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Commons FileUpload example source code file (

This example Commons FileUpload source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons FileUpload tags/keywords

file_cleaning_tracker_attribute, filecleanercleanup, filecleanercleanup, filecleaningtracker, filecleaningtracker, servlet, servletcontextlistener, servletcontextlistener, string, string

The Commons FileUpload source code

 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * 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;


 * A servlet context listener, which ensures that the
 * {@link FileCleaner'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
     * {@link FileCleaningTracker} in the web application.
    public static final String FILE_CLEANING_TRACKER_ATTRIBUTE
        = FileCleanerCleanup.class.getName() + ".FileCleaningTracker";

     * 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)

     * 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.
     * @param sce The servlet context, used for calling
     *   {@link #setFileCleaningTracker(ServletContext, FileCleaningTracker)}.
    public void contextInitialized(ServletContextEvent sce) {
                new FileCleaningTracker());

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

Other Commons FileUpload examples (source code examples)

Here is a short list of links related to this Commons FileUpload source code file:

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