net.sf.staccatocommons.instrument.handler.deactivator.AbstractActivationAnnotationHandler Maven / Gradle / Ivy

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/**
 *  Copyright (c) 2010-2012, The StaccatoCommons Team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation; version 3 of the License.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 */

package net.sf.staccatocommons.instrument.handler.deactivator;

import java.lang.annotation.Annotation;
import java.util.Collection;
import java.util.LinkedList;

import net.sf.staccatocommons.check.Ensure;
import net.sf.staccatocommons.instrument.handler.AnnotationHandler;
import net.sf.staccatocommons.restrictions.check.NonNull;

/**
 * @author flbulgarelli
 * 
 */
public abstract class AbstractActivationAnnotationHandler implements AnnotationHandler {

  private final Collection handlers = new LinkedList();

  /**
   * Register a deactivable object that will be activated or deactivated after
   * the occurrence certain annotation processing events
   * 
   * @param deactivable
   */
  public void addDeactivable(@NonNull Deactivable deactivable) {
    Ensure.isNotNull("deactivable", deactivable);
    handlers.add(deactivable);
  }

  /**
   * Deactivates all the registered {@link Deactivable} handlers
   */
  protected void deactivateAll() {
    for (Deactivable deactivable : handlers)
      deactivable.deactivate();
  }

  /**
   * Activates all the registered {@link Deactivable} handlers
   */
  protected void activateAll() {
    for (Deactivable deactivable : handlers)
      deactivable.activate();
  }

}