P5MX.Components.java Source code

Introduction

Here is the source code for P5MX.Components.java

Source

/*
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package P5MX;

import P1User.UserBLL;
import static P1User.UserDAL.SelectUser;
import P2Access.AccessBLL;
import P2Access.AccessDAL;
import P3File.FileBLL;
import static P3File.FileDAL.InsertFile;
import P4Tag.TagBLL;
import P4Tag.TagDAL;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
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 ARISTOCRAT
 */
public class Components {

    public static boolean UsernameTaken(String username) {

        UserBLL ux = SelectUser(username);

        if (ux == null)
            return false;
        else
            return true;
    }

    public static boolean UsernameInvalid(String username) {

        if (username.matches(".{8,16}"))
            return false;
        else
            return true;
    }

    public static boolean PasswordInvalid(String password) {

        if (password.matches("[A-Za-z]{8,16}"))
            return false;
        return true;
    }

    public static void ImportFile(HttpServletRequest request, HttpServletResponse response) {

        System.out.println("file");

        FileItemFactory factory = new DiskFileItemFactory();

        ServletFileUpload upload = new ServletFileUpload(factory);
        ServletOutputStream out = null;

        Integer UserId = 0;

        FileBLL fx = new FileBLL();
        try {

            List items = upload.parseRequest(request);
            Iterator iter = items.iterator();

            response.setContentType("text/html");
            out = response.getOutputStream();

            while (iter.hasNext()) {
                FileItem item = (FileItem) iter.next();

                if (item.isFormField()) {
                    UserId = Integer.valueOf(item.getString());
                    System.out.println("[ name :> " + item.getFieldName() + " ]");
                    System.out.println("[ value :> " + item.getString() + " ]");

                } else {
                    fx.setFilename(item.getName().split("\\.")[0]);
                    fx.setFiletype(item.getName().split("\\.")[1]);
                    fx.setData(item.get());
                    fx.setSize((int) item.getSize());
                }
            }

            out.close();
        } catch (FileUploadException | IOException fue) {
        }

        Integer FileId = InsertFile(fx);

        // file = SelectFileByName(file.getFilename());
        System.out.println("[ generatedKey :: " + FileId + " ]");

        AccessBLL ax = new AccessBLL(UserId, FileId);

        AccessDAL.GrantAccess(ax);

        TagDAL.InsertTag(new TagBLL(FileId, "Local"));
        System.out.println("Granted access!");

    }

    public static void DisplayFile(FileBLL FX, HttpServletRequest request, HttpServletResponse response) {
        try {

            String fileId = FX.getFilename() + "." + FX.getFiletype();

            response.setContentType("image/jpeg");

            OutputStream out = response.getOutputStream();
            try (ByteArrayInputStream in = new ByteArrayInputStream(FX.getData())) {
                byte[] buffer = new byte[4096];
                int length;
                while ((length = in.read(buffer)) > 0) {
                    out.write(buffer, 0, length);
                }
            }
            out.flush();

        } catch (IOException ex) {
            Logger.getLogger(Commands.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    public static void ExportFile(FileBLL FX, HttpServletRequest request, HttpServletResponse response) {
        try {

            String fileId = FX.getFilename() + "." + FX.getFiletype();

            response.setHeader("Content-Disposition", "attachment; filename=\"" + fileId + "\"");

            System.out.println(fileId);
            OutputStream out = response.getOutputStream();
            try (ByteArrayInputStream in = new ByteArrayInputStream(FX.getData())) {
                byte[] buffer = new byte[4096];
                int length;
                while ((length = in.read(buffer)) > 0) {
                    out.write(buffer, 0, length);
                }
            }
            out.flush();

        } catch (IOException ex) {
            Logger.getLogger(Commands.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

}