Examples of org.jnode.shell.CommandInfo

org.jnode.shell.CommandInfo
A CommandInfo object is a descriptor used by the CommandShell and CommandInvokers to hold information about a command that is being prepared for execution. There are two basic types of command's that can be described. The first type is a JNode command that implements {@link Command} by extending {@link AbstractCommand}. The other type is generally refered to as a 'classic Java' command, and refers to command that is executed via its {@code main} method. This type of command may havean associated bare command definition in its descriptor. If such a descriptor was supplied, an instance of this class will contain the {@link org.jnode.shell.syntax.ArgumentBundle}for the command. @author Ewout Prangsma (epr@users.sourceforge.net) @author crawley@jnode.org @author chris boertien

    public void testOptionalMultiArgument() throws Exception {
        TestShell shell = new TestShell();
        shell.addAlias("cmd", "org.jnode.test.shell.syntax.ArgumentMultiplicityTest$OptionalMulti");
        shell.addSyntax("cmd", new RepeatSyntax(new ArgumentSyntax("arg1")));
        CommandLine cl = new CommandLine(new Token("cmd"), new Token[] {new Token("F1")}, null);
        CommandInfo cmdInfo = cl.parseCommandLine(shell);
        Command cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals("F1", cmd.getArgumentBundle().getArgument("arg1").getValue().toString());


        cl = new CommandLine(new Token("cmd"), new Token[] {}, null);
        cmdInfo = cl.parseCommandLine(shell);

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    public void testMandatoryMultiArgument() throws Exception {
        TestShell shell = new TestShell();
        shell.addAlias("cmd", "org.jnode.test.shell.syntax.ArgumentMultiplicityTest$MandatoryMulti");
        shell.addSyntax("cmd", new RepeatSyntax(new ArgumentSyntax("arg1")));
        CommandLine cl = new CommandLine(new Token("cmd"), new Token[] {new Token("F1")}, null);
        CommandInfo cmdInfo = cl.parseCommandLine(shell);
        Command cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals("F1", cmd.getArgumentBundle().getArgument("arg1").getValue().toString());


        try {
            cl = new CommandLine(new Token("cmd"), new Token[] {}, null);
            cl.parseCommandLine(shell);

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        shell.addAlias("cmd", "org.jnode.test.shell.syntax.AlternativesSyntaxTest$Test");
        shell.addSyntax("cmd", new AlternativesSyntax(new OptionSyntax("intArg", 'i'),
                new OptionSyntax("fileArg", 'f'), new OptionSyntax("flagArg", "xxx")));


        CommandLine cl;
        CommandInfo cmdInfo;
        Command cmd;


        try {
            cl = new CommandLine(new Token("cmd"), new Token[] {}, null);
            cmdInfo = cl.parseCommandLine(shell);
            Assert.fail("no exception");
        } catch (CommandSyntaxException ex) {
            // expected
        }


        cl =
                new CommandLine(new Token("cmd"), new Token[] {new Token("-f"), new Token("F1")},
                        null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals("F1", cmd.getArgumentBundle().getArgument("fileArg").getValue()
                .toString());
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("intArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("flagArg").getValues().length);


        cl =
                new CommandLine(new Token("cmd"), new Token[] {new Token("-i"), new Token("41")},
                        null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("intArg").getValues().length);
        Assert.assertEquals("41", cmd.getArgumentBundle().getArgument("intArg").getValue()
                .toString());
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("flagArg").getValues().length);


        cl = new CommandLine(new Token("cmd"), new Token[] {new Token("--xxx")}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("intArg").getValues().length);
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("flagArg").getValues().length);


        try {

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        TestShell shell = new TestShell();
        shell.addAlias("command", "org.jnode.test.shell.syntax.ArgumentTypesTest$TestEnumCommand");
        shell.addSyntax("command", new ArgumentSyntax("arg1"));
        CommandLine cl =
                new CommandLine(new Token("command"), new Token[] {new Token("ALT1")}, null);
        CommandInfo cmdInfo = cl.parseCommandLine(shell);
        Command cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(TestEnum.ALT1, cmd.getArgumentBundle().getArgument("arg1").getValue());


        try {
            cl = new CommandLine(new Token("command"), new Token[] {new Token("ALT99")}, null);
            cl.parseCommandLine(shell);

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    public void testFileArgument() throws Exception {
        TestShell shell = new TestShell();
        shell.addAlias("command", "org.jnode.test.shell.syntax.ArgumentTypesTest$TestFileCommand");
        shell.addSyntax("command", new ArgumentSyntax("arg1"));
        CommandLine cl = new CommandLine(new Token("command"), new Token[] {new Token("F1")}, null);
        CommandInfo cmdInfo = cl.parseCommandLine(shell);
        Command cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals("F1", cmd.getArgumentBundle().getArgument("arg1").getValue().toString());


        try {
            cl = new CommandLine(new Token("command"), new Token[] {new Token("")}, null);
            cl.parseCommandLine(shell);

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        TestShell shell = new TestShell();
        shell.addAlias("cmd", "org.jnode.test.shell.syntax.SequenceSyntaxTest$Test");
        shell.addSyntax("cmd", new SequenceSyntax(new ArgumentSyntax("fileArg")));


        CommandLine cl;
        CommandInfo cmdInfo;
        Command cmd;


        try {
            cl = new CommandLine(new Token("cmd"), new Token[] {}, null);
            cl.parseCommandLine(shell);
            Assert.fail("no exception");
        } catch (CommandSyntaxException ex) {
            // expected
        }


        cl = new CommandLine(new Token("cmd"), new Token[] {new Token("F1")}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);


        try {
            cl =
                    new CommandLine(new Token("cmd"),

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        shell.addAlias("cmd", "org.jnode.test.shell.syntax.SequenceSyntaxTest$Test");
        shell.addSyntax("cmd", new SequenceSyntax(new RepeatSyntax(new ArgumentSyntax("fileArg")),
                new ArgumentSyntax("intArg")));


        CommandLine cl;
        CommandInfo cmdInfo;
        Command cmd;


        try {
            cl = new CommandLine(new Token("cmd"), new Token[] {}, null);
            cl.parseCommandLine(shell);
            Assert.fail("no exception");
        } catch (CommandSyntaxException ex) {
            //
        }


        cl = new CommandLine(new Token("cmd"), new Token[] {new Token("1")}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("intArg").getValues().length);


        cl = new CommandLine(new Token("cmd"), new Token[] {new Token("F1"), new Token("1")}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("intArg").getValues().length);
    }

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        TestShell shell = new TestShell();
        shell.addAlias("cmd", "org.jnode.test.shell.syntax.OptionSyntaxTest$Test");
        shell.addSyntax("cmd", new OptionSyntax("fileArg", "file", 'f'));


        CommandLine cl;
        CommandInfo cmdInfo;
        Command cmd;


        try {
            cl = new CommandLine(new Token("cmd"), new Token[] {}, null);
            cl.parseCommandLine(shell);
            Assert.fail("no exception");
        } catch (CommandSyntaxException ex) {
            // expected
        }


        cl =
                new CommandLine(new Token("cmd"),
                        new Token[] {new Token("--file"), new Token("F1")}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals("F1", cmd.getArgumentBundle().getArgument("fileArg").getValue()
                .toString());


        cl =
                new CommandLine(new Token("cmd"), new Token[] {new Token("-f"), new Token("F1")},
                        null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals("F1", cmd.getArgumentBundle().getArgument("fileArg").getValue()
                .toString());


        try {

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        TestShell shell = new TestShell();
        shell.addAlias("cmd", "org.jnode.test.shell.syntax.OptionSyntaxTest$Test");
        shell.addSyntax("cmd", new RepeatSyntax(new OptionSyntax("fileArg", "file", 'f')));


        CommandLine cl;
        CommandInfo cmdInfo;
        Command cmd;


        cl = new CommandLine(new Token("cmd"), new Token[] {}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);


        cl =
                new CommandLine(new Token("cmd"),
                        new Token[] {new Token("--file"), new Token("F1")}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals("F1", cmd.getArgumentBundle().getArgument("fileArg").getValue()
                .toString());


        cl =
                new CommandLine(new Token("cmd"), new Token[] {new Token("-f"), new Token("F1")},
                        null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals("F1", cmd.getArgumentBundle().getArgument("fileArg").getValue()
                .toString());


        cl =
                new CommandLine(new Token("cmd"), new Token[] {new Token("-f"), new Token("F1"),
                    new Token("-f"), new Token("F2")}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(2, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);


        try {
            cl =
                    new CommandLine(new Token("cmd"),

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            alias = "help";
        }
        CommandShell shell = null;
        try {
            shell = (CommandShell) ShellUtils.getShellManager().getCurrentShell();
            CommandInfo cmdInfo =  shell.getCommandInfo(alias);
            Help cmdHelp = HelpFactory.getHelpFactory().getHelp(alias, cmdInfo);
            if (cmdHelp == null) {
                err.format(err_no_help, alias);
                exit(1);
            }
            cmdHelp.help(out);
            otherAliases(shell.getAliasManager(), alias, cmdInfo.getCommandClass().getName(), out);
        } catch (HelpException ex) {
            err.format(err_help_ex, alias, ex.getLocalizedMessage());
            throw ex;
        } catch (ShellException ex) {
            err.println(ex.getMessage());

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Related Classes of org.jnode.shell.CommandInfo

org.jnode.command.common.HelpCommand

org.jnode.shell.syntax.ArgumentBundle

org.jnode.test.shell.syntax.AlternativesSyntaxTest

org.jnode.test.shell.syntax.ArgumentMultiplicityTest

org.jnode.test.shell.syntax.ArgumentTypesTest

org.jnode.test.shell.syntax.CommandLineTest

org.jnode.test.shell.syntax.OptionSetSyntaxTest

org.jnode.test.shell.syntax.OptionSyntaxTest

org.jnode.test.shell.syntax.PowersetSyntaxTest

org.jnode.test.shell.syntax.RepeatSyntaxTest

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