Mon, 04 May 2009 21:10:41 -0700
6658158: Mutable statics in SAAJ (findbugs)
6658163: txw2.DatatypeWriter.BUILDIN is a mutable static (findbugs)
Reviewed-by: darcy
1 /*
2 * Copyright 2005-2006 Sun Microsystems, Inc. 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. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25 /*
26 * $Id: ImageDataContentHandler.java,v 1.1.1.1.2.1 2007/11/27 07:19:28 kumarjayanti Exp $
27 * $Revision: 1.1.1.1.2.1 $
28 * $Date: 2007/11/27 07:19:28 $
29 */
32 package com.sun.xml.internal.messaging.saaj.soap;
34 import java.awt.*;
35 import java.awt.datatransfer.DataFlavor;
36 import java.awt.image.BufferedImage;
37 import java.io.*;
38 import java.util.Iterator;
39 import java.util.logging.Level;
40 import java.util.logging.Logger;
42 import javax.activation.*;
43 import javax.imageio.ImageIO;
44 import javax.imageio.ImageWriter;
45 import javax.imageio.stream.ImageOutputStream;
47 import com.sun.xml.internal.messaging.saaj.util.LogDomainConstants;
49 public class ImageDataContentHandler extends Component
50 implements DataContentHandler {
52 protected static final Logger log =
53 Logger.getLogger(LogDomainConstants.SOAP_DOMAIN,
54 "com.sun.xml.internal.messaging.saaj.soap.LocalStrings");
56 private DataFlavor[] flavor;
58 public ImageDataContentHandler() {
59 String[] mimeTypes = ImageIO.getReaderMIMETypes();
60 flavor = new DataFlavor[mimeTypes.length];
61 for(int i=0; i < mimeTypes.length; i++) {
62 flavor[i] = new ActivationDataFlavor(
63 java.awt.Image.class, mimeTypes[i], "Image");
64 }
65 }
67 /**
68 * Returns an array of DataFlavor objects indicating the flavors the
69 * data can be provided in. The array should be ordered according to
70 * preference for providing the data (from most richly descriptive to
71 * least descriptive).
72 *
73 * @return The DataFlavors.
74 */
75 public DataFlavor[] getTransferDataFlavors() {
76 return flavor;
77 }
79 /**
80 * Returns an object which represents the data to be transferred.
81 * The class of the object returned is defined by the representation class
82 * of the flavor.
83 *
84 * @param df The DataFlavor representing the requested type.
85 * @param ds The DataSource representing the data to be converted.
86 * @return The constructed Object.
87 */
88 public Object getTransferData(DataFlavor df, DataSource ds)
89 throws IOException {
90 for (int i=0; i < flavor.length; i++) {
91 if (flavor[i].equals(df)) {
92 return getContent(ds);
93 }
94 }
95 return null;
96 }
98 /**
99 * Return an object representing the data in its most preferred form.
100 * Generally this will be the form described by the first DataFlavor
101 * returned by the <code>getTransferDataFlavors</code> method.
102 *
103 * @param ds The DataSource representing the data to be converted.
104 * @return The constructed Object.
105 */
106 public Object getContent(DataSource ds) throws IOException {
107 return ImageIO.read(new BufferedInputStream(ds.getInputStream()));
108 }
110 /**
111 * Convert the object to a byte stream of the specified MIME type
112 * and write it to the output stream.
113 *
114 * @param obj The object to be converted.
115 * @param mimeType The requested MIME type of the resulting byte stream.
116 * @param os The output stream into which to write the converted
117 * byte stream.
118 */
120 public void writeTo(Object obj, String type, OutputStream os)
121 throws IOException {
123 try {
124 BufferedImage bufImage = null;
125 if (obj instanceof BufferedImage) {
126 bufImage = (BufferedImage)obj;
127 } else if (obj instanceof Image) {
128 bufImage = render((Image)obj);
129 } else {
130 log.log(Level.SEVERE,
131 "SAAJ0520.soap.invalid.obj.type",
132 new String[] { obj.getClass().toString() });
133 throw new IOException(
134 "ImageDataContentHandler requires Image object, "
135 + "was given object of type "
136 + obj.getClass().toString());
137 }
138 ImageWriter writer = null;
139 Iterator i = ImageIO.getImageWritersByMIMEType(type);
140 if (i.hasNext()) {
141 writer = (ImageWriter)i.next();
142 }
143 if (writer != null) {
144 ImageOutputStream stream = null;
145 stream = ImageIO.createImageOutputStream(os);
146 writer.setOutput(stream);
147 writer.write(bufImage);
148 writer.dispose();
149 stream.close();
150 } else {
151 log.log(Level.SEVERE, "SAAJ0526.soap.unsupported.mime.type",
152 new String[] { type });
153 throw new IOException("Unsupported mime type:"+ type);
154 }
155 } catch (Exception e) {
156 log.severe("SAAJ0525.soap.cannot.encode.img");
157 throw new IOException("Unable to encode the image to a stream "
158 + e.getMessage());
159 }
160 }
163 private BufferedImage render(Image img) throws InterruptedException {
165 MediaTracker tracker = new MediaTracker(this);
166 tracker.addImage(img, 0);
167 tracker.waitForAll();
168 BufferedImage bufImage = new BufferedImage(img.getWidth(null),
169 img.getHeight(null), BufferedImage.TYPE_INT_RGB);
170 Graphics g = bufImage.createGraphics();
171 g.drawImage(img, 0, 0, null);
172 g.dispose();
173 return bufImage;
174 }
176 }