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

changeset 286
f50545b5e2f1
child 368
0989ad8c0860
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/soap/ImageDataContentHandler.java	Tue Mar 06 16:09:35 2012 -0800
     1.3 @@ -0,0 +1,171 @@
     1.4 +/*
     1.5 + * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Oracle designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Oracle in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.25 + * or visit www.oracle.com if you need additional information or have any
    1.26 + * questions.
    1.27 + */
    1.28 +
    1.29 +package com.sun.xml.internal.messaging.saaj.soap;
    1.30 +
    1.31 +import java.awt.*;
    1.32 +import java.awt.datatransfer.DataFlavor;
    1.33 +import java.awt.image.BufferedImage;
    1.34 +import java.io.*;
    1.35 +import java.util.Arrays;
    1.36 +import java.util.Iterator;
    1.37 +import java.util.logging.Level;
    1.38 +import java.util.logging.Logger;
    1.39 +
    1.40 +import javax.activation.*;
    1.41 +import javax.imageio.ImageIO;
    1.42 +import javax.imageio.ImageWriter;
    1.43 +import javax.imageio.stream.ImageOutputStream;
    1.44 +
    1.45 +import com.sun.xml.internal.messaging.saaj.util.LogDomainConstants;
    1.46 +
    1.47 +public class ImageDataContentHandler extends Component
    1.48 +    implements DataContentHandler {
    1.49 +
    1.50 +    protected static final Logger log =
    1.51 +        Logger.getLogger(LogDomainConstants.SOAP_DOMAIN,
    1.52 +                         "com.sun.xml.internal.messaging.saaj.soap.LocalStrings");
    1.53 +
    1.54 +    private DataFlavor[] flavor;
    1.55 +
    1.56 +    public ImageDataContentHandler() {
    1.57 +        String[] mimeTypes = ImageIO.getReaderMIMETypes();
    1.58 +        flavor = new DataFlavor[mimeTypes.length];
    1.59 +        for(int i=0; i < mimeTypes.length; i++) {
    1.60 +            flavor[i] = new ActivationDataFlavor(
    1.61 +                java.awt.Image.class, mimeTypes[i], "Image");
    1.62 +        }
    1.63 +    }
    1.64 +
    1.65 +    /**
    1.66 +     * Returns an array of DataFlavor objects indicating the flavors the
    1.67 +     * data can be provided in. The array should be ordered according to
    1.68 +     * preference for providing the data (from most richly descriptive to
    1.69 +     * least descriptive).
    1.70 +     *
    1.71 +     * @return The DataFlavors.
    1.72 +     */
    1.73 +    public DataFlavor[] getTransferDataFlavors() {
    1.74 +        return (DataFlavor[]) Arrays.copyOf(flavor, flavor.length);
    1.75 +    }
    1.76 +
    1.77 +    /**
    1.78 +     * Returns an object which represents the data to be transferred.
    1.79 +     * The class of the object returned is defined by the representation class
    1.80 +     * of the flavor.
    1.81 +     *
    1.82 +     * @param df The DataFlavor representing the requested type.
    1.83 +     * @param ds The DataSource representing the data to be converted.
    1.84 +     * @return The constructed Object.
    1.85 +     */
    1.86 +    public Object getTransferData(DataFlavor df, DataSource ds)
    1.87 +        throws IOException {
    1.88 +        for (int i=0; i < flavor.length; i++) {
    1.89 +            if (flavor[i].equals(df)) {
    1.90 +                return getContent(ds);
    1.91 +            }
    1.92 +        }
    1.93 +        return null;
    1.94 +    }
    1.95 +
    1.96 +    /**
    1.97 +     * Return an object representing the data in its most preferred form.
    1.98 +     * Generally this will be the form described by the first DataFlavor
    1.99 +     * returned by the <code>getTransferDataFlavors</code> method.
   1.100 +     *
   1.101 +     * @param ds The DataSource representing the data to be converted.
   1.102 +     * @return The constructed Object.
   1.103 +     */
   1.104 +    public Object getContent(DataSource ds) throws IOException {
   1.105 +        return ImageIO.read(new BufferedInputStream(ds.getInputStream()));
   1.106 +    }
   1.107 +
   1.108 +    /**
   1.109 +     * Convert the object to a byte stream of the specified MIME type
   1.110 +     * and write it to the output stream.
   1.111 +     *
   1.112 +     * @param obj   The object to be converted.
   1.113 +     * @param mimeType  The requested MIME type of the resulting byte stream.
   1.114 +     * @param os    The output stream into which to write the converted
   1.115 +     *          byte stream.
   1.116 +     */
   1.117 +
   1.118 +    public void writeTo(Object obj, String type, OutputStream os)
   1.119 +        throws IOException {
   1.120 +
   1.121 +        try {
   1.122 +            BufferedImage bufImage = null;
   1.123 +            if (obj instanceof BufferedImage) {
   1.124 +                bufImage = (BufferedImage)obj;
   1.125 +            } else if (obj instanceof Image) {
   1.126 +                bufImage = render((Image)obj);
   1.127 +            } else {
   1.128 +                log.log(Level.SEVERE,
   1.129 +                    "SAAJ0520.soap.invalid.obj.type",
   1.130 +                    new String[] { obj.getClass().toString() });
   1.131 +                throw new IOException(
   1.132 +                    "ImageDataContentHandler requires Image object, "
   1.133 +                    + "was given object of type "
   1.134 +                    + obj.getClass().toString());
   1.135 +            }
   1.136 +            ImageWriter writer = null;
   1.137 +            Iterator i = ImageIO.getImageWritersByMIMEType(type);
   1.138 +            if (i.hasNext()) {
   1.139 +                writer = (ImageWriter)i.next();
   1.140 +            }
   1.141 +            if (writer != null) {
   1.142 +                ImageOutputStream stream = null;
   1.143 +                stream = ImageIO.createImageOutputStream(os);
   1.144 +                writer.setOutput(stream);
   1.145 +                writer.write(bufImage);
   1.146 +                writer.dispose();
   1.147 +                stream.close();
   1.148 +            } else {
   1.149 +                log.log(Level.SEVERE, "SAAJ0526.soap.unsupported.mime.type",
   1.150 +                    new String[] { type });
   1.151 +                throw new IOException("Unsupported mime type:"+ type);
   1.152 +            }
   1.153 +        } catch (Exception e) {
   1.154 +            log.severe("SAAJ0525.soap.cannot.encode.img");
   1.155 +            throw new IOException("Unable to encode the image to a stream "
   1.156 +                + e.getMessage());
   1.157 +        }
   1.158 +    }
   1.159 +
   1.160 +
   1.161 +    private BufferedImage render(Image img) throws InterruptedException {
   1.162 +
   1.163 +        MediaTracker tracker = new MediaTracker(this);
   1.164 +        tracker.addImage(img, 0);
   1.165 +        tracker.waitForAll();
   1.166 +        BufferedImage bufImage = new BufferedImage(img.getWidth(null),
   1.167 +            img.getHeight(null), BufferedImage.TYPE_INT_RGB);
   1.168 +        Graphics g = bufImage.createGraphics();
   1.169 +        g.drawImage(img, 0, 0, null);
   1.170 +        g.dispose();
   1.171 +        return bufImage;
   1.172 +    }
   1.173 +
   1.174 +}

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