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

The constructor.

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

 public DataContentHandler getDCH() 
{
        return dch;
}

Return the DataContentHandler for this object. Used only by the DataHandler class.

 public Object getTransferData(DataFlavor df,
    DataSource ds) throws UnsupportedFlavorException, IOException 
{
        if (dch != null)
            return dch.getTransferData(df, ds);
        else if (df.equals(getTransferDataFlavors()[0])) // only have one now
            return obj;
        else
            throw new UnsupportedFlavorException(df);
}

Return the Transfer Data of type DataFlavor from InputStream.

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

Return the DataFlavors for this DataContentHandler.

 public  void writeTo(Object obj,
    String mimeType,
    OutputStream os) throws IOException 
{
        if (dch != null)
            dch.writeTo(obj, mimeType, os);
        else if (obj instanceof byte[])
            os.write((byte[])obj);
        else if (obj instanceof String) {
            OutputStreamWriter osw = new OutputStreamWriter(os);
            osw.write((String)obj);
            osw.flush();
        } else throw new UnsupportedDataTypeException(
                "no object DCH for MIME type " + this.mimeType);
}

Write the object to the output stream.