/* Copyright 2009-2012 Comcast Interactive Media, LLC.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.fishwife.jrugged.examples.webapp;
import java.lang.reflect.Method;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.fishwife.jrugged.PerformanceMonitor;
import org.fishwife.jrugged.PerformanceMonitorFactory;
import org.fishwife.jrugged.aspects.PerformanceMonitorAspect;
import org.fishwife.jrugged.examples.AspectResponseTweaker;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
@Controller()
public class AspectPerformanceMonitorExample {
@Autowired
private PerformanceMonitorAspect performanceAspect;
public PerformanceMonitorAspect getPerformanceAspect() {
return performanceAspect;
}
public void setPerformanceAspect(PerformanceMonitorAspect performanceAspect) {
this.performanceAspect = performanceAspect;
}
@Autowired
private AspectResponseTweaker aspectResponseTweaker;
public AspectResponseTweaker getResponseTweaker() {
return aspectResponseTweaker;
}
public void setAspectResponseTweaker(AspectResponseTweaker aspectResponseTweaker) {
this.aspectResponseTweaker = aspectResponseTweaker;
}
@RequestMapping("/aspectPerformanceMonitor")
public ModelAndView viewMain(HttpServletRequest request, HttpServletResponse response) throws Exception {
int delayedFor = aspectResponseTweaker.delay();
ModelAndView view = new ModelAndView("aspectPerf-monitor");
view.addObject("delay", new Integer(delayedFor));
return view;
}
@RequestMapping("/aspectPerformanceMonitor/stats")
public ModelAndView viewPerformanceMonitor(HttpServletRequest request,
HttpServletResponse response) throws Exception {
final StringBuilder sb = new StringBuilder();
PerformanceMonitorFactory factory = performanceAspect.getPerformanceMonitorFactory();
for (String monitorName : factory.getPerformanceMonitorNames()) {
PerformanceMonitor m = factory.findPerformanceMonitor(monitorName);
sb.append(String.format("[%s]", monitorName)).append("\n");
// Go through all methods and invoke those with ManagedAttribute
// marker annotations
Method[] methods = m.getClass().getMethods();
for (Method monitorMethod : methods) {
if (monitorMethod.getName().startsWith("get")) {
sb.append(
String.format("\t%s: %s\n",
monitorMethod.getName().substring(3),
monitorMethod.invoke(m, new Object[] {})
)
);
}
}
sb.append("\n");
}
response.setContentType("text/plain");
response.getWriter().println(sb.toString());
return null;
}
}