com.google.gwt.validation.client.constraints.AbstractMaxValidator Maven / Gradle / Ivy
/*
* Copyright 2010 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.gwt.validation.client.constraints;
import java.math.BigDecimal;
import java.math.BigInteger;
import javax.validation.ConstraintValidator;
import javax.validation.constraints.Max;
/**
* Abstract {@link Max} constraint validator implementation for a T.
*
* @param the type of object to validate
*/
public abstract class AbstractMaxValidator implements
ConstraintValidator {
private long max;
@Override
public final void initialize(Max constraintAnnotation) {
max = constraintAnnotation.value();
}
protected final boolean isValid(Number value) {
if (value instanceof BigDecimal) {
return ((BigDecimal) value).compareTo(BigDecimal.valueOf(max)) <= 0;
} else if (value instanceof BigInteger) {
return ((BigInteger) value).compareTo(BigInteger.valueOf(max)) <= 0;
} else {
return value.longValue() <= max;
}
}
}