views.BatchUpload.java Source code

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Here is the source code for views.BatchUpload.java

Source

/*******************************************************************************
 * ''' * QBiC User DB Tools enables users to add people and affiliations to our mysql user database.
 * Copyright (C) 2016 Andreas Friedrich
 *
 * This program 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 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program. If
 * not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package views;

import java.io.File;
import java.io.IOException;

import logging.Log4j2Logger;
import model.Styles;
import model.Styles.NotificationType;

import com.vaadin.ui.Button;
import com.vaadin.ui.Upload;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Upload.FinishedEvent;
import com.vaadin.ui.Upload.FinishedListener;

import helpers.SQLBatchParser;
import helpers.Uploader;

public class BatchUpload extends VerticalLayout {

    private final Uploader uploader = new Uploader();

    logging.Logger logger = new Log4j2Logger(BatchUpload.class);
    private Button register;
    private Upload upload;

    public BatchUpload() {
        setMargin(true);
        setSpacing(true);

        // file upload component
        Upload upload = new Upload("Upload your file here", uploader);
        addComponent(this.upload);
        upload.setEnabled(false);

        // sample registration button
        register = new Button("Register People");
        register.setVisible(false);
        addComponent(register);

        upload.setButtonCaption("Upload");
        // Listen for events regarding the success of upload.
        upload.addFailedListener(uploader);
        upload.addSucceededListener(uploader);
        FinishedListener uploadFinListener = new FinishedListener() {
            /**
             * 
             */
            private static final long serialVersionUID = -8413963075202260180L;

            public void uploadFinished(FinishedEvent event) {
                String uploadError = uploader.getError();
                File file = uploader.getFile();
                if (file.getPath().endsWith("up_")) {
                    String msg = "No file selected.";
                    logger.warn(msg);
                    Styles.notification("Failed to read file.", msg, NotificationType.ERROR);
                    if (!file.delete())
                        logger.error("uploaded tmp file " + file.getAbsolutePath() + " could not be deleted!");
                } else {
                    if (uploadError == null || uploadError.isEmpty()) {
                        String msg = "Upload successful!";
                        logger.info(msg);
                        //            try {
                        setRegEnabled(false);
                        SQLBatchParser parser = new SQLBatchParser();
                        if (parser.processTSV()) {
                            // TODO = prep.getObjects();
                            Styles.notification("Upload successful",
                                    "New people information successfully uploaded and read.",
                                    NotificationType.SUCCESS);
                        } else {
                            String error = parser.getError();
                            Styles.notification("Failed to read file.", error, NotificationType.ERROR);
                            if (!file.delete())
                                logger.error(
                                        "uploaded tmp file " + file.getAbsolutePath() + " could not be deleted!");
                        }
                        //            } catch (IOException e) {
                        //              e.printStackTrace();
                        //            }
                    } else {
                        Styles.notification("Failed to upload file.", uploadError, NotificationType.ERROR);
                        if (!file.delete())
                            logger.error("uploaded tmp file " + file.getAbsolutePath() + " could not be deleted!");
                    }
                }
            }
        };
        upload.addFinishedListener(uploadFinListener);
        // view.initUpload(upload);

        Button.ClickListener cl = new Button.ClickListener() {
            /**
             * 
             */
            private static final long serialVersionUID = 1L;

            /**
             * 
             */

            @Override
            public void buttonClick(ClickEvent event) {
                String src = event.getButton().getCaption();
                if (src.equals("Register People")) {
                    register.setEnabled(false);
                }
            }
        };
        register.addClickListener(cl);
    }

    public Button getRegisterButton() {
        return this.register;
    }

    public void setRegEnabled(boolean b) {
        register.setEnabled(b);
        register.setVisible(b);
    }

}