182 lines
6.3 KiB
Java
182 lines
6.3 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.io.UnsupportedEncodingException;
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import java.net.URI;
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import java.net.URLEncoder;
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import java.util.Map;
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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.Consumes;
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import javax.ws.rs.GET;
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import javax.ws.rs.POST;
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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.Produces;
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import javax.ws.rs.core.Context;
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import javax.ws.rs.core.MediaType;
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import javax.ws.rs.core.Response;
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import org.gcube.common.scope.impl.ScopeBean;
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import org.gcube.common.scope.impl.ScopeBean.Type;
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import org.gcube.datatransfer.resolver.caches.LoadingVREsScopeCache;
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import org.gcube.datatransfer.resolver.dataminer.DataMinerRequest;
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import org.gcube.datatransfer.resolver.services.error.ExceptionManager;
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import org.gcube.datatransfer.resolver.util.Util;
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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 DataMinerResolver.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* Nov 28, 2018
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*/
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@Path("/dataminer")
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public class DataMinerResolver {
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/**
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*
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*/
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private static final String UTF_8 = "UTF-8";
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private static Logger logger = LoggerFactory.getLogger(CatalogueResolver.class);
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private static String helpURI = "https://wiki.gcube-system.org/gcube/URI_Resolver";
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/**
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* Gets the data miner.
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*
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* @param req the req
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* @param provider the provider
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* @param path the path
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* @param remainPath the remain path
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* @return the data miner
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*/
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@GET
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@Path("/{vreName}/{operatorId}")
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public Response getDataMiner(@Context HttpServletRequest req, @PathParam("vreName") String vreName, @PathParam("operatorId") String operatorId) {
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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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ExceptionManager.throwBadRequestException(req, "Mandatory path parameter 'vreName' not found or empty", this.getClass(), helpURI);
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}
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if(operatorId==null || operatorId.isEmpty()){
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logger.error("The path parameter 'operatorId' not found or empty in the JSON object");
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ExceptionManager.throwBadRequestException(req, "Mandatory path parameter 'operatorId' not found or empty", this.getClass(), helpURI);
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}
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try{
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String fullScope = LoadingVREsScopeCache.getCache().get(vreName);
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//READ THE DATAMINER URL PORTLET FROM APPLICATION PROFRILE IN THE SCOPE fullScope
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String dataminerEndPoint = "https://pre.d4science.org/group/prevre/dataminer-manager";
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String queryString = "OperatorId="+URLEncoder.encode(operatorId, UTF_8);
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if(req.getQueryString()!=null && !req.getQueryString().isEmpty()){
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queryString+="&"+req.getQueryString();
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}
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String dataMinerResolveURL = String.format("%s?%s", dataminerEndPoint, queryString);
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logger.info("Resolving the request as DataMinerURL: "+dataMinerResolveURL);
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return Response.seeOther(new URI(dataMinerResolveURL)).build();
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}catch (ExecutionException e) {
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logger.error("The input VRE Name "+vreName+" not found", e);
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ExceptionManager.throwBadRequestException(req, "The input 'VRE Name' "+"+vreName+"+ "not found on Informatiion System. Is it a valid VRE?", this.getClass(), helpURI);
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}
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return null;
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}catch (Exception e) {
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logger.error("error resolving catalogue link",e);
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ExceptionManager.throwInternalErrorException(req, "Error occurred resolving catalogue link", this.getClass(), helpURI);
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return null;
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}
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}
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/**
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* Post catalogue.
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*
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* @param req the req
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* @param jsonRequest the json request
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* @return the response
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*/
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@POST
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@Path("")
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@Consumes(MediaType.APPLICATION_JSON)
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@Produces(MediaType.TEXT_PLAIN)
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public Response postCatalogue(@Context HttpServletRequest req, DataMinerRequest jsonRequest) {
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logger.info(this.getClass().getSimpleName()+" POST starts...");
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logger.info("The body contains the request: "+jsonRequest.toString());
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String scope = jsonRequest.getScope();
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String operatorID = jsonRequest.getOperatorId();
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if(scope==null || scope.isEmpty()){
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logger.error("The parameter 'scope' not found or empty in the JSON object");
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ExceptionManager.throwBadRequestException(req, "Mandatory body parameter 'scope' not found or empty in the JSON object", this.getClass(), helpURI);
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}
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if(operatorID==null || operatorID.isEmpty()){
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logger.error("The parameter 'operatorId' not found or empty in the JSON object");
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ExceptionManager.throwBadRequestException(req, "Mandatory body parameter 'operatorId' not found or empty in the JSON object", this.getClass(), helpURI);
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}
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ScopeBean scopeBean = new ScopeBean(scope);
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if(scopeBean.is(Type.VRE)){
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String vreName = scopeBean.name();
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try {
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//CHECK IF IT IS A VALID SCOPE
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LoadingVREsScopeCache.getCache().get(vreName);
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String dataminerResolverURL = String.format("%s/%s", Util.getServerURL(req), "dataminer");
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String theOperator = "";
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String queryString = "";
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try {
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theOperator = URLEncoder.encode(operatorID, UTF_8);
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Map<String, String> parameters = jsonRequest.getParameters();
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for (String param : parameters.keySet()) {
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String value = parameters.get(param);
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if(value!=null)
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queryString+=String.format(param+"=%s", URLEncoder.encode(parameters.get(param), UTF_8))+"&";
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}
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queryString = Util.removeLastChar(queryString);
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}
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catch (UnsupportedEncodingException e) {
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logger.error("Encoding error: ",e);
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ExceptionManager.throwBadRequestException(req, "Encoding error: "+e.getMessage(), this.getClass(), helpURI);
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}
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String dataMinerURL = String.format("%s/%s/%s?%s", dataminerResolverURL, vreName, theOperator, queryString);
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logger.info("Returning DataMinerURL: "+dataMinerURL);
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return Response.ok(dataMinerURL).header("Location", dataMinerURL).build();
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}
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catch (ExecutionException e) {
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logger.error("The input scope "+scope+" not found", e);
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ExceptionManager.throwBadRequestException(req, "The input 'scope' "+"+scope+"+ "not found on Informatiion System. Is it a valid VRE?", this.getClass(), helpURI);
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}
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return null;
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}else{
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logger.error("The input scope "+scope+" is not a VRE");
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ExceptionManager.throwBadRequestException(req, "The input 'scope' "+"+scope+"+ "is not a VRE", this.getClass(), helpURI);
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}
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return null;
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}
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}
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