Using Files.writeString on JRE 11 to append files

Author: mkarg

src/main/java11/org/codehaus/plexus/util/BaseFileUtils.java

@@ -4,6 +4,7 @@
 import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
 
 /**
  * Implementation specific to Java SE 11 version.
@@ -26,4 +27,17 @@ static void fileWrite( Path path, String encoding, String data ) throws IOExcept
             Files.writeString( path, data );
         }
     }
+
+    static void fileAppend( Path path, String encoding, String data ) throws IOException
+    {
+        if ( encoding != null )
+        {
+            Files.writeString( path, data, Charset.forName( encoding ),
+                StandardOpenOption.APPEND, StandardOpenOption.CREATE );
+        }
+        else
+        {
+            Files.writeString( path, data,StandardOpenOption.APPEND, StandardOpenOption.CREATE );
+        }
+    }
 }