org.apache.log4j.spi.NOPLoggerRepository Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of log4j Show documentation
Show all versions of log4j Show documentation
Base Apache Log4j 1.2.17 fix the issus #4913 and #41214
/*
* 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.log4j.spi;
import org.apache.log4j.Level;
import org.apache.log4j.Category;
import org.apache.log4j.Logger;
import org.apache.log4j.Appender;
import org.apache.log4j.helpers.ShutdownEventListener;
import java.util.Enumeration;
import java.util.Vector;
/**
* No-operation implementation of LoggerRepository which is used when
* LogManager.repositorySelector is erroneously nulled during class reloading.
* @since 1.2.15
*/
public final class NOPLoggerRepository implements LoggerRepository {
/**
* {@inheritDoc}
*/
public void addHierarchyEventListener(final HierarchyEventListener listener) {
}
/**
* {@inheritDoc}
*/
public boolean isDisabled(final int level) {
return true;
}
/**
* {@inheritDoc}
*/
public void setThreshold(final Level level) {
}
/**
* {@inheritDoc}
*/
public void setThreshold(final String val) {
}
/**
* {@inheritDoc}
*/
public void emitNoAppenderWarning(final Category cat) {
}
/**
* {@inheritDoc}
*/
public Level getThreshold() {
return Level.OFF;
}
/**
* {@inheritDoc}
*/
public Logger getLogger(final String name) {
return new NOPLogger(this, name);
}
/**
* {@inheritDoc}
*/
public Logger getLogger(final String name, final LoggerFactory factory) {
return new NOPLogger(this, name);
}
/**
* {@inheritDoc}
*/
public Logger getRootLogger() {
return new NOPLogger(this, "root");
}
/**
* {@inheritDoc}
*/
public Logger exists(final String name) {
return null;
}
/**
* {@inheritDoc}
*/
public void shutdown() {
}
/**
* {@inheritDoc}
*/
public Enumeration getCurrentLoggers() {
return new Vector().elements();
}
/**
* {@inheritDoc}
*/
public Enumeration getCurrentCategories() {
return getCurrentLoggers();
}
/**
* {@inheritDoc}
*/
public void fireAddAppenderEvent(Category logger, Appender appender) {
}
/**
* {@inheritDoc}
*/
public void resetConfiguration() {
}
/**
* {@inheritDoc}
*/
public void addShutdownEventListener(ShutdownEventListener listener) {
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy