circuitbreaker/web/ListCircuitBreakers.java

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("<html><head><title>CircuitBreakers</title></head>\n\n<body>");
                sb.append("<h2>CircuitBreakers:</h2>\n\n");
                sb.append("<table border=\"1\"><tr><th>Name</th><th>Status</th></tr>\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("<tr>");
                        sb.append("<td><a href=\"").append( req.getRequestURI() ).append("?command=view&breaker=");
                        sb.append( encodedName ).append("\">").append(breakerName).append("</a></td>\n");
                        sb.append("<td style=\"background-color: ").append(color).append("\">&nbsp;</td>\n");
                        sb.append("</tr>\n\n");
                }
                
                sb.append("</table></body></html>\n");
                
                return sb.toString();
        }
}
1	torben	411	package dk.thoerup.curcuitbreaker.web;
2
3
4			import java.net.URLEncoder;
5	torben	416	import javax.servlet.http.*;
6	torben	414
7			import dk.thoerup.curcuitbreaker.CircuitBreaker;
8	torben	411	import dk.thoerup.curcuitbreaker.CircuitBreakerManager;
9
10	torben	416	public class ListCircuitBreakers implements Command {
11			public String execute(HttpServletRequest req, HttpServletResponse resp) {
12	torben	411
13
14			StringBuilder sb = new StringBuilder();
15			CircuitBreakerManager manager = CircuitBreakerManager.getManager();
16
17			sb.append("<html><head><title>CircuitBreakers</title></head>\n\n<body>");
18	torben	414	sb.append("<h2>CircuitBreakers:</h2>\n\n");
19	torben	417	sb.append("<table border=\"1\"><tr><th>Name</th><th>Status</th></tr>\n");
20	torben	411
21			for (String breakerName : manager.getCircuitBreakerNames()) {
22	torben	414	CircuitBreaker breaker = manager.getCircuitBreaker(breakerName);
23			String color = "white";
24
25			if (breaker.getStateName().equalsIgnoreCase("open")) {
26			color = "red";
27			} else if (breaker.getStateName().equalsIgnoreCase("Half-open")) {
28			color = "yellow";
29			} else { //must be "closed"
30			color ="green";
31			}
32
33			String encodedName = breakerName;
34	torben	411	try {
35	torben	414	encodedName = URLEncoder.encode(breakerName,"UTF-8" );
36	torben	411	} catch (Exception e) {
37			//if Encoding fails we just use normal name and cross our fingers
38			}
39	torben	414
40			sb.append("<tr>");
41	torben	416	sb.append("<td><a href=\"").append( req.getRequestURI() ).append("?command=view&breaker=");
42	torben	414	sb.append( encodedName ).append("\">").append(breakerName).append("</a></td>\n");
43			sb.append("<td style=\"background-color: ").append(color).append("\"> </td>\n");
44			sb.append("</tr>\n\n");
45	torben	411	}
46
47	torben	414	sb.append("</table></body></html>\n");
48	torben	411
49			return sb.toString();
50			}
51			}