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/*-
* ============LICENSE_START=======================================================
* Copyright 2017-2018 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.msb.client;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Properties;
import org.onap.msb.sdk.discovery.common.RouteException;
import org.onap.msb.sdk.discovery.entity.MicroServiceFullInfo;
import org.onap.msb.sdk.discovery.entity.NodeInfo;
import org.onap.msb.sdk.httpclient.msb.MSBServiceClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MsbServiceFactory implements Serializable {
private static final long serialVersionUID = 4638414146278012425L;
private static final Logger logger = LoggerFactory.getLogger(MsbServiceFactory.class);
private static final String MSB_PROPERTY_FILE = "msb.policy.properties";
private static final String MSB_IP = "msb.ip";
private static final String MSB_PORT = "msb.port";
private transient MSBServiceClient msbClient;
private Properties properties;
/**
* Construct an instance.
*
* @throws MsbServiceException if an error occurs
* @throws IOException if an IO error occurs
*/
public MsbServiceFactory() throws MsbServiceException, IOException {
this.init();
this.msbClient = new MSBServiceClient(properties.getProperty(MSB_IP),
Integer.parseInt(properties.getProperty(MSB_PORT)));
}
public MsbServiceFactory(MSBServiceClient msbClient) {
this.msbClient = msbClient;
}
private void init() throws MsbServiceException, IOException {
properties = new Properties();
String propertyFilePath = System.getProperty(MSB_PROPERTY_FILE);
if (propertyFilePath == null) {
throw new MsbServiceException("No msb.policy.properties specified.");
}
Path file = Paths.get(propertyFilePath);
if (!file.toFile().exists()) {
throw new MsbServiceException("No msb.policy.properties specified.");
}
if (!Files.isReadable(file)) {
throw new MsbServiceException("Repository is NOT readable: " + file.toAbsolutePath());
}
try (InputStream is = new FileInputStream(file.toFile())) {
properties.load(is);
}
}
public Node getNode(String serviceName, String version) {
return this.build(serviceName, version);
}
/**
* Get the node for the given actor.
*
* @param actor the actor
* @return the node
*/
public Node getNode(String actor) {
Node node = null;
switch (actor) {
case "AAI":
node = this.build("aai-search", "v11");
return node;
case "SO":
node = this.build("so", "v2");
return node;
case "VFC":
node = this.build("nfvo-nslcm", "v1");
return node;
case "SDNC":
node = this.build("sdnc-nslcm", "v10"); //... ???
return node;
default:
logger.info("MSBServiceManager: policy has an unknown actor.");
}
return node;
}
private Node build(String serviceName, String version) {
Node node = new Node();
node.setName(serviceName);
try {
MicroServiceFullInfo serviceInfo = msbClient.queryMicroServiceInfo(serviceName, version);
for (NodeInfo nodeInfo : serviceInfo.getNodes()) {
node.setIp(nodeInfo.getIp());
node.setPort(nodeInfo.getPort());
}
} catch (RouteException e) {
logger.info("MSBServiceManager:", e);
}
return node;
}
}
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