328 lines
11 KiB
Java
328 lines
11 KiB
Java
package rest;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.List;
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import java.util.UUID;
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import org.hibernate.Hibernate;
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import org.hibernate.Session;
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import org.apache.commons.lang3.SerializationUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.util.MultiValueMap;
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import org.springframework.web.bind.annotation.CrossOrigin;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.ResponseBody;
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import org.springframework.web.bind.annotation.RestController;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import dao.entities.DMPDao;
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import dao.entities.DMPProfileDao;
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import dao.entities.DMPResearcherDao;
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import dao.entities.DataRepositoryDao;
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import dao.entities.DatasetDao;
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import dao.entities.DatasetProfileDao;
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import dao.entities.DatasetProfileRulesetDao;
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import dao.entities.DatasetProfileViewstyleDao;
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import dao.entities.DatasetRegistryDao;
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import dao.entities.DatasetServiceDao;
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import dao.entities.OrganisationDao;
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import dao.entities.ProjectDao;
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import dao.entities.RegistryDao;
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import dao.entities.ResearcherDao;
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import dao.entities.ServiceDao;
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import entities.DMP;
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import entities.DMPProfile;
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import entities.DataRepository;
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import entities.Dataset;
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import entities.DatasetProfile;
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import entities.DatasetProfileRuleset;
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import entities.DatasetProfileViewstyle;
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import entities.DatasetRegistry;
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import entities.DatasetService;
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import entities.Organisation;
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import entities.Project;
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import entities.Registry;
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import entities.Service;
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import helpers.Transformers;
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@RestController
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@CrossOrigin
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public class BackendInterface {
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@Autowired private DataRepositoryDao dataRepositoryDao;
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@Autowired private DatasetDao datasetDao;
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@Autowired private DatasetProfileDao datasetProfileDao;
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@Autowired private DatasetProfileRulesetDao datasetProfileRulesetDao;
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@Autowired private DatasetProfileViewstyleDao datasetProfileViewstyleDao;
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@Autowired private DMPDao dMPDao;
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@Autowired private DMPProfileDao dMPProfileDao;
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@Autowired private OrganisationDao organisationDao;
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@Autowired private ProjectDao projectDao;
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@Autowired private RegistryDao registryDao;
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@Autowired private ResearcherDao researcherDao;
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@Autowired private ServiceDao serviceDao;
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// FETCH BY DMP(S)
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@RequestMapping(method = RequestMethod.GET, value = { "/DMP" }, produces="text/plain")
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public @ResponseBody ResponseEntity<Object> listDMPs(){
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try {
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List<UUID> allIDs = dMPDao.listAllIDs();
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return ResponseEntity.status(HttpStatus.OK).body(new ObjectMapper().writeValueAsString(allIDs));
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}
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catch(Exception ex) {
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return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Serialization issue: "+ex.getMessage());
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}
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}
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@RequestMapping(method = RequestMethod.GET, value = { "/DMP/{id}" }, produces="application/json")
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public @ResponseBody ResponseEntity<Object> getDMP(@PathVariable("id") String id){
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try {
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DMP dmp = dMPDao.read(UUID.fromString(id));
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return ResponseEntity.status(HttpStatus.OK).body(new ObjectMapper().writeValueAsString(dmp));
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}
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catch(Exception ex) {
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return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Erroneous input: "+ex.getMessage());
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}
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}
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/**
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* This should be called on extreme cases. It's computationally intensive
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*/
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@RequestMapping(method = RequestMethod.GET, value = { "/getAllDMPs" }, produces="application/json")
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public @ResponseBody ResponseEntity<Object> getAllDMPs(){
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try {
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List<DMP> allDMPs = dMPDao.getAll();
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return ResponseEntity.status(HttpStatus.OK).body(new ObjectMapper().writeValueAsString(allDMPs));
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}
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catch(Exception ex) {
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return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Serialization issue: "+ex.getMessage());
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}
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}
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@RequestMapping(method = RequestMethod.POST, value = { "/setDMP" }, consumes = "application/json", produces="text/plain")
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public @ResponseBody ResponseEntity<Object> setDMP(@RequestBody DMP dmp) {
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//This function is a little bit tricky to implement (due to the irregular ORM mappings of the hibernate).
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// Please make changes only if you are sure about what you're altering.
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Dataset dataset = SerializationUtils.clone(dmp.getDataset());
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dmp.setDataset(null);
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int failsDMP = 0;
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String reasonDmp = "";
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DMP storedDMP = null;
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//try first to create DMP
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try {
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storedDMP = dMPDao.create(dmp);
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}
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catch(Exception e) {
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e.printStackTrace();
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failsDMP++;
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reasonDmp += e.getMessage();
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//try updating DMP
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try {
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storedDMP = dMPDao.update(dmp);
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}
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catch(Exception ex) {
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reasonDmp += (System.lineSeparator()+e.getMessage());
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failsDMP++;
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ex.printStackTrace();
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}
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}
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if(failsDMP==2)
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return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Could not create or update DMP! Reason: " + reasonDmp);
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dataset.setDmp(storedDMP); //very important!
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int failsDataset = 0;
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String reasonDataset = "";
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Dataset storedDataset = null;
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if(dataset != null) {
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//try first to create DMP
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try {
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storedDataset = datasetDao.create(dataset);
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}
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catch(Exception e) {
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e.printStackTrace();
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failsDataset++;
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reasonDataset += e.getMessage();
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//try updating DMP
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try {
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storedDataset = datasetDao.update(dataset);
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}
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catch(Exception ex) {
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reasonDataset += (System.lineSeparator()+e.getMessage());
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failsDataset++;
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ex.printStackTrace();
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}
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}
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}
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if(failsDataset != 2) {
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if(failsDMP==0)
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return ResponseEntity.status(HttpStatus.CREATED).body("Created DMP with id: " + storedDMP.getId());
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else if(failsDMP==1)
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return ResponseEntity.status(HttpStatus.CREATED).body("Updated DMP with id: " + storedDMP.getId());
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else
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return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Could not create DMP! Reason:"+ reasonDmp);
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}
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else {
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return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Could not create DMP! Failed to create or update its Dataset. Reason: "+reasonDataset);
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}
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}
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@RequestMapping(method = RequestMethod.POST, value = { "/setDMPByForm" }, consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE, produces="text/plain")
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public @ResponseBody ResponseEntity<Object> setDMPByForm(@RequestBody MultiValueMap<String,String> formData) {
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DMP dmp = Transformers.createDMPfromMap(formData);
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return setDMP(dmp);
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}
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// FETCH BY DATASET(S)
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@RequestMapping(method = RequestMethod.GET, value = { "/dataset" })
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public @ResponseBody ResponseEntity<Object> listDatasets(){
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try {
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List<UUID> allIDs = datasetDao.listAllIDs();
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return ResponseEntity.status(HttpStatus.OK).body(new ObjectMapper().writeValueAsString(allIDs));
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}
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catch(Exception ex) {
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return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Serialization issue: "+ex.getMessage());
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}
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}
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@RequestMapping(method = RequestMethod.GET, value = { "/dataset/{id}" })
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public @ResponseBody ResponseEntity<Object> getDataset(@PathVariable("id") String id) {
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try {
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Dataset ds = datasetDao.read(UUID.fromString(id));
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return ResponseEntity.status(HttpStatus.OK).body(new ObjectMapper().writeValueAsString(ds));
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}
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catch(Exception ex) {
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return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Erroneous input: "+ex.getMessage());
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}
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}
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/**
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* This should be called on extreme cases. It's computationally intensive
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*/
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@RequestMapping(method = RequestMethod.GET, value = { "/getAllDatasets" })
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public @ResponseBody ResponseEntity<Object> getAllDatasets(){
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try {
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List<Dataset> allDatasets = datasetDao.getAll();
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return ResponseEntity.status(HttpStatus.OK).body(new ObjectMapper().writeValueAsString(allDatasets));
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}
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catch(Exception ex) {
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return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Serialization issue: "+ex.getMessage());
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}
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}
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@RequestMapping(method = RequestMethod.POST, value = { "/setDataset" }, consumes = "application/json")
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public @ResponseBody ResponseEntity<Object> setDataset(@RequestBody Dataset dataset) {
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String reason = "";
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Dataset storedDataset = null;
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//try first to create
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try {
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storedDataset = datasetDao.create(dataset);
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return ResponseEntity.status(HttpStatus.CREATED).body("Created Dataset with id: " + storedDataset.getId());
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}
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catch(Exception e) {
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reason += e.getMessage();
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//try updating
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try {
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storedDataset = datasetDao.update(dataset);
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return ResponseEntity.status(HttpStatus.CREATED).body("Updated Dataset with id: " + storedDataset.getId());
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}
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catch(Exception ex) {
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reason += (System.lineSeparator()+e.getMessage());
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return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Could not create or update Dataset! Reason: " + reason);
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}
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}
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}
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// FETCH BY PROJECT(S)
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@RequestMapping(method = RequestMethod.GET, value = { "/project" })
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public @ResponseBody ResponseEntity<Object> listProjects(){
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try {
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List<UUID> allIDs = projectDao.listAllIDs();
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return ResponseEntity.status(HttpStatus.OK).body(new ObjectMapper().writeValueAsString(allIDs));
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}
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catch(Exception ex) {
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return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Serialization issue: "+ex.getMessage());
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}
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}
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@RequestMapping(method = RequestMethod.GET, value = { "/project/{id}" })
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public @ResponseBody ResponseEntity<Object> getProject(@PathVariable("id") String id) {
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try {
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Project project = projectDao.read(UUID.fromString(id));
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return ResponseEntity.status(HttpStatus.OK).body(new ObjectMapper().writeValueAsString(project));
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}
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catch(Exception ex) {
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return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Erroneous input: "+ex.getMessage());
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}
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}
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@RequestMapping(method = RequestMethod.POST, value = { "/setProject" }, consumes = "application/json")
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public @ResponseBody ResponseEntity<Object> setProject(@RequestBody Project project) {
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String reason = "";
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Project storedProject = null;
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//try first to create
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try {
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storedProject = projectDao.create(project);
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return ResponseEntity.status(HttpStatus.CREATED).body("Created project with id: " + storedProject.getId());
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}
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catch(Exception e) {
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reason += e.getMessage();
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//try updating
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try {
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storedProject = projectDao.update(project);
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return ResponseEntity.status(HttpStatus.CREATED).body("Updated project with id: " + storedProject.getId());
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}
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catch(Exception ex) {
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reason += (System.lineSeparator()+e.getMessage());
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return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Could not create or update project! Reason: " + reason);
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}
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}
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}
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}
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