com.era7.bioinfo.blastxviewer7.server.util.FileUploadUtilities.java Source code

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Here is the source code for com.era7.bioinfo.blastxviewer7.server.util.FileUploadUtilities.java

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/*
 * Copyright (C) 2010-2012  "Oh no sequences!"
 *
 * This is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * This program 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 Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */
package com.era7.bioinfo.blastxviewer7.server.util;

import java.util.Iterator;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

/**
 *
 * @author Pablo Pareja Tobes <ppareja@era7.com>
 */
public class FileUploadUtilities {

    public static FileItem getFileItem(HttpServletRequest httpRequest) throws FileUploadException {
        FileItemFactory factory = new DiskFileItemFactory();
        ServletFileUpload upload = new ServletFileUpload(factory);
        List items = upload.parseRequest(httpRequest);
        Iterator iter = items.iterator();
        FileItem item = null;
        while (iter.hasNext()) {
            item = (FileItem) iter.next();
            if (!item.isFormField()) {
                return item;
            }
        }
        return item;
    }
}