/*
* Copyright 2001-2004 The Apache Software Foundation
*
* Licensed 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 net.jforum.util.legacy.commons.fileupload.servlet;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import net.jforum.util.legacy.commons.fileupload.FileItemFactory;
import net.jforum.util.legacy.commons.fileupload.FileUpload;
import net.jforum.util.legacy.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>
*
* @author <a href="mailto:Rafal.Krzewski@e-point.pl">Rafal Krzewski</a>
* @author <a href="mailto:dlr@collab.net">Daniel Rall</a>
* @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>
* @author <a href="mailto:jmcnally@collab.net">John McNally</a>
* @author <a href="mailto:martinc@apache.org">Martin Cooper</a>
* @author Sean C. Sullivan
*
* @version $Id: ServletFileUpload.java,v 1.3 2005/07/26 03:06:05 rafaelsteil Exp $
*/
public class ServletFileUpload extends FileUpload {
// ---------------------------------------------------------- Class methods
/**
* Utility method that determines whether the request contains multipart
* content.
*
* @param req The servlet request to be evaluated. Must be non-null.
*
* @return <code>true</code> if the request is multipart;
* <code>false</code> otherwise.
*/
//NOTE: This method cannot be enabled until the one in FileUploadBase is
// removed, since it is not possible to override a static method.
//public static final boolean isMultipartContent(
// HttpServletRequest request) {
// if (!"post".equals(request.getMethod().toLowerCase())) {
// 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(FileItemFactory)
*/
public ServletFileUpload() {
super();
}
/**
* Constructs an instance of this class which uses the supplied factory to
* create <code>FileItem</code> instances.
*
* @see #FileUpload()
*/
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.
*
* @exception FileUploadException if there are problems reading/parsing
* the request or storing files.
*/
public List /* FileItem */ parseRequest(HttpServletRequest request)
throws FileUploadException {
return parseRequest(new ServletRequestContext(request));
}
}