96 lines
3.4 KiB
Java
96 lines
3.4 KiB
Java
package org.gcube.gcat.social;
|
|
|
|
import static org.gcube.resources.discovery.icclient.ICFactory.client;
|
|
import static org.gcube.resources.discovery.icclient.ICFactory.queryFor;
|
|
|
|
import java.util.HashMap;
|
|
import java.util.List;
|
|
import java.util.Map;
|
|
|
|
import org.gcube.common.resources.gcore.GCoreEndpoint;
|
|
import org.gcube.gcat.utils.ContextUtility;
|
|
import org.gcube.resources.discovery.client.api.DiscoveryClient;
|
|
import org.gcube.resources.discovery.client.queries.api.SimpleQuery;
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
|
|
/**
|
|
* Discover the Social Networking Service in the Infrastructure.
|
|
* @author Luca Frosini (ISTI - CNR)
|
|
*/
|
|
public class SocialService {
|
|
|
|
private static final String RESOURCE = "jersey-servlet";
|
|
private static final String SERVICE_NAME = "SocialNetworking";
|
|
private static final String SERVICE_CLASSE = "Portal";
|
|
|
|
private static Logger logger = LoggerFactory.getLogger(SocialService.class);
|
|
private String serviceBasePath;
|
|
|
|
// Map<String contextFullName, SocialService socialService>
|
|
private static Map<String, SocialService> socialServicePerContext;
|
|
|
|
static {
|
|
socialServicePerContext = new HashMap<>();
|
|
}
|
|
|
|
public static SocialService getSocialService() throws Exception {
|
|
String contex = ContextUtility.getCurrentContext();
|
|
SocialService socialService = socialServicePerContext.get(contex);
|
|
if(socialService==null) {
|
|
socialService = new SocialService();
|
|
socialServicePerContext.put(contex, socialService);
|
|
}
|
|
return socialService;
|
|
}
|
|
|
|
/**
|
|
* Discover the gcore endpoint for the social networking service.
|
|
* @throws Exception the exception
|
|
*/
|
|
private SocialService() throws Exception {
|
|
getServiceBasePathViaGCoreEndpoint();
|
|
}
|
|
|
|
protected void getServiceBasePathViaGCoreEndpoint() throws Exception {
|
|
try {
|
|
SimpleQuery query = queryFor(GCoreEndpoint.class);
|
|
query.addCondition(String.format("$resource/Profile/ServiceClass/text() eq '%s'", SERVICE_CLASSE));
|
|
query.addCondition("$resource/Profile/DeploymentData/Status/text() eq 'ready'");
|
|
query.addCondition(String.format("$resource/Profile/ServiceName/text() eq '%s'", SERVICE_NAME));
|
|
query.setResult(
|
|
"$resource/Profile/AccessPoint/RunningInstanceInterfaces//Endpoint[@EntryName/string() eq \""
|
|
+ RESOURCE + "\"]/text()");
|
|
|
|
DiscoveryClient<String> client = client();
|
|
List<String> endpoints = client.submit(query);
|
|
if(endpoints == null || endpoints.isEmpty()) {
|
|
throw new Exception("Cannot retrieve the GCoreEndpoint SERVICE_NAME: " + SERVICE_NAME
|
|
+ ", SERVICE_CLASSE: " + SERVICE_CLASSE + ", in scope: " + ContextUtility.getCurrentContext());
|
|
}
|
|
|
|
this.serviceBasePath = endpoints.get(0);
|
|
|
|
if(serviceBasePath == null)
|
|
throw new Exception("Endpoint:" + RESOURCE + ", is null for SERVICE_NAME: " + SERVICE_NAME
|
|
+ ", SERVICE_CLASSE: " + SERVICE_CLASSE + ", in scope: " + ContextUtility.getCurrentContext());
|
|
|
|
serviceBasePath = serviceBasePath.endsWith("/") ? serviceBasePath : serviceBasePath + "/";
|
|
|
|
} catch(Exception e) {
|
|
String error = "An error occurred during GCoreEndpoint discovery, SERVICE_NAME: " + SERVICE_NAME
|
|
+ ", SERVICE_CLASSE: " + SERVICE_CLASSE + ", in scope: " + ContextUtility.getCurrentContext() + ".";
|
|
logger.error(error, e);
|
|
throw new Exception(error);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return the base path of the service
|
|
*/
|
|
public String getServiceBasePath() {
|
|
return serviceBasePath;
|
|
}
|
|
|
|
}
|