Java tutorial
/** * The MIT License * Copyright (c) 2014 Nick Guletskii * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package org.ng200.openolympus.controller.task; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.text.MessageFormat; import org.apache.commons.compress.archivers.ArchiveException; import org.apache.commons.compress.archivers.ArchiveInputStream; import org.apache.commons.compress.archivers.ArchiveStreamFactory; import org.apache.commons.compress.archivers.zip.ZipArchiveEntry; import org.apache.commons.compress.utils.IOUtils; import org.apache.commons.io.FileUtils; import org.ng200.openolympus.StorageSpace; import org.ng200.openolympus.dto.TaskDto; import org.ng200.openolympus.dto.UploadableTask; import org.ng200.openolympus.model.Task; public class TaskUploader { public static final String TASK_CHECKING_CHAIN_PATH_TEMPLATE = "{0}/tasks/checkingchains/{1}/"; public static final String TASK_DESCRIPTION_PATH_TEMPLATE = "{0}/tasks/descriptions/{1}.html"; public TaskUploader() { super(); } protected void uploadTaskData(final Task task, final UploadableTask taskDto) throws IOException, IllegalStateException, FileNotFoundException, ArchiveException { final String descriptionPath = MessageFormat.format(TaskUploader.TASK_DESCRIPTION_PATH_TEMPLATE, StorageSpace.STORAGE_PREFIX, task.getTaskLocation()); if (taskDto.getDescriptionFile() != null) { final File descriptionFile = new File(descriptionPath); if (descriptionFile.exists()) { descriptionFile.delete(); } descriptionFile.getParentFile().mkdirs(); descriptionFile.createNewFile(); taskDto.getDescriptionFile().transferTo(descriptionFile); } if (taskDto.getTaskZip() != null) { final String checkingChainPath = MessageFormat.format(TaskUploader.TASK_CHECKING_CHAIN_PATH_TEMPLATE, StorageSpace.STORAGE_PREFIX, task.getTaskLocation()); final File checkingChainFile = new File(checkingChainPath); if (checkingChainFile.exists()) { FileUtils.deleteDirectory(checkingChainFile); } checkingChainFile.mkdirs(); try (ArchiveInputStream in = new ArchiveStreamFactory().createArchiveInputStream("zip", taskDto.getTaskZip().getInputStream())) { ZipArchiveEntry entry; while ((entry = (ZipArchiveEntry) in.getNextEntry()) != null) { final File file = new File(checkingChainFile, entry.getName()); if (entry.isDirectory()) { file.mkdirs(); } else { try (OutputStream out = new FileOutputStream(file)) { IOUtils.copy(in, out); } } } } } } }