[wicket] branch master updated: WICKET-6964 Do not allocate when escaping empty string (#502)

[theigl]

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theigl pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/wicket.git


The following commit(s) were added to refs/heads/master by this push:
     new 28cda68  WICKET-6964 Do not allocate when escaping empty string (#502)
28cda68 is described below

commit 28cda68f6e589b4a1d74536fd67c0bc570ebce6e
Author: Thomas Heigl <thomas.he...@gmail.com>
AuthorDate: Tue Mar 22 10:20:07 2022 +0100

    WICKET-6964 Do not allocate when escaping empty string (#502)
---
 .../src/main/java/org/apache/wicket/util/string/Strings.java       | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git 
a/wicket-util/src/main/java/org/apache/wicket/util/string/Strings.java 
b/wicket-util/src/main/java/org/apache/wicket/util/string/Strings.java
index ee88c4b..384ec24 100755
--- a/wicket-util/src/main/java/org/apache/wicket/util/string/Strings.java
+++ b/wicket-util/src/main/java/org/apache/wicket/util/string/Strings.java
@@ -296,7 +296,12 @@ public final class Strings
                        return null;
                }
 
-               int len = s.length();
+               final int len = s.length();
+               if (len == 0)
+               {
+                       return s;
+               }
+
                final AppendingStringBuffer buffer = new 
AppendingStringBuffer((int)(len * 1.1));
 
                for (int i = 0; i < len; i++)