public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
String fName = req.getParameter("fName");
String lName = req.getParameter("lName");
String party = req.getParameter("party");
String area = req.getParameter("area");
Connection c = null;
try {
DriverManager.registerDriver(new AppEngineDriver());
c =
DriverManager.getConnection(
"jdbc:google:rdbms://netivalimised2013:netivalimised/evalimised");
String statement;
if ((fName.equals("") || fName == null)
&& (lName.equals("") || lName == null)
&& (party.equals("") || party == null)
&& (area.equals("") || area == null)) {
System.out.println("Getting all candidates");
statement =
"SELECT Person.FirstName, Person.LastName, Party.PartyName, Area.AreaName "
+ "FROM Person JOIN Party ON Person.PartyID = Party.Party_Id JOIN Area ON Person.AreaID = Area.Area_Id";
} else statement = createQuery(fName, lName, party, area);
PreparedStatement stmt = c.prepareStatement(statement);
ResultSet rs = stmt.executeQuery();
String jsonData = createJSON(rs, party, area);
resp.setContentType("application/json");
resp.setCharacterEncoding("UTF-8");
resp.getWriter().write(jsonData);
} catch (SQLException e) {
e.printStackTrace();
} finally {
if (c != null) {
try {
c.close();
} catch (SQLException ignore) {
}
}
}
// resp.setHeader("Refresh","3; url=/evalimised.jsp");
}
