package dk.thoerup.curcuitbreaker.web;
import java.net.URLEncoder;
import javax.servlet.http.*;
import dk.thoerup.curcuitbreaker.CircuitBreaker;
import dk.thoerup.curcuitbreaker.CircuitBreakerManager;
public class ListCircuitBreakers implements Command {
public String execute(HttpServletRequest req, HttpServletResponse resp) {
StringBuilder sb = new StringBuilder();
CircuitBreakerManager manager = CircuitBreakerManager.getManager();
sb.append("CircuitBreakers\n\n");
sb.append("
CircuitBreakers:
\n\n");
sb.append("
Name
Status
\n");
for (String breakerName : manager.getCircuitBreakerNames()) {
CircuitBreaker breaker = manager.getCircuitBreaker(breakerName);
String color = "white";
if (breaker.getStateName().equalsIgnoreCase("open")) {
color = "red";
} else if (breaker.getStateName().equalsIgnoreCase("Half-open")) {
color = "yellow";
} else { //must be "closed"
color ="green";
}
String encodedName = breakerName;
try {
encodedName = URLEncoder.encode(breakerName,"UTF-8" );
} catch (Exception e) {
//if Encoding fails we just use normal name and cross our fingers
}
sb.append("