Kelly O'Hair | bc113af | 2012-03-06 16:09:35 -0800 | [diff] [blame] | 1 | /* |
Roman Grigoriadi | 1496772 | 2017-02-16 13:14:39 +0300 | [diff] [blame] | 2 | * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. |
Kelly O'Hair | bc113af | 2012-03-06 16:09:35 -0800 | [diff] [blame] | 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 | import java.util.Arrays; |
| 33 | import java.util.Iterator; |
| 34 | import java.util.logging.Level; |
| 35 | import java.util.logging.Logger; |
| 36 | |
| 37 | import javax.activation.*; |
| 38 | import javax.imageio.ImageIO; |
| 39 | import javax.imageio.ImageWriter; |
| 40 | import javax.imageio.stream.ImageOutputStream; |
| 41 | |
| 42 | import com.sun.xml.internal.messaging.saaj.util.LogDomainConstants; |
| 43 | |
| 44 | public class ImageDataContentHandler extends Component |
| 45 | implements DataContentHandler { |
| 46 | |
| 47 | protected static final Logger log = |
| 48 | Logger.getLogger(LogDomainConstants.SOAP_DOMAIN, |
| 49 | "com.sun.xml.internal.messaging.saaj.soap.LocalStrings"); |
| 50 | |
| 51 | private DataFlavor[] flavor; |
| 52 | |
| 53 | public ImageDataContentHandler() { |
| 54 | String[] mimeTypes = ImageIO.getReaderMIMETypes(); |
| 55 | flavor = new DataFlavor[mimeTypes.length]; |
| 56 | for(int i=0; i < mimeTypes.length; i++) { |
| 57 | flavor[i] = new ActivationDataFlavor( |
| 58 | java.awt.Image.class, mimeTypes[i], "Image"); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Returns an array of DataFlavor objects indicating the flavors the |
| 64 | * data can be provided in. The array should be ordered according to |
| 65 | * preference for providing the data (from most richly descriptive to |
| 66 | * least descriptive). |
| 67 | * |
| 68 | * @return The DataFlavors. |
| 69 | */ |
Roman Grigoriadi | 1496772 | 2017-02-16 13:14:39 +0300 | [diff] [blame] | 70 | @Override |
Kelly O'Hair | bc113af | 2012-03-06 16:09:35 -0800 | [diff] [blame] | 71 | public DataFlavor[] getTransferDataFlavors() { |
Roman Grigoriadi | 1496772 | 2017-02-16 13:14:39 +0300 | [diff] [blame] | 72 | return Arrays.copyOf(flavor, flavor.length); |
Kelly O'Hair | bc113af | 2012-03-06 16:09:35 -0800 | [diff] [blame] | 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Returns an object which represents the data to be transferred. |
| 77 | * The class of the object returned is defined by the representation class |
| 78 | * of the flavor. |
| 79 | * |
| 80 | * @param df The DataFlavor representing the requested type. |
| 81 | * @param ds The DataSource representing the data to be converted. |
| 82 | * @return The constructed Object. |
| 83 | */ |
Roman Grigoriadi | 1496772 | 2017-02-16 13:14:39 +0300 | [diff] [blame] | 84 | @Override |
Kelly O'Hair | bc113af | 2012-03-06 16:09:35 -0800 | [diff] [blame] | 85 | public Object getTransferData(DataFlavor df, DataSource ds) |
| 86 | throws IOException { |
| 87 | for (int i=0; i < flavor.length; i++) { |
| 88 | if (flavor[i].equals(df)) { |
| 89 | return getContent(ds); |
| 90 | } |
| 91 | } |
| 92 | return null; |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Return an object representing the data in its most preferred form. |
| 97 | * Generally this will be the form described by the first DataFlavor |
| 98 | * returned by the <code>getTransferDataFlavors</code> method. |
| 99 | * |
| 100 | * @param ds The DataSource representing the data to be converted. |
| 101 | * @return The constructed Object. |
| 102 | */ |
Roman Grigoriadi | 1496772 | 2017-02-16 13:14:39 +0300 | [diff] [blame] | 103 | @Override |
Kelly O'Hair | bc113af | 2012-03-06 16:09:35 -0800 | [diff] [blame] | 104 | public Object getContent(DataSource ds) throws IOException { |
| 105 | return ImageIO.read(new BufferedInputStream(ds.getInputStream())); |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Convert the object to a byte stream of the specified MIME type |
| 110 | * and write it to the output stream. |
| 111 | * |
| 112 | * @param obj The object to be converted. |
Roman Grigoriadi | 1496772 | 2017-02-16 13:14:39 +0300 | [diff] [blame] | 113 | * @param type The requested MIME type of the resulting byte stream. |
Kelly O'Hair | bc113af | 2012-03-06 16:09:35 -0800 | [diff] [blame] | 114 | * @param os The output stream into which to write the converted |
| 115 | * byte stream. |
| 116 | */ |
Roman Grigoriadi | 1496772 | 2017-02-16 13:14:39 +0300 | [diff] [blame] | 117 | @Override |
Kelly O'Hair | bc113af | 2012-03-06 16:09:35 -0800 | [diff] [blame] | 118 | public void writeTo(Object obj, String type, OutputStream os) |
| 119 | throws IOException { |
| 120 | |
| 121 | try { |
| 122 | BufferedImage bufImage = null; |
| 123 | if (obj instanceof BufferedImage) { |
| 124 | bufImage = (BufferedImage)obj; |
| 125 | } else if (obj instanceof Image) { |
| 126 | bufImage = render((Image)obj); |
| 127 | } else { |
| 128 | log.log(Level.SEVERE, |
| 129 | "SAAJ0520.soap.invalid.obj.type", |
| 130 | new String[] { obj.getClass().toString() }); |
| 131 | throw new IOException( |
| 132 | "ImageDataContentHandler requires Image object, " |
| 133 | + "was given object of type " |
| 134 | + obj.getClass().toString()); |
| 135 | } |
| 136 | ImageWriter writer = null; |
Miroslav Kos | 096249e | 2015-10-30 10:34:46 +0100 | [diff] [blame] | 137 | Iterator<ImageWriter> i = ImageIO.getImageWritersByMIMEType(type); |
Kelly O'Hair | bc113af | 2012-03-06 16:09:35 -0800 | [diff] [blame] | 138 | if (i.hasNext()) { |
Miroslav Kos | 096249e | 2015-10-30 10:34:46 +0100 | [diff] [blame] | 139 | writer = i.next(); |
Kelly O'Hair | bc113af | 2012-03-06 16:09:35 -0800 | [diff] [blame] | 140 | } |
| 141 | if (writer != null) { |
| 142 | ImageOutputStream stream = null; |
| 143 | stream = ImageIO.createImageOutputStream(os); |
| 144 | writer.setOutput(stream); |
| 145 | writer.write(bufImage); |
| 146 | writer.dispose(); |
| 147 | stream.close(); |
| 148 | } else { |
| 149 | log.log(Level.SEVERE, "SAAJ0526.soap.unsupported.mime.type", |
| 150 | new String[] { type }); |
| 151 | throw new IOException("Unsupported mime type:"+ type); |
| 152 | } |
| 153 | } catch (Exception e) { |
| 154 | log.severe("SAAJ0525.soap.cannot.encode.img"); |
| 155 | throw new IOException("Unable to encode the image to a stream " |
| 156 | + e.getMessage()); |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | |
| 161 | private BufferedImage render(Image img) throws InterruptedException { |
| 162 | |
| 163 | MediaTracker tracker = new MediaTracker(this); |
| 164 | tracker.addImage(img, 0); |
| 165 | tracker.waitForAll(); |
| 166 | BufferedImage bufImage = new BufferedImage(img.getWidth(null), |
| 167 | img.getHeight(null), BufferedImage.TYPE_INT_RGB); |
| 168 | Graphics g = bufImage.createGraphics(); |
| 169 | g.drawImage(img, 0, 0, null); |
| 170 | g.dispose(); |
| 171 | return bufImage; |
| 172 | } |
| 173 | |
| 174 | } |