eg.nileu.cis.nilestore.webapp.servlets.UploadServletRequest.java Source code

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Here is the source code for eg.nileu.cis.nilestore.webapp.servlets.UploadServletRequest.java

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/**
 * This file is part of the Nilestore project.
 * 
 * Copyright (C) (2011) Nile University (NU)
 *
 * Nilestore is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package eg.nileu.cis.nilestore.webapp.servlets;

import java.io.File;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

import eg.nileu.cis.nilestore.webserver.port.ServletRequest;

// TODO: Auto-generated Javadoc
/**
 * The Class UploadServletRequest.
 * 
 * @author Mahmoud Ismail <mahmoudahmedismail@gmail.com>
 */
public class UploadServletRequest extends ServletRequest {

    /** The file name. */
    private String fileName;

    /** The file path. */
    private String filePath;

    /** The return type. */
    private String returnType = "html";

    /** The is file found. */
    private boolean isFileFound;

    /**
     * Instantiates a new upload servlet request.
     * 
     * @param request
     *            the request
     * @throws Exception
     *             the exception
     */
    public UploadServletRequest(HttpServletRequest request) throws Exception {
        super(request);
        init_ajaxUpload();
    }

    /**
     * Checks if is file founded.
     * 
     * @return true, if is file founded
     */
    public boolean isFileFounded() {
        return isFileFound;
    }

    /**
     * Gets the file name.
     * 
     * @return the file name
     */
    public String getFileName() {
        return fileName;
    }

    /**
     * Gets the file path.
     * 
     * @return the file path
     */
    public String getFilePath() {
        return filePath;
    }

    /**
     * Checks if is file upload request.
     * 
     * @param request
     *            the request
     * @return true, if is file upload request
     */
    public static boolean isFileUploadRequest(HttpServletRequest request) {
        return ServletFileUpload.isMultipartContent(request);
    }

    /**
     * Init_ajax upload.
     * 
     * @throws Exception
     *             the exception
     */
    @SuppressWarnings("unchecked")
    private void init_ajaxUpload() throws Exception {

        ServletFileUpload uploadHandler = new ServletFileUpload(new DiskFileItemFactory());
        List<FileItem> items = uploadHandler.parseRequest(request);
        for (FileItem item : items) {
            if (!item.isFormField()) {
                File f = File.createTempFile("upfile", ".tmp");
                f.deleteOnExit();
                item.write(f);
                fileName = item.getName();
                if (fileName.contains(File.separator)) {
                    fileName = fileName.substring(fileName.lastIndexOf(File.separator) + 1);
                }
                filePath = f.getAbsolutePath();
                isFileFound = true;
                // Here we handle only one file at once
                break;
            } else {
                if (item.getFieldName().equals(DEST_FIELD_NAME)) {
                    dest = Integer.valueOf(item.getString());
                }
            }
        }
        String t = getParameter("t");
        if (t != null) {
            returnType = t;
        }
    }

    /**
     * Gets the return type.
     * 
     * @return the return type
     */
    public String getReturnType() {
        return returnType;
    }
}