CommandDescriptor (CRaSH reference documentation 1.2.10 API)

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org.crsh.cli.descriptor
Class CommandDescriptor<T>

java.lang.Object
  org.crsh.cli.descriptor.CommandDescriptor<T>

Direct Known Subclasses:: CommandDescriptorImpl

public abstract class CommandDescriptor<T>

extends Object

Field Summary
`private List<ArgumentDescriptor>`	`arguments` .
`private Description`	`description` .
`private boolean`	`listArgument` .
`private Set<String>`	`longOptionNames` .
`private static Set<String>`	`MAIN_SINGLETON` .
`private String`	`name` .
`private Map<String,OptionDescriptor>`	`optionMap` .
`private List<OptionDescriptor>`	`options` .
`private List<ParameterDescriptor>`	`parameters` .
`private Set<String>`	`shortOptionNames` .
`private List<ArgumentDescriptor>`	`uArguments` .
`private Set<String>`	`uLongOptionNames` .
`private Map<String,OptionDescriptor>`	`uOptionMap` .
`private List<OptionDescriptor>`	`uOptions` .
`private List<ParameterDescriptor>`	`uParameters` .
`private Set<String>`	`uShortOptionNames` .

Constructor Summary
`protected`	`CommandDescriptor(String name, Description description)`

Method Summary
`protected void`	`addParameter(ParameterDescriptor parameter)` Add a parameter to the command.
`OptionDescriptor`	`findOption(String name)` Find an command option by its name, this will look through the command hierarchy.
`ArgumentDescriptor`	`getArgument(int index)` Returns a a specified argument by its index.
`List<ArgumentDescriptor>`	`getArguments()` Returns a list of the command arguments.
`int`	`getDepth()`
`Description`	`getDescription()` Returns the command description.
`Set<String>`	`getLongOptionNames()` Returns the command long option names.
`String`	`getName()` Returns the command name.
`OptionDescriptor`	`getOption(String name)` Returns a command option by its name.
`Set<String>`	`getOptionNames()` Returns the command option names.
`Collection<OptionDescriptor>`	`getOptions()` Returns the command options.
`abstract CommandDescriptor<T>`	`getOwner()`
`List<ParameterDescriptor>`	`getParameters()` Returns the command parameters, the returned collection contains the command options and the command arguments.
`Set<String>`	`getShortOptionNames()` Returns the command short option names.
`abstract CommandDescriptor<T>`	`getSubordinate(String name)`
`abstract Map<String,? extends CommandDescriptor<T>>`	`getSubordinates()` Returns the command subordinates as a map.
`abstract Class<T>`	`getType()`
`String`	`getUsage()` Returns the command usage, shortcut for invoking `getDescription().getUsage()` on this object.
`void`	`printMan(Appendable writer)`
`void`	`printUsage(Appendable writer)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

MAIN_SINGLETON

private static final Set<String> MAIN_SINGLETON

name

private final String name

description

private final Description description

optionMap

private final Map<String,OptionDescriptor> optionMap

shortOptionNames

private final Set<String> shortOptionNames

longOptionNames

private final Set<String> longOptionNames

listArgument

private boolean listArgument

options

private final List<OptionDescriptor> options

arguments

private final List<ArgumentDescriptor> arguments

parameters

private final List<ParameterDescriptor> parameters

uOptionMap

private final Map<String,OptionDescriptor> uOptionMap

uShortOptionNames

private final Set<String> uShortOptionNames

uLongOptionNames

private final Set<String> uLongOptionNames

uOptions

private final List<OptionDescriptor> uOptions

uArguments

private final List<ArgumentDescriptor> uArguments

uParameters

private final List<ParameterDescriptor> uParameters

Constructor Detail

CommandDescriptor

protected CommandDescriptor(String name,
                            Description description)
                     throws IntrospectionException

Throws:: IntrospectionException

Method Detail

addParameter

protected void addParameter(ParameterDescriptor parameter)
                     throws IntrospectionException,
                            NullPointerException,
                            IllegalArgumentException

Add a parameter to the command.

Parameters:: parameter - the parameter to add
Throws:: IntrospectionException - any introspection exception that would prevent the parameter to be added; NullPointerException - if the parameter is null; IllegalArgumentException - if the parameter is already associated with another command

getType

public abstract Class<T> getType()

getOwner

public abstract CommandDescriptor<T> getOwner()

getDepth

public final int getDepth()

printUsage

public final void printUsage(Appendable writer)
                      throws IOException

Throws:: IOException

printMan

public final void printMan(Appendable writer)
                    throws IOException

Throws:: IOException

getSubordinates

public abstract Map<String,? extends CommandDescriptor<T>> getSubordinates()

Returns the command subordinates as a map.

Returns:: the subordinates

getSubordinate

public abstract CommandDescriptor<T> getSubordinate(String name)

getParameters

public final List<ParameterDescriptor> getParameters()

Returns the command parameters, the returned collection contains the command options and the command arguments.

Returns:: the command parameters

getOptionNames

public final Set<String> getOptionNames()

Returns the command option names.

Returns:: the command option names

getShortOptionNames

public final Set<String> getShortOptionNames()

Returns the command short option names.

Returns:: the command long option names

getLongOptionNames

public final Set<String> getLongOptionNames()

Returns the command long option names.

Returns:: the command long option names

getOptions

public final Collection<OptionDescriptor> getOptions()

Returns the command options.

Returns:: the command options

getOption

public final OptionDescriptor getOption(String name)

Returns a command option by its name.

Parameters:: name - the option name
Returns:: the option

findOption

public final OptionDescriptor findOption(String name)

Find an command option by its name, this will look through the command hierarchy.

Parameters:: name - the option name
Returns:: the option or null

getArguments

public final List<ArgumentDescriptor> getArguments()

Returns a list of the command arguments.

Returns:: the command arguments

getArgument

public final ArgumentDescriptor getArgument(int index)
                                     throws IllegalArgumentException

Returns a a specified argument by its index.

Parameters:: index - the argument index
Returns:: the command argument
Throws:: IllegalArgumentException - if the index is not within the bounds

getName

public final String getName()

Returns the command name.

Returns:: the command name

getDescription

public final Description getDescription()

Returns the command description.

Returns:: the command description

getUsage

public final String getUsage()

Returns the command usage, shortcut for invoking getDescription().getUsage() on this object.

Returns:: the command usage