/**
* 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.cxf.jca.core.logging;
import java.io.Writer;
import java.util.logging.ConsoleHandler;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.cxf.common.logging.Log4jLogger;
import org.apache.cxf.common.logging.LogUtils;
public final class LoggerHelper {
public static final Level DEFAULT_LOG_LEVEL = Level.WARNING;
public static final String CONSOLE_HANDLER = "ConsoleHandler";
public static final String WRITER_HANDLER = "WriterHandler";
private static String rootLoggerName = "org.apache.cxf";
private static boolean initComplete;
private static Level currentLogLevel = Level.WARNING;
private LoggerHelper() {
//do nothing here
}
public static void initializeLoggingOnWriter(final Writer writer) {
if (writer != null) {
if (writer.getClass().getName().startsWith("org.jboss")) {
// jboss writer will redirect to log4j which will cause an
// infinite loop if we install an appender over this writer.
// Continue logging via log4j and ignore this writer.
LogUtils.setLoggerClass(Log4jLogger.class);
return;
}
Logger cxfLogger = getRootCXFLogger();
// test if the stream handler were setted
if (getHandler(cxfLogger, WRITER_HANDLER) == null) {
final WriterHandler handler = new WriterHandler(writer);
cxfLogger.addHandler(handler);
}
}
}
public static void deleteLoggingOnWriter() {
Logger cxfLogger = getRootCXFLogger();
Handler handler = getHandler(cxfLogger, WRITER_HANDLER);
if (handler != null) {
cxfLogger.removeHandler(handler);
}
enableConsoleLogging();
}
// true if log output is already going somewhere
public static boolean loggerInitialisedOutsideConnector() {
final Handler[] handlers = getConsoleLogger().getHandlers(); //NOPMD
return handlers != null && handlers.length > 0;
}
static Handler getHandler(Logger log, String handlerName) {
Handler[] handlers = log.getHandlers();
Handler result = null;
for (int i = 0; i < handlers.length; i++) {
if (handlers[i].getClass().getName().endsWith(handlerName)) {
result = handlers[i];
}
}
return result;
}
public static void disableConsoleLogging() {
final Handler handler = getHandler(getConsoleLogger(), CONSOLE_HANDLER); //NOPMD
getConsoleLogger().removeHandler(handler); //NOPMD
}
public static void enableConsoleLogging() {
if (getHandler(getConsoleLogger(), CONSOLE_HANDLER) == null) { //NOPMD
final Handler console = new ConsoleHandler();
getConsoleLogger().addHandler(console); //NOPMD
}
}
public static void setLogLevel(String logLevel) {
init();
try {
currentLogLevel = Level.parse(logLevel);
} catch (IllegalArgumentException ex) {
currentLogLevel = DEFAULT_LOG_LEVEL;
}
getRootCXFLogger().setLevel(currentLogLevel);
}
public static String getLogLevel() {
return currentLogLevel.toString();
}
public static Logger getRootCXFLogger() {
return LogUtils.getLogger(LoggerHelper.class, null, getRootLoggerName());
}
public static Logger getConsoleLogger() {
return LogUtils.getLogger(LoggerHelper.class, null, "");
}
public static void init() {
if (!initComplete) {
initComplete = true;
if (!loggerInitialisedOutsideConnector()) {
enableConsoleLogging();
}
}
}
public static String getRootLoggerName() {
return rootLoggerName;
}
public static void setRootLoggerName(String loggerName) {
LoggerHelper.rootLoggerName = loggerName;
}
}