fileupload.java

Wicket一个开发Java Web应用程序框架。它使得开发web应用程序变得容易而轻松。 Wicket利用一个POJO data beans组件使得它可以与任何持久层技术相结合。

/*
 * 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.wicket.util.upload;


/**
 * <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>.
 * </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:[e-mail]">Rafal Krzewski</a>
 * @author <a href="mailto:[e-mail]">Daniel Rall</a>
 * @author <a href="mailto:[e-mail]">Jason van Zyl</a>
 * @author <a href="mailto:[e-mail]">John McNally</a>
 * @author <a href="mailto:[e-mail]">Martin Cooper</a>
 * @author Sean C. Sullivan
 */
public class FileUpload extends FileUploadBase
{

	/**
	 * The factory to use to create new form items.
	 */
	private FileItemFactory fileItemFactory;

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


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

	/**
	 * Returns the factory class used when creating file items.
	 * 
	 * @return The factory class for new file items.
	 */
	public FileItemFactory getFileItemFactory()
	{
		return fileItemFactory;
	}


	/**
	 * Sets the factory class to use when creating file items.
	 * 
	 * @param factory
	 *            The factory class for new file items.
	 */
	public void setFileItemFactory(FileItemFactory factory)
	{
		fileItemFactory = factory;
	}
}