[maven-docck-plugin] 01/01: Made use of Java 8 code for creating a singletonList

[ma...@apache.org]

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martinkanters pushed a commit to branch httpclient5-java-8-fix
in repository https://gitbox.apache.org/repos/asf/maven-docck-plugin.git

commit ab5588ce05b89d434980ff07c3e1bcd66468d967
Author: Martin Kanters <ma...@apache.org>
AuthorDate: Fri May 14 10:34:11 2021 +0200

    Made use of Java 8 code for creating a singletonList
---
 .../org/apache/maven/plugin/docck/AbstractCheckDocumentationMojo.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/apache/maven/plugin/docck/AbstractCheckDocumentationMojo.java b/src/main/java/org/apache/maven/plugin/docck/AbstractCheckDocumentationMojo.java
index 81d02f5..a6fa77b 100644
--- a/src/main/java/org/apache/maven/plugin/docck/AbstractCheckDocumentationMojo.java
+++ b/src/main/java/org/apache/maven/plugin/docck/AbstractCheckDocumentationMojo.java
@@ -61,6 +61,8 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
+import static java.util.Collections.singletonList;
+
 /**
  * Performs the heavy lifting for documentation checks. This is designed to be
  * reused for other types of projects, too.
@@ -129,7 +131,7 @@ public abstract class AbstractCheckDocumentationMojo
                       .setResponseTimeout( Timeout.ofSeconds( 5 ) )
                       .setCookieSpec( StandardCookieSpec.STRICT )
                       .build() )
-              .setDefaultHeaders( List.of( new BasicHeader( HttpHeaders.USER_AGENT, httpUserAgent ) ) );
+              .setDefaultHeaders( singletonList( new BasicHeader( HttpHeaders.USER_AGENT, httpUserAgent ) ) );
 
         setupProxy( httpClientBuilder );