Java CmdLineException.printStackTrace方法代碼示例

import org.kohsuke.args4j.CmdLineException; //導入方法依賴的package包/類
public static void main(String[] args) throws ClassNotFoundException {

        // https://martin-thoma.com/how-to-parse-command-line-arguments-in-java/
        EBoardRender.Config config = new EBoardRender.Config();

        CmdLineParser parser = new CmdLineParser(  config );
        try {
            parser.parseArgument(args);
        } catch (CmdLineException e) {
            e.printStackTrace();
        }

        Configuration conf = Configuration.getInstance(config.getConfig());
            String command = conf.getCommand().trim().toUpperCase();
            CommandHandler commandHandler = conf.getCommandHandlerFactory().getCommandHandler(command);
            commandHandler.execute(conf);
    }
 

import org.kohsuke.args4j.CmdLineException; //導入方法依賴的package包/類
/**
 * This method will use args4j to parse the provided arguments and
 * will store information about the actor temporary.
 *
 * @param messageEvent The MessageEvent triggering this command.
 * @return True, if parsing was successful. False, if the parsing failed because of missing required arguments, ...
 */
public boolean parseArguments(ChannelMessageEvent messageEvent) {
	// Save Actor
	setActor(messageEvent.getUser());

	// Parse Arguments
	CmdLineParser parser = new CmdLineParser(this);

	// Disable parsing @ as files (is used to mention users)
	parser.getProperties().withAtSyntax(false);

	try {
		// Parse the arguments.
		parser.parseArgument(messageEvent.getMessage().split(" "));
		setParsedContent(getCommandContent(messageEvent));

		// Remove the Command from the parsedArguments
		getParsedArguments().remove(0);

	} catch (CmdLineException ex) {
		ex.printStackTrace();

		// Invalid Command Usage - Trigger Help?
		return false;
	}

	return true;
}
 

import org.kohsuke.args4j.CmdLineException; //導入方法依賴的package包/類
public static void main(String ... args) {
    VennDrawCLI vennDrawCLI = new VennDrawCLI();
    CmdLineParser parser = new CmdLineParser(vennDrawCLI);

    boolean showHelp = false;

    if (args.length == 0) showHelp = true;

    if (args.length == 1)
        if (args[0].equals("-h") || args[0].equals("--help") || args[0].equals("-v") || args[0].equals("--version") || args[0].equals("-?"))
            showHelp = true;

    if (!showHelp) {
        try {
            parser.parseArgument(args);
            vennDrawCLI.run();
        } catch (CmdLineException e) {
            e.printStackTrace();
            showHelp = true;
        }
    }

    if (showHelp) {
        System.out.println("VennDraw " + VersionResolver.getVersion());
        System.out.println("Git Commit: " + VersionResolver.getGitCommit());
        System.out.println("Build Date: " + VersionResolver.getBuildDate());
        System.out.println("\n");
        System.out.print("venndraw ");
        parser.printSingleLineUsage(System.out);
        System.out.println();
        System.out.println();
        parser.printUsage(System.out);
    }
}
 

import org.kohsuke.args4j.CmdLineException; //導入方法依賴的package包/類
public static CmdLineParser parseArgs(String[] args, Object t) {
    CmdLineParser parser = new CmdLineParser(t);
    try {
        parser.parseArgument(args);
    } catch (CmdLineException e) {
        e.printStackTrace();
        System.err.println(e.getMessage());
        parser.printUsage(System.err);
        System.err.println();
        System.exit(1);
    }
    return parser;
}
 

import org.kohsuke.args4j.CmdLineException; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception {
  ServerConfiguration configuration = new ServerConfiguration();
  CmdLineParser parser = new CmdLineParser(configuration);
  try {
    parser.parseArgument(args);
  } catch (CmdLineException e) {
    e.printStackTrace(System.err);
    printUsage(parser);
    return;
  }
  runServer(configuration);
}