daoadresseservice/db/DbConnectionProbe.java

package dk.daoas.daoadresseservice.db;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@WebServlet("/DbConnectionProbe")
public class DbConnectionProbe extends HttpServlet {
        private static final long serialVersionUID = 1L;
       
    public DbConnectionProbe() {
        super();
        // TODO Auto-generated constructor stub
    }


        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                response.setContentType("text/html");
                PrintWriter out = response.getWriter();
                
                //out.print("<html><head><title>DaoAdresseService</title></head><body>");
                //out.print("<h2>DaoAdresseService</h2>");
                
                try (
                        Connection conn = DBConnection.getConnection(); 
                        Statement stmt = conn.createStatement()
                        ) {
                        
                        out.print("Got DB Connection<br>");
                        
                        try (ResultSet res = stmt.executeQuery("SELECT 1") ) {
                                res.next();
                                int i = res.getInt(1);
                                if (i == 1) {
                                        out.print("'SELECT 1' query ok");
                                } else{
                                        out.print("'SELECT 1' returned unexpected result : " + i);
                                }
                        }
                        
                        
                } catch (SQLException e)  {
                        out.print("DB Connection failed: " + e.getMessage());
                }
                
                
        }

}
1	torben	2267	package dk.daoas.daoadresseservice.db;
2
3			import java.io.IOException;
4			import java.io.PrintWriter;
5			import java.sql.Connection;
6	torben	2614	import java.sql.ResultSet;
7	torben	2267	import java.sql.SQLException;
8	torben	2356	import java.sql.Statement;
9	torben	2267
10			import javax.servlet.ServletException;
11			import javax.servlet.annotation.WebServlet;
12			import javax.servlet.http.HttpServlet;
13			import javax.servlet.http.HttpServletRequest;
14			import javax.servlet.http.HttpServletResponse;
15
16
17	torben	2269	@WebServlet("/DbConnectionProbe")
18			public class DbConnectionProbe extends HttpServlet {
19	torben	2267	private static final long serialVersionUID = 1L;
20
21	torben	2269	public DbConnectionProbe() {
22	torben	2267	super();
23			// TODO Auto-generated constructor stub
24			}
25
26	torben	2614
27	torben	2267	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
28			response.setContentType("text/html");
29			PrintWriter out = response.getWriter();
30
31	torben	2377	//out.print("<html><head><title>DaoAdresseService</title></head><body>");
32			//out.print("<h2>DaoAdresseService</h2>");
33	torben	2356
34			try (
35			Connection conn = DBConnection.getConnection();
36			Statement stmt = conn.createStatement()
37			) {
38
39	torben	2357	out.print("Got DB Connection<br>");
40	torben	2356
41	torben	2614	try (ResultSet res = stmt.executeQuery("SELECT 1") ) {
42	torben	2628	res.next();
43			int i = res.getInt(1);
44			if (i == 1) {
45			out.print("'SELECT 1' query ok");
46			} else{
47			out.print("'SELECT 1' returned unexpected result : " + i);
48			}
49	torben	2614	}
50	torben	2267
51	torben	2357
52	torben	2267	} catch (SQLException e) {
53			out.print("DB Connection failed: " + e.getMessage());
54			}
55
56
57			}
58
59			}