| /* |
| * 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.servicecomb.foundation.common.utils; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.apache.log4j.RollingFileAppender; |
| import org.apache.log4j.helpers.LogLog; |
| import org.apache.log4j.spi.LoggingEvent; |
| |
| /** |
| * 扩展增加2个功能:1. 设置文件权限;2. 文件删除后重建。 |
| */ |
| public class RollingFileAppenderExt extends RollingFileAppender { |
| private File currentFile; |
| |
| private boolean append; |
| |
| private String logPermission; |
| |
| public String getLogPermission() { |
| return logPermission; |
| } |
| |
| public void setLogPermission(String logPermission) { |
| this.logPermission = logPermission; |
| } |
| |
| @Override |
| public void setFile(String file) { |
| super.setFile(file); |
| } |
| |
| @Override |
| public void setFile(String fileName, boolean append, boolean bufferedIO, int bufferSize) throws IOException { |
| this.append = append; |
| currentFile = new File(fileName); |
| createCurrentFile(); |
| super.setFile(fileName, append, bufferedIO, bufferSize); |
| } |
| |
| @Override |
| protected void subAppend(LoggingEvent event) { |
| // create a new file when file deleted |
| if (!currentFile.exists()) { |
| try { |
| setFile(fileName, append, bufferedIO, bufferSize); |
| } catch (IOException e) { |
| LogLog.error("", e); |
| } |
| } |
| super.subAppend(event); |
| } |
| |
| protected void createCurrentFile() throws IOException { |
| if (!currentFile.exists()) { |
| File parent = currentFile.getParentFile(); |
| if (parent != null && !parent.exists()) { |
| parent.mkdirs(); |
| } |
| currentFile.createNewFile(); |
| } |
| FilePerm.setFilePerm(currentFile, logPermission); |
| } |
| } |