[camel] 01/02: CAMEL-17762: avoid unnecessary array copies

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orpiske pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/camel.git

commit ee53649a5d56e72d8766e7d7615e745300e68f9e
Author: Otavio Rodolfo Piske <an...@gmail.com>
AuthorDate: Mon Mar 14 18:32:15 2022 +0100

    CAMEL-17762: avoid unnecessary array copies
---
 core/camel-api/src/main/java/org/apache/camel/ResumableSet.java | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/core/camel-api/src/main/java/org/apache/camel/ResumableSet.java b/core/camel-api/src/main/java/org/apache/camel/ResumableSet.java
index 4e4693d..4f82216 100644
--- a/core/camel-api/src/main/java/org/apache/camel/ResumableSet.java
+++ b/core/camel-api/src/main/java/org/apache/camel/ResumableSet.java
@@ -17,6 +17,7 @@
 
 package org.apache.camel;
 
+import java.lang.reflect.Array;
 import java.util.Arrays;
 import java.util.function.Predicate;
 
@@ -30,8 +31,8 @@ public interface ResumableSet<T> {
      * @return
      */
     default T[] resumeEach(T[] input, Predicate<T> resumableCheck) {
-
-        T[] tmp = Arrays.copyOf(input, input.length);
+        @SuppressWarnings("unchecked")
+        T[] tmp = (T[]) Array.newInstance(input.getClass().getComponentType(), input.length);
         int count = 0;
 
         for (T entry : input) {
@@ -41,7 +42,7 @@ public interface ResumableSet<T> {
             }
         }
 
-        if (count != input.length) {
+        if (count > 0 && count != input.length) {
             return Arrays.copyOf(tmp, count);
         }