hpcnx commented on issue #2323:
URL:
https://github.com/apache/logging-log4j2/issues/2323#issuecomment-1973490320
package com.intervoice.logging;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Enumeration;
import java.util.Formatter;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.apache.logging.log4j.Level;
public class LoggerUtil
{
public static String formatMessage(String message, Object... varargs)
{
Formatter formatter = new Formatter();
ArrayList<Object> formattableArgs = new ArrayList(varargs.length);
Object[] arrayOfObject;
int j = (arrayOfObject = varargs).length;
for (int i = 0; i < j; i++)
{
Object varg = arrayOfObject[i];
if (varg != null)
{
Class<?> varclass = varg.getClass();
if ((varclass.isArray()) ||
(Collection.class.isAssignableFrom(varclass)) ||
(Map.class.isAssignableFrom(varclass)) ||
(Map.Entry.class.isAssignableFrom(varclass))) {
formattableArgs.add(new DeepFormatter(varg));
} else {
formattableArgs.add(varg);
}
}
else
{
formattableArgs.add(varg);
}
}
String formattedMessage = null;
try
{
formattedMessage = formatter.format(message,
formattableArgs.toArray()).toString();
}
catch (Exception e)
{
getConfigLogger(LoggerUtil.class).warn("Could not format message", e);
formattedMessage = "Unable to format log message: " + e.getMessage();
}
return formattedMessage;
}
public static void logf(ILogger logger, Level level, String message,
Object... varargs)
{
if (logger.isEnabledFor(level)) {
logger.log(level, formatMessage(message, varargs));
}
}
public static void logf(IPrivacyAware privatizable, ILogger logger, Level
level, String message, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
logf(logger, level, message, varargs);
}
}
public static void logf(ILogger logger, Level level, String message,
Throwable t, Object... varargs)
{
if (logger.isEnabledFor(level)) {
logger.log(level, formatMessage(message, varargs), t);
}
}
public static void logf(IPrivacyAware privatizable, ILogger logger, Level
level, String message, Throwable t, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
logf(logger, level, message, t, varargs);
}
}
public static void fatalf(ILogger logger, String message, Object...
varargs)
{
if (logger.isFatalEnabled()) {
logger.fatal(formatMessage(message, varargs));
}
}
public static void fatalf(IPrivacyAware privatizable, ILogger logger,
String message, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
fatalf(logger, message, varargs);
}
}
public static void fatalf(ILogger logger, String message, Throwable t,
Object... varargs)
{
if (logger.isFatalEnabled()) {
logger.fatal(formatMessage(message, varargs), t);
}
}
public static void fatalf(IPrivacyAware privatizable, ILogger logger,
String message, Throwable t, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
fatalf(logger, message, t, varargs);
}
}
public static void errorf(ILogger logger, String message, Object...
varargs)
{
if (logger.isErrorEnabled()) {
logger.error(formatMessage(message, varargs));
}
}
public static void errorf(IPrivacyAware privatizable, ILogger logger,
String message, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
errorf(logger, message, varargs);
}
}
public static void errorf(ILogger logger, String message, Throwable t,
Object... varargs)
{
if (logger.isErrorEnabled()) {
logger.error(formatMessage(message, varargs), t);
}
}
public static void errorf(IPrivacyAware privatizable, ILogger logger,
String message, Throwable t, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
errorf(logger, message, t, varargs);
}
}
public static void warnf(ILogger logger, String message, Object... varargs)
{
if (logger.isWarnEnabled()) {
logger.warn(formatMessage(message, varargs));
}
}
public static void warnf(IPrivacyAware privatizable, ILogger logger,
String message, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
warnf(logger, message, varargs);
}
}
public static void warnf(ILogger logger, String message, Throwable t,
Object... varargs)
{
if (logger.isWarnEnabled()) {
logger.warn(formatMessage(message, varargs), t);
}
}
public static void warnf(IPrivacyAware privatizable, ILogger logger,
String message, Throwable t, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
warnf(logger, message, t, varargs);
}
}
public static void infof(ILogger logger, String message, Object... varargs)
{
if (logger.isInfoEnabled()) {
logger.info(formatMessage(message, varargs));
}
}
public static void infof(IPrivacyAware privatizable, ILogger logger,
String message, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
infof(logger, message, varargs);
}
}
public static void infof(ILogger logger, String message, Throwable t,
Object... varargs)
{
if (logger.isInfoEnabled()) {
logger.info(formatMessage(message, varargs), t);
}
}
public static void infof(IPrivacyAware privatizable, ILogger logger,
String message, Throwable t, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
infof(logger, message, t, varargs);
}
}
public static void debugf(ILogger logger, String message, Object...
varargs)
{
if (logger.isDebugEnabled()) {
logger.debug(formatMessage(message, varargs));
}
}
public static void debugf(IPrivacyAware privatizable, ILogger logger,
String message, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
debugf(logger, message, varargs);
}
}
public static void debugf(ILogger logger, String message, Throwable t,
Object... varargs)
{
if (logger.isDebugEnabled()) {
logger.debug(formatMessage(message, varargs), t);
}
}
public static void debugf(IPrivacyAware privatizable, ILogger logger,
String message, Throwable t, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
debugf(logger, message, t, varargs);
}
}
public static void tracef(ILogger logger, String message, Object...
varargs)
{
if (logger.isTraceEnabled()) {
logger.trace(formatMessage(message, varargs));
}
}
public static void tracef(IPrivacyAware privatizable, ILogger logger,
String message, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
tracef(logger, message, varargs);
}
}
public static void tracef(ILogger logger, String message, Throwable t,
Object... varargs)
{
if (logger.isTraceEnabled()) {
logger.trace(formatMessage(message, varargs), t);
}
}
public static void tracef(IPrivacyAware privatizable, ILogger logger,
String message, Throwable t, Object... varargs)
{
if ((privatizable == null) || (!privatizable.isPrivate())) {
tracef(logger, message, t, varargs);
}
}
public static String expandObjectToString(Object o)
{
StringBuilder sb = build(o, new StringBuilder());
return sb.toString();
}
private static StringBuilder build(Object o, StringBuilder builder)
{
try
{
if (o == null)
{
builder.append("null");
}
else if (o.getClass().isArray())
{
build(Arrays.asList(toObjectArray(o)), builder);
}
else if ((o instanceof Iterator))
{
Iterator<?> iter = (Iterator)o;
builder.append("[");
while (iter.hasNext())
{
builder.append(" ");
build(iter.next(), builder);
}
builder.append(" ]");
}
else if ((o instanceof Enumeration))
{
Enumeration<?> enumer = (Enumeration)o;
builder.append("[");
while (enumer.hasMoreElements())
{
builder.append(" ");
build(enumer.nextElement(), builder);
}
builder.append(" ]");
}
else if ((o instanceof Collection))
{
build(((Collection)o).iterator(), builder);
}
else if ((o instanceof Map))
{
build(((Map)o).entrySet().iterator(), builder);
}
else if ((o instanceof Map.Entry))
{
Map.Entry<?, ?> entry = (Map.Entry)o;
build(entry.getKey(), builder);
builder.append("=");
build(entry.getValue(), builder);
}
else
{
builder.append(o);
}
}
catch (Exception ex)
{
getConfigLogger(LoggerUtil.class).warn("Caught while formatting Logger
output", ex);
builder.append(ex.getClass().getName())
.append(" caught while building output for ");
if (o == null) {
builder.append("a null object reference");
} else {
builder.append(o.getClass().getName()).append("@").append(Integer.toHexString(System.identityHashCode(o)));
}
builder.append(": ").append(ex.getMessage());
}
return builder;
}
static
{
WRAPPER_CLASSES.put(Integer.TYPE, Integer.class);
WRAPPER_CLASSES.put(Long.TYPE, Long.class);
WRAPPER_CLASSES.put(Short.TYPE, Short.class);
WRAPPER_CLASSES.put(Byte.TYPE, Byte.class);
WRAPPER_CLASSES.put(Float.TYPE, Float.class);
WRAPPER_CLASSES.put(Double.TYPE, Double.class);
WRAPPER_CLASSES.put(Character.TYPE, Character.class);
WRAPPER_CLASSES.put(Boolean.TYPE, Boolean.class);
}
private static Object[] toObjectArray(Object array)
{
Class<?> objectClass = array.getClass();
Class<?> componentType = objectClass.getComponentType();
Object[] retval = null;
if (componentType.isPrimitive())
{
Class<?> wrapperType = (Class)WRAPPER_CLASSES.get(componentType);
try
{
Constructor<?> oneArgInit = wrapperType.getConstructor(new Class[] {
componentType });
retval = new Object[Array.getLength(array)];
for (int i = 0; i < retval.length; i++) {
retval[i] = oneArgInit.newInstance(new Object[] { Array.get(array,
i) });
}
}
catch (NoSuchMethodException localNoSuchMethodException) {}catch
(InstantiationException localInstantiationException) {}catch
(IllegalAccessException localIllegalAccessException) {}catch
(InvocationTargetException localInvocationTargetException) {}
}
else
{
retval = (Object[])array;
}
return retval;
}
private static class DeepFormatter
{
private Object target;
DeepFormatter(Object target)
{
this.target = target;
}
public String toString()
{
return LoggerUtil.expandObjectToString(this.target);
}
}
public static ILogger getLogger(Class<?> clazz)
{
return null;
}
public static ILogger getLogger(String loggerName)
{
return null;
}
public static ILogger getUserLogger(Class<?> clazz)
{
String loggerName = "StateControl.User";
if (clazz != null)
{
String className = clazz.getName();
if (className.length() > 0) {
loggerName = loggerName + "." + className;
}
}
return getLogger(loggerName);
}
public static ILogger getUserLogger(String name)
{
String loggerName = "StateControl.User";
if ((name != null) && (name.trim().length() > 0)) {
loggerName = loggerName + "." + name.trim();
}
return getLogger(loggerName);
}
}
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