preferencesvalidator.java

portal越来越流行了

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 *  or more contributor license agreements.  See the NOTICE file
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 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
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 *
 *    http://www.apache.org/licenses/LICENSE-2.0
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 *  KIND, either express or implied.  See the License for the
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 *  under the License.
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/*
 * NOTE: this source code is based on an early draft version of JSR 286 and not intended for product
 * implementations. This file may change or vanish in the final version of the JSR 286 specification.
 */
/*
 * This source code implements specifications defined by the Java
 * Community Process. In order to remain compliant with the specification
 * DO NOT add / change / or delete method signatures!
 */
/**
  * Copyright 2006 IBM Corporation.
  */

package javax.portlet;


/**
 * The <CODE>PreferencesValidator</CODE> allows to validate the set of
 * preferences of the associated portlet just before they are
 * stored in the persistent store.
 * <p>
 * The portlet container invokes the <code>validate</code> method as 
 * part of the invocation of the <code>store</code> method of the
 * <code>PortletPreferences</code>.
 */
public interface PreferencesValidator
{

  /**
   * If the preferences values are successfully validated the call to this method
   * must finish gracefully. Otherwise it must throw a <code>ValidatorException</code>.
   *
   * @param  preferences   preferences to validate
   *
   * @throws  ValidatorException  if the given preferences contains invalid
   *                              settings
   *
   */

  public void validate(PortletPreferences preferences)
    throws ValidatorException;  
}