| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.bval.constraints; |
| |
| import javax.validation.ConstraintValidator; |
| import javax.validation.ConstraintValidatorContext; |
| import javax.validation.constraints.Size; |
| |
| /** Check that a string's length is between min and max. */ |
| public class SizeValidatorForString extends SizeValidator |
| implements ConstraintValidator<Size, String> { |
| /** |
| * Checks the length of the specified string. |
| * |
| * @param s The string to validate. |
| * @param context context in which the constraint is evaluated. |
| * @return Returns <code>true</code> if the string is <code>null</code> or the length of <code>s</code> between the specified |
| * <code>min</code> and <code>max</code> values (inclusive), <code>false</code> otherwise. |
| */ |
| public boolean isValid(String s, ConstraintValidatorContext context) { |
| if (s == null) { |
| return true; |
| } |
| int length = s.length(); |
| return length >= min && length <= max; |
| } |
| |
| } |