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package com.sun.xml.ws.tx.common;
import java.lang.reflect.Field;
import java.util.logging.Level;
/**
* This is a helper class that provides some convenience methods wrapped around the
* standard {@link java.util.logging.Logger} interface.
* <p/>
* Logging domains:
* wstx // general for all web service transactions
* wstx.wscoord // for ws-coordination logging
* wstx.at // for ws-atomic transaction logging.
*
* @see #getLogger(Class)
* @see #getATLogger(Class)
* @see #getCoordLogger(Class)
*/
public final class TxLogger {
/**
* If we run with JAX-WS, we are using its logging domain (appended with ".wstx").
* Otherwise we default to "wstx".
*/
private final static String LOGGING_SUBSYSTEM_NAME;
static {
String loggingSubsystemName = null;
try {
// Looking up JAX-WS class at run-time, so that we don't need to depend
// on it at compile-time.
Class jaxwsConstants = Class.forName("com.sun.xml.ws.util.Constants");
Field loggingDomainField = jaxwsConstants.getField("LoggingDomain");
Object loggingDomain = loggingDomainField.get(null);
loggingSubsystemName = loggingDomain.toString().concat(".wstx");
} catch (Exception e) {
// If we don't manage to extract the logging domain from JAX-WS, we
// fall back to a default.
loggingSubsystemName = "wstx";
} finally {
LOGGING_SUBSYSTEM_NAME = loggingSubsystemName;
}
}
private final String componentClassName;
private final java.util.logging.Logger logger;
/**
* Prevents creation of a new instance of this TxLogger
*/
private TxLogger(String componentName) {
this.componentClassName = "[" + componentName + "] ";
this.logger = java.util.logging.Logger.getLogger(LOGGING_SUBSYSTEM_NAME);
}
private TxLogger(String componentName, String subsystem) {
this.componentClassName = "[" + componentName + "] ";
this.logger = java.util.logging.Logger.getLogger(LOGGING_SUBSYSTEM_NAME + subsystem);
}
/**
* The factory method returns preconfigured TxLogger wrapper for the class. Since there is no caching implemented,
* it is advised that the method is called only once per a class in order to initialize a final static logger variable,
* which is then used through the class to perform actual logging tasks.
*
* @param componentClass class of the component that will use the logger instance. Must not be {@code null}.
* @return logger instance preconfigured for use with the component
* @throws NullPointerException if the componentClass parameter is {@code null}.
*/
public static TxLogger getLogger(final Class componentClass) {
return new TxLogger(componentClass.getName());
}
/**
* Logging specifically for *.wstx.wsat subsystem.
*/
public static TxLogger getATLogger(final Class componentClass) {
return new TxLogger(componentClass.getName(), ".wsat");
}
/**
* Logging specifically for *.wstx.wscoord subsystem.
*/
public static TxLogger getCoordLogger(final Class componentClass) {
return new TxLogger(componentClass.getName(), ".wscoord");
}
public void log(final Level level, final String methodName, final String message) {
logger.logp(level, componentClassName, methodName, message);
}
public void log(final Level level, final String methodName, final String message, final Throwable thrown) {
logger.logp(level, componentClassName, methodName, message, thrown);
}
public void finest(final String methodName, final String message) {
logger.logp(Level.FINEST, componentClassName, methodName, message);
}
public void finest(final String methodName, final String message, final Throwable thrown) {
logger.logp(Level.FINEST, componentClassName, methodName, message, thrown);
}
public void finer(final String methodName, final String message) {
logger.logp(Level.FINER, componentClassName, methodName, message);
}
public void finer(final String methodName, final String message, final Throwable thrown) {
logger.logp(Level.FINER, componentClassName, methodName, message, thrown);
}
public void fine(final String methodName, final String message) {
logger.logp(Level.FINE, componentClassName, methodName, message);
}
public void fine(final String methodName, final String message, final Throwable thrown) {
logger.logp(Level.FINE, componentClassName, methodName, message, thrown);
}
public void info(final String methodName, final String message) {
logger.logp(Level.INFO, componentClassName, methodName, message);
}
public void info(final String methodName, final String message, final Throwable thrown) {
logger.logp(Level.INFO, componentClassName, methodName, message, thrown);
}
public void config(final String methodName, final String message) {
logger.logp(Level.CONFIG, componentClassName, methodName, message);
}
public void config(final String methodName, final String message, final Throwable thrown) {
logger.logp(Level.CONFIG, componentClassName, methodName, message, thrown);
}
public void warning(final String methodName, final String message) {
logger.logp(Level.WARNING, componentClassName, methodName, message);
}
public void warning(final String methodName, final String message, final Throwable thrown) {
logger.logp(Level.WARNING, componentClassName, methodName, message, thrown);
}
public void severe(final String methodName, final String message) {
logger.logp(Level.SEVERE, componentClassName, methodName, message);
}
public void severe(final String methodName, final String message, final Throwable thrown) {
logger.logp(Level.SEVERE, componentClassName, methodName, message, thrown);
}
public void entering(final String methodName) {
logger.entering(componentClassName, methodName);
}
public void entering(final String methodName, final Object parameter) {
logger.entering(componentClassName, methodName, parameter);
}
public void entering(final String methodName, final Object[] parameters) {
logger.entering(componentClassName, methodName, parameters);
}
public void exiting(final String methodName) {
logger.exiting(componentClassName, methodName);
}
public void exiting(final String methodName, final Object result) {
logger.exiting(componentClassName, methodName, result);
}
public boolean isLogging(final Level level) {
return logger.isLoggable(level);
}
}
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