/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.openejb.util;
import org.apache.openejb.log.LoggerCreator;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
public class JuliLogStream implements LogStream {
protected final LoggerCreator logger;
protected final AtomicBoolean debug = new AtomicBoolean(false);
protected final AtomicBoolean info = new AtomicBoolean(false);
public JuliLogStream(final LogCategory logCategory) {
logger = new LoggerCreator(logCategory.getName());
}
public boolean isFatalEnabled() {
return LoggerCreator.Get.exec(logger, debug, info).isLoggable(Level.SEVERE);
}
public void fatal(final String message) {
log(Level.SEVERE, message, null);
}
public void fatal(final String message, final Throwable t) {
log(Level.SEVERE, message, t);
}
public boolean isErrorEnabled() {
return LoggerCreator.Get.exec(logger, debug, info).isLoggable(Level.SEVERE);
}
public void error(final String message) {
log(Level.SEVERE, message, null);
}
public void error(final String message, final Throwable t) {
log(Level.SEVERE, message, t);
}
public boolean isWarnEnabled() {
return LoggerCreator.Get.exec(logger, debug, info).isLoggable(Level.WARNING);
}
public void warn(final String message) {
log(Level.WARNING, message, null);
}
public void warn(final String message, final Throwable t) {
log(Level.WARNING, message, t);
}
public boolean isInfoEnabled() {
LoggerCreator.Get.exec(logger, debug, info);
return info.get();
}
public void info(final String message) {
log(Level.INFO, message, null);
}
public void info(final String message, final Throwable t) {
log(Level.INFO, message, t);
}
public boolean isDebugEnabled() {
LoggerCreator.Get.levels(logger, debug, info); // cost nothing is init is done
return debug.get();
}
public void debug(final String message) {
log(Level.FINE, message, null);
}
public void debug(final String message, final Throwable t) {
log(Level.FINE, message, t);
}
private void log(final Level level, final String message, final Throwable t) {
final Logger log = LoggerCreator.Get.exec(logger, debug, info);
if (log.isLoggable(level)) {
final LogRecord logRecord = new OpenEJBLogRecord(level, message);
if (t != null) {
logRecord.setThrown(t);
}
log.log(logRecord);
}
}
public static class OpenEJBLogRecord extends LogRecord {
private static final String LOGGER = org.apache.openejb.util.Logger.class.getName();
private static final String ASYNC_LOG_NAME = "org.apache.openejb.util.LogStreamAsync";
private static final String ASYNC_LOG_THREAD = ASYNC_LOG_NAME + "$Consumer";
/**
* The name of the class that issued the logging call.
*
* @serial
*/
private String sourceClassName;
/**
* The name of the method that issued the logging call.
*
* @serial
*/
private String sourceMethodName;
// If the source method and source class has been inited
private transient boolean sourceInited;
public OpenEJBLogRecord(final Level level, final String message) {
super(level, message);
sourceInited = false;
}
/**
* Gets the name of the class that issued the logging call.
*
* @return the name of the class that issued the logging call
*/
public String getSourceClassName() {
initSource();
return sourceClassName;
}
/**
* Sets the name of the class that issued the logging call.
*
* @param sourceClassName the name of the class that issued the logging call
*/
public void setSourceClassName(final String sourceClassName) {
sourceInited = true;
this.sourceClassName = sourceClassName;
}
/**
* Gets the name of the method that issued the logging call.
*
* @return the name of the method that issued the logging call
*/
public String getSourceMethodName() {
initSource();
return sourceMethodName;
}
/**
* Sets the name of the method that issued the logging call.
*
* @param sourceMethodName the name of the method that issued the logging call
*/
public void setSourceMethodName(final String sourceMethodName) {
sourceInited = true;
this.sourceMethodName = sourceMethodName;
}
/**
* Init the sourceClass and sourceMethod fields.
*/
private void initSource() {
if (!this.sourceInited) {
// search back up the stack for the first use of the OpenEJB Logger
final StackTraceElement[] elements = new Throwable().getStackTrace();
int i = 0;
String current = null;
for (; i < elements.length; i++) {
current = elements[i].getClassName();
if (current.equals(LOGGER)) {
break;
}
if (current.equals(ASYNC_LOG_THREAD)) { // kind of mock since we lost the info
this.sourceClassName = ASYNC_LOG_NAME;
this.sourceMethodName = elements[i].getMethodName();
this.sourceInited = true;
return;
}
}
// Skip any internal OpenEJB Logger call
while (++i < elements.length && elements[i].getClassName().equals(current)) { //NOPMD
// do nothing
}
// If we didn't run out of elements, set the source
if (i < elements.length) {
this.sourceClassName = elements[i].getClassName();
this.sourceMethodName = elements[i].getMethodName();
} else if (current != null && current.endsWith("LoggerThread")) {
this.sourceClassName = ASYNC_LOG_NAME;
this.sourceMethodName = "run";
}
this.sourceInited = true;
}
}
}
}