com.alibaba.nacos.client.naming.utils.InitUtils 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.naming.utils;
import com.alibaba.nacos.api.PropertyKeyConst;
import com.alibaba.nacos.api.SystemPropertyKeyConst;
import com.alibaba.nacos.api.common.Constants;
import com.alibaba.nacos.api.selector.ExpressionSelector;
import com.alibaba.nacos.api.selector.NoneSelector;
import com.alibaba.nacos.api.selector.SelectorType;
import com.alibaba.nacos.client.env.NacosClientProperties;
import com.alibaba.nacos.client.env.SourceType;
import com.alibaba.nacos.client.utils.ContextPathUtil;
import com.alibaba.nacos.client.utils.LogUtils;
import com.alibaba.nacos.client.utils.ParamUtil;
import com.alibaba.nacos.client.utils.TemplateUtils;
import com.alibaba.nacos.client.utils.TenantUtil;
import com.alibaba.nacos.common.utils.JacksonUtils;
import com.alibaba.nacos.common.utils.StringUtils;
/**
* Init utils.
*
* @author liaochuntao
* @author deshao
*/
public class InitUtils {
private static final String DEFAULT_END_POINT_PORT = "8080";
/**
* Add a difference to the name naming. This method simply initializes the namespace for Naming. Config
* initialization is not the same, so it cannot be reused directly.
*
* @param properties properties
* @return namespace
*/
public static String initNamespaceForNaming(NacosClientProperties properties) {
String tmpNamespace = null;
String isUseCloudNamespaceParsing = properties.getProperty(PropertyKeyConst.IS_USE_CLOUD_NAMESPACE_PARSING,
properties.getProperty(SystemPropertyKeyConst.IS_USE_CLOUD_NAMESPACE_PARSING,
String.valueOf(Constants.DEFAULT_USE_CLOUD_NAMESPACE_PARSING)));
if (Boolean.parseBoolean(isUseCloudNamespaceParsing)) {
tmpNamespace = TenantUtil.getUserTenantForAns();
LogUtils.NAMING_LOGGER.info("initializer namespace from ans.namespace attribute : {}", tmpNamespace);
tmpNamespace = TemplateUtils.stringEmptyAndThenExecute(tmpNamespace, () -> {
String namespace = properties.getProperty(PropertyKeyConst.SystemEnv.ALIBABA_ALIWARE_NAMESPACE);
LogUtils.NAMING_LOGGER.info("initializer namespace from ALIBABA_ALIWARE_NAMESPACE attribute :" + namespace);
return namespace;
});
}
tmpNamespace = TemplateUtils.stringEmptyAndThenExecute(tmpNamespace, () -> {
String namespace = properties.getPropertyFrom(SourceType.JVM, PropertyKeyConst.NAMESPACE);
LogUtils.NAMING_LOGGER.info("initializer namespace from namespace attribute :" + namespace);
return namespace;
});
if (StringUtils.isEmpty(tmpNamespace)) {
tmpNamespace = properties.getProperty(PropertyKeyConst.NAMESPACE);
}
tmpNamespace = TemplateUtils.stringEmptyAndThenExecute(tmpNamespace, () -> UtilAndComs.DEFAULT_NAMESPACE_ID);
return tmpNamespace;
}
/**
* Init web root context.
*
* @param properties properties
* @since 1.4.1
*/
public static void initWebRootContext(NacosClientProperties properties) {
final String webContext = properties.getProperty(PropertyKeyConst.CONTEXT_PATH);
TemplateUtils.stringNotEmptyAndThenExecute(webContext, () -> {
UtilAndComs.webContext = ContextPathUtil.normalizeContextPath(webContext);
UtilAndComs.nacosUrlBase = UtilAndComs.webContext + "/v1/ns";
UtilAndComs.nacosUrlInstance = UtilAndComs.nacosUrlBase + "/instance";
});
}
/**
* Init end point.
*
* @param properties properties
* @return end point
*/
public static String initEndpoint(final NacosClientProperties properties) {
if (properties == null) {
return "";
}
// Whether to enable domain name resolution rules
String isUseEndpointRuleParsing = properties.getProperty(PropertyKeyConst.IS_USE_ENDPOINT_PARSING_RULE,
properties.getProperty(SystemPropertyKeyConst.IS_USE_ENDPOINT_PARSING_RULE,
String.valueOf(ParamUtil.USE_ENDPOINT_PARSING_RULE_DEFAULT_VALUE)));
boolean isUseEndpointParsingRule = Boolean.parseBoolean(isUseEndpointRuleParsing);
String endpointUrl;
if (isUseEndpointParsingRule) {
// Get the set domain name information
endpointUrl = ParamUtil.parsingEndpointRule(properties.getProperty(PropertyKeyConst.ENDPOINT));
if (StringUtils.isBlank(endpointUrl)) {
return "";
}
} else {
endpointUrl = properties.getProperty(PropertyKeyConst.ENDPOINT);
}
if (StringUtils.isBlank(endpointUrl)) {
return "";
}
String endpointPort = TemplateUtils
.stringEmptyAndThenExecute(properties.getProperty(PropertyKeyConst.SystemEnv.ALIBABA_ALIWARE_ENDPOINT_PORT),
() -> properties.getProperty(PropertyKeyConst.ENDPOINT_PORT));
endpointPort = TemplateUtils.stringEmptyAndThenExecute(endpointPort, () -> DEFAULT_END_POINT_PORT);
return endpointUrl + ":" + endpointPort;
}
/**
* Register subType for serialization.
*
*
* Now these subType implementation class has registered in static code. But there are some problem for classloader.
* The implementation class will be loaded when they are used, which will make deserialize before register.
*
*
*
* 子类实现类中的静态代码串中已经向Jackson进行了注册，但是由于classloader的原因，只有当 该子类被使用的时候，才会加载该类。这可能会导致Jackson先进性反序列化，再注册子类，从而导致 反序列化失败。
*
*/
public static void initSerialization() {
// TODO register in implementation class or remove subType
JacksonUtils.registerSubtype(NoneSelector.class, SelectorType.none.name());
JacksonUtils.registerSubtype(ExpressionSelector.class, SelectorType.label.name());
}
}