104 lines
4.1 KiB
Java
104 lines
4.1 KiB
Java
/**
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*
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*/
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package org.gcube.datatransfer.resolver.services;
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import java.net.URI;
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import java.util.concurrent.ExecutionException;
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import javax.servlet.http.HttpServletRequest;
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import javax.ws.rs.GET;
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import javax.ws.rs.Path;
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import javax.ws.rs.PathParam;
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import javax.ws.rs.WebApplicationException;
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import javax.ws.rs.core.Context;
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import javax.ws.rs.core.Response;
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import org.gcube.datatransfer.resolver.applicationprofile.ApplicationProfileReader;
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import org.gcube.datatransfer.resolver.caches.LoadingVREsScopeCache;
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import org.gcube.datatransfer.resolver.services.error.ExceptionManager;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* The Class AnalyticsGetResolver.
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*
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* @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
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* Dec 13, 2018
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*/
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@Path("/analytics")
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public class AnalyticsGetResolver {
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private static Logger logger = LoggerFactory.getLogger(AnalyticsGetResolver.class);
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private static final String ORG_GCUBE_PORTLETS_USER_DATAMINERMANAGER_SERVER_DATA_MINER_MANAGER_SERVICE_IMPL =
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"org.gcube.portlets.user.dataminermanager.server.DataMinerManagerServiceImpl";
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private static final String APPLICATION_PROFILE = "ApplicationProfile";
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private static String helpURI = "https://gcube.wiki.gcube-system.org/gcube/URI_Resolver#Analytics_Resolver";
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private static final String ANALYTICS_EXECUTOR_PORTLET_NAME = "Analytics Executor";
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/**
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* Resolve analytics url.
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*
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* @param req the req
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* @param vreName the vre name
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* @return the response
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*/
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@GET
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@Path("/get/{vreName}")
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public Response resolveAnalyticsURL(@Context HttpServletRequest req, @PathParam("vreName") String vreName) throws WebApplicationException{
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logger.info(this.getClass().getSimpleName()+" GET starts...");
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try {
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if(vreName==null || vreName.isEmpty()){
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logger.error("The path parameter 'vreName' not found or empty in the path");
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throw ExceptionManager.badRequestException(req, "Mandatory path parameter 'vreName' not found or empty", this.getClass(), helpURI);
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}
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String fullScope = "";
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//CHECKING IF THE INPUT VRE NAME IS REGISTRED IN THE INFRASTRUCTURE...
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try{
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fullScope = LoadingVREsScopeCache.get(vreName);
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}catch(ExecutionException e){
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logger.error("Error on getting the fullscope from cache for vreName "+vreName, e);
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throw ExceptionManager.wrongParameterException(req, "Error on getting full scope for the VRE name "+vreName+". Is it registered as VRE in the D4Science Infrastructure System?", this.getClass(), helpURI);
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}
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ApplicationProfileReader reader = null;
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try{
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reader = new ApplicationProfileReader(fullScope, APPLICATION_PROFILE, ORG_GCUBE_PORTLETS_USER_DATAMINERMANAGER_SERVER_DATA_MINER_MANAGER_SERVICE_IMPL, false);
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}catch(Exception e){
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logger.error("Error on reading the "+APPLICATION_PROFILE+" with APPID: "+ORG_GCUBE_PORTLETS_USER_DATAMINERMANAGER_SERVER_DATA_MINER_MANAGER_SERVICE_IMPL, e);
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throw ExceptionManager.internalErrorException(req, "Error on reading the Application Profile for the "+ANALYTICS_EXECUTOR_PORTLET_NAME+". Please contact the support", this.getClass(), helpURI);
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}
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//READ THE DATAMINER URL PORTLET FROM APPLICATION PROFRILE IN THE SCOPE fullScope
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String analyticsExecutorEndPoint = reader.getApplicationProfile().getUrl();
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//CHECKING THE QUERY STRING
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String queryString = req.getQueryString()!=null?req.getQueryString():"";
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String analitycsExecutorURL = String.format("%s?%s", analyticsExecutorEndPoint, queryString);
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logger.info("Resolving the request with the "+ANALYTICS_EXECUTOR_PORTLET_NAME+" URL: "+analitycsExecutorURL);
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return Response.seeOther(new URI(analitycsExecutorURL)).build();
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}catch (Exception e) {
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if(!(e instanceof WebApplicationException)){
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//UNEXPECTED EXCEPTION managing it as WebApplicationException
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String error = "Error occurred on resolving the Analytics URL. Please, contact the support!";
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if(e.getCause()!=null)
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error+="\n\nCaused: "+e.getCause().getMessage();
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throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
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}
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//ALREADY MANAGED AS WebApplicationException
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logger.error("Exception:", e);
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throw (WebApplicationException) e;
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}
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}
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}
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