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JMeasurement profiling programs in production enviroment

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/**
 * 
 */
package de.mcs.jmeasurement.spring;

import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;

import de.mcs.jmeasurement.JMConfig;
import de.mcs.jmeasurement.MeasureFactory;
import de.mcs.jmeasurement.Monitor;

/**
 * This is the interceptor class to be used with spring aop feature.
 * 
 * @author w.klaas
 */
public class MeasureMethodInterceptor implements MethodInterceptor {

  /**
   * This method will be invoked every time a method must be invoked with the aop advice.
   * 
   * @see org.aopalliance.intercept.MethodInterceptor#invoke(org.aopalliance.intercept.MethodInvocation)
   */
  public Object invoke(MethodInvocation invocation) throws Throwable {
    Object result = null;
    StringBuffer name = new StringBuffer();
    name.append(invocation.getMethod().getDeclaringClass().getCanonicalName());
    name.append('#');
    name.append(invocation.getMethod().getName());
    if (MeasureFactory.getConfig().getBoolean(JMConfig.OPTION_POINT_NAME_WITH_PARAMETER)) {
      for (Object arg : invocation.getArguments()) {
        name.append('.');
        if (arg != null) {
          name.append(arg.toString());
        }
      }
    }
    Monitor monitor = MeasureFactory.start(name.toString());
    result = invocation.proceed();
    monitor.stop();
    return result;
  }

}