AbstractJoinPoint.java

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package etm.contrib.aop.joinpoint;

import etm.core.monitor.EtmPoint;

/**
 * Abstract etm joinpoint provides basic functionality 
 * for calculating #EtmPoint names.
 * 
 * @author jenglisch
 * @version $Revision$ $Date$
 * @since 1.2.4 
 *
 */
public abstract class AbstractJoinPoint implements EtmJoinPoint {

  /**
   * Calculate short name for a given class.
   *
   * @param clazz The class object.
   * @return The short name for the given class.
   */
  protected String calculateShortName(Class clazz) {
      String name = clazz.getName();
      int beginIndex = name.lastIndexOf('.');
      if (beginIndex > 0) {
        return name.substring(beginIndex + 1);
      } else {
        return name;
      }
    }
  
  /**
   * Calculate name based on the method invocation.
   * 
   * @param clazz
   * @param methodName
   * @return The 
   */
  protected String calculateName(Class clazz, String methodName) {
    return calculateShortName(clazz) + "::" + methodName;
  }
  
  /**
   * @see #alterNamePostException(EtmPoint, Throwable)
   */
   public void alterNamePostException(EtmPoint aEtmPoint, Throwable t) {
     aEtmPoint.alterName(aEtmPoint.getName() + " [" + calculateShortName(t.getClass()) + "]");
   }  

}