com.alibaba.nacos.client.utils.ValidatorUtils Maven / Gradle / Ivy
/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* 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.alibaba.nacos.client.utils;
import com.alibaba.nacos.api.PropertyKeyConst;
import com.alibaba.nacos.api.exception.NacosException;
import com.alibaba.nacos.client.env.NacosClientProperties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* All parameter validation tools.
*
* @author liaochuntao
*/
public final class ValidatorUtils {
private static final Pattern CONTEXT_PATH_MATCH = Pattern.compile("(\\/)\\1+");
public static void checkInitParam(NacosClientProperties properties) throws NacosException {
checkContextPath(properties.getProperty(PropertyKeyConst.CONTEXT_PATH));
}
/**
* Check context path.
*
* @param contextPath context path
*/
public static void checkContextPath(String contextPath) {
if (contextPath == null) {
return;
}
Matcher matcher = CONTEXT_PATH_MATCH.matcher(contextPath);
if (matcher.find()) {
throw new IllegalArgumentException("Illegal url path expression");
}
}
}