Improve support for External sources

dmp-backend/web/src/main/java/eu/eudat/logic/managers/DatasetProfileManager.java

@@ -118,11 +118,25 @@ public class DatasetProfileManager {
         for (AutoCompleteData.AutoCompleteSingleData singleData: data.getAutoCompleteSingleDataList()) {
             switch (AutoCompleteData.AutocompleteType.fromValue(singleData.getAutocompleteType())) {
                 case UNCACHED:
-                    headers.setAccept(Collections.singletonList(MediaType.valueOf("application/vnd.api+json; charset=utf-8")));
+
+                    String url = singleData.getUrl();
+                    String mediaType = "";
+                    if (url.contains("openaire")) {
+                        mediaType = "application/json; charset=utf-8";
+                        url = url.replace("{like}", like.equals("") ? "*" : like);
+                        url = url.replace("%20", " ");
+                        url = url.replace("%22", "\"");
+                        url = url.replace("&", "&");
+                    } else {
+                        mediaType = "application/vnd.api+json; charset=utf-8";
+                        url += "?search=" + like;
+                    }
+
+                    headers.setAccept(Collections.singletonList(MediaType.valueOf(mediaType)));
                     headers.setContentType(MediaType.APPLICATION_JSON);
                     entity = new HttpEntity<>("parameters", headers);
 
-                    response = restTemplate.exchange(singleData.getUrl() + "?search=" + like, HttpMethod.GET, entity, Object.class);
+                    response = restTemplate.exchange(url, HttpMethod.GET, entity, Object.class);
                     jsonContext = JsonPath.parse(response.getBody());
                     jsonItems = jsonContext.read(singleData.getOptionsRoot() + "['" + singleData.getAutoCompleteOptions().getLabel() + "','" + singleData.getAutoCompleteOptions().getValue() + "','" + singleData.getAutoCompleteOptions().getSource() + "','" + "uri" + "']");
                     jsonItems.forEach(item -> result.add(new ExternalAutocompleteFieldModel(item.get(singleData.getAutoCompleteOptions().getValue()), item.get(singleData.getAutoCompleteOptions().getLabel()), item.get(singleData.getAutoCompleteOptions().getSource()), item.get("uri"))));

dmp-backend/web/src/main/java/eu/eudat/logic/proxy/fetching/RemoteFetcher.java

@@ -268,6 +268,17 @@ public class RemoteFetcher {
                                 + "[" + jsonDataPath.getFieldsUrlConfiguration().getName()
                                 + "," + jsonDataPath.getFieldsUrlConfiguration().getId() + "]"),
                                 new HashMap<>(1, 1));
+                        List<Map<String, String>> fixedResults = results.getResults().stream().map(item -> {
+                            String id = jsonDataPath.getFieldsUrlConfiguration().getId().replace("'", "");
+                            if (! (item.get(id) instanceof String)) {
+                                Object obj = item.get(id);
+                                JSONArray jarr = (JSONArray) obj;
+                                item.put(id, jarr.get(0).toString());
+                            }
+                            return item;
+                        }).collect(Collectors.toList());
+
+                        results = new Results(fixedResults, new HashMap<>(1, 1));
                     } else if (jsonDataPath.getFieldsUrlConfiguration().getPath() != null) {
                         results = new Results(jsonContext.read(jsonDataPath.getPath()
                                 + "[" + jsonDataPath.getFieldsUrlConfiguration().getPath()
@@ -312,7 +323,8 @@ public class RemoteFetcher {
                     }
                     results.results = results.results.stream().map(e -> e.entrySet().stream().collect(Collectors.toMap(x -> this.transformKey(jsonDataPath,x.getKey()), Map.Entry::getValue)))
                                                      .collect(Collectors.toList());
-                } else if (con.getHeaderField("Content-Type").contains("xml")) {
+                }
+                else if (con.getHeaderField("Content-Type").contains("xml")) {
                     Class<?> aClass = Class.forName(jsonDataPath.getParseClass());
                     JAXBContext jaxbContext = JAXBContext.newInstance(aClass);
                     Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();