1 /* 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.xml.internal.messaging.saaj.soap; 27 28 import java.awt.*; 29 import java.awt.datatransfer.DataFlavor; 30 import java.awt.image.BufferedImage; 31 import java.io.*; 32 33 import javax.activation.*; 34 35 //import com.sun.image.codec.jpeg.*; 36 import javax.imageio.ImageIO; 37 38 /** 39 * JAF data handler for Jpeg content 40 * 41 * @author Ana Lindstrom-Tamer 42 */ 43 44 public class JpegDataContentHandler 45 extends Component 46 implements DataContentHandler { 47 public static final String STR_SRC = "java.awt.Image"; 48 49 /** 50 * return the DataFlavors for this <code>DataContentHandler</code> 51 * @return The DataFlavors. 52 */ 53 public DataFlavor[] getTransferDataFlavors() { // throws Exception; 54 DataFlavor flavors[] = new DataFlavor[1]; 55 56 try { 57 flavors[0] = 58 new ActivationDataFlavor( 59 Class.forName(STR_SRC), 60 "image/jpeg", 61 "JPEG"); 62 } catch (Exception e) { 63 System.out.println(e); 64 } 65 66 return flavors; 67 } 68 69 /** 70 * return the Transfer Data of type DataFlavor from InputStream 71 * @param df The DataFlavor. 72 * @param ins The InputStream corresponding to the data. 73 * @return The constructed Object. 74 */ 75 public Object getTransferData(DataFlavor df, DataSource ds) { 76 77 // this is sort of hacky, but will work for the 78 // sake of testing... 79 if (df.getMimeType().startsWith("image/jpeg")) { 80 if (df.getRepresentationClass().getName().equals(STR_SRC)) { 81 InputStream inputStream = null; 82 BufferedImage jpegLoadImage = null; 83 84 try { 85 inputStream = ds.getInputStream(); 86 jpegLoadImage = ImageIO.read(inputStream); 87 88 } catch (Exception e) { 89 System.out.println(e); 90 } 91 92 return jpegLoadImage; 93 } 94 } 95 return null; 96 } 97 98 /** 99 * 100 */ 101 public Object getContent(DataSource ds) { // throws Exception; 102 InputStream inputStream = null; 103 BufferedImage jpegLoadImage = null; 104 105 try { 106 inputStream = ds.getInputStream(); 107 jpegLoadImage = ImageIO.read(inputStream); 108 109 } catch (Exception e) { 110 } 111 112 return (Image) jpegLoadImage; 113 } 114 115 /** 116 * construct an object from a byte stream 117 * (similar semantically to previous method, we are deciding 118 * which one to support) 119 */ 120 public void writeTo(Object obj, String mimeType, OutputStream os) 121 throws IOException { 122 if (!mimeType.equals("image/jpeg")) 123 throw new IOException( 124 "Invalid content type \"" 125 + mimeType 126 + "\" for ImageContentHandler"); 127 128 if (obj == null) { 129 throw new IOException("Null object for ImageContentHandler"); 130 } 131 132 try { 133 BufferedImage bufImage = null; 134 if (obj instanceof BufferedImage) { 135 bufImage = (BufferedImage) obj; 136 137 } else { 138 Image img = (Image) obj; 139 MediaTracker tracker = new MediaTracker(this); 140 tracker.addImage(img, 0); 141 tracker.waitForAll(); 142 if (tracker.isErrorAny()) { 143 throw new IOException("Error while loading image"); 144 } 145 bufImage = 146 new BufferedImage( 147 img.getWidth(null), 148 img.getHeight(null), 149 BufferedImage.TYPE_INT_RGB); 150 151 Graphics g = bufImage.createGraphics(); 152 g.drawImage(img, 0, 0, null); 153 } 154 ImageIO.write(bufImage, "jpeg", os); 155 156 } catch (Exception ex) { 157 throw new IOException( 158 "Unable to run the JPEG Encoder on a stream " 159 + ex.getMessage()); 160 } 161 } 162 }