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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.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.Iterator;
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 msbPropertyFile = "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;
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();
Path file = Paths.get(System.getProperty(msbPropertyFile));
if (file == null) {
throw new MSBServiceException("No msb.policy.properties specified.");
}
if (Files.notExists(file)) {
throw new MSBServiceException("No msb.policy.properties specified.");
}
if (Files.isReadable(file) == false) {
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);
}
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;
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);
Iterator iterator = serviceInfo.getNodes().iterator();
while(iterator.hasNext()) {
NodeInfo nodeInfo = (NodeInfo)iterator.next();
node.setIp(nodeInfo.getIp());
node.setPort(nodeInfo.getPort());
}
} catch (RouteException e) {
logger.info("MSBServiceManager:",e);
}
return node;
}
}
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