controller.file.FileUploader.java Source code

Introduction

Here is the source code for controller.file.FileUploader.java

Source

package controller.file;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

/*
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 * and open the template in the editor.
 */
/**
 *
 * @author mrnull
 */
public class FileUploader extends HttpServlet {

    public static void fileDownloader(HttpServletRequest request, HttpServletResponse response) {
        PrintWriter out = null;
        try {
            String filename = "foo.xml";
            String filepath = "/tmp/";
            out = response.getWriter();
            response.setContentType("APPLICATION/OCTET-STREAM");
            response.setHeader("Content-Disposition", "attachment; filename=\"" + filename + "\"");
            java.io.FileInputStream fileInputStream = new java.io.FileInputStream(filepath + filename);
            int i;
            while ((i = fileInputStream.read()) != -1) {
                out.write(i);
            }
            fileInputStream.close();
            out.close();
        } catch (IOException ex) {
            Logger.getLogger(FileUploader.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            out.close();
        }
    }

    public static void fileUploader(HttpServletRequest req, HttpServletResponse resp) {
        try {
            DiskFileItemFactory diskFileItemFactory = new DiskFileItemFactory();
            ServletFileUpload servletFileUpload = new ServletFileUpload(diskFileItemFactory);
            List<FileItem> items = servletFileUpload.parseRequest(req);
            Iterator<FileItem> iterator = items.iterator();
            while (iterator.hasNext()) {
                FileItem item = iterator.next();
                if (item.isFormField()) {

                    String fileName = item.getFieldName();
                    String value = item.getString();
                    System.out.println(fileName);
                    System.out.println(value);

                } else {
                    if (!item.isFormField()) {
                        item.write(new File("/tmp/" + item.getName()));
                    }
                }

            }
        } catch (FileUploadException ex) {
            Logger.getLogger(FileUploader.class.getName()).log(Level.SEVERE, null, ex);
        } catch (Exception ex) {
            Logger.getLogger(FileUploader.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

}