325N/A/*
325N/A * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
325N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
325N/A *
325N/A * This code is free software; you can redistribute it and/or modify it
325N/A * under the terms of the GNU General Public License version 2 only, as
325N/A * published by the Free Software Foundation. Oracle designates this
325N/A * particular file as subject to the "Classpath" exception as provided
325N/A * by Oracle in the LICENSE file that accompanied this code.
325N/A *
325N/A * This code is distributed in the hope that it will be useful, but WITHOUT
325N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
325N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
325N/A * version 2 for more details (a copy is included in the LICENSE file that
325N/A * accompanied this code).
325N/A *
325N/A * You should have received a copy of the GNU General Public License version
325N/A * 2 along with this work; if not, write to the Free Software Foundation,
325N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
325N/A *
325N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
325N/A * or visit www.oracle.com if you need additional information or have any
325N/A * questions.
325N/A */
325N/A
325N/Apackage com.sun.xml.internal.messaging.saaj.soap;
325N/A
325N/Aimport java.awt.datatransfer.DataFlavor;
325N/Aimport java.io.*;
325N/Aimport java.awt.*;
325N/A
325N/Aimport javax.activation.*;
325N/A
325N/A/**
325N/A * DataContentHandler for image/gif.
325N/A *
325N/A * @author Ana Lindstrom-Tamer
325N/A */
325N/Apublic class GifDataContentHandler extends Component implements DataContentHandler {
325N/A private static ActivationDataFlavor myDF =
325N/A new ActivationDataFlavor(
325N/A java.awt.Image.class,
325N/A "image/gif",
325N/A "GIF Image");
325N/A
325N/A protected ActivationDataFlavor getDF() {
325N/A return myDF;
325N/A }
325N/A
325N/A /**
325N/A * Return the DataFlavors for this <code>DataContentHandler</code>.
325N/A *
325N/A * @return The DataFlavors
325N/A */
325N/A public DataFlavor[] getTransferDataFlavors() { // throws Exception;
325N/A return new DataFlavor[] { getDF()};
325N/A }
325N/A
325N/A /**
325N/A * Return the Transfer Data of type DataFlavor from InputStream.
325N/A *
325N/A * @param df The DataFlavor
325N/A * @param ins The InputStream corresponding to the data
325N/A * @return String object
325N/A */
325N/A public Object getTransferData(DataFlavor df, DataSource ds)
325N/A throws IOException {
325N/A // use myDF.equals to be sure to get ActivationDataFlavor.equals,
325N/A // which properly ignores Content-Type parameters in comparison
325N/A if (getDF().equals(df))
325N/A return getContent(ds);
325N/A else
325N/A return null;
325N/A }
325N/A
325N/A public Object getContent(DataSource ds) throws IOException {
325N/A InputStream is = ds.getInputStream();
325N/A int pos = 0;
325N/A int count;
325N/A byte buf[] = new byte[1024];
325N/A
325N/A while ((count = is.read(buf, pos, buf.length - pos)) != -1) {
325N/A pos += count;
325N/A if (pos >= buf.length) {
325N/A int size = buf.length;
325N/A if (size < 256*1024)
325N/A size += size;
325N/A else
325N/A size += 256*1024;
325N/A byte tbuf[] = new byte[size];
325N/A System.arraycopy(buf, 0, tbuf, 0, pos);
325N/A buf = tbuf;
325N/A }
325N/A }
325N/A Toolkit tk = Toolkit.getDefaultToolkit();
325N/A return tk.createImage(buf, 0, pos);
325N/A }
325N/A
325N/A /**
325N/A * Write the object to the output stream, using the specified MIME type.
325N/A */
325N/A public void writeTo(Object obj, String type, OutputStream os)
325N/A throws IOException {
325N/A if (obj != null && !(obj instanceof Image))
325N/A throw new IOException("\"" + getDF().getMimeType() +
325N/A "\" DataContentHandler requires Image object, " +
325N/A "was given object of type " + obj.getClass().toString());
325N/A
325N/A throw new IOException(getDF().getMimeType() + " encoding not supported");
325N/A }
325N/A
325N/A
325N/A}