ohair@286: /* alanb@368: * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. ohair@286: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. ohair@286: * ohair@286: * This code is free software; you can redistribute it and/or modify it ohair@286: * under the terms of the GNU General Public License version 2 only, as ohair@286: * published by the Free Software Foundation. Oracle designates this ohair@286: * particular file as subject to the "Classpath" exception as provided ohair@286: * by Oracle in the LICENSE file that accompanied this code. ohair@286: * ohair@286: * This code is distributed in the hope that it will be useful, but WITHOUT ohair@286: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ohair@286: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ohair@286: * version 2 for more details (a copy is included in the LICENSE file that ohair@286: * accompanied this code). ohair@286: * ohair@286: * You should have received a copy of the GNU General Public License version ohair@286: * 2 along with this work; if not, write to the Free Software Foundation, ohair@286: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. ohair@286: * ohair@286: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA ohair@286: * or visit www.oracle.com if you need additional information or have any ohair@286: * questions. ohair@286: */ ohair@286: ohair@286: package com.sun.xml.internal.messaging.saaj.soap; ohair@286: ohair@286: import java.awt.*; ohair@286: import java.awt.datatransfer.DataFlavor; ohair@286: import java.awt.image.BufferedImage; ohair@286: import java.io.*; ohair@286: ohair@286: import javax.activation.*; ohair@286: ohair@286: //import com.sun.image.codec.jpeg.*; ohair@286: import javax.imageio.ImageIO; ohair@286: ohair@286: /** ohair@286: * JAF data handler for Jpeg content ohair@286: * ohair@286: * @author Ana Lindstrom-Tamer ohair@286: */ ohair@286: ohair@286: public class JpegDataContentHandler ohair@286: extends Component ohair@286: implements DataContentHandler { alanb@368: public static final String STR_SRC = "java.awt.Image"; ohair@286: ohair@286: /** ohair@286: * return the DataFlavors for this DataContentHandler ohair@286: * @return The DataFlavors. ohair@286: */ ohair@286: public DataFlavor[] getTransferDataFlavors() { // throws Exception; ohair@286: DataFlavor flavors[] = new DataFlavor[1]; ohair@286: ohair@286: try { ohair@286: flavors[0] = ohair@286: new ActivationDataFlavor( ohair@286: Class.forName(STR_SRC), ohair@286: "image/jpeg", ohair@286: "JPEG"); ohair@286: } catch (Exception e) { ohair@286: System.out.println(e); ohair@286: } ohair@286: ohair@286: return flavors; ohair@286: } ohair@286: ohair@286: /** ohair@286: * return the Transfer Data of type DataFlavor from InputStream ohair@286: * @param df The DataFlavor. ohair@286: * @param ins The InputStream corresponding to the data. ohair@286: * @return The constructed Object. ohair@286: */ ohair@286: public Object getTransferData(DataFlavor df, DataSource ds) { ohair@286: ohair@286: // this is sort of hacky, but will work for the ohair@286: // sake of testing... ohair@286: if (df.getMimeType().startsWith("image/jpeg")) { ohair@286: if (df.getRepresentationClass().getName().equals(STR_SRC)) { ohair@286: InputStream inputStream = null; ohair@286: BufferedImage jpegLoadImage = null; ohair@286: ohair@286: try { ohair@286: inputStream = ds.getInputStream(); ohair@286: jpegLoadImage = ImageIO.read(inputStream); ohair@286: ohair@286: } catch (Exception e) { ohair@286: System.out.println(e); ohair@286: } ohair@286: ohair@286: return jpegLoadImage; ohair@286: } ohair@286: } ohair@286: return null; ohair@286: } ohair@286: ohair@286: /** ohair@286: * ohair@286: */ ohair@286: public Object getContent(DataSource ds) { // throws Exception; ohair@286: InputStream inputStream = null; ohair@286: BufferedImage jpegLoadImage = null; ohair@286: ohair@286: try { ohair@286: inputStream = ds.getInputStream(); ohair@286: jpegLoadImage = ImageIO.read(inputStream); ohair@286: ohair@286: } catch (Exception e) { ohair@286: } ohair@286: ohair@286: return (Image) jpegLoadImage; ohair@286: } ohair@286: ohair@286: /** ohair@286: * construct an object from a byte stream ohair@286: * (similar semantically to previous method, we are deciding ohair@286: * which one to support) ohair@286: */ ohair@286: public void writeTo(Object obj, String mimeType, OutputStream os) ohair@286: throws IOException { ohair@286: if (!mimeType.equals("image/jpeg")) ohair@286: throw new IOException( ohair@286: "Invalid content type \"" ohair@286: + mimeType ohair@286: + "\" for ImageContentHandler"); ohair@286: alanb@368: if (obj == null) { ohair@286: throw new IOException("Null object for ImageContentHandler"); ohair@286: } ohair@286: ohair@286: try { ohair@286: BufferedImage bufImage = null; ohair@286: if (obj instanceof BufferedImage) { ohair@286: bufImage = (BufferedImage) obj; ohair@286: ohair@286: } else { ohair@286: Image img = (Image) obj; ohair@286: MediaTracker tracker = new MediaTracker(this); ohair@286: tracker.addImage(img, 0); ohair@286: tracker.waitForAll(); ohair@286: if (tracker.isErrorAny()) { ohair@286: throw new IOException("Error while loading image"); ohair@286: } ohair@286: bufImage = ohair@286: new BufferedImage( ohair@286: img.getWidth(null), ohair@286: img.getHeight(null), ohair@286: BufferedImage.TYPE_INT_RGB); ohair@286: ohair@286: Graphics g = bufImage.createGraphics(); ohair@286: g.drawImage(img, 0, 0, null); ohair@286: } ohair@286: ImageIO.write(bufImage, "jpeg", os); ohair@286: ohair@286: } catch (Exception ex) { ohair@286: throw new IOException( ohair@286: "Unable to run the JPEG Encoder on a stream " ohair@286: + ex.getMessage()); ohair@286: } ohair@286: } ohair@286: }