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commons-fileupload-1.3.3-sources.jar - Apache Commons FileUpload
commons-fileupload-1.3.3-sources.jar is the source JAR file for Apache Commons FileUpload 1.3., which adds robust, high-performance, file upload capability to your servlets and web applications.
JAR File Size and Download Location:
JAR name: commons-fileupload-1.3.3-sources.jar Target JDK version: 1.5 Dependency: commons-io.jar File size: 280,834 bytes Release date: 09-Jun-2017 Download: Apache Commons FileUpload
✍: FYIcenter.com
⏎ org/apache/commons/fileupload/disk/DiskFileItemFactory.java
/* * 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.commons.fileupload.disk; import java.io.File; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileItemFactory; import org.apache.commons.io.FileCleaningTracker; /** * <p>The default {@link org.apache.commons.fileupload.FileItemFactory} * implementation. This implementation creates * {@link org.apache.commons.fileupload.FileItem} instances which keep their * content either in memory, for smaller items, or in a temporary file on disk, * for larger items. The size threshold, above which content will be stored on * disk, is configurable, as is the directory in which temporary files will be * created.</p> * * <p>If not otherwise configured, the default configuration values are as * follows:</p> * <ul> * <li>Size threshold is 10KB.</li> * <li>Repository is the system default temp directory, as returned by * <code>System.getProperty("java.io.tmpdir")</code>.</li> * </ul> * <p> * <b>NOTE</b>: Files are created in the system default temp directory with * predictable names. This means that a local attacker with write access to that * directory can perform a TOUTOC attack to replace any uploaded file with a * file of the attackers choice. The implications of this will depend on how the * uploaded file is used but could be significant. When using this * implementation in an environment with local, untrusted users, * {@link #setRepository(File)} MUST be used to configure a repository location * that is not publicly writable. In a Servlet container the location identified * by the ServletContext attribute <code>javax.servlet.context.tempdir</code> * may be used. * </p> * * <p>Temporary files, which are created for file items, should be * deleted later on. The best way to do this is using a * {@link FileCleaningTracker}, which you can set on the * {@link DiskFileItemFactory}. However, if you do use such a tracker, * then you must consider the following: Temporary files are automatically * deleted as soon as they are no longer needed. (More precisely, when the * corresponding instance of {@link java.io.File} is garbage collected.) * This is done by the so-called reaper thread, which is started and stopped * automatically by the {@link FileCleaningTracker} when there are files to be * tracked. * It might make sense to terminate that thread, for example, if * your web application ends. See the section on "Resource cleanup" * in the users guide of commons-fileupload.</p> * * @since FileUpload 1.1 * * @version $Id$ */ public class DiskFileItemFactory implements FileItemFactory { // ----------------------------------------------------- Manifest constants /** * The default threshold above which uploads will be stored on disk. */ public static final int DEFAULT_SIZE_THRESHOLD = 10240; // ----------------------------------------------------- Instance Variables /** * The directory in which uploaded files will be stored, if stored on disk. */ private File repository; /** * The threshold above which uploads will be stored on disk. */ private int sizeThreshold = DEFAULT_SIZE_THRESHOLD; /** * <p>The instance of {@link FileCleaningTracker}, which is responsible * for deleting temporary files.</p> * <p>May be null, if tracking files is not required.</p> */ private FileCleaningTracker fileCleaningTracker; // ----------------------------------------------------------- Constructors /** * Constructs an unconfigured instance of this class. The resulting factory * may be configured by calling the appropriate setter methods. */ public DiskFileItemFactory() { this(DEFAULT_SIZE_THRESHOLD, null); } /** * Constructs a preconfigured instance of this class. * * @param sizeThreshold The threshold, in bytes, below which items will be * retained in memory and above which they will be * stored as a file. * @param repository The data repository, which is the directory in * which files will be created, should the item size * exceed the threshold. */ public DiskFileItemFactory(int sizeThreshold, File repository) { this.sizeThreshold = sizeThreshold; this.repository = repository; } // ------------------------------------------------------------- Properties /** * Returns the directory used to temporarily store files that are larger * than the configured size threshold. * * @return The directory in which temporary files will be located. * * @see #setRepository(java.io.File) * */ public File getRepository() { return repository; } /** * Sets the directory used to temporarily store files that are larger * than the configured size threshold. * * @param repository The directory in which temporary files will be located. * * @see #getRepository() * */ public void setRepository(File repository) { this.repository = repository; } /** * Returns the size threshold beyond which files are written directly to * disk. The default value is 10240 bytes. * * @return The size threshold, in bytes. * * @see #setSizeThreshold(int) */ public int getSizeThreshold() { return sizeThreshold; } /** * Sets the size threshold beyond which files are written directly to disk. * * @param sizeThreshold The size threshold, in bytes. * * @see #getSizeThreshold() * */ public void setSizeThreshold(int sizeThreshold) { this.sizeThreshold = sizeThreshold; } // --------------------------------------------------------- Public Methods /** * Create a new {@link org.apache.commons.fileupload.disk.DiskFileItem} * instance from the supplied parameters and the local factory * configuration. * * @param fieldName The name of the form field. * @param contentType The content type of the form field. * @param isFormField <code>true</code> if this is a plain form field; * <code>false</code> otherwise. * @param fileName The name of the uploaded file, if any, as supplied * by the browser or other client. * * @return The newly created file item. */ public FileItem createItem(String fieldName, String contentType, boolean isFormField, String fileName) { DiskFileItem result = new DiskFileItem(fieldName, contentType, isFormField, fileName, sizeThreshold, repository); FileCleaningTracker tracker = getFileCleaningTracker(); if (tracker != null) { tracker.track(result.getTempFile(), result); } return result; } /** * Returns the tracker, which is responsible for deleting temporary * files. * * @return An instance of {@link FileCleaningTracker}, or null * (default), if temporary files aren't tracked. */ public FileCleaningTracker getFileCleaningTracker() { return fileCleaningTracker; } /** * Sets the tracker, which is responsible for deleting temporary * files. * * @param pTracker An instance of {@link FileCleaningTracker}, * which will from now on track the created files, or null * (default), to disable tracking. */ public void setFileCleaningTracker(FileCleaningTracker pTracker) { fileCleaningTracker = pTracker; } }
⏎ org/apache/commons/fileupload/disk/DiskFileItemFactory.java
Or download all of them as a single archive file:
File name: commons-fileupload-1.3.3-sources.zip File size: 90434 bytes Release date: 2017-06-09 Download
⇒ Download and Install commons-fileupload-1.3.2-bin.zip
⇐ What Is commons-fileupload-1.3.3.jar
2022-11-10, 27229👍, 0💬
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