Examples of org.apache.felix.shell.Command

org.apache.felix.shell.Command
This interface is used to define commands for the Felix impl service. Any bundle wishing to create commands for the impl service simply needs to create a service object that implements this interface and then register it with the OSGi framework. The impl service automatically includes any registered command services in its list of available commands.

        public String getCommandUsage(String name)
        {
            Object[] commands = m_tracker.getServices();
            for (int i = 0; (commands != null) && (i < commands.length); i++)
            {
                Command command = (Command) commands[i];
                if (command.getName().equals(name))
                {
                    return command.getUsage();
                }
            }
            return null;
        }

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        public String getCommandDescription(String name)
        {
            Object[] commands = m_tracker.getServices();
            for (int i = 0; (commands != null) && (i < commands.length); i++)
            {
                Command command = (Command) commands[i];
                if (command.getName().equals(name))
                {
                    return command.getShortDescription();
                }
            }
            return null;
        }

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        public ServiceReference getCommandReference(String name)
        {
            ServiceReference[] refs = m_tracker.getServiceReferences();
            for (int i = 0; (refs != null) && (i < refs.length); i++)
            {
                Command command = (Command) m_tracker.getService(refs[i]);
                if ((command != null) && command.getName().equals(name))
                {
                    return refs[i];
                }
            }
            return null;

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            String commandLine, PrintStream out, PrintStream err) throws Exception
        {
            commandLine = commandLine.trim();
            String commandName = (commandLine.indexOf(' ') >= 0)
                ? commandLine.substring(0, commandLine.indexOf(' ')) : commandLine;
            Command command = getCommand(commandName);
            if (command != null)
            {
                if (System.getSecurityManager() != null)
                {
                    try
                    {
                        AccessController.doPrivileged(
                            new ExecutePrivileged(command, commandLine, out, err));
                    }
                    catch (PrivilegedActionException ex)
                    {
                        throw ex.getException();
                    }
                }
                else
                {
                    try
                    {
                        command.execute(commandLine, out, err);
                    }
                    catch (Throwable ex)
                    {
                        err.println("Unable to execute command: " + ex);
                        ex.printStackTrace(err);

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        Command getCommand(String name)
        {
            Object[] commands = m_tracker.getServices();
            for (int i = 0; (commands != null) && (i < commands.length); i++)
            {
                Command command = (Command) commands[i];
                if (command.getName().equals(name))
                {
                    return command;
                }
            }
            return null;

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        Assert.assertNotNull(commandReferences);


        int foundCommands = 0;
        Set<String> names = defaultCommansList.keySet();
        for (ServiceReference commandReference : commandReferences) {
            Command command = (Command) bc.getService(commandReference);
            if (names.contains(command.getName())) {
                foundCommands++;
            }
        }
        Assert.assertEquals(defaultCommansList.size(), foundCommands);


        registration.unregister();


        foundCommands = 0;
        commandReferences = bc.getServiceReferences("org.apache.felix.shell.Command", null);
        if (commandReferences != null) {
            for (ServiceReference commandReference : commandReferences) {
                Command command = (Command) bc.getService(commandReference);
                if (names.contains(command.getName())) {
                    foundCommands++;
                }
            }
        }
        Assert.assertEquals(0, foundCommands);

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Related Classes of org.apache.felix.shell.Command

org.apache.felix.shell.impl.Activator$ShellServiceImpl

org.knowhowlab.osgi.it.shell.FelixShellTest

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