package com.evolute.siprp.pagina;


import java.io.IOException;
import java.io.OutputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class doGetFicheiro extends siprpServlet
{	
	private static final long serialVersionUID = 1L;
	
	public doGetFicheiro(HttpServletRequest req, HttpServletResponse res, String query) throws IOException, SQLException, ClassNotFoundException
	{
		Class.forName( bdDriver );
		Connection con = DriverManager.getConnection( bdLocalUrl, bdLocalUsername, bdLocalPassword );
		res.addHeader( "Content-disposition", "attachment;filename=\"" + query + "\"" );
		res.setContentType("application/octet-stream");
		OutputStream os = res.getOutputStream();
		PreparedStatement ps = con.prepareStatement("SELECT file_data FROM fil_file where name='" + query + "'");
		ResultSet rs = ps.executeQuery();
		if(rs != null)
		{
			while(rs.next())
			{
				byte[] b = rs.getBytes(1);
				os.write(b);
			}			
		}
		os.flush();
		os.close();
	}
}