/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt 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.richfaces.log;
import java.util.EnumMap;
import java.util.Locale;
import java.util.Map;
import java.util.logging.LogRecord;
import org.richfaces.l10n.BundleLoader;
import org.richfaces.l10n.InterpolationException;
import org.richfaces.l10n.MessageInterpolator;
/**
* <p class="changed_added_4_0">
* That logger delegates all calls to the JDK {@link java.util.logging.Logger}
* </p>
*
* @author asmirnov@exadel.com
* @author nick
*/
public class JavaLogger implements Logger {
public static final String RICHFACES_LOG = "org.richfaces";
static final Map<Level, java.util.logging.Level> LEVELS_MAP = new EnumMap<Level, java.util.logging.Level>(Level.class);
static {
LEVELS_MAP.put(Level.ERROR, java.util.logging.Level.SEVERE);
LEVELS_MAP.put(Level.INFO, java.util.logging.Level.INFO);
LEVELS_MAP.put(Level.WARNING, java.util.logging.Level.WARNING);
LEVELS_MAP.put(Level.DEBUG, java.util.logging.Level.FINE);
}
private static final String CLASS_NAME = JavaLogger.class.getName();
private final java.util.logging.Logger jdkLogger;
private MessageInterpolator messageInterpolator;
JavaLogger(String category) {
jdkLogger = java.util.logging.Logger.getLogger(category);
messageInterpolator = new MessageInterpolator(new BundleLoader());
}
JavaLogger() {
this(RICHFACES_LOG);
}
private void fillCallerData(String fqn, LogRecord record) {
StackTraceElement[] stackTrace = new Exception().getStackTrace();
int i = 0;
for (; i < stackTrace.length; i++) {
if (fqn.equals(stackTrace[i].getClassName())) {
break;
}
}
int idx = i + 1;
for (; idx < stackTrace.length; idx++) {
if (!fqn.equals(stackTrace[idx].getClassName())) {
break;
}
}
if (idx < stackTrace.length) {
record.setSourceMethodName(stackTrace[idx].getMethodName());
record.setSourceClassName(stackTrace[idx].getClassName());
}
}
private String interpolate(Enum<?> messageKey, Object... args) {
try {
return messageInterpolator.interpolate(Locale.getDefault(), messageKey, args);
} catch (InterpolationException e) {
return "???" + e.getMessageKey() + "???";
}
}
private LogRecord createRecord(java.util.logging.Level level, CharSequence message, Throwable thrown) {
// millis and thread are filled by the constructor
LogRecord record = new LogRecord(level, message != null ? message.toString() : null);
// TODO resource bundle?
record.setLoggerName(jdkLogger.getName());
record.setThrown(thrown);
fillCallerData(CLASS_NAME, record);
return record;
}
public boolean isDebugEnabled() {
return isLogEnabled(Level.DEBUG);
}
public void debug(CharSequence content) {
log(Level.DEBUG, content);
}
public void debug(Enum<?> messageKey, Object... args) {
log(Level.DEBUG, messageKey, args);
}
public void debug(CharSequence content, Throwable thrown) {
log(Level.DEBUG, content, thrown);
}
public void debug(Throwable error, Enum<?> messageKey, Object... args) {
log(Level.DEBUG, error, messageKey, args);
}
public void debug(Throwable thrown) {
log(Level.DEBUG, thrown);
}
public boolean isInfoEnabled() {
return isLogEnabled(Level.INFO);
}
public void info(CharSequence content) {
log(Level.INFO, content);
}
public void info(Enum<?> messageKey, Object... args) {
log(Level.INFO, messageKey, args);
}
public void info(CharSequence content, Throwable thrown) {
log(Level.INFO, content, thrown);
}
public void info(Throwable error, Enum<?> messageKey, Object... args) {
log(Level.INFO, error, messageKey, args);
}
public void info(Throwable thrown) {
log(Level.INFO, thrown);
}
public boolean isWarnEnabled() {
return isLogEnabled(Level.WARNING);
}
public void warn(CharSequence content) {
log(Level.WARNING, content);
}
public void warn(Enum<?> messageKey, Object... args) {
log(Level.WARNING, messageKey, args);
}
public void warn(CharSequence content, Throwable thrown) {
log(Level.WARNING, content, thrown);
}
public void warn(Throwable error, Enum<?> messageKey, Object... args) {
log(Level.WARNING, error, messageKey, args);
}
public void warn(Throwable thrown) {
log(Level.WARNING, thrown);
}
public boolean isErrorEnabled() {
return isLogEnabled(Level.ERROR);
}
public void error(CharSequence content) {
log(Level.ERROR, content);
}
public void error(Enum<?> messageKey, Object... args) {
log(Level.ERROR, messageKey, args);
}
public void error(CharSequence content, Throwable thrown) {
log(Level.ERROR, content, thrown);
}
public void error(Throwable error, Enum<?> messageKey, Object... args) {
log(Level.ERROR, error, messageKey, args);
}
public void error(Throwable thrown) {
log(Level.ERROR, thrown);
}
public boolean isLogEnabled(Level level) {
return jdkLogger.isLoggable(LEVELS_MAP.get(level));
}
public void log(Level level, CharSequence content) {
java.util.logging.Level julLevel = LEVELS_MAP.get(level);
if (jdkLogger.isLoggable(julLevel)) {
jdkLogger.log(createRecord(julLevel, content, null));
}
}
public void log(Level level, Enum<?> messageKey, Object... args) {
java.util.logging.Level julLevel = LEVELS_MAP.get(level);
if (jdkLogger.isLoggable(julLevel)) {
jdkLogger.log(createRecord(julLevel, interpolate(messageKey, args), null));
}
}
public void log(Level level, CharSequence content, Throwable thrown) {
java.util.logging.Level julLevel = LEVELS_MAP.get(level);
if (jdkLogger.isLoggable(julLevel)) {
jdkLogger.log(createRecord(julLevel, content, thrown));
}
}
public void log(Level level, Throwable thrown, Enum<?> messageKey, Object... args) {
java.util.logging.Level julLevel = LEVELS_MAP.get(level);
if (jdkLogger.isLoggable(julLevel)) {
jdkLogger.log(createRecord(julLevel, interpolate(messageKey, args), thrown));
}
}
public void log(Level level, Throwable thrown) {
java.util.logging.Level julLevel = LEVELS_MAP.get(level);
if (jdkLogger.isLoggable(julLevel)) {
jdkLogger.log(createRecord(julLevel, null, thrown));
}
}
}