| /* |
| * 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 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() { |
| } |
| } |