/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.cxf.systest.mtom_feature;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Iterator;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriter;
import javax.imageio.stream.ImageOutputStream;
public final class ImageHelper {
private ImageHelper() {
// empty
}
public static byte[] getImageBytes(Image image, String type) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
BufferedImage bufImage = convertToBufferedImage(image);
ImageWriter writer = null;
Iterator i = ImageIO.getImageWritersByMIMEType(type);
if (i.hasNext()) {
writer = (ImageWriter)i.next();
}
if (writer != null) {
ImageOutputStream stream = null;
stream = ImageIO.createImageOutputStream(baos);
writer.setOutput(stream);
writer.write(bufImage);
stream.close();
return baos.toByteArray();
}
return null;
}
private static BufferedImage convertToBufferedImage(Image image) throws IOException {
if (image instanceof BufferedImage) {
return (BufferedImage)image;
} else {
/*not sure how this is used*/
MediaTracker tracker = new MediaTracker(null);
tracker.addImage(image, 0);
try {
tracker.waitForAll();
} catch (InterruptedException e) {
throw new IOException(e.getMessage());
}
BufferedImage bufImage = new BufferedImage(
image.getWidth(null),
image.getHeight(null),
BufferedImage.TYPE_INT_RGB);
Graphics g = bufImage.createGraphics();
g.drawImage(image, 0, 0, null);
return bufImage;
}
}
}