sravanigadey commented on code in PR #4383: URL: https://github.com/apache/hadoop/pull/4383#discussion_r937906506
########## hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/audit/S3AAuditLogMerger.java: ########## @@ -0,0 +1,78 @@ +/* + * 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.hadoop.fs.s3a.audit; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileInputStream; +import java.io.IOException; +import java.io.InputStreamReader; +import java.io.PrintWriter; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Merge all the audit logs present in a directory of. + * multiple audit log files into a single audit log file. + */ +public class S3AAuditLogMerger { + + private static final Logger LOG = + LoggerFactory.getLogger(S3AAuditLogMerger.class); + + /** + * Merge all the audit log files from a directory into single audit log file. + * @param auditLogsDirectoryPath path where audit log files are present. + * @throws IOException on any failure. + */ + public void mergeFiles(String auditLogsDirectoryPath) throws IOException { + File auditLogFilesDirectory = new File(auditLogsDirectoryPath); + String[] auditLogFileNames = auditLogFilesDirectory.list(); + + //Merging of audit log files present in a directory into a single audit log file + if (auditLogFileNames != null && auditLogFileNames.length != 0) { + File auditLogFile = new File("AuditLogFile"); + try (PrintWriter printWriter = new PrintWriter(auditLogFile, + "UTF-8")) { + for (String singleAuditLogFileName : auditLogFileNames) { + File singleAuditLogFile = + new File(auditLogFilesDirectory, singleAuditLogFileName); + try (BufferedReader bufferedReader = + new BufferedReader( + new InputStreamReader(new FileInputStream(singleAuditLogFile), + "UTF-8"))) { Review Comment: modified -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org
