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

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org/apache/commons/fileupload/servlet/ServletFileUpload.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.servlet;

import java.io.IOException;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileItemIterator;
import org.apache.commons.fileupload.FileUpload;
import org.apache.commons.fileupload.FileUploadBase;
import org.apache.commons.fileupload.FileUploadException;

/**
 * <p>High level API for processing file uploads.</p>
 *
 * <p>This class handles multiple files per single HTML widget, sent using
 * <code>multipart/mixed</code> encoding type, as specified by
 * <a href="http://www.ietf.org/rfc/rfc1867.txt">RFC 1867</a>.  Use {@link
 * #parseRequest(HttpServletRequest)} to acquire a list of {@link
 * org.apache.commons.fileupload.FileItem}s associated with a given HTML
 * widget.</p>
 *
 * <p>How the data for individual parts is stored is determined by the factory
 * used to create them; a given part may be in memory, on disk, or somewhere
 * else.</p>
 *
 * @version $Id$
 */
public class ServletFileUpload extends FileUpload {

    /**
     * Constant for HTTP POST method.
     */
    private static final String POST_METHOD = "POST";

    // ---------------------------------------------------------- Class methods

    /**
     * Utility method that determines whether the request contains multipart
     * content.
     *
     * @param request The servlet request to be evaluated. Must be non-null.
     *
     * @return <code>true</code> if the request is multipart;
     *         <code>false</code> otherwise.
     */
    public static final boolean isMultipartContent(
            HttpServletRequest request) {
        if (!POST_METHOD.equalsIgnoreCase(request.getMethod())) {
            return false;
        }
        return FileUploadBase.isMultipartContent(new ServletRequestContext(request));
    }

    // ----------------------------------------------------------- Constructors

    /**
     * Constructs an uninitialised instance of this class. A factory must be
     * configured, using <code>setFileItemFactory()</code>, before attempting
     * to parse requests.
     *
     * @see FileUpload#FileUpload(FileItemFactory)
     */
    public ServletFileUpload() {
        super();
    }

    /**
     * Constructs an instance of this class which uses the supplied factory to
     * create <code>FileItem</code> instances.
     *
     * @see FileUpload#FileUpload()
     * @param fileItemFactory The factory to use for creating file items.
     */
    public ServletFileUpload(FileItemFactory fileItemFactory) {
        super(fileItemFactory);
    }

    // --------------------------------------------------------- Public methods

    /**
     * Processes an <a href="http://www.ietf.org/rfc/rfc1867.txt">RFC 1867</a>
     * compliant <code>multipart/form-data</code> stream.
     *
     * @param request The servlet request to be parsed.
     *
     * @return A list of <code>FileItem</code> instances parsed from the
     *         request, in the order that they were transmitted.
     *
     * @throws FileUploadException if there are problems reading/parsing
     *                             the request or storing files.
     */
    @Override
    public List<FileItem> parseRequest(HttpServletRequest request)
    throws FileUploadException {
        return parseRequest(new ServletRequestContext(request));
    }

    /**
     * Processes an <a href="http://www.ietf.org/rfc/rfc1867.txt">RFC 1867</a>
     * compliant <code>multipart/form-data</code> stream.
     *
     * @param request The servlet request to be parsed.
     *
     * @return A map of <code>FileItem</code> instances parsed from the request.
     *
     * @throws FileUploadException if there are problems reading/parsing
     *                             the request or storing files.
     *
     * @since 1.3
     */
    public Map<String, List<FileItem>> parseParameterMap(HttpServletRequest request)
            throws FileUploadException {
        return parseParameterMap(new ServletRequestContext(request));
    }

    /**
     * Processes an <a href="http://www.ietf.org/rfc/rfc1867.txt">RFC 1867</a>
     * compliant <code>multipart/form-data</code> stream.
     *
     * @param request The servlet request to be parsed.
     *
     * @return An iterator to instances of <code>FileItemStream</code>
     *         parsed from the request, in the order that they were
     *         transmitted.
     *
     * @throws FileUploadException if there are problems reading/parsing
     *                             the request or storing files.
     * @throws IOException An I/O error occurred. This may be a network
     *   error while communicating with the client or a problem while
     *   storing the uploaded content.
     */
    public FileItemIterator getItemIterator(HttpServletRequest request)
    throws FileUploadException, IOException {
        return super.getItemIterator(new ServletRequestContext(request));
    }

}

org/apache/commons/fileupload/servlet/ServletFileUpload.java

 

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