.modules.ModuleLoader;
/**
* A {@link ModuleLogger} which logs to a JDK logging category.
*
* @author David M. Lloyd
*/
public final class JDKModuleLogger implements ModuleLogger {
private static final Level TRACE;
private static final Level DEBUG;
private static final Level WARN;
static {
Level trace;
Level debug;
Level warn;
try {
trace = Level.parse("TRACE");
} catch (IllegalArgumentException ignored) {
trace = Level.FINEST;
}
try {
debug = Level.parse("DEBUG");
} catch (IllegalArgumentException ignored) {
debug = Level.FINE;
}
try {
warn = Level.parse("WARN");
} catch (IllegalArgumentException ignored) {
warn = Level.WARNING;
}
TRACE = trace;
DEBUG = debug;
WARN = warn;
}
@SuppressWarnings({ "NonConstantLogger" })
private final Logger logger;
@SuppressWarnings({ "NonConstantLogger" })
private final Logger defineLogger;
/**
* Construct a new instance.
*
* @param logger the main logger to write to
* @param defineLogger the main logger to write class-define-related trace messages to
*/
public JDKModuleLogger(final Logger logger, final Logger defineLogger) {
this.logger = logger;
this.defineLogger = defineLogger;
}
/**
* Construct a new instance.
*
* @param category the name of the logger category to write to
*/
public JDKModuleLogger(final String category) {
this(Logger.getLogger(category), Logger.getLogger(category + ".define"));
}
/**
* Construct a new instance using the category {@code org.jboss.modules}.
*/
public JDKModuleLogger() {
this("org.jboss.modules");
}
private void doLog(final Level level, final String str) {
doLog(level, str, null);
}
private void doLog(final Level level, final String str, final Throwable t) {
try {
final ModuleLogRecord rec = new ModuleLogRecord(level, str);
rec.setLoggerName(logger.getName());
if (t != null) rec.setThrown(t);
logger.log(rec);
} catch (Throwable ignored) {
}
}
/** {@inheritDoc} */
public void trace(final String message) {
doLog(TRACE, message, null);
}
/** {@inheritDoc} */
public void trace(final String format, final Object arg1) {
if (logger.isLoggable(TRACE)) {
doLog(TRACE, String.format(format, arg1), null);
}
}
/** {@inheritDoc} */
public void trace(final String format, final Object arg1, final Object arg2) {
if (logger.isLoggable(TRACE)) {
doLog(TRACE, String.format(format, arg1, arg2));
}
}
/** {@inheritDoc} */
public void trace(final String format, final Object arg1, final Object arg2, final Object arg3) {
if (logger.isLoggable(TRACE)) {
doLog(TRACE, String.format(format, arg1, arg2, arg3));
}
}
/** {@inheritDoc} */
public void trace(final String format, final Object... args) {
if (logger.isLoggable(TRACE)) {
doLog(TRACE, String.format(format, (Object[]) args));
}
}
/** {@inheritDoc} */
public void trace(final Throwable t, final String message) {
doLog(TRACE, message, t);
}
/** {@inheritDoc} */
public void trace(final Throwable t, final String format, final Object arg1) {
if (logger.isLoggable(TRACE)) {
doLog(TRACE, String.format(format, arg1), t);
}
}
/** {@inheritDoc} */
public void trace(final Throwable t, final String format, final Object arg1, final Object arg2) {
if (logger.isLoggable(TRACE)) {
doLog(TRACE, String.format(format, arg1, arg2), t);
}
}
/** {@inheritDoc} */
public void trace(final Throwable t, final String format, final Object arg1, final Object arg2, final Object arg3) {
if (logger.isLoggable(TRACE)) {
doLog(TRACE, String.format(format, arg1, arg2, arg3), t);
}
}
/** {@inheritDoc} */
public void trace(final Throwable t, final String format, final Object... args) {
if (logger.isLoggable(TRACE)) {
doLog(TRACE, String.format(format, (Object[]) args), t);
}
}
/** {@inheritDoc} */
public void greeting() {
doLog(Level.INFO, String.format("JBoss Modules version %s", Main.getVersionString()));
}
/** {@inheritDoc} */
public void moduleDefined(final ModuleIdentifier identifier, final ModuleLoader moduleLoader) {
if (logger.isLoggable(DEBUG)) {
doLog(DEBUG, String.format("Module %s defined by %s", identifier, moduleLoader));
}
}
public void classDefineFailed(final Throwable throwable, final String className, final Module module) {
if (defineLogger.isLoggable(WARN)) {
doLog(WARN, String.format("Failed to define class %s in %s", className, module), throwable);
}
}
public void classDefined(final String name, final Module module) {
if (defineLogger.isLoggable(TRACE)) {
doLog(TRACE, String.format("Defined class %s in %s", name, module));
}
}
public void providerUnloadable(String name, ClassLoader loader) {
if (defineLogger.isLoggable(TRACE)) {
doLog(TRACE, String.format("Could not load provider %s in %s", name, loader));
}
}
}
