/*
* Copyright (c) 2012, grossmann
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the jo-widgets.org 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 jo-widgets.org 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 org.jowidgets.validation;
/**
* Accessor class for a validator composite
*/
public final class ValidatorComposite {
private ValidatorComposite() {}
/**
* Creates a new validator composite builder
*
* @return A new validator composite builder
*/
public static <VALUE_TYPE> IValidatorCompositeBuilder<VALUE_TYPE> builder() {
return new ValidatorCompositeBuilderImpl<VALUE_TYPE>();
}
/**
* Creates a new validator based on two given validators.
*
* Both validators may be null. In this case, the OkValidator will
* be returned
*
* @param validator1 The first validator, may be null
* @param validator2 The second validator, may be null
*
* @return The resulting validator, never null
*/
public static <VALUE_TYPE> IValidator<VALUE_TYPE> create(
final IValidator<VALUE_TYPE> validator1,
final IValidator<VALUE_TYPE> validator2) {
if (validator1 != null && validator2 != null) {
final IValidatorCompositeBuilder<VALUE_TYPE> builder = builder();
builder.add(validator1).add(validator2);
return builder.build();
}
else if (validator1 != null) {
return validator1;
}
else if (validator2 != null) {
return validator2;
}
else {
return Validator.okValidator();
}
}
}