nfsantos commented on code in PR #1511:
URL: https://github.com/apache/jackrabbit-oak/pull/1511#discussion_r1632869189


##########
oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/json/JsopBuilder.java:
##########
@@ -275,6 +278,34 @@ public static String encode(String s) {
         return '\"' + s + '\"';
     }
 
+    /**
+     * Similar to #encode(String) but appends the result to the given buffer. 
This method exists to avoid the allocation
+     * of intermediate objects to represent the encoded String when the caller 
already has a buffer where the result
+     * should be appended.
+     *
+     * @param s the text to convert
+     * @param buff the target buffer
+     * @return the target buffer with the encoded string appended
+     */
+    private static StringBuilder encode(String s, StringBuilder buff) {
+        if (s == null) {
+            return buff.append("null");
+        }
+        int length = s.length();
+        if (length == 0) {
+            return buff.append("\"\"");

Review Comment:
   As this method is a variation of `StringBuilder encode(String s)`, I kept it 
as close as possible to the other method with only the changes needed to use an 
existing `StringBuilder`, without doing any stylist changes, as this seems to 
be outside the scope of this PR.



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