ElementValidator.java

/* Copyright (c) 2008 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package com.google.gdata.model;

/**
 * The ElementValidator interface defines the model for verifying that
 * element state is valid.
 */
public interface ElementValidator {

  /**
   * Validate the target element using the specified validation context.
   *
   * @param vc validation context.
   * @param e element to be validated.
   * @param metadata the metadata the element is being validated against.
   */
  public void validate(ValidationContext vc, Element e,
      ElementMetadata<?, ?> metadata);
}