Java tutorial
/** * Copyright (C) 2015 Bonitasoft S.A. * Bonitasoft, 32 rue Gustave Eiffel - 38000 Grenoble * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2.0 of the License, or * (at your option) any later version. * This program 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 General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.bonitasoft.web.designer.controller.utils; import java.io.IOException; import java.io.InputStream; import java.nio.file.Files; import java.nio.file.Path; import java.util.Date; import java.util.zip.ZipException; import javax.inject.Named; import org.apache.commons.io.FileUtils; import org.apache.commons.io.IOUtils; import org.zeroturnaround.zip.ZipUtil; @Named public class Unzipper { private Path temporaryZipPath; public Unzipper() throws IOException { temporaryZipPath = Files.createTempDirectory("uid-tmp"); } public Path getTemporaryZipPath() { return temporaryZipPath; } public Path unzipInTempDir(InputStream is, String tempDirPrefix) throws IOException { Path tempDirectory = Files.createTempDirectory(temporaryZipPath, tempDirPrefix); Path zipFile = writeInDir(is, tempDirectory); try { ZipUtil.unpack(zipFile.toFile(), tempDirectory.toFile()); } catch (org.zeroturnaround.zip.ZipException e) { throw new ZipException(e.getMessage()); } finally { FileUtils.deleteQuietly(zipFile.toFile()); } return tempDirectory; } private Path writeInDir(InputStream is, Path tempDirectory) throws IOException { Path zipFile = tempDirectory.resolve("zipfile" + new Date().getTime()); Files.write(zipFile, IOUtils.toByteArray(is)); return zipFile; } }