circuitbreaker/web/ActionCommand.java

package dk.thoerup.curcuitbreaker.web;

import java.io.IOException;
import java.net.URLEncoder;

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

import dk.thoerup.curcuitbreaker.AccountingCircuitBreaker;
import dk.thoerup.curcuitbreaker.CircuitBreaker;
import dk.thoerup.curcuitbreaker.CircuitBreakerManager;

public class ActionCommand implements Command {
        
        private boolean readOnly;
        
        public ActionCommand(boolean readOnly) {
                this.readOnly = readOnly;
        }

        public String execute(HttpServletRequest req, HttpServletResponse resp) {
                String action = req.getParameter("action");
                String breaker = req.getParameter("breaker");
                
                CircuitBreaker cb = CircuitBreakerManager.getManager().getCircuitBreaker(breaker);
                
                if (readOnly == false) {
                        if (action.equalsIgnoreCase("reset"))
                                cb.reset();
                        
                        if (action.equalsIgnoreCase("tripbreaker"))
                                cb.tripBreaker();
                        
                        if (action.equalsIgnoreCase("resetcounters")) {
                                AccountingCircuitBreaker acb = (AccountingCircuitBreaker) cb;
                                acb.resetCounters();
                        }
                }
                
                try {           
                        String uri = req.getRequestURI() + "?command=view&breaker=" + URLEncoder.encode(breaker, "UTF-8");
                
                        resp.sendRedirect( uri );
                } catch(IOException e) {
                        // what should be done here ?
                } 
                return "";
        }

}
1	package dk.thoerup.curcuitbreaker.web;
2
3	import java.io.IOException;
4	import java.net.URLEncoder;
5
6	import javax.servlet.http.HttpServletRequest;
7	import javax.servlet.http.HttpServletResponse;
8
9	import dk.thoerup.curcuitbreaker.AccountingCircuitBreaker;
10	import dk.thoerup.curcuitbreaker.CircuitBreaker;
11	import dk.thoerup.curcuitbreaker.CircuitBreakerManager;
12
13	public class ActionCommand implements Command {
14
15	private boolean readOnly;
16
17	public ActionCommand(boolean readOnly) {
18	this.readOnly = readOnly;
19	}
20
21	public String execute(HttpServletRequest req, HttpServletResponse resp) {
22	String action = req.getParameter("action");
23	String breaker = req.getParameter("breaker");
24
25	CircuitBreaker cb = CircuitBreakerManager.getManager().getCircuitBreaker(breaker);
26
27	if (readOnly == false) {
28	if (action.equalsIgnoreCase("reset"))
29	cb.reset();
30
31	if (action.equalsIgnoreCase("tripbreaker"))
32	cb.tripBreaker();
33
34	if (action.equalsIgnoreCase("resetcounters")) {
35	AccountingCircuitBreaker acb = (AccountingCircuitBreaker) cb;
36	acb.resetCounters();
37	}
38	}
39
40	try {
41	String uri = req.getRequestURI() + "?command=view&breaker=" + URLEncoder.encode(breaker, "UTF-8");
42
43	resp.sendRedirect( uri );
44	} catch(IOException e) {
45	// what should be done here ?
46	}
47	return "";
48	}
49
50	}