com.hfg.printer.RawPrinter Maven / Gradle / Ivy

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com.hfg xml, html, svg, and bioinformatics utility library
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package com.hfg.printer;

import com.hfg.util.io.StreamUtil;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;

//------------------------------------------------------------------------------
/**
 Generic raw network printer interface.
 
 @author J. Alex Taylor, hairyfatguy.com
 
 */
//------------------------------------------------------------------------------
// com.hfg XML/HTML Coding Library
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// J. Alex Taylor, President, Founder, CEO, COO, CFO, OOPS hairyfatguy.com
// [email protected]
//------------------------------------------------------------------------------

public interface RawPrinter
{
    public static final int DEFAULT_TCP_IP_PORT = 9100;

    public String name();


    //--------------------------------------------------------------------------
    public default boolean printDocument(PrintDocument inDoc)
            throws IOException
    {
        // Open a connection to the printer
        Socket socket = new Socket(name(), DEFAULT_TCP_IP_PORT);

        // Write the document content to the printer
        OutputStream outputStream = socket.getOutputStream();
        inDoc.write(outputStream);
        outputStream.flush();
        // Close the connection to the printer
        socket.close();

        return true;
    }


    //--------------------------------------------------------------------------
    public default String[] executeCmd(PrinterCmd inCmd)
            throws IOException
    {
        // Open a connection to the printer
        Socket socket = new Socket(name(), DEFAULT_TCP_IP_PORT);
        InputStream responseStream = socket.getInputStream();

        // Write the command content to the printer
        OutputStream outputStream = socket.getOutputStream();
        inCmd.write(outputStream);
        outputStream.flush();

        // Read the response from the printer
        String[] response = StreamUtil.readSTX_ETX_Packets(responseStream);

        // Close the connection to the printer
        socket.close();

        return response;
    }
}