com.qq.tars.validate.ConfigFileNameValidator.java Source code

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Here is the source code for com.qq.tars.validate.ConfigFileNameValidator.java

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/*
 * Tencent is pleased to support the open source community by making Tars available.
 *
 * Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
 *
 * Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * https://opensource.org/licenses/BSD-3-Clause
 *
 * 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.qq.tars.validate;

import org.apache.commons.lang3.CharUtils;
import org.apache.commons.lang3.StringUtils;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

public class ConfigFileNameValidator implements ConstraintValidator<ConfigFileName, String> {
    @Override
    public void initialize(ConfigFileName configFileName) {

    }

    @Override
    public boolean isValid(String value, ConstraintValidatorContext context) {
        return StringUtils.isNotBlank(value) && StringUtils.isAlphanumeric(value)
                && CharUtils.isAsciiAlpha(value.charAt(0));
    }

}