Revize ce5bfed1

Changed coordinates to null from 0.0 when not known

re #9625

backend/src/main/java/cz/zcu/kiv/backendapi/catalog/CatalogItem.java

@@ -49 +49 @@
     /**
      * Certainty
      */
-    private int certainty;
+    private Integer certainty;
 
     /**
      * Longitude
      */
-    private double longitude;
+    private Double longitude;
 
     /**
      * Latitude
      */
-    private double latitude;
+    private Double latitude;
 
     /**
      * Description
@@ -138 +138 @@
         this.bibliography = stringList.stream().map(s -> new Bibliography(s, this)).collect(Collectors.toSet());
     }
 
-    private int processIntField(String field) {
+    private Integer processIntField(String field) {
         Matcher matcher = Pattern.compile(INTEGER_PATTERN).matcher(field);
         if (matcher.find()) {
             return Integer.parseInt(matcher.group());
         } else {
-            return 0;
+            return null;
         }
     }
 
-    private double processDoubleField(String field) {
+    private Double processDoubleField(String field) {
         Matcher matcher = Pattern.compile(DOUBLE_PATTERN).matcher(field);
         if (matcher.find()) {
             return Double.parseDouble(matcher.group());
         } else {
-            return 0.0;
+            return null;
         }
     }