| /* |
| * 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.ambari.logfeeder.util; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import org.apache.commons.compress.compressors.CompressorOutputStream; |
| import org.apache.commons.compress.compressors.CompressorStreamFactory; |
| import org.apache.commons.compress.utils.IOUtils; |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| |
| public class CompressionUtil { |
| |
| private static final Logger logger = LogManager.getLogger(CompressionUtil.class); |
| |
| public static File compressFile(File inputFile, File outputFile, String algoName) { |
| CompressorOutputStream cos = null; |
| FileInputStream ios = null; |
| try { |
| if (!inputFile.exists()) { |
| throw new IllegalArgumentException("Input File:" + inputFile.getAbsolutePath() + " is not exist."); |
| } |
| if (inputFile.isDirectory()) { |
| throw new IllegalArgumentException("Input File:" + inputFile.getAbsolutePath() + " is a directory."); |
| } |
| File parent = outputFile.getParentFile(); |
| if (parent != null && !parent.exists()) { |
| boolean isParentCreated = parent.mkdirs(); |
| if (!isParentCreated) { |
| throw new IllegalAccessException( "User does not have permission to create parent directory :" + parent.getAbsolutePath()); |
| } |
| } |
| OutputStream out = new FileOutputStream(outputFile); |
| cos = new CompressorStreamFactory().createCompressorOutputStream(algoName, out); |
| ios = new FileInputStream(inputFile); |
| IOUtils.copy(ios, cos); |
| } catch (Exception e) { |
| logger.error(e); |
| } finally { |
| if (cos != null) { |
| try { |
| cos.close(); |
| } catch (IOException e) { |
| logger.error(e); |
| } |
| } |
| if (ios != null) { |
| try { |
| ios.close(); |
| } catch (IOException e) { |
| logger.error(e); |
| } |
| } |
| } |
| return outputFile; |
| } |
| } |