| /* |
| * 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 <T> |
| */ |
| public abstract class AbstractSizeValidator<T> implements |
| ConstraintValidator<Size, T> { |
| |
| private int min; |
| private int max; |
| |
| public AbstractSizeValidator() { |
| super(); |
| } |
| |
| 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; |
| } |
| } |