[commons-cli] branch master updated: Use empty array. (#61)

[ggregory]

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ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-cli.git


The following commit(s) were added to refs/heads/master by this push:
     new bd39a1c  Use empty array. (#61)
bd39a1c is described below

commit bd39a1c9cfb3ee394791f7e015a3045d042c01ba
Author: Arturo Bernal <arturobern...@gmail.com>
AuthorDate: Wed Oct 6 14:15:16 2021 +0200

    Use empty array. (#61)
---
 src/main/java/org/apache/commons/cli/GnuParser.java   | 2 +-
 src/main/java/org/apache/commons/cli/PosixParser.java | 2 +-
 src/main/java/org/apache/commons/cli/Util.java        | 6 ++++++
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/apache/commons/cli/GnuParser.java 
b/src/main/java/org/apache/commons/cli/GnuParser.java
index 7088c55..4126352 100644
--- a/src/main/java/org/apache/commons/cli/GnuParser.java
+++ b/src/main/java/org/apache/commons/cli/GnuParser.java
@@ -85,6 +85,6 @@ public class GnuParser extends Parser {
             }
         }
 
-        return tokens.toArray(new String[tokens.size()]);
+        return tokens.toArray(Util.EMPTY_STRING_ARRAY);
     }
 }
diff --git a/src/main/java/org/apache/commons/cli/PosixParser.java 
b/src/main/java/org/apache/commons/cli/PosixParser.java
index 7d7838f..b304668 100644
--- a/src/main/java/org/apache/commons/cli/PosixParser.java
+++ b/src/main/java/org/apache/commons/cli/PosixParser.java
@@ -176,7 +176,7 @@ public class PosixParser extends Parser {
             gobble(iter);
         }
 
-        return tokens.toArray(new String[tokens.size()]);
+        return tokens.toArray(Util.EMPTY_STRING_ARRAY);
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/cli/Util.java 
b/src/main/java/org/apache/commons/cli/Util.java
index 7e44fbb..de52265 100644
--- a/src/main/java/org/apache/commons/cli/Util.java
+++ b/src/main/java/org/apache/commons/cli/Util.java
@@ -21,6 +21,12 @@ package org.apache.commons.cli;
  * Contains useful helper methods for classes within this package.
  */
 final class Util {
+
+    /**
+     * An empty immutable {@code String} array.
+     */
+    static final String[] EMPTY_STRING_ARRAY = new String[0];
+
     /**
      * Remove the leading and trailing quotes from {@code str}. E.g. if str is 
'"one two"', then 'one two' is returned.
      *