| /* |
| * 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.knox.test.log; |
| |
| import org.apache.log4j.Appender; |
| import org.apache.log4j.Layout; |
| import org.apache.log4j.Logger; |
| import org.apache.log4j.spi.ErrorHandler; |
| import org.apache.log4j.spi.Filter; |
| import org.apache.log4j.spi.LoggingEvent; |
| |
| import java.util.Enumeration; |
| |
| public class NoOpAppender implements Appender { |
| |
| public static Enumeration<Appender> setUp() { |
| Enumeration<Appender> appenders = (Enumeration<Appender>)Logger.getRootLogger().getAllAppenders(); |
| Logger.getRootLogger().removeAllAppenders(); |
| Logger.getRootLogger().addAppender( new NoOpAppender() ); |
| return appenders; |
| } |
| |
| public static void tearDown( Enumeration<Appender> appenders ) { |
| if( appenders != null ) { |
| while( appenders.hasMoreElements() ) { |
| Logger.getRootLogger().addAppender( appenders.nextElement() ); |
| } |
| } |
| } |
| |
| @Override |
| public void addFilter( Filter newFilter ) { |
| } |
| |
| @Override |
| public Filter getFilter() { |
| return null; |
| } |
| |
| @Override |
| public void clearFilters() { |
| } |
| |
| @Override |
| public void close() { |
| } |
| |
| @Override |
| public void doAppend( LoggingEvent event ) { |
| } |
| |
| @Override |
| public String getName() { |
| return this.getClass().getName(); |
| } |
| |
| @Override |
| public void setErrorHandler( ErrorHandler errorHandler ) { |
| } |
| |
| @Override |
| public ErrorHandler getErrorHandler() { |
| return null; |
| } |
| |
| @Override |
| public void setLayout( Layout layout ) { |
| } |
| |
| @Override |
| public Layout getLayout() { |
| return null; |
| } |
| |
| @Override |
| public void setName( String name ) { |
| } |
| |
| @Override |
| public boolean requiresLayout() { |
| return false; |
| } |
| } |