org.eclipse.rwt.widgets.upload.servlet.FileUploadListener.java Source code

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Here is the source code for org.eclipse.rwt.widgets.upload.servlet.FileUploadListener.java

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/*******************************************************************************
 * Copyright (c) 2002-2007 Critical Software S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Tiago Rodrigues (Critical Software S.A.) - initial implementation
 *     Joel Oliveira (Critical Software S.A.) - initial commit
 ******************************************************************************/
package org.eclipse.rwt.widgets.upload.servlet;

import org.apache.commons.fileupload.ProgressListener;

/**
 * This is a File Upload Listener that is used by Apache Commons File Upload to
 * monitor the progress of the uploaded file.
 */
public class FileUploadListener implements ProgressListener {

    private volatile long bytesRead = 0L, contentLength = 0L, item = 0L;

    /**
     * Creates a new File Upload Listener.
     */
    public FileUploadListener() {
        super();
    }

    /**
     * Updates the File properties.
     * 
     * @param aBytesRead Number of bytes read.
     * @param aContentLength The file length.
     * @param anItem The monitored item.
     */
    public final void update(final long aBytesRead, final long aContentLength, final int anItem) {
        bytesRead = aBytesRead;
        contentLength = aContentLength;
        item = anItem;
    }

    /**
     * Gets the number of bytes read.
     * 
     * @return Number of bytes read.
     */
    public final long getBytesRead() {
        return bytesRead;
    }

    /**
     * Gets the File length.
     * 
     * @return File length.
     */
    public final long getContentLength() {
        return contentLength;
    }

    /**
     * Gets the monitored item.
     * 
     * @return Monitored item.
     */
    public final long getItem() {
        return item;
    }
}