325N/A/*
325N/A * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
325N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
325N/A *
325N/A * This code is free software; you can redistribute it and/or modify it
325N/A * under the terms of the GNU General Public License version 2 only, as
325N/A * published by the Free Software Foundation. Oracle designates this
325N/A * particular file as subject to the "Classpath" exception as provided
325N/A * by Oracle in the LICENSE file that accompanied this code.
325N/A *
325N/A * This code is distributed in the hope that it will be useful, but WITHOUT
325N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
325N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
325N/A * version 2 for more details (a copy is included in the LICENSE file that
325N/A * accompanied this code).
325N/A *
325N/A * You should have received a copy of the GNU General Public License version
325N/A * 2 along with this work; if not, write to the Free Software Foundation,
325N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
325N/A *
325N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
325N/A * or visit www.oracle.com if you need additional information or have any
325N/A * questions.
325N/A */
325N/A
325N/Apackage com.sun.xml.internal.ws.encoding;
325N/A
325N/Aimport javax.activation.DataContentHandler;
325N/Aimport javax.activation.ActivationDataFlavor;
325N/Aimport javax.activation.DataSource;
325N/Aimport javax.imageio.ImageIO;
325N/Aimport javax.imageio.ImageWriter;
325N/Aimport javax.imageio.stream.ImageOutputStream;
325N/Aimport java.awt.*;
325N/Aimport java.awt.image.BufferedImage;
325N/Aimport java.awt.datatransfer.DataFlavor;
325N/Aimport java.util.logging.Logger;
325N/Aimport java.util.Iterator;
325N/Aimport java.io.IOException;
325N/Aimport java.io.BufferedInputStream;
325N/Aimport java.io.OutputStream;
325N/A
325N/A/**
325N/A * @author Jitendra Kotamraju
325N/A */
325N/A
325N/Apublic class ImageDataContentHandler extends Component
325N/A implements DataContentHandler {
325N/A
325N/A private static final Logger log = Logger.getLogger(ImageDataContentHandler.class.getName());
325N/A private final DataFlavor[] flavor;
325N/A
325N/A public ImageDataContentHandler() {
325N/A String[] mimeTypes = ImageIO.getReaderMIMETypes();
325N/A flavor = new DataFlavor[mimeTypes.length];
325N/A for(int i=0; i < mimeTypes.length; i++) {
325N/A flavor[i] = new ActivationDataFlavor(Image.class, mimeTypes[i], "Image");
325N/A }
325N/A }
325N/A
325N/A /**
325N/A * Returns an array of DataFlavor objects indicating the flavors the
325N/A * data can be provided in. The array should be ordered according to
325N/A * preference for providing the data (from most richly descriptive to
325N/A * least descriptive).
325N/A *
325N/A * @return The DataFlavors.
325N/A */
325N/A public DataFlavor[] getTransferDataFlavors() {
325N/A return flavor;
325N/A }
325N/A
325N/A /**
325N/A * Returns an object which represents the data to be transferred.
325N/A * The class of the object returned is defined by the representation class
325N/A * of the flavor.
325N/A *
325N/A * @param df The DataFlavor representing the requested type.
325N/A * @param ds The DataSource representing the data to be converted.
325N/A * @return The constructed Object.
325N/A */
325N/A public Object getTransferData(DataFlavor df, DataSource ds)
325N/A throws IOException {
325N/A for (DataFlavor aFlavor : flavor) {
325N/A if (aFlavor.equals(df)) {
325N/A return getContent(ds);
325N/A }
325N/A }
325N/A return null;
325N/A }
325N/A
325N/A /**
325N/A * Return an object representing the data in its most preferred form.
325N/A * Generally this will be the form described by the first DataFlavor
325N/A * returned by the <code>getTransferDataFlavors</code> method.
325N/A *
325N/A * @param ds The DataSource representing the data to be converted.
325N/A * @return The constructed Object.
325N/A */
325N/A public Object getContent(DataSource ds) throws IOException {
325N/A return ImageIO.read(new BufferedInputStream(ds.getInputStream()));
325N/A }
325N/A
325N/A /**
325N/A * Convert the object to a byte stream of the specified MIME type
325N/A * and write it to the output stream.
325N/A *
325N/A * @param obj The object to be converted.
325N/A * @param type The requested MIME type of the resulting byte stream.
325N/A * @param os The output stream into which to write the converted
325N/A * byte stream.
325N/A */
325N/A
325N/A public void writeTo(Object obj, String type, OutputStream os)
325N/A throws IOException {
325N/A
325N/A try {
325N/A BufferedImage bufImage;
325N/A if (obj instanceof BufferedImage) {
325N/A bufImage = (BufferedImage)obj;
325N/A } else if (obj instanceof Image) {
325N/A bufImage = render((Image)obj);
325N/A } else {
325N/A throw new IOException(
325N/A "ImageDataContentHandler requires Image object, "
325N/A + "was given object of type "
325N/A + obj.getClass().toString());
325N/A }
325N/A ImageWriter writer = null;
325N/A Iterator<ImageWriter> i = ImageIO.getImageWritersByMIMEType(type);
325N/A if (i.hasNext()) {
325N/A writer = i.next();
325N/A }
325N/A if (writer != null) {
325N/A ImageOutputStream stream = ImageIO.createImageOutputStream(os);
325N/A writer.setOutput(stream);
325N/A writer.write(bufImage);
325N/A writer.dispose();
325N/A stream.close();
325N/A } else {
325N/A throw new IOException("Unsupported mime type:"+ type);
325N/A }
325N/A } catch (Exception e) {
325N/A throw new IOException("Unable to encode the image to a stream "
325N/A + e.getMessage());
325N/A }
325N/A }
325N/A
325N/A
325N/A private BufferedImage render(Image img) throws InterruptedException {
325N/A
325N/A MediaTracker tracker = new MediaTracker(this);
325N/A tracker.addImage(img, 0);
325N/A tracker.waitForAll();
325N/A BufferedImage bufImage = new BufferedImage(img.getWidth(null),
325N/A img.getHeight(null), BufferedImage.TYPE_INT_RGB);
325N/A Graphics g = bufImage.createGraphics();
325N/A g.drawImage(img, 0, 0, null);
325N/A g.dispose();
325N/A return bufImage;
325N/A }
325N/A
325N/A}