Re: [PR] RAT-384: write xsd (RAT-384 part 2) (Harmonize - Part 5) [creadur-rat]

["ottlinger (via GitHub)" <gi...@apache.org>]

ottlinger commented on code in PR #301:
URL: https://github.com/apache/creadur-rat/pull/301#discussion_r1760310804


##########
apache-rat-core/src/main/java/org/apache/rat/help/AbstractHelp.java:
##########
@@ -78,4 +80,98 @@ public static String createPadding(final int len) {
     public static String header(final String txt) {
         return String.format("%n====== %s ======%n", WordUtils.capitalizeFully(txt));
     }
+
+    public class RatHelpFormatter extends HelpFormatter {
+
+        RatHelpFormatter() {
+            super();
+            this.optionComparator = OptionCollection.optionComparator;
+            this.setWidth(HELP_WIDTH);
+        }
+
+        public void printHelp(final PrintWriter pw, final String cmdLineSyntax, final String header, final Options options, final String footer) {
+            if (StringUtils.isEmpty(cmdLineSyntax)) {
+                throw new IllegalArgumentException("cmdLineSyntax not provided");
+            }
+
+            helpFormatter.printUsage(pw, HELP_WIDTH, cmdLineSyntax);
+
+            if (header != null && !header.isEmpty()) {
+                helpFormatter.printWrapped(pw, HELP_WIDTH, header);
+            }
+            printOptions(pw, HELP_WIDTH, options, helpFormatter.getLeftPadding(), helpFormatter.getDescPadding());
+            if (footer != null && !footer.isEmpty()) {
+                helpFormatter.printWrapped(pw, helpFormatter.getWidth(), footer);
+            }
+        }
+
+
+        protected StringBuffer renderOptions(final StringBuffer sb, final int width, final Options options, final int leftPad, final int descPad) {

Review Comment:
   Isn't StringBuilder due to performance issues a better choice here?



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