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