public ObjectDataContentHandler(DataContentHandler dch,
    Object object,
    String mimeType) 
{
        this.dch = dch;
        this.object = object;
        this.mimeType = mimeType;
}

 public Object getContent(DataSource ds) 
{
        return object;
}

 public DataContentHandler getDCH() 
{
        return dch;
}

 public Object getTransferData(DataFlavor flavor,
    DataSource ds) throws IOException, UnsupportedFlavorException 
{
        if (dch != null)
            return dch.getTransferData(flavor, ds);
        if (flavors == null)
            getTransferDataFlavors();
        if (flavor.equals(flavors[0]))
            return object;
        throw new UnsupportedFlavorException(flavor);
}

 public DataFlavor[] getTransferDataFlavors() 
{
        if (flavors == null)
        {
            if (dch != null)
                flavors = dch.getTransferDataFlavors();
            else
            {
                flavors = new DataFlavor[1];
                flavors[0] = new ActivationDataFlavor(object.getClass(),
                        mimeType, mimeType);
            }
        }
        return flavors;
}

 public  void writeTo(Object object,
    String mimeType,
    OutputStream out) throws IOException 
{
        if (dch != null)
            dch.writeTo(object, mimeType, out);
        else
            throw new UnsupportedDataTypeException("no object DCH for MIME type " + mimeType);
}