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.CircuitBreaker;
import dk.thoerup.circuitbreaker.CircuitBreakerManager;
import dk.thoerup.circuitbreaker.statistics.LoggingStatistics;

public class LogViewCommand implements Command{

        public String execute(HttpServletRequest req, HttpServletResponse resp) {
                String breakerName = req.getParameter("breaker");
                CircuitBreaker<?> breaker =  CircuitBreakerManager.getManager().getCircuitBreaker(breakerName);                         
                
                if (breaker == null)                    
                        return "<html><body><h2>No breaker named '" + breakerName + "'</h2></body></html>";
                
                LoggingStatistics stats = (LoggingStatistics) breaker.getStatistics();
                
                
                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<LoggingStatistics.LogEntry> list = stats.getLog();                                   
                for (LoggingStatistics.LogEntry entry : list) {                 
                        sb.append("<tr><td colspan=\"2\">");
                        sb.append( entry.toString() );                          
                        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.CircuitBreaker;
9	import dk.thoerup.circuitbreaker.CircuitBreakerManager;
10	import dk.thoerup.circuitbreaker.statistics.LoggingStatistics;
11
12	public class LogViewCommand implements Command{
13
14	public String execute(HttpServletRequest req, HttpServletResponse resp) {
15	String breakerName = req.getParameter("breaker");
16	CircuitBreaker<?> breaker = CircuitBreakerManager.getManager().getCircuitBreaker(breakerName);
17
18	if (breaker == null)
19	return "<html><body><h2>No breaker named '" + breakerName + "'</h2></body></html>";
20
21	LoggingStatistics stats = (LoggingStatistics) breaker.getStatistics();
22
23
24	StringBuilder sb = new StringBuilder();
25
26	sb.append("<html><head><title>Circuitbreaker Log</title></head><body>");
27	sb.append("<<== <a href=\"").append(req.getRequestURI()).append("?command=view&breaker=").append(breakerName).append("\">Back</a><br><br>");
28	sb.append("<h2>CircuitBreaker Log : ").append(breakerName).append("</h2>\n");
29
30	sb.append("<table border=\"1\" cellspacing=0>");
31
32
33	LinkedList<LoggingStatistics.LogEntry> list = stats.getLog();
34	for (LoggingStatistics.LogEntry entry : list) {
35	sb.append("<tr><td colspan=\"2\">");
36	sb.append( entry.toString() );
37	sb.append("</td></tr>");
38	}
39
40
41	sb.append("</table>");
42
43	return sb.toString();
44	}
45
46	}