iformvalidator.java

Wicket一个开发Java Web应用程序框架。它使得开发web应用程序变得容易而轻松。 Wicket利用一个POJO data beans组件使得它可以与任何持久层技术相结合。

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.wicket.markup.html.form.validation;

import org.apache.wicket.IClusterable;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.FormComponent;

/**
 * Interface that represents validators that check multiple components. These validators are added
 * to the form and only executed if all form components returned by
 * {@link IFormValidator#getDependentFormComponents()} have been successfully validated before this
 * validator runs.
 * 
 * TODO post 1.3: remove validate(form) *make IFormValidator extends IValidator where IValidatable's
 * value is form.modelobject and error reports on form - that way IBehaviorProvider can extend
 * IValidator
 * 
 * @author Igor Vaynberg (ivaynberg)
 */
public interface IFormValidator extends IClusterable
{
	/**
	 * @return array of {@link FormComponent}s that this validator depends on
	 */
	FormComponent[] getDependentFormComponents();

	/**
	 * This method is ran if all components returned by
	 * {@link IFormValidator#getDependentFormComponents()} are valid.
	 * 
	 * @param form
	 *            form this validator is added to
	 */
	void validate(Form form);
}