com.wedeploy.api.log.LoggerFactory Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of Liferay, Inc. 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 HOLDER 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.
*/
package com.wedeploy.api.log;
import com.wedeploy.api.WeDeployException;
public class LoggerFactory {
/**
* Returns logger for given class.
*/
public static Logger getLogger(Class clazz) {
return getLogger(clazz.getName());
}
/**
* Returns logger for given name.
*/
public static Logger getLogger(String name) {
initLoggerFactory();
return loggerFactory.getLogger(name);
}
/**
* Sets custom default implementation class name.
*
* @see #setLoggerFactory(LoggerFactoryInterface)
*/
public static void setDefaultImplClass(String className) {
defaultClassName = className;
}
/**
* Sets default logger factory instance. If set, default name will not be
* used.
*
* @see #setDefaultImplClass(String)
*/
public static void setLoggerFactory(LoggerFactoryInterface loggerFactory) {
LoggerFactory.loggerFactory = loggerFactory;
}
protected LoggerFactory() {
}
protected static String defaultClassName =
LoggerFactory.class.getPackage().getName() + ".impl.LoggerImpl";
private static void initLoggerFactory() {
if (loggerFactory != null) {
return;
}
Class clazz = LoggerFactory.class;
ClassLoader classLoader = clazz.getClassLoader();
Class loggerClass = null;
try {
loggerClass = classLoader.loadClass(defaultClassName);
} catch (ClassNotFoundException cnfe) {
throw new WeDeployException(
"Logger implementation not found: " + defaultClassName, cnfe);
}
try {
loggerFactory = (LoggerFactoryInterface) loggerClass.newInstance();
} catch (Exception e) {
throw new WeDeployException(
"Invalid Logger implementation: " + defaultClassName, e);
}
}
private static LoggerFactoryInterface loggerFactory;
}