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A command line parser for Java

There is a newer version: 6.10.4

package com.codetaco.cli.impl.usage;

import com.codetaco.cli.impl.CmdLineImpl;
import com.codetaco.cli.impl.ICmdLine;
import com.codetaco.cli.impl.type.AbstractCLA;
import com.codetaco.cli.impl.type.ICmdLineArg;

/**
 * 
 * UsageBuilderLevel2 class.
 * 
 *
 * @author Chris DeGreef [email protected]
 * @since 4.3.4
 */
public class UsageBuilderLevel2 extends UsageBuilderLevel1 {
    /**
     * 
     * Constructor for UsageBuilderLevel2.
     * 
     */
    public UsageBuilderLevel2() {
        super();
    }

    /**
     * {@inheritDoc}
     *
     * 
     * usageDetail.
     * 
     */
    @Override
    public void usageDetail(
      final char commandPrefix,
      final ICmdLineArg arg,
      final int _indentLevel) {
        nameIt(commandPrefix, arg);
        final String help = ((AbstractCLA) arg).getHelp();
        if (help != null && help.trim().length() > 0) {
            allign(29);
            append(help);
            unallign();
            newLine();
        }
    }

    /**
     * @param commandPrefix
     * @param icmdLine
     * @param indentLevel
     */
    @Override
    void usageHeader(
      final char commandPrefix,
      final ICmdLine icmdLine,
      final int indentLevel) {
        final CmdLineImpl commandLineParser = (CmdLineImpl) icmdLine;

        if (commandLineParser.getName() != null) {
            append(commandLineParser.getName());
            newLine(indentLevel);
            newLine();
        }
    }
}