return optionally replaced attribute

gmuth · Dec 20, 2024 · edf8ea9 · edf8ea9
1 parent 4664497
commit edf8ea9
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/main/kotlin/de/gmuth/ipp/core/IppAttributesGroup.kt b/src/main/kotlin/de/gmuth/ipp/core/IppAttributesGroup.kt
@@ -30,19 +30,19 @@ class IppAttributesGroup(val tag: IppTag) : LinkedHashMap<String, IppAttribute<*
         require(tag.isGroupTag(), { "'$tag' is not a group tag" })
     }
 
-    fun put(attribute: IppAttribute<*>) {
+    fun put(attribute: IppAttribute<*>) =
         if (containsKey(attribute.name)) {
             if (replaceEnabled) { // some implementations do not follow the IPP specification
                 put(attribute.name, attribute).also {
                     logger.fine { "$name: '$it' replaced with '${attribute.values.joinToString(",")}'" }
                 }
             } else {
                 logger.fine { "Ignored replacement attribute: $attribute" }
+                null
             }
         } else {
             put(attribute.name, attribute)
         }
-    }
 
     fun attribute(name: String, tag: IppTag, vararg values: Any) =
         IppAttribute(name, tag, values.toList()).also { put(it) }