下面列出了org.apache.commons.cli.HelpFormatter#printOptions ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private static void printUsage ()
{
out.println ();
out.println ( "\n\n *** Rdf2Neo, the RDF-to-Neo4j converter ***" );
out.println ( "\nConverts data from a Jena TDB database into Neo4J data" );
out.println ( "\nSyntax:" );
out.println ( "\n\trdf2neo.sh [options] <TDB path>" );
out.println ( "\nOptions:" );
HelpFormatter helpFormatter = new HelpFormatter ();
PrintWriter pw = new PrintWriter ( out, true );
helpFormatter.printOptions ( pw, 100, getOptions (), 2, 4 );
out.println ( "\n\n" );
exitCode = 1;
}
private void dumpUsage(PrintStream output) {
final String cmdName = "dumpapp";
HelpFormatter formatter = new HelpFormatter();
output.println("Usage: " + cmdName + " [options] <plugin> [plugin-options]");
PrintWriter writer = new PrintWriter(output);
try {
formatter.printOptions(
writer,
formatter.getWidth(),
mGlobalOptions.options,
formatter.getLeftPadding(),
formatter.getDescPadding());
} finally {
writer.flush();
}
}
private void dumpUsage(PrintStream output) {
final String cmdName = "dumpapp";
HelpFormatter formatter = new HelpFormatter();
output.println("Usage: " + cmdName + " [options] <plugin> [plugin-options]");
PrintWriter writer = new PrintWriter(output);
try {
formatter.printOptions(
writer,
formatter.getWidth(),
mGlobalOptions.options,
formatter.getLeftPadding(),
formatter.getDescPadding());
} finally {
writer.flush();
}
}
/**
* Prints out the usage to stderr.
*/
public static void help() {
System.err.println("Usage: pubsub-sample.[sh|bat] [options] arguments");
HelpFormatter formatter = new HelpFormatter();
PrintWriter writer = new PrintWriter(System.err);
formatter.printOptions(writer, 80, options, 2, 2);
writer.print("Available arguments are:\n"
+ "PROJ list_topics\n"
+ "PROJ create_topic TOPIC\n"
+ "PROJ delete_topic TOPIC\n"
+ "PROJ list_subscriptions\n"
+ "PROJ create_subscription SUBSCRIPTION LINKED_TOPIC "
+ "[PUSH_ENDPOINT]\n"
+ "PROJ delete_subscription SUBSCRIPTION\n"
+ "PROJ connect_irc TOPIC SERVER CHANNEL\n"
+ "PROJ publish_message TOPIC MESSAGE\n"
+ "PROJ pull_messages SUBSCRIPTION\n"
);
writer.close();
}
public static void showUsage(HelpFormatter format, PrintWriter err, String name, Command command) {
Options options = mergeOptions(OPTIONS, command.getOptions());
String[] usage = command.getUsageDescription();
String ustr = name + " [option...]";
if (usage != null && usage.length >= 1) {
ustr = ustr + " " + usage[0];
}
format.printWrapped(err, WIDTH, name + ":\n" + command.getCommandDescription());
format.printUsage(err, WIDTH, ustr);
format.printWrapped(err, WIDTH, LEFT_PAD, "where option is one of:");
format.printOptions(err, WIDTH, options, LEFT_PAD, DESC_PAD);
if (usage != null && usage.length >= 2) {
for (int i = 1; i < usage.length; ++i) {
format.printWrapped(err, WIDTH, LEFT_PAD, usage[i]);
}
}
}
public static void showUsage(HelpFormatter format, PrintWriter err, String name, Command command) {
Options options = mergeOptions(OPTIONS, command.getOptions());
String[] usage = command.getUsageDescription();
String ustr = name + " [option...]";
if (usage != null && usage.length >= 1) {
ustr = ustr + " " + usage[0];
}
format.printUsage(err, WIDTH, ustr);
format.printWrapped(err, WIDTH, LEFT_PAD, "where option is one of:");
format.printOptions(err, WIDTH, options, LEFT_PAD, DESC_PAD);
if (usage != null && usage.length >= 2) {
for (int i = 1; i < usage.length; ++i) {
format.printWrapped(err, WIDTH, LEFT_PAD, usage[i]);
}
}
}
@Override
void printUsage(String cmd)
{
super.printUsage(cmd + ((options == null) ? "" : " [options]"));
if (options != null) {
System.out.println("Options:");
HelpFormatter formatter = new HelpFormatter();
PrintWriter pw = new PrintWriter(System.out);
formatter.printOptions(pw, 80, options, 4, 4);
pw.flush();
}
}
static void handleHelpOption(String commandName, String header, String args, Options options) {
String exitCodes = format(
" %d The request completed successfully.\n"
+ " %d The request did not complete successfully and\n"
+ " no more specific return code as defined below applies.\n"
+ " %d Wrong credentials.\n"
+ " %d Intentionally used by --return-code option in order to\n"
+ " indicate 'false'. Only available for commands providing\n"
+ " the --return-code option.",
ExitException.ExitCodes.OK,
ExitException.ExitCodes.GENERIC_FAILURE,
ExitException.ExitCodes.NOT_AUTHENTIFICATED,
ExitException.ExitCodes.FALSE);
String commonOpts;
HelpFormatter formatter = new HelpFormatter();
try( StringWriter commonOptions = new StringWriter();
PrintWriter pw = new PrintWriter(commonOptions);) {
formatter.printOptions(pw, formatter.getWidth(), Command.addOpts(new Options()), formatter.getLeftPadding(), formatter.getDescPadding());
commonOpts = commonOptions.toString();
} catch(IOException e) {
throw new RuntimeException(e);
}
String footer = format("%nCOMMON OPTIONS:%n%s%nEXIT CODES%n%s", commonOpts, exitCodes);
formatter.printHelp(
format("<CMD> [COMMON_OPTIONS] %s [SUBCOMMAND_OPTIONS] %s%n%n",
commandName,
args != null ? args : ""),
format("SUBCOMMAND OPTIONS:%n",header), options, footer);
}
/**
* Print the help to the specified PrintWriter, using the specified
* help formatter.
* @param formatter the HelpFormatter to use.
* @param pw the PrintWriter to emit to.
*/
public void printHelp(HelpFormatter formatter, PrintWriter pw) {
boolean first = true;
for (RelatedOptions optGroup : optGroups) {
if (!first) {
pw.println("");
}
pw.println(optGroup.getTitle() + ":");
formatter.printOptions(pw, formatter.getWidth(), optGroup, 0, 4);
first = false;
}
}
public void printHelp(String application) {
PrintWriter writer = new PrintWriter(System.out);
HelpFormatter formatter = new HelpFormatter();
writer.println(String.format("Usage: %s [params]", application));
writer.println();
writer.println("Options");
formatter.printOptions(writer, 128, options, 4, 4);
writer.println();
writer.flush();
}
private void printHelp() {
PrintWriter writer = new PrintWriter(System.out);
HelpFormatter formatter = new HelpFormatter();
Options common = new Options();
appendDefaultOptions(common);
Options connectivity = new Options();
appendConnectivityOptions(connectivity);
writer.println("Usage: TitusCLI <cmd> -H <host> [-p <port>] [cmd options] [params]");
writer.println();
writer.println("Common options:");
formatter.printOptions(writer, 128, common, 4, 4);
writer.println();
writer.println("Connectivity options:");
formatter.printOptions(writer, 128, connectivity, 4, 4);
writer.println();
writer.println("Available commands:");
writer.println();
for (Map.Entry<String, CliCommand> entry : getCommands().entrySet()) {
CliCommand cliCmd = entry.getValue();
writer.println(entry.getKey() + " (" + cliCmd.getDescription() + ')');
formatter.printOptions(writer, 128, cliCmd.getOptions(), 4, 4);
}
writer.flush();
}
@Override
public void printHelpExtra(PrintStream out, List args)
{
HelpFormatter formatter = new HelpFormatter();
PrintWriter writer = new PrintWriter(out);
writer.println("> -----");
writer.println(getCommandDescriptions());
// formatter.printHelp(writer, 80, getCommandDescriptions(), ">>>", getOptions(), 4, 4, ">>>", true);
formatter.printOptions(writer, 80, getOptions(), 4, 4);
writer.println("> -----");
writer.flush();
}
@Override
void printUsage(String cmd)
{
super.printUsage(cmd + ((options == null) ? "" : " [options]"));
if (options != null) {
System.out.println("Options:");
HelpFormatter formatter = new HelpFormatter();
PrintWriter pw = new PrintWriter(System.out);
formatter.printOptions(pw, 80, options, 4, 4);
pw.flush();
}
}
protected static final void printHelp (final Options options, final String message) {
if (message != null) System.err.println(message);
final HelpFormatter help = new HelpFormatter();
final PrintWriter pw = new PrintWriter(System.out);
help.printWrapped(pw, HelpFormatter.DEFAULT_WIDTH, "The available options are:");
help.printOptions(pw, HelpFormatter.DEFAULT_WIDTH, options, HelpFormatter.DEFAULT_LEFT_PAD, HelpFormatter.DEFAULT_DESC_PAD);
help.printWrapped(pw, HelpFormatter.DEFAULT_WIDTH, "\nPlease report issues at http://www.github.com/boalang/compiler");
pw.flush();
}
public void printHelp() {
HelpFormatter formatter = new HelpFormatter();
formatter.printOptions(getIo().out, formatter.getWidth(), this, 0, 4);
}
private static void help(final boolean printHeader) {
// Here we are using commons-cli to create the list of available commands
// We actually use a different Options object to parse the 'openejb' command
try {
final Options options = new Options();
final ResourceFinder commandFinder = new ResourceFinder("META-INF");
final Map<String, Properties> commands = commandFinder.mapAvailableProperties("org.apache.openejb.cli");
for (final Map.Entry<String, Properties> command : commands.entrySet()) {
if (command.getKey().contains(".")) {
continue;
}
final Properties p = command.getValue();
final String description = p.getProperty(descriptionI18n, p.getProperty(descriptionBase));
options.addOption(command.getKey(), false, description);
}
final HelpFormatter formatter = new HelpFormatter();
final StringWriter sw = new StringWriter();
final PrintWriter pw = new PrintWriter(sw);
final String syntax = "openejb <command> [options] [args]";
final String header = "\nAvailable commands:";
final String footer = "\n" +
"Try 'openejb <command> --help' for help on a specific command.\n" +
"For example 'openejb deploy --help'.\n" +
"Important: to display exceptions while running commands, add -e option.\n" +
"\n" +
"Apache OpenEJB -- EJB Container System and Server.\n" +
"For additional information, see http://tomee.apache.org\n" +
"Bug Reports to <[email protected]>";
if (!printHeader) {
pw.append(header).append("\n\n");
formatter.printOptions(pw, 74, options, 1, 3);
} else {
formatter.printHelp(pw, 74, syntax, header, options, 1, 3, footer, false);
}
pw.flush();
// Fix up the commons-cli output to our liking.
String text = sw.toString().replaceAll("\n -", "\n ");
text = text.replace("\nApache OpenEJB", "\n\nApache OpenEJB");
System.out.print(text);
} catch (final IOException e) {
e.printStackTrace();
}
}