http://commons.apache.org/proper/commons-fileupload/: The Apache Commons FileUpload component provides a simple yet flexible means of adding support for multipart file upload functionality to servlets and web applications. (The Apache Software Foundation)
  • Aaron Freeman
  • Daniel Fabian
  • Jörg Heinicke
  • Stepan Koltsov
  • Michael Macaluso
  • Amichai Rothman
  • Alexander Sova
  • Paul Spurr
  • Thomas Vandahl
  • Henry Yandell
  • Jan Novotný
  • frank
  • maxxedev
  • Rafal Krzewski
  • Sean Legassick
  • Oleg Kalnichevski
  • David Sean Taylor
  • fangwentong
  • Martin Cooper (Yahoo!)
  • dIon Gillard (Multitask Consulting)
  • John McNally (CollabNet)
  • Daniel Rall (CollabNet)
  • Jason van Zyl (Zenplex)
  • Robert Burrell Donkin ()
  • Sean C. Sullivan ()
  • Jochen Wiedmann ()
  • Simone Tripodi (Adobe)
  • Gary Gregory ()
  • Rob Tompkins 
/*
 * 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.servlet;

import javax.servlet.ServletContext;
import javax.servlet.ServletContextListener;
import javax.servlet.ServletContextEvent;

import org.apache.commons.io.FileCleaningTracker;


A servlet context listener, which ensures that the FileCleaningTracker's reaper thread is terminated, when the web application is destroyed. 
/**
 * A servlet context listener, which ensures that the
 * {@link FileCleaningTracker}'s reaper thread is terminated,
 * when the web application is destroyed.
 */
public class FileCleanerCleanup implements ServletContextListener {

    
Attribute name, which is used for storing an instance of FileCleaningTracker in the web application. 
/**
     * Attribute name, which is used for storing an instance of
     * {@link FileCleaningTracker} in the web application.
     */
    public static final String FILE_CLEANING_TRACKER_ATTRIBUTE
        = FileCleanerCleanup.class.getName() + ".FileCleaningTracker";

    
Returns the instance of FileCleaningTracker, which is associated with the given ServletContext. 
Params:
  • pServletContext – The servlet context to query
Returns:The contexts tracker
/**
     * Returns the instance of {@link FileCleaningTracker}, which is
     * associated with the given {@link ServletContext}.
     *
     * @param pServletContext The servlet context to query
     * @return The contexts tracker
     */
    public static FileCleaningTracker
            getFileCleaningTracker(ServletContext pServletContext) {
        return (FileCleaningTracker)
            pServletContext.getAttribute(FILE_CLEANING_TRACKER_ATTRIBUTE);
    }

    
Sets the instance of FileCleaningTracker, which is associated with the given ServletContext. 
Params:
  • pServletContext – The servlet context to modify
  • pTracker – The tracker to set
/**
     * Sets the instance of {@link FileCleaningTracker}, which is
     * associated with the given {@link ServletContext}.
     *
     * @param pServletContext The servlet context to modify
     * @param pTracker The tracker to set
     */
    public static void setFileCleaningTracker(ServletContext pServletContext,
            FileCleaningTracker pTracker) {
        pServletContext.setAttribute(FILE_CLEANING_TRACKER_ATTRIBUTE, pTracker);
    }

    
Called when the web application is initialized. Does
nothing.

Params:
  • sce – The servlet context, used for calling setFileCleaningTracker(ServletContext, FileCleaningTracker).
/**
     * Called when the web application is initialized. Does
     * nothing.
     *
     * @param sce The servlet context, used for calling
     *   {@link #setFileCleaningTracker(ServletContext, FileCleaningTracker)}.
     */
    @Override
    public void contextInitialized(ServletContextEvent sce) {
        setFileCleaningTracker(sce.getServletContext(),
                new FileCleaningTracker());
    }

    
Called when the web application is being destroyed. Calls FileCleaningTracker.exitWhenFinished(). 
Params:
  • sce – The servlet context, used for calling getFileCleaningTracker(ServletContext).
/**
     * Called when the web application is being destroyed.
     * Calls {@link FileCleaningTracker#exitWhenFinished()}.
     *
     * @param sce The servlet context, used for calling
     *     {@link #getFileCleaningTracker(ServletContext)}.
     */
    @Override
    public void contextDestroyed(ServletContextEvent sce) {
        getFileCleaningTracker(sce.getServletContext()).exitWhenFinished();
    }

}