circuitbreaker/web/LogViewCommand.java

package dk.thoerup.circuitbreaker.web;

import java.util.LinkedList;

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

import dk.thoerup.circuitbreaker.CircuitBreakerManager;
import dk.thoerup.circuitbreaker.LoggingCircuitBreaker;

public class LogViewCommand implements Command{

        public String execute(HttpServletRequest req, HttpServletResponse resp) {
                String breakerName = req.getParameter("breaker");
                LoggingCircuitBreaker breaker = (LoggingCircuitBreaker) CircuitBreakerManager.getManager().getCircuitBreaker(breakerName);              
                
                if (breaker == null)                    
                        return "<html><body><h2>No breaker named '" + breakerName + "'</h2></body></html>";
                StringBuilder sb = new StringBuilder();
                
                sb.append("<html><head><title>Circuitbreaker Log</title></head><body>");
                sb.append("<<== <a href=\"").append(req.getRequestURI()).append("?command=view&breaker=").append(breakerName).append("\">Back</a><br><br>");
                sb.append("<h2>CircuitBreaker Log : ").append(breakerName).append("</h2>\n");
                
                sb.append("<table border=\"1\" cellspacing=0>");
                
                
                LinkedList<LoggingCircuitBreaker.LogEntry> list = breaker.getLog();                                     
                for (LoggingCircuitBreaker.LogEntry entry : list) {                     
                        sb.append("<tr><td colspan=\"2\">");
                        sb.append( ViewCircuitBreaker.formatDate(entry.time) ).append(" : ").append(entry.event);                               
                        sb.append("</td></tr>");
                }
                
                
                sb.append("</table>");  
                
                return sb.toString();
        }

}
1	package dk.thoerup.circuitbreaker.web;
2
3	import java.util.LinkedList;
4
5	import javax.servlet.http.HttpServletRequest;
6	import javax.servlet.http.HttpServletResponse;
7
8	import dk.thoerup.circuitbreaker.CircuitBreakerManager;
9	import dk.thoerup.circuitbreaker.LoggingCircuitBreaker;
10
11	public class LogViewCommand implements Command{
12
13	public String execute(HttpServletRequest req, HttpServletResponse resp) {
14	String breakerName = req.getParameter("breaker");
15	LoggingCircuitBreaker breaker = (LoggingCircuitBreaker) CircuitBreakerManager.getManager().getCircuitBreaker(breakerName);
16
17	if (breaker == null)
18	return "<html><body><h2>No breaker named '" + breakerName + "'</h2></body></html>";
19	StringBuilder sb = new StringBuilder();
20
21	sb.append("<html><head><title>Circuitbreaker Log</title></head><body>");
22	sb.append("<<== <a href=\"").append(req.getRequestURI()).append("?command=view&breaker=").append(breakerName).append("\">Back</a><br><br>");
23	sb.append("<h2>CircuitBreaker Log : ").append(breakerName).append("</h2>\n");
24
25	sb.append("<table border=\"1\" cellspacing=0>");
26
27
28	LinkedList<LoggingCircuitBreaker.LogEntry> list = breaker.getLog();
29	for (LoggingCircuitBreaker.LogEntry entry : list) {
30	sb.append("<tr><td colspan=\"2\">");
31	sb.append( ViewCircuitBreaker.formatDate(entry.time) ).append(" : ").append(entry.event);
32	sb.append("</td></tr>");
33	}
34
35
36	sb.append("</table>");
37
38	return sb.toString();
39	}
40
41	}