proposed implementation

gistfile1.java

package org.jenkinsci.plugins.study;
 
import com.sonyericsson.hudson.plugins.gerrit.trigger.api.GerritTrigger;
import com.sonyericsson.hudson.plugins.gerrit.trigger.api.exception.NoInstanceException;
import com.sonyericsson.hudson.plugins.gerrit.gerritevents.Handler;
 
class MyPlugin extends Plugin {

  private GerritTriggerApi api = new GerritTriggerApi();
 
  public void postEvent(String eventString) {
    try {
      Handler handler = api.getHander();
      handler.post(eventString);
    } catch (GerritTriggerException ex) {
      String msg = ex.getMessage();     // dummy
    }
  }
 
}