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/*******************************************************************************
* Copyright 2017 ZTE, Inc. and others.
*
* 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 org.onap.msb.sdk.discovery;
import org.apache.commons.lang3.StringUtils;
import org.onap.msb.sdk.discovery.common.RouteConst;
import org.onap.msb.sdk.discovery.common.RouteException;
import org.onap.msb.sdk.discovery.entity.MicroServiceFullInfo;
import org.onap.msb.sdk.discovery.entity.MicroServiceInfo;
import org.onap.msb.sdk.discovery.entity.NodeAddress;
import org.onap.msb.sdk.discovery.entity.RouteResult;
import org.onap.msb.sdk.discovery.util.HttpClientUtil;
import org.onap.msb.sdk.discovery.util.JacksonJsonUtil;
import org.onap.msb.sdk.discovery.util.MsbUtil;
import org.onap.msb.sdk.discovery.util.RegExpTestUtil;
public class MSBService {
/**
* @Title queryMicroServiceInfo
* @Description Get information of a service
* @param msbAddress MSB Address
* @param serviceName
* @param version null if no version
* @throws RouteException
* @return MicroServiceFullInfo
*/
public MicroServiceFullInfo queryMicroServiceInfo(String msbAddress, String serviceName,
String version) throws RouteException {
MsbUtil.checkServiceName(serviceName);
version=MsbUtil.checkVersion(version);
MicroServiceFullInfo microServiceInfo = null;
String apiRouteUrl = (new StringBuilder().append("http://").append(msbAddress)
.append(RouteConst.MSB_ROUTE_URL).append("/").append(serviceName).append("/version/")
.append(version).append("?ifPassStatus=true")).toString();
String resultJson = HttpClientUtil.httpGet(apiRouteUrl);
microServiceInfo =
(MicroServiceFullInfo) JacksonJsonUtil.jsonToBean(resultJson, MicroServiceFullInfo.class);
return microServiceInfo;
}
/**
* @Title registerMicroServiceInfo
* @Description
* @param msbAddress
* @param microServiceInfo
* @throws RouteException
* @return MicroServiceFullInfo
*/
public MicroServiceFullInfo registerMicroServiceInfo(String msbAddress,
MicroServiceInfo microServiceInfo) throws RouteException {
return this.registerMicroServiceInfo(msbAddress, microServiceInfo, true);
}
/**
* @Title registerMicroServiceInfo
* @Description
* @param msbAddress
* @param microServiceInfo
* @param createOrUpdate true
* @throws RouteException
* @return MicroServiceFullInfo
*/
public MicroServiceFullInfo registerMicroServiceInfo(String msbAddress,
MicroServiceInfo microServiceInfo, boolean createOrUpdate) throws RouteException {
if (StringUtils.isBlank(microServiceInfo.getServiceName())
|| StringUtils.isBlank(microServiceInfo.getProtocol())
|| microServiceInfo.getNodes().size() == 0) {
throw new RouteException("register MicroServiceInfo FAIL： Some MicroServiceInfo's required fields are empty","DATA_FORMAT_ERROR");
}
if (StringUtils.isNotBlank(microServiceInfo.getVersion())) {
if (!RegExpTestUtil.versionRegExpTest(microServiceInfo.getVersion())) {
throw new RouteException("register MicroServiceInfo FAIL：version is not a valid format","DATA_FORMAT_ERROR");
}
}
if (!RouteConst.checkExistProtocol(microServiceInfo.getProtocol().trim())) {
throw new RouteException("register MicroServiceInfo FAIL：Protocol is wrong,value range:("+ RouteConst.listProtocol() + ")", "DATA_FORMAT_ERROR");
}
String apiRouteJson = JacksonJsonUtil.beanToJson(microServiceInfo);
String apiRouteUrl =
(new StringBuilder().append("http://").append(msbAddress).append(RouteConst.MSB_ROUTE_URL)
.append("?createOrUpdate=").append(createOrUpdate)).toString();
String resultJson = HttpClientUtil.httpPostWithJSON(apiRouteUrl, apiRouteJson);
MicroServiceFullInfo microServiceFullInfo =
(MicroServiceFullInfo) JacksonJsonUtil.jsonToBean(resultJson, MicroServiceFullInfo.class);
return microServiceFullInfo;
}
/**
* @Title cancelMicroServiceInfo
* @Description deregister a service
* @param msbAddress
* @param serviceName
* @param version
* @throws RouteException
* @return RouteResult
*/
public RouteResult cancelMicroServiceInfo(String msbAddress, String serviceName, String version)
throws RouteException {
RouteResult result = new RouteResult();
MsbUtil.checkServiceName(serviceName);
version=MsbUtil.checkVersion(version);
String url =
(new StringBuilder().append("http://").append(msbAddress).append(RouteConst.MSB_ROUTE_URL))
.append("/").append(serviceName).append("/version/").append(version).toString();
HttpClientUtil.delete(url, null);
result.setResult(RouteConst.REQUEST_SUCCESS);
result.setInfo("cancel MicroServiceInfo success");
return result;
}
/**
* @Title cancelMicroServiceInfo
* @Description deregister a service
* @param msbAddress
* @param serviceName
* @param version
* @param ip
* @param port
* @throws RouteException
* @return RouteResult
*/
public RouteResult cancelMicroServiceInfo(String msbAddress, String serviceName, String version,
String ip, String port) throws RouteException {
RouteResult result = new RouteResult();
MsbUtil.checkServiceName(serviceName);
version=MsbUtil.checkVersion(version);
String url =
(new StringBuilder().append("http://").append(msbAddress).append(RouteConst.MSB_ROUTE_URL))
.append("/").append(serviceName).append("/version/").append(version).append("/nodes/")
.append(ip).append("/").append(port).toString();
HttpClientUtil.delete(url, null);
result.setResult(RouteConst.REQUEST_SUCCESS);
result.setInfo("cancel MicroServiceInfo success");
return result;
}
/**
* @Title healthCheckbyTTL
* @Description
* @param msbAddress
* @param serviceName
* @param version
* @param ip
* @param port
* @throws RouteException
* @return CheckNode
*/
public NodeAddress healthCheckbyTTL(String msbAddress, String serviceName, String version,
String ip, String port) throws RouteException {
MsbUtil.checkServiceName(serviceName);
version=MsbUtil.checkVersion(version);
MsbUtil.checkHost(ip,port);
NodeAddress checkNode = new NodeAddress(ip, port);
String healthCheckJson = JacksonJsonUtil.beanToJson(checkNode);
String healthCheckUrl =
(new StringBuilder().append("http://").append(msbAddress).append(RouteConst.MSB_ROUTE_URL)
.append("/").append(serviceName).append("/version/").append(version).append("/ttl"))
.toString();
HttpClientUtil.httpPutWithJSON(healthCheckUrl, healthCheckJson);
return checkNode;
}
}
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