salevalidator.java

来自「spring的WEB开发插件,支持多状态WEB开发」· Java 代码 · 共 40 行

/*
 * Copyright 2002-2004 the original author or authors.
 * 
 * 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 org.springframework.webflow.samples.sellitem;

import org.springframework.validation.Errors;
import org.springframework.validation.Validator;

public class SaleValidator implements Validator {

	public boolean supports(Class clazz) {
		return clazz.equals(Sale.class);
	}

	public void validate(Object obj, Errors errors) {
		Sale sale = (Sale)obj;
		validatePriceAndItemCount(sale, errors);
	}
	
	public void validatePriceAndItemCount(Sale sale, Errors errors) {
		if (sale.getItemCount() <= 0) {
			errors.rejectValue("itemCount", null, "Item count must be greater than 0");
		}
		if (sale.getPrice() <= 0.0) {
			errors.rejectValue("price", null, "Price must be greater than 0.0");
		}
	}
}