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src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/soap/ImageDataContentHandler.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/soap/ImageDataContentHandler.java

Thu, 31 Aug 2017 15:18:52 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:18:52 +0800

changeset 637

9c07ef4934dd

parent 368

0989ad8c0860

parent 0

373ffda63c9a

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25
aoqi@0	26	package com.sun.xml.internal.messaging.saaj.soap;
aoqi@0	27
aoqi@0	28	import java.awt.*;
aoqi@0	29	import java.awt.datatransfer.DataFlavor;
aoqi@0	30	import java.awt.image.BufferedImage;
aoqi@0	31	import java.io.*;
aoqi@0	32	import java.util.Arrays;
aoqi@0	33	import java.util.Iterator;
aoqi@0	34	import java.util.logging.Level;
aoqi@0	35	import java.util.logging.Logger;
aoqi@0	36
aoqi@0	37	import javax.activation.*;
aoqi@0	38	import javax.imageio.ImageIO;
aoqi@0	39	import javax.imageio.ImageWriter;
aoqi@0	40	import javax.imageio.stream.ImageOutputStream;
aoqi@0	41
aoqi@0	42	import com.sun.xml.internal.messaging.saaj.util.LogDomainConstants;
aoqi@0	43
aoqi@0	44	public class ImageDataContentHandler extends Component
aoqi@0	45	implements DataContentHandler {
aoqi@0	46
aoqi@0	47	protected static final Logger log =
aoqi@0	48	Logger.getLogger(LogDomainConstants.SOAP_DOMAIN,
aoqi@0	49	"com.sun.xml.internal.messaging.saaj.soap.LocalStrings");
aoqi@0	50
aoqi@0	51	private DataFlavor[] flavor;
aoqi@0	52
aoqi@0	53	public ImageDataContentHandler() {
aoqi@0	54	String[] mimeTypes = ImageIO.getReaderMIMETypes();
aoqi@0	55	flavor = new DataFlavor[mimeTypes.length];
aoqi@0	56	for(int i=0; i < mimeTypes.length; i++) {
aoqi@0	57	flavor[i] = new ActivationDataFlavor(
aoqi@0	58	java.awt.Image.class, mimeTypes[i], "Image");
aoqi@0	59	}
aoqi@0	60	}
aoqi@0	61
aoqi@0	62	/**
aoqi@0	63	* Returns an array of DataFlavor objects indicating the flavors the
aoqi@0	64	* data can be provided in. The array should be ordered according to
aoqi@0	65	* preference for providing the data (from most richly descriptive to
aoqi@0	66	* least descriptive).
aoqi@0	67	*
aoqi@0	68	* @return The DataFlavors.
aoqi@0	69	*/
aoqi@0	70	public DataFlavor[] getTransferDataFlavors() {
aoqi@0	71	return (DataFlavor[]) Arrays.copyOf(flavor, flavor.length);
aoqi@0	72	}
aoqi@0	73
aoqi@0	74	/**
aoqi@0	75	* Returns an object which represents the data to be transferred.
aoqi@0	76	* The class of the object returned is defined by the representation class
aoqi@0	77	* of the flavor.
aoqi@0	78	*
aoqi@0	79	* @param df The DataFlavor representing the requested type.
aoqi@0	80	* @param ds The DataSource representing the data to be converted.
aoqi@0	81	* @return The constructed Object.
aoqi@0	82	*/
aoqi@0	83	public Object getTransferData(DataFlavor df, DataSource ds)
aoqi@0	84	throws IOException {
aoqi@0	85	for (int i=0; i < flavor.length; i++) {
aoqi@0	86	if (flavor[i].equals(df)) {
aoqi@0	87	return getContent(ds);
aoqi@0	88	}
aoqi@0	89	}
aoqi@0	90	return null;
aoqi@0	91	}
aoqi@0	92
aoqi@0	93	/**
aoqi@0	94	* Return an object representing the data in its most preferred form.
aoqi@0	95	* Generally this will be the form described by the first DataFlavor
aoqi@0	96	* returned by the <code>getTransferDataFlavors</code> method.
aoqi@0	97	*
aoqi@0	98	* @param ds The DataSource representing the data to be converted.
aoqi@0	99	* @return The constructed Object.
aoqi@0	100	*/
aoqi@0	101	public Object getContent(DataSource ds) throws IOException {
aoqi@0	102	return ImageIO.read(new BufferedInputStream(ds.getInputStream()));
aoqi@0	103	}
aoqi@0	104
aoqi@0	105	/**
aoqi@0	106	* Convert the object to a byte stream of the specified MIME type
aoqi@0	107	* and write it to the output stream.
aoqi@0	108	*
aoqi@0	109	* @param obj The object to be converted.
aoqi@0	110	* @param mimeType The requested MIME type of the resulting byte stream.
aoqi@0	111	* @param os The output stream into which to write the converted
aoqi@0	112	* byte stream.
aoqi@0	113	*/
aoqi@0	114
aoqi@0	115	public void writeTo(Object obj, String type, OutputStream os)
aoqi@0	116	throws IOException {
aoqi@0	117
aoqi@0	118	try {
aoqi@0	119	BufferedImage bufImage = null;
aoqi@0	120	if (obj instanceof BufferedImage) {
aoqi@0	121	bufImage = (BufferedImage)obj;
aoqi@0	122	} else if (obj instanceof Image) {
aoqi@0	123	bufImage = render((Image)obj);
aoqi@0	124	} else {
aoqi@0	125	log.log(Level.SEVERE,
aoqi@0	126	"SAAJ0520.soap.invalid.obj.type",
aoqi@0	127	new String[] { obj.getClass().toString() });
aoqi@0	128	throw new IOException(
aoqi@0	129	"ImageDataContentHandler requires Image object, "
aoqi@0	130	+ "was given object of type "
aoqi@0	131	+ obj.getClass().toString());
aoqi@0	132	}
aoqi@0	133	ImageWriter writer = null;
aoqi@0	134	Iterator i = ImageIO.getImageWritersByMIMEType(type);
aoqi@0	135	if (i.hasNext()) {
aoqi@0	136	writer = (ImageWriter)i.next();
aoqi@0	137	}
aoqi@0	138	if (writer != null) {
aoqi@0	139	ImageOutputStream stream = null;
aoqi@0	140	stream = ImageIO.createImageOutputStream(os);
aoqi@0	141	writer.setOutput(stream);
aoqi@0	142	writer.write(bufImage);
aoqi@0	143	writer.dispose();
aoqi@0	144	stream.close();
aoqi@0	145	} else {
aoqi@0	146	log.log(Level.SEVERE, "SAAJ0526.soap.unsupported.mime.type",
aoqi@0	147	new String[] { type });
aoqi@0	148	throw new IOException("Unsupported mime type:"+ type);
aoqi@0	149	}
aoqi@0	150	} catch (Exception e) {
aoqi@0	151	log.severe("SAAJ0525.soap.cannot.encode.img");
aoqi@0	152	throw new IOException("Unable to encode the image to a stream "
aoqi@0	153	+ e.getMessage());
aoqi@0	154	}
aoqi@0	155	}
aoqi@0	156
aoqi@0	157
aoqi@0	158	private BufferedImage render(Image img) throws InterruptedException {
aoqi@0	159
aoqi@0	160	MediaTracker tracker = new MediaTracker(this);
aoqi@0	161	tracker.addImage(img, 0);
aoqi@0	162	tracker.waitForAll();
aoqi@0	163	BufferedImage bufImage = new BufferedImage(img.getWidth(null),
aoqi@0	164	img.getHeight(null), BufferedImage.TYPE_INT_RGB);
aoqi@0	165	Graphics g = bufImage.createGraphics();
aoqi@0	166	g.drawImage(img, 0, 0, null);
aoqi@0	167	g.dispose();
aoqi@0	168	return bufImage;
aoqi@0	169	}
aoqi@0	170
aoqi@0	171	}