| /* |
| * 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.Appender; |
| |
| import java.util.Enumeration; |
| |
| /** |
| * Interface for attaching appenders to objects. |
| */ |
| public interface AppenderAttachable { |
| |
| /** |
| * Add an appender. |
| * @param newAppender The Appender to add. |
| */ |
| void addAppender(Appender newAppender); |
| |
| /** |
| * Get all previously added appenders as an Enumeration. |
| * @return The Enumeration of the Appenders. |
| */ |
| Enumeration<Appender> getAllAppenders(); |
| |
| /** |
| * Get an appender by name. |
| * @param name The name of the Appender. |
| * @return The Appender. |
| */ |
| Appender getAppender(String name); |
| |
| |
| /** |
| * Returns <code>true</code> if the specified appender is in list of |
| * attached attached, <code>false</code> otherwise. |
| * @param appender The Appender to check. |
| * @return true if the Appender is attached. |
| * |
| * @since 1.2 |
| */ |
| boolean isAttached(Appender appender); |
| |
| /** |
| * Remove all previously added appenders. |
| */ |
| void removeAllAppenders(); |
| |
| |
| /** |
| * Remove the appender passed as parameter from the list of appenders. |
| * @param appender The Appender to remove. |
| */ |
| void removeAppender(Appender appender); |
| |
| |
| /** |
| * Remove the appender with the name passed as parameter from the |
| * list of appenders. |
| * @param name The name of the Appender to remove. |
| */ |
| void removeAppender(String name); |
| } |