Examples of org.apache.commons.cli2.HelpLine.usage()

org.apache.commons.cli2.HelpLine.usage()
Builds a usage string for the option using the specified settings and comparator. @param helpSettings the settings to apply @param comparator a comparator to sort options when applicable @return the usage string

        // calculate the maximum width of the usage strings
        int usageWidth = 0;


        for (final Iterator i = helpLines.iterator(); i.hasNext();) {
            final HelpLine helpLine = (HelpLine) i.next();
            final String usage = helpLine.usage(getLineUsageSettings(), getComparator());
            usageWidth = Math.max(usageWidth, usage.length());
        }


        // build a blank string to pad wrapped descriptions
        final StringBuffer blankBuffer = new StringBuffer();

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            final List descList = wrap(helpLine.getDescription(), descriptionWidth);
            final Iterator descriptionIterator = descList.iterator();


            // display usage + first line of description
            printGutterLeft();
            pad(helpLine.usage(getLineUsageSettings(), getComparator()), usageWidth, out);
            out.print(getGutterCenter());
            pad((String) descriptionIterator.next(), descriptionWidth, out);
            printGutterRight();
            out.println();

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        // calculate the maximum width of the usage strings
        int usageWidth = 0;


        for (final Iterator i = helpLines.iterator(); i.hasNext();) {
            final HelpLine helpLine = (HelpLine) i.next();
            final String usage = helpLine.usage(lineUsageSettings, comparator);
            usageWidth = Math.max(usageWidth, usage.length());
        }


        // build a blank string to pad wrapped descriptions
        final StringBuffer blankBuffer = new StringBuffer();

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            final List descList = wrap(helpLine.getDescription(), descriptionWidth);
            final Iterator descriptionIterator = descList.iterator();


            // display usage + first line of description
            printGutterLeft();
            pad(helpLine.usage(lineUsageSettings, comparator), usageWidth, out);
            out.print(gutterCenter);
            pad((String) descriptionIterator.next(), descriptionWidth, out);
            printGutterRight();
            out.println();

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