/* * Copyright (C) 2012, Katy Hilgenberg. * Special acknowledgments to: Knowledge & Data Engineering Group, University of Kassel (http://www.kde.cs.uni-kassel.de). * Contact: sdcf@cs.uni-kassel.de * * This file is part of the SDCFramework (Sensor Data Collection Framework) project. * * The SDCFramework is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The SDCFramework is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with the SDCFramework. If not, see <http://www.gnu.org/licenses/>. */ package de.unikassel.android.sdcframework.util.facade; import java.io.BufferedOutputStream; import java.io.IOException; import java.util.List; /** * Interface for compression strategiy types. * * @author Katy Hilgenberg * */ public interface CompressionStrategy { /** * The compression method * * @param files * a list with the files to compress * @param out * the output stream to compress files into * @return true if successful, false otherwise * @throws IOException * if closing the output stream fails */ public abstract boolean compress( List< String > files, BufferedOutputStream out ) throws IOException; /** * Getter for an archive file extension of this strategy * * @return the archive file extension of this strategy */ public abstract String getArchiveExtension(); }