org.openmdx.kernel.log.SysLog Maven / Gradle / Ivy
/*
* ====================================================================
* Project: openMDX, http://www.openmdx.org/
* Description: Former Log API
* Owner: OMEX AG, Switzerland, http://www.omex.ch
* ====================================================================
*
* This software is published under the BSD license as listed below.
*
* Copyright (c) 2004-2013, OMEX AG, Switzerland
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of the openMDX team nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* ------------------
*
* This product includes or is based on software developed by other
* organizations as listed in the NOTICE file.
*/
package org.openmdx.kernel.log;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
/**
* SysLog wraps the Log class to do application-general
* logging. It provides a singleton accessor, along with lots of
* handy class method {static} accessors.
*/
public class SysLog {
/**
* Constructor
*/
private SysLog(
) {
// Avoid instantiation
}
/**
* To tell the foreign record about the loggger class
*/
private static final String THIS = SysLog.class.getName();
/**
* Checks if trace logging is active
*
*
* Applications can use this method before they call SysLog.trace(...) if
* the log string creation is very time consuming.
*
*
* SysLog.trace("Customer created", "First=Mark, Last=Smith");
*
* if (SysLog.isTraceOn()) {
* summary = expensive_creation();
* detail = expensive_creation();
* SysLog.trace(summary, detail);
* }
*
*
* @return true if trace is active
*/
public static boolean isTraceOn()
{
return LoggerFactory.getLogger().isLoggable(Level.FINEST);
}
/**
* Log using the given pattern and arguments
*
* @param level
* @param pattern
* @param arguments
*/
public static void log(
Level level,
String pattern,
Object... arguments
){
Logger logger = LoggerFactory.getLogger();
if(logger.isLoggable(level)) {
LogRecord record = new ForeignLogRecord(
logger.getName(),
SysLog.THIS,
level,
pattern
);
// If we used resource bundles we would them set here
record.setParameters(arguments);
logger.log(record);
}
}
/**
* Log an exception
*
* @param level
* @param message
* @param throwable
*/
public static void log(
Level level,
String message,
Throwable throwable
){
Logger logger = LoggerFactory.getLogger();
if(logger.isLoggable(level)) {
LogRecord record = new ForeignLogRecord(
logger.getName(),
SysLog.THIS,
level,
message
);
// If we used resource bundles we would them set here
record.setThrown(throwable);
logger.log(record);
}
}
/**
* Log an exception
*
* @param level
* @param throwable
* @param pattern
* @param arguments
*/
private static void log(
Level level,
Throwable throwable,
String pattern,
Object... arguments
){
Logger logger = LoggerFactory.getLogger();
if(logger.isLoggable(level)) {
LogRecord record = new ForeignLogRecord(
logger.getName(),
SysLog.THIS,
level,
pattern
);
// If we used resource bundles we would them set here
record.setParameters(arguments);
record.setThrown(throwable);
logger.log(record);
}
}
/**
* Logs a text string at CRITICAL_ERROR_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param logObj
* a log object providing detail information. The log object is
* stringified using its toString method before getting
* logged. The log object may be a null object. If the log object
* is a Throwable it's message and stack trace is
* logged.
* @see #criticalError(String)
* @see #criticalError(String, Object, int)
*/
public static void criticalError(
String logString,
Object logObj
){
log(Level.SEVERE, "Sys|{0}|{1}", logString, logObj);
}
/**
* Logs a text string at CRITICAL_ERROR_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param logObj
* a log object providing detail information. The log object is
* stringified using its toString method before getting
* logged. The log object may be a null object. If the log object
* is a Throwable it's message and stack trace is
* logged.
* @see #criticalError(String)
* @see #criticalError(String, Object, int)
*/
public static void criticalError(
String logString,
Throwable logObj
){
log(Level.SEVERE, logObj, "Sys|{0}", logString);
}
/**
* Logs a text string at CRITICAL_ERROR_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @see #criticalError(String, Object)
* @see #criticalError(String, Object, int)
*/
public static void criticalError(String logString) {
log(Level.SEVERE, "Sys|{0}", logString);
}
/**
* Logs a text string at ERROR_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param logObj
* a log object providing detail information. The log object is
* stringified using its toString method before getting
* logged. The log object may be a null object. If the log object
* is a Throwable it's message and stack trace is
* logged.
* @see #error(String)
* @see #error(String, Object, int)
*/
public static void error(
String logString,
Object logObj
){
log(Level.SEVERE, "Sys|{0}|{1}", logString, logObj);
}
/**
* Logs a text string at ERROR_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param logObj
* a log object providing detail information. The log object is
* stringified using its toString method before getting
* logged. The log object may be a null object. If the log object
* is a Throwable it's message and stack trace is
* logged.
* @see #error(String)
* @see #error(String, Object, int)
*/
public static void error(
String logString,
Throwable logObj
){
log(Level.SEVERE, logObj, "Sys|{0}", logString);
}
/**
* Logs a text string at ERROR_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @see #error(String, Object)
* @see #error(String, Object, int)
*/
public static void error(
String logString
){
log(Level.SEVERE, "Sys|{0}", logString);
}
/**
* Logs a text string at WARNING_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param logObj
* a log object providing detail information. The log object is
* stringified using its toString method before getting
* logged. The log object may be a null object. If the log object
* is a Throwable it's message and stack trace is
* logged.
* @see #warning(String)
* @see #warning(String, Object, int)
*/
public static void warning(
String logString,
Object logObj
){
log(Level.WARNING, "Sys|{0}|{1}", logString, logObj);
}
/**
* Logs a text string at WARNING_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param logObj
* a log object providing detail information. The log object is
* stringified using its toString method before getting
* logged. The log object may be a null object. If the log object
* is a Throwable it's message and stack trace is
* logged.
* @see #warning(String)
* @see #warning(String, Object, int)
*/
public static void warning(
String logString,
Throwable logObj
){
log(Level.WARNING, logObj, "Sys|{0}", logString);
}
/**
* Logs a text string at WARNING_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @see #warning(String, Object)
* @see #warning(String, Object, int)
*/
public static void warning(
String logString
){
log(Level.WARNING, "Sys|{0}", logString);
}
/**
* Logs a text string at INFO_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param logObj
* a log object providing detail information. The log object is
* stringified using its toString method before getting
* logged. The log object may be a null object. If the log object
* is a Throwable it's message and stack trace is
* logged.
* @see #info(String)
* @see #info(String, Object, int)
*/
public static void info(
String logString,
Object logObj
){
log(Level.INFO, "Sys|{0}|{1}", logString, logObj);
}
/**
* Logs a text string at INFO_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param logObj
* a log object providing detail information. The log object is
* stringified using its toString method before getting
* logged. The log object may be a null object. If the log object
* is a Throwable it's message and stack trace is
* logged.
* @see #info(String)
* @see #info(String, Object, int)
*/
public static void info(
String logString,
Throwable logObj
){
log(Level.INFO, logObj, "Sys|{0}", logString);
}
/**
* Logs a text string at INFO_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @see #info(String, Object)
* @see #info(String, Object, int)
*/
public static void info(
String logString
){
log(Level.INFO, "Sys|{0}", logString);
}
/**
* Logs a text string at DETAIL_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param logObj
* a log object providing detail information. The log object is
* stringified using its toString method before getting
* logged. The log object may be a null object. If the log object
* is a Throwable it's message and stack trace is
* logged.
* @see #detail(String)
* @see #detail(String, Object, int)
*/
public static void detail(
String logString,
Object logObj
){
log(Level.FINE, "Sys|{0}|{1}", logString, logObj);
}
/**
* Logs a text string at DETAIL_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param logObj
* a log object providing detail information. The log object is
* stringified using its toString method before getting
* logged. The log object may be a null object. If the log object
* is a Throwable it's message and stack trace is
* logged.
* @see #detail(String)
* @see #detail(String, Object, int)
*/
public static void detail(
String logString,
Throwable logObj
){
log(Level.FINE, logObj, "Sys|{0}", logString);
}
/**
* Logs a text string at DETAIL_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @see #detail(String, Object)
* @see #detail(String, Object, int)
*/
public static void detail(
String logString
){
log(Level.FINE, "Sys|{0}", logString);
}
/**
* Logs a text string at TRACE_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param logObj
* a log object providing detail information. The log object is
* stringified using its toString method before getting
* logged. The log object may be a null object. If the log object
* is a Throwable it's message and stack trace is
* logged.
* @see #trace(String)
* @see #trace(String, Object, int)
*/
public static void trace(
String logString,
Object logObj
){
log(Level.FINEST, "Sys|{0}|{1}", logString, logObj);
}
/**
* Logs a text string at TRACE_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param logObj
* a log object providing detail information. The log object is
* stringified using its toString method before getting
* logged. The log object may be a null object. If the log object
* is a Throwable it's message and stack trace is
* logged.
* @see #trace(String)
* @see #trace(String, Object, int)
*/
public static void trace(
String logString,
Throwable logObj
){
log(Level.FINEST, logObj, "Sys|{0}", logString);
}
/**
* Logs a text string at TRACE_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @see #trace(String, Object)
* @see #trace(String, Object, int)
*/
public static void trace(
String logString
){
log(Level.FINEST, "Sys|{0}", logString);
}
/**
* Logs a text string and an elapsed time at PERFORMANCE_LEVEL.
*
* @param logString
* a concise summary message. The message must be single line and
* must therefore not contain any '\r' or '\n' characters. The '\r'
* and '\n' characters are removed silently from the message.
* @param elapsedTime
* the elapsed time in milli seconds
* @see #performance(String, long, int)
*/
public static void performance(
String logString,
long elapsedTime
){
log(Level.INFO, "Sys Performance|{0}|Elapsed time: {1} ms", logString, Long.valueOf(elapsedTime));
}
/**
* Logs a text string at STATISTICS_LEVEL. Statistics messages are grouped.
* The groups used are defined by the application and do not have any
* meaning for the logging framework.
*
* @param group a statistics group.
* @param record a statistics record string
* @see #statistics(String, String, int)
*/
public static void statistics(
String group,
String record
) {
log(Level.INFO, "Sys Statistics|Group {0}|{1}", group, record);
}
}
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