72 lines
2.7 KiB
Java
72 lines
2.7 KiB
Java
package org.gcube.data_catalogue.grsf_publish_ws.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.List;
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import org.gcube.common.resources.gcore.GCoreEndpoint;
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import org.gcube.common.scope.api.ScopeProvider;
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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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* Retrieve the endpoint for the Social Networking service running on Smartgears.
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* @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
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*/
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public class GcoreEndPointReaderSocial {
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private String basePath = null;
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private static Logger logger = LoggerFactory.getLogger(GcoreEndPointReaderSocial.class);
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private static final String resource = "jersey-servlet";
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private static final String serviceName = "SocialNetworking";
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private static final String serviceClass = "Portal";
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public GcoreEndPointReaderSocial(String context){
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if(context == null || context.isEmpty())
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throw new IllegalArgumentException("A valid context is needed to discover the service");
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String oldContext = ScopeProvider.instance.get();
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ScopeProvider.instance.set(context);
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try{
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SimpleQuery query = queryFor(GCoreEndpoint.class);
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query.addCondition(String.format("$resource/Profile/ServiceClass/text() eq '%s'",serviceClass));
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query.addCondition("$resource/Profile/DeploymentData/Status/text() eq 'ready'");
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query.addCondition(String.format("$resource/Profile/ServiceName/text() eq '%s'",serviceName));
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query.setResult("$resource/Profile/AccessPoint/RunningInstanceInterfaces//Endpoint[@EntryName/string() eq \""+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 serviceName: "+serviceName +", serviceClass: " +serviceClass +", in scope: "+context);
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this.basePath = endpoints.get(0);
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if(basePath==null)
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throw new Exception("Endpoint:"+resource+", is null for serviceName: "+serviceName +", serviceClass: " +serviceClass +", in scope: "+context);
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}catch(Exception e){
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logger.error("Unable to retrieve such service endpoint information!", e);
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}finally{
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if(oldContext != null && !oldContext.equals(context))
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ScopeProvider.instance.set(oldContext);
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}
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logger.info("Found base path " + basePath + " for the service");
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}
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/**
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* Get the base path of the social networking service
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* @return
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*/
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public String getBasePath() {
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return basePath;
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}
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}
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