com.google.gwt.validation.client.constraints.AbstractSizeValidator Maven / Gradle / Ivy
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/*
* 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 javax.validation.ConstraintValidator;
import javax.validation.constraints.Size;
/**
* Abstract {@link Size} constraint validator implementation.
*
* @param
*/
public abstract class AbstractSizeValidator implements
ConstraintValidator {
private int min;
private int max;
public AbstractSizeValidator() {
super();
}
@Override
public final void initialize(Size annotation) {
if (!(annotation.min() >= 0)) {
throw new IllegalArgumentException(
"@Size.min must be a nonnegative nubmer");
}
if (!(annotation.max() >= 0)) {
throw new IllegalArgumentException(
"@Size.max must be a nonnegative nubmer");
}
if (!(annotation.min() <= annotation.max())) {
throw new IllegalArgumentException(
"@Size.min must be less than or equal to @Size.max");
}
min = annotation.min();
max = annotation.max();
}
protected final boolean isLengthValid(int length) {
return min <= length && length <= max;
}
}