org.apache.commons.cli.Option#hasLongOpt ( )源码实例Demo

private void logOptions(String sectionName, String prefix, Options options)
{
    if ( sectionName != null )
    {
        log.info("== " + sectionName + " ==");
    }

    //noinspection unchecked
    for ( Option option : (Iterable<? extends Option>)options.getOptions() )
    {
        if ( option.hasLongOpt() )
        {
            if ( option.hasArg() )
            {
                log.info(prefix + option.getLongOpt() + " <arg> - " + option.getDescription());
            }
            else
            {
                log.info(prefix + option.getLongOpt() + " - " + option.getDescription());
            }
        }
    }
}
 

@SuppressWarnings("unchecked")
@Override
protected StringBuffer renderOptions(final StringBuffer sb, final int width, final Options options, final int leftPad, final int descPad) {
	final String lpad = this.createPadding(leftPad);
	final String dpad = this.createPadding(8); // we use a fixed value instead of descPad

	StringBuilder optBuf;

	final List<Option> optList = new ArrayList<Option>(options.getOptions());
	Collections.sort(optList, this.getOptionComparator());

	for (final Iterator<Option> i = optList.iterator(); i.hasNext();) {
		final Option option = i.next();

		optBuf = new StringBuilder(8);

		if (option.getOpt() == null) {
			optBuf.append(lpad).append("   ").append(this.getLongOptPrefix()).append(option.getLongOpt());
		} else {
			optBuf.append(lpad).append(this.getOptPrefix()).append(option.getOpt());

			if (option.hasLongOpt()) {
				optBuf.append(',').append(this.getLongOptPrefix()).append(option.getLongOpt());
			}
		}

		if (option.hasArg()) {
			if (option.hasArgName()) {
				optBuf.append(" <").append(option.getArgName()).append('>');
			} else {
				optBuf.append(' ');
			}
		}

		sb.append(optBuf.toString()).append(this.getNewLine());

		optBuf = new StringBuilder();
		optBuf.append(dpad);

		if (option.getDescription() != null) {
			optBuf.append(option.getDescription());
		}

		this.renderWrappedText(sb, width, dpad.length(), optBuf.toString());

		if (i.hasNext()) {
			sb.append(this.getNewLine());
			sb.append(this.getNewLine());
		}
	}

	return sb;
}
 

public String opt(Option option) {
    return option.hasLongOpt()
            ? option.getLongOpt()
            : option.getOpt();
}
 

/** Render the option help to a Markdown table.
 *
 * @param options the options.
 * @return the markdown table.
 */
protected static String _renderToMarkdown(Options options) {
	if (options == null) {
		return ""; //$NON-NLS-1$
	}
	final List<Option> optList = new ArrayList<>(options.getOptions());
	if (optList.isEmpty()) {
		return ""; //$NON-NLS-1$
	}
	Collections.sort(optList, new OptionComparator());

	final StringBuilder buffer = new StringBuilder();
	for (final Option option : optList) {
		buffer.append("| `"); //$NON-NLS-1$
		if (option.getOpt() == null) {
			buffer.append(DEFAULT_LONG_OPT_PREFIX).append(option.getLongOpt());
		} else {
			buffer.append(DEFAULT_OPT_PREFIX).append(option.getOpt());
			if (option.hasLongOpt()) {
				buffer.append("`, `"); //$NON-NLS-1$
				buffer.append(DEFAULT_LONG_OPT_PREFIX).append(option.getLongOpt());
			}
		}

		if (option.hasArg()) {
			if (option.hasArgName()) {
				buffer.append(" <").append(option.getArgName()).append(">"); //$NON-NLS-1$ //$NON-NLS-2$
			}
		}

		buffer.append("` | "); //$NON-NLS-1$

		if (option.getDescription() != null) {
			String text = option.getDescription().replaceAll("[ \t\n\r\f]+", " "); //$NON-NLS-1$ //$NON-NLS-2$
			text = text.replaceAll("\\<", "&lt;");  //$NON-NLS-1$//$NON-NLS-2$
			text = text.replaceAll("\\>", "&gt;");  //$NON-NLS-1$//$NON-NLS-2$
			buffer.append(text);
		}

		buffer.append(" |\n"); //$NON-NLS-1$
	}

	return buffer.toString();
}