ohair@286: /*
alanb@368:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
ohair@286:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286:  *
ohair@286:  * This code is free software; you can redistribute it and/or modify it
ohair@286:  * under the terms of the GNU General Public License version 2 only, as
ohair@286:  * published by the Free Software Foundation.  Oracle designates this
ohair@286:  * particular file as subject to the "Classpath" exception as provided
ohair@286:  * by Oracle in the LICENSE file that accompanied this code.
ohair@286:  *
ohair@286:  * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ohair@286:  * version 2 for more details (a copy is included in the LICENSE file that
ohair@286:  * accompanied this code).
ohair@286:  *
ohair@286:  * You should have received a copy of the GNU General Public License version
ohair@286:  * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286:  *
ohair@286:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286:  * or visit www.oracle.com if you need additional information or have any
ohair@286:  * questions.
ohair@286:  */
ohair@286: 
ohair@286: package com.sun.xml.internal.messaging.saaj.soap;
ohair@286: 
ohair@286: import java.awt.datatransfer.DataFlavor;
ohair@286: import java.io.IOException;
ohair@286: import java.io.OutputStream;
ohair@286: import java.io.InputStream;
ohair@286: 
ohair@286: import javax.activation.*;
ohair@286: import javax.xml.transform.Source;
ohair@286: 
ohair@286: import com.sun.xml.internal.messaging.saaj.util.FastInfosetReflection;
ohair@286: 
ohair@286: /**
ohair@286:  * JAF data handler for Fast Infoset content
ohair@286:  *
ohair@286:  * @author Santiago Pericas-Geertsen
ohair@286:  */
ohair@286: public class FastInfosetDataContentHandler implements DataContentHandler {
alanb@368:     public static final String STR_SRC = "com.sun.xml.internal.org.jvnet.fastinfoset.FastInfosetSource";
ohair@286: 
ohair@286:     public FastInfosetDataContentHandler() {
ohair@286:     }
ohair@286: 
ohair@286:     /**
ohair@286:      * return the DataFlavors for this <code>DataContentHandler</code>
ohair@286:      * @return The DataFlavors.
ohair@286:      */
ohair@286:     public DataFlavor[] getTransferDataFlavors() { // throws Exception;
ohair@286:         DataFlavor flavors[] = new DataFlavor[1];
ohair@286:         flavors[0] = new ActivationDataFlavor(
ohair@286:                 FastInfosetReflection.getFastInfosetSource_class(),
ohair@286:                 "application/fastinfoset", "Fast Infoset");
ohair@286:         return flavors;
ohair@286:     }
ohair@286: 
ohair@286:     /**
ohair@286:      * return the Transfer Data of type DataFlavor from InputStream
ohair@286:      * @param df The DataFlavor.
ohair@286:      * @param ins The InputStream corresponding to the data.
ohair@286:      * @return The constructed Object.
ohair@286:      */
ohair@286:     public Object getTransferData(DataFlavor flavor, DataSource dataSource)
ohair@286:         throws IOException
ohair@286:     {
ohair@286:         if (flavor.getMimeType().startsWith("application/fastinfoset")) {
ohair@286:             try {
ohair@286:                 if (flavor.getRepresentationClass().getName().equals(STR_SRC)) {
ohair@286:                     return FastInfosetReflection.FastInfosetSource_new(
ohair@286:                         dataSource.getInputStream());
ohair@286:                 }
ohair@286:             }
ohair@286:             catch (Exception e) {
ohair@286:                 throw new IOException(e.getMessage());
ohair@286:             }
ohair@286:         }
ohair@286:         return null;
ohair@286:     }
ohair@286: 
ohair@286:     public Object getContent(DataSource dataSource) throws IOException {
ohair@286:         try {
ohair@286:             return FastInfosetReflection.FastInfosetSource_new(
ohair@286:                 dataSource.getInputStream());
ohair@286:         }
ohair@286:         catch (Exception e) {
ohair@286:             throw new IOException(e.getMessage());
ohair@286:         }
ohair@286:     }
ohair@286: 
ohair@286:     /**
ohair@286:      * construct an object from a byte stream
ohair@286:      * (similar semantically to previous method, we are deciding
ohair@286:      *  which one to support)
ohair@286:      */
ohair@286:     public void writeTo(Object obj, String mimeType, OutputStream os)
ohair@286:         throws IOException
ohair@286:     {
ohair@286:         if (!mimeType.equals("application/fastinfoset")) {
ohair@286:             throw new IOException("Invalid content type \"" + mimeType
ohair@286:                 + "\" for FastInfosetDCH");
ohair@286:         }
ohair@286: 
ohair@286:         try {
ohair@286:             InputStream is = FastInfosetReflection.FastInfosetSource_getInputStream(
ohair@286:                 (Source) obj);
ohair@286: 
ohair@286:             int n; byte[] buffer = new byte[4096];
ohair@286:             while ((n = is.read(buffer)) != -1) {
ohair@286:                 os.write(buffer, 0, n);
ohair@286:             }
ohair@286:         }
ohair@286:         catch (Exception ex) {
ohair@286:             throw new IOException(
ohair@286:                 "Error copying FI source to output stream " + ex.getMessage());
ohair@286:         }
ohair@286:     }
ohair@286: }