| /* |
| * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| /* |
| * $Id: JpegDataContentHandler.java,v 1.1.1.1.2.1 2007/11/27 07:19:29 kumarjayanti Exp $ |
| * $Revision: 1.1.1.1.2.1 $ |
| * $Date: 2007/11/27 07:19:29 $ |
| */ |
| |
| |
| package com.sun.xml.internal.messaging.saaj.soap; |
| |
| import java.awt.*; |
| import java.awt.datatransfer.DataFlavor; |
| import java.awt.image.BufferedImage; |
| import java.io.*; |
| |
| import javax.activation.*; |
| |
| //import com.sun.image.codec.jpeg.*; |
| import javax.imageio.ImageIO; |
| |
| /** |
| * JAF data handler for Jpeg content |
| * |
| * @author Ana Lindstrom-Tamer |
| */ |
| |
| public class JpegDataContentHandler |
| extends Component |
| implements DataContentHandler { |
| public final String STR_SRC = "java.awt.Image"; |
| |
| /** |
| * return the DataFlavors for this <code>DataContentHandler</code> |
| * @return The DataFlavors. |
| */ |
| public DataFlavor[] getTransferDataFlavors() { // throws Exception; |
| DataFlavor flavors[] = new DataFlavor[1]; |
| |
| try { |
| flavors[0] = |
| new ActivationDataFlavor( |
| Class.forName(STR_SRC), |
| "image/jpeg", |
| "JPEG"); |
| } catch (Exception e) { |
| System.out.println(e); |
| } |
| |
| return flavors; |
| } |
| |
| /** |
| * return the Transfer Data of type DataFlavor from InputStream |
| * @param df The DataFlavor. |
| * @param ins The InputStream corresponding to the data. |
| * @return The constructed Object. |
| */ |
| public Object getTransferData(DataFlavor df, DataSource ds) { |
| |
| // this is sort of hacky, but will work for the |
| // sake of testing... |
| if (df.getMimeType().startsWith("image/jpeg")) { |
| if (df.getRepresentationClass().getName().equals(STR_SRC)) { |
| InputStream inputStream = null; |
| BufferedImage jpegLoadImage = null; |
| |
| try { |
| inputStream = ds.getInputStream(); |
| jpegLoadImage = ImageIO.read(inputStream); |
| |
| } catch (Exception e) { |
| System.out.println(e); |
| } |
| |
| return jpegLoadImage; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * |
| */ |
| public Object getContent(DataSource ds) { // throws Exception; |
| InputStream inputStream = null; |
| BufferedImage jpegLoadImage = null; |
| |
| try { |
| inputStream = ds.getInputStream(); |
| jpegLoadImage = ImageIO.read(inputStream); |
| |
| } catch (Exception e) { |
| } |
| |
| return (Image) jpegLoadImage; |
| } |
| |
| /** |
| * construct an object from a byte stream |
| * (similar semantically to previous method, we are deciding |
| * which one to support) |
| */ |
| public void writeTo(Object obj, String mimeType, OutputStream os) |
| throws IOException { |
| if (!mimeType.equals("image/jpeg")) |
| throw new IOException( |
| "Invalid content type \"" |
| + mimeType |
| + "\" for ImageContentHandler"); |
| |
| if (obj.equals(null)) { |
| throw new IOException("Null object for ImageContentHandler"); |
| } |
| |
| try { |
| BufferedImage bufImage = null; |
| if (obj instanceof BufferedImage) { |
| bufImage = (BufferedImage) obj; |
| |
| } else { |
| Image img = (Image) obj; |
| MediaTracker tracker = new MediaTracker(this); |
| tracker.addImage(img, 0); |
| tracker.waitForAll(); |
| if (tracker.isErrorAny()) { |
| throw new IOException("Error while loading image"); |
| } |
| bufImage = |
| new BufferedImage( |
| img.getWidth(null), |
| img.getHeight(null), |
| BufferedImage.TYPE_INT_RGB); |
| |
| Graphics g = bufImage.createGraphics(); |
| g.drawImage(img, 0, 0, null); |
| } |
| |
| ImageIO.write(bufImage, "jpeg", os); |
| |
| } catch (Exception ex) { |
| throw new IOException( |
| "Unable to run the JPEG Encoder on a stream " |
| + ex.getMessage()); |
| } |
| } |
| } |