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torben |
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package com.grundfos.gmatou.dataupload;
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import java.io.IOException;
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import java.sql.Connection;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.sql.*;
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public class ViewFile extends HttpServlet {
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private static final long serialVersionUID = 1L;
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public ViewFile() {
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super();
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}
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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String strId = request.getParameter("id");
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int id = Integer.parseInt(strId);
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try
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{
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Connection conn = DBConnection.getDbConnection();
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PreparedStatement stmt = conn.prepareStatement("SELECT data FROM dataentries WHERE ID = ?");
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stmt.setInt(1, id);
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ResultSet rs = stmt.executeQuery();
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String data = " -- no data found with id=" + id;
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while (rs.next())
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data = rs.getString(1);
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rs.close();
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stmt.close();
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conn.close();
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response.setContentType("text/plain");
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response.getWriter().print(data);
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} catch (Exception e) {
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throw new ServletException(e);
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}
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}
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}
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