| /* |
| * 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.logging.log4j.core.appender.rolling.helper; |
| |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.status.StatusLogger; |
| |
| import java.io.IOException; |
| |
| |
| /** |
| * Abstract base class for implementations of Action. |
| */ |
| public abstract class ActionBase implements Action { |
| /** |
| * Allow subclasses access to the status logger without creating another instance. |
| */ |
| protected static final Logger LOGGER = StatusLogger.getLogger(); |
| /** |
| * Is action complete. |
| */ |
| private boolean complete = false; |
| |
| /** |
| * Is action interrupted. |
| */ |
| private boolean interrupted = false; |
| |
| /** |
| * Constructor. |
| */ |
| protected ActionBase() { |
| } |
| |
| /** |
| * Perform action. |
| * |
| * @return true if successful. |
| * @throws IOException if IO error. |
| */ |
| public abstract boolean execute() throws IOException; |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public synchronized void run() { |
| if (!interrupted) { |
| try { |
| execute(); |
| } catch (IOException ex) { |
| reportException(ex); |
| } |
| |
| complete = true; |
| interrupted = true; |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public synchronized void close() { |
| interrupted = true; |
| } |
| |
| /** |
| * Tests if the action is complete. |
| * |
| * @return true if action is complete. |
| */ |
| public boolean isComplete() { |
| return complete; |
| } |
| |
| /** |
| * Capture exception. |
| * |
| * @param ex exception. |
| */ |
| protected void reportException(final Exception ex) { |
| } |
| } |