formbean.java

来自「struts框架的jsf组件的核心实用例子集合」· Java 代码 · 共 38 行

package com.corejsf;

import javax.faces.FactoryFinder;
import javax.faces.event.PhaseListener;
import javax.faces.event.ValueChangeEvent;
import javax.faces.lifecycle.Lifecycle;
import javax.faces.lifecycle.LifecycleFactory;
import javax.faces.model.SelectItem;

public class FormBean {
   private SelectItem[] phases = {
      new SelectItem("RESTORE_VIEW"),
      new SelectItem("APPLY_REQUEST_VALUES"),
      new SelectItem("PROCESS_VALIDATIONS"),
      new SelectItem("UPDATE_MODEL_VALUES"),
      new SelectItem("INVOKE_APPLICATION"),
      new SelectItem("RENDER_RESPONSE"),
      new SelectItem("ANY_PHASE"),
   };

   public SelectItem[] getPhases() { return phases; }

   public void phaseChange(ValueChangeEvent e) {
      LifecycleFactory factory = (LifecycleFactory)FactoryFinder.getFactory(
            FactoryFinder.LIFECYCLE_FACTORY);
      Lifecycle lifecycle = factory.getLifecycle(LifecycleFactory.
            DEFAULT_LIFECYCLE);

      PhaseListener[] listeners = lifecycle.getPhaseListeners();
      for (int i = 0; i < listeners.length; ++i) {
         PhaseListener listener = listeners[i]; 
         if(listener instanceof com.corejsf.PhaseTracker)
            ((com.corejsf.PhaseTracker) listener).setPhase(
                  (String) e.getNewValue());
      }
   }
}