com.liferay.portal.upload.LiferayFileUpload.java Source code

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Here is the source code for com.liferay.portal.upload.LiferayFileUpload.java

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/**
 * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.upload;

import com.liferay.portal.kernel.util.ProgressTracker;
import com.liferay.portal.kernel.util.Validator;

import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

/**
 * @author Brian Myunghun Kim
 * @author Brian Wing Shun Chan
 */
public class LiferayFileUpload extends ServletFileUpload {

    public static final String FILE_NAME = LiferayFileUpload.class.getName() + "_FILE_NAME";

    public static final String PERCENT = ProgressTracker.PERCENT;

    public LiferayFileUpload(FileItemFactory fileItemFactory, HttpServletRequest request) {

        super(fileItemFactory);

        _session = request.getSession();
    }

    @Override
    public List<LiferayFileItem> parseRequest(HttpServletRequest request) throws FileUploadException {

        _session.removeAttribute(LiferayFileUpload.FILE_NAME);
        _session.removeAttribute(LiferayFileUpload.PERCENT);

        return super.parseRequest(request);
    }

    /**
     * @deprecated
     */
    @Override
    @SuppressWarnings("rawtypes")
    protected FileItem createItem(Map headers, boolean formField) throws FileUploadException {

        LiferayFileItem item = (LiferayFileItem) super.createItem(headers, formField);

        String fileName = item.getFileName();

        if (Validator.isNotNull(fileName)) {
            _session.setAttribute(LiferayFileUpload.FILE_NAME, fileName);
        }

        return item;
    }

    private HttpSession _session;

}