/*
* Copyright (c) 2003-2007 JGoodies Karsten Lentzsch. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* o Neither the name of JGoodies Karsten Lentzsch nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jgoodies.validation.tutorial.validator;
import com.jgoodies.validation.Validator;
import com.jgoodies.validation.ValidationResult;
import com.jgoodies.validation.tutorial.shared.Order;
import com.jgoodies.validation.util.PropertyValidationSupport;
import com.jgoodies.validation.util.ValidationUtils;
/**
* Validates Orders. This Validator style is the first choice
* for a domain object validation. It allows to use different validators
* for the same domain class. This can be useful if you have strict and
* relaxed validator for different validation contexts, such as saving (strict)
* and printing (relaxed). If the domain class validates itself (as in
* the ValidatingOrder), it is more difficult to implement this feature,
* or it may be more difficult to understand.
*
* @author Karsten Lentzsch
* @version $Revision: 1.5 $
*
* @see ValidatingOrder
*/
public final class OrderValidator implements Validator<Order> {
// Validation *************************************************************
/**
* Validates this Validator's Order and returns the result
* as an instance of {@link ValidationResult}.
*
* @param order the Order to be validated
* @return the ValidationResult of the order validation
*/
public ValidationResult validate(Order order) {
PropertyValidationSupport support =
new PropertyValidationSupport(order, "Order");
if (ValidationUtils.isBlank(order.getOrderNo()))
support.addError("Order No", "is mandatory");
else if (!ValidationUtils.hasBoundedLength(order.getOrderNo(), 5, 10))
support.addError("Order No", "length must be in [5, 10]");
if (order.getOrderDate() == null)
support.addError("Order Date", "is mandatory");
if (order.getOrderDate() != null
&& order.getDeliveryDate() != null
&& order.getOrderDate().after(order.getDeliveryDate()))
support.addWarning("Delivery Date", "shall be after the order date");
if (order.getDeliveryNotes() != null
&& !ValidationUtils.hasMaximumLength(order.getDeliveryNotes(), 30))
support.addWarning("Notes", "length shall be in [0, 30]");
return support.getResult();
}
}
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