/*
* Copyright (C) 2013,2014 The Cat Hive Developers.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.cathive.fx.apps.contacts.model.converter;
import javafx.embed.swing.SwingFXUtils;
import javafx.scene.image.Image;
import javax.imageio.ImageIO;
import javax.persistence.AttributeConverter;
import javax.persistence.Converter;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* @author Benjamin P. Jung
*/
@Converter
public class ImageConverter implements AttributeConverter<Image, byte[]> {
/** Logger for this instance. */
private static final Logger LOGGER = Logger.getLogger(ImageConverter.class.getName());
@Override
public byte[] convertToDatabaseColumn(final Image image) {
byte[] bytes;
try (final ByteArrayOutputStream baos = new ByteArrayOutputStream(1024)) {
ImageIO.write(SwingFXUtils.fromFXImage(image, null), "png", baos);
bytes = baos.toByteArray();
} catch (final IOException e) {
LOGGER.log(Level.WARNING, "Couldn't convert image to byte array");
bytes = null;
}
return bytes;
}
@Override
public Image convertToEntityAttribute(final byte[] bytes) {
Image img;
try (final ByteArrayInputStream bis = new ByteArrayInputStream(bytes)) {
img = new Image(bis);
} catch (final IOException e) {
LOGGER.log(Level.WARNING, "Couldn't create image from byte array.");
img = null;
}
return img;
}
}