com.openhris.commons.UploadImage.java Source code

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Here is the source code for com.openhris.commons.UploadImage.java

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/*
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package com.openhris.commons;

import com.openhris.service.PersonalInformationService;
import com.openhris.serviceprovider.PersonalInformationServiceImpl;
import com.vaadin.terminal.FileResource;
import com.vaadin.terminal.Sizeable;
import com.vaadin.ui.Embedded;
import com.vaadin.ui.Label;
import com.vaadin.ui.Panel;
import com.vaadin.ui.Upload;
import com.vaadin.ui.Window;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author jetdario
 */
public class UploadImage extends Window
        implements Upload.StartedListener, Upload.SucceededListener, Upload.FailedListener {

    Upload upload;
    Panel imagePanel; // Root element for contained components.
    Embedded avatar; // Embedded that contains the uploaded image.
    File file; // File to write to.
    Panel panel = new Panel();
    MyReceiver receiver = new MyReceiver();

    String employeeId;

    public UploadImage(Panel imagePanel, Embedded avatar, String employeeId) {
        this.imagePanel = imagePanel;
        this.avatar = avatar;
        this.employeeId = employeeId;

        imagePanel = new Panel("Upload Component");
        imagePanel.setWidth("400px");
        addComponent(imagePanel);

        // Create the Upload component.
        upload = new Upload("Upload the Image file here", receiver);
        // Use a custom button caption instead of plain "Upload".
        upload.setButtonCaption("Upload Now");

        // Listen for events regarding the success of upload. 
        upload.addListener((Upload.StartedListener) this);
        upload.addListener((Upload.SucceededListener) this);
        upload.addListener((Upload.FailedListener) this);

        panel.setWidth("100%");
        panel.addComponent(new Label("Click 'Choose file' to " + "select a file and then click 'Upload Now'. "
                + "image should have the same width and height so "
                + "that image will not look deformed when viewed."));

        imagePanel.addComponent(upload);
        imagePanel.addComponent(panel);

        avatar = new Embedded();
        avatar.setImmediate(true);
        avatar.setWidth(90, Sizeable.UNITS_PIXELS);
        avatar.setHeight(90, Sizeable.UNITS_PIXELS);
        imagePanel.addComponent(avatar);
    }

    @Override
    public void uploadStarted(Upload.StartedEvent event) {
        if (file == null) {
            getWindow().showNotification("Choose an Image file to Upload.",
                    Window.Notification.TYPE_WARNING_MESSAGE);
            return;
        }
        upload.submitUpload();
    }

    @Override
    public void uploadSucceeded(Upload.SucceededEvent event) {
        // Log the upload on screen.
        imagePanel.addComponent(
                new Label("File " + event.getFilename() + " of type '" + event.getMIMEType() + "' uploaded."));

        PersonalInformationService piService = new PersonalInformationServiceImpl();
        FileInputStream inputStream = null;
        try {
            inputStream = new FileInputStream(file);
        } catch (FileNotFoundException ex) {
            Logger.getLogger(UploadImage.class.getName()).log(Level.SEVERE, null, ex);
        }

        //insert image to DB
        Boolean result = piService.uploadImageForEmployee(inputStream, file, getEmployeeId());
        if (!result) {
            getWindow().showNotification("Cannot upload Image.", Window.Notification.TYPE_ERROR_MESSAGE);
            return;
        }

        // Display the uploaded file in the image panel.
        final FileResource imageResource = new FileResource(file, getApplication());
        avatar.setSource(imageResource);
        getParent().removeWindow(this);
    }

    @Override
    public void uploadFailed(Upload.FailedEvent event) {
        getWindow().showNotification("Upload Failed", Window.Notification.TYPE_ERROR_MESSAGE);
    }

    public class MyReceiver implements Upload.Receiver {

        private String fileName;
        private String mtype;
        private boolean sleep;
        private int total = 0;

        public OutputStream receiveUpload(String filename, String mimeType) {
            fileName = filename;
            mtype = mimeType;
            //File file  = new File(filename);
            file = new File(filename);

            FileOutputStream fos = null;
            try {
                fos = new FileOutputStream(file);
            } catch (Exception e) {
                //e.getMessage();
                System.err.print("This causes error " + e.getMessage());
            }
            return fos;
        }

        public String getFileName() {
            return fileName;
        }

        public String getMimeType() {
            return mtype;
        }

        public void setSlow(boolean value) {
            sleep = value;
        }

    }

    public void setEmployeeId(String employeeId) {
        this.employeeId = employeeId;
    }

    public String getEmployeeId() {
        return employeeId;
    }

}