+ private JsonElement mergeHeaderInFoToPayload(JsonElement propertiesFromRequest, HttpHeaders headers, boolean isAdd) {
+ if(!headers.getRequestHeaders().containsKey("X-FromAppId"))
+ return propertiesFromRequest;
+
+ String sourceOfTruth = headers.getRequestHeaders().getFirst("X-FromAppId");
+ Set<Map.Entry<String, JsonElement>> properties = new HashSet<Map.Entry<String, JsonElement>>();
+ properties.addAll(propertiesFromRequest.getAsJsonObject().entrySet());
+
+ Set<String> propertyKeys = new HashSet<String>();
+ for(Map.Entry<String, JsonElement> property : properties) {
+ propertyKeys.add(property.getKey());
+ }
+
+ if(!propertyKeys.contains(AAIProperties.LAST_MOD_SOURCE_OF_TRUTH)) {
+ properties.add(new AbstractMap.SimpleEntry<String, JsonElement>(AAIProperties.LAST_MOD_SOURCE_OF_TRUTH,
+ (JsonElement)(new JsonPrimitive(sourceOfTruth))));
+ }
+
+ if(isAdd && !propertyKeys.contains(AAIProperties.SOURCE_OF_TRUTH)) {
+ properties.add(new AbstractMap.SimpleEntry<String, JsonElement>(AAIProperties.SOURCE_OF_TRUTH,
+ (JsonElement)(new JsonPrimitive(sourceOfTruth))));
+ }
+
+ Object[] propArray = properties.toArray();
+ StringBuilder sb = new StringBuilder();
+ sb.append("{");
+ boolean first=true;
+ for(int i=0; i<propArray.length; i++) {
+
+ Map.Entry<String, JsonElement> entry = (Entry<String, JsonElement>) propArray[i];
+ if(!first) {
+ sb.append(",");
+ }
+ sb.append("\"").append(entry.getKey()).append("\"").append(":").append(entry.getValue());
+ first=false;
+ }
+ sb.append("}");
+
+ return gson.fromJson(sb.toString(), JsonElement.class);
+ }
+