add mapping of lists

Author: nr23730

src/main/java/de/uksh/medic/etl/OpenEhrObds.java

@@ -376,12 +376,26 @@ public static void walkTree(Set<Entry<String, Object>> xmlSet, int depth, String
 
             switch (entry.getValue()) {
                 case @SuppressWarnings("rawtypes") Map h -> {
-                    walkTree(h.entrySet(), newDepth, newPath, theMap);
+                    if (Settings.getMapping().getOrDefault(newPath, new ArrayList<>()).size() == 1
+                            && Settings.getMapping().get(newPath).get(0).isList()) {
+                        Map<String, Object> tmpList = new HashMap<>();
+                        tmpList.put("list", List.of(h));
+                        walkTree(tmpList.entrySet(), newDepth, newPath, theMap);
+                    } else {
+                        walkTree(h.entrySet(), newDepth, newPath, theMap);
+                    }
                 }
                 case @SuppressWarnings("rawtypes") List a -> {
-                    for (Object b : a) {
-                        if (b instanceof Map) {
-                            walkTree(((Map<String, Object>) b).entrySet(), newDepth, newPath, theMap);
+                    if (Settings.getMapping().get(newPath).size() == 1
+                            && Settings.getMapping().get(newPath).get(0).isList()) {
+                        Map<String, Object> tmpList = new HashMap<>();
+                        tmpList.put("list", a);
+                        walkTree(tmpList.entrySet(), newDepth, newPath, theMap);
+                    } else {
+                        for (Object b : a) {
+                            if (b instanceof Map) {
+                                walkTree(((Map<String, Object>) b).entrySet(), newDepth, newPath, theMap);
+                            }
                         }
                     }
                 }

src/main/java/de/uksh/medic/etl/settings/Mapping.java

@@ -13,6 +13,7 @@ public class Mapping {
     private boolean global;
     private String templateId;
     private boolean update;
+    private boolean list;
 
     public String getSource() {
         return source;
@@ -77,4 +78,12 @@ public boolean isUpdate() {
     public void setUpdate(boolean update) {
         this.update = update;
     }
+
+    public boolean isList() {
+        return list;
+    }
+
+    public void setList(boolean list) {
+        this.list = list;
+    }
 }