net.dpml.cli.commandline
Class WriteableCommandLineImpl

java.lang.Object
  net.dpml.cli.commandline.CommandLineImpl
      net.dpml.cli.commandline.WriteableCommandLineImpl

All Implemented Interfaces:

CommandLine, WriteableCommandLine

public class WriteableCommandLineImpl

extends CommandLineImpl

implements WriteableCommandLine

A WriteableCommandLine implementation allowing Options to write their processed information to a CommandLine.

Version:

1.0.0

Author:

Digital Product Meta Library

Constructor Summary

WriteableCommandLineImpl(Option rootOption, List arguments)
Creates a new WriteableCommandLineImpl rooted on the specified Option, to hold the parsed arguments.

Method Summary

void	addOption(Option option) Add an option.
void	addProperty(String property, String value) Add a property to the commandline.
void	addSwitch(Option option, boolean value) Add a switch.
void	addValue(Option option, Object value) Add an option.
List	getNormalised() Return the normalized collection.
Option	getOption(String trigger) Finds the Option with the specified trigger
List	getOptions() Retrieves a list of all Options found in this CommandLine
Set	getOptionTriggers() Retrieves a list of all Option triggers found in this CommandLine
Set	getProperties() Retrieves the set of all property names associated with this CommandLine
String	getProperty(String property, String defaultValue) Retrieves the value associated with the specified property
Boolean	getSwitch(Option option, Boolean defaultValue) Retrieves the Boolean value associated with the specified Switch
List	getValues(Option option, List defaultValues) Retrieves the Argument values associated with the specified Option
boolean	hasOption(Option option) Detects the presence of an option in this CommandLine.
boolean	looksLikeOption(String trigger) Return true if the trigger argument looks like an option.
void	setDefaultSwitch(Option option, Boolean defaultSwitch) Set default switch.
void	setDefaultValues(Option option, List defaults) Set default values.
String	toString() Return this commandline as a string.

Methods inherited from class net.dpml.cli.commandline.CommandLineImpl

getOptionCount, getOptionCount, getProperty, getSwitch, getSwitch, getSwitch, getValue, getValue, getValue, getValue, getValues, getValues, getValues, hasOption

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface net.dpml.cli.CommandLine

getOptionCount, getOptionCount, getProperty, getSwitch, getSwitch, getSwitch, getValue, getValue, getValue, getValue, getValues, getValues, getValues, hasOption

Constructor Detail

WriteableCommandLineImpl

public WriteableCommandLineImpl(Option rootOption,
                                List arguments)

Creates a new WriteableCommandLineImpl rooted on the specified Option, to hold the parsed arguments.

Parameters:

rootOption - the CommandLine's root Option

arguments - the arguments this CommandLine represents

Method Detail

addOption

public void addOption(Option option)

Add an option.

Specified by:

addOption in interface WriteableCommandLine

Parameters:

option - the option to add

addValue

public void addValue(Option option,
                     Object value)

Add an option.

Specified by:

addValue in interface WriteableCommandLine

Parameters:

option - the option to add

value - the option value

addSwitch

public void addSwitch(Option option,
                      boolean value)

Add a switch.

Specified by:

addSwitch in interface WriteableCommandLine

Parameters:

option - the option to add

value - the option value

hasOption

public boolean hasOption(Option option)

Detects the presence of an option in this CommandLine.

Specified by:

hasOption in interface CommandLine

Parameters:

option - the Option to search for

Returns:

true iff the option is present

getOption

public Option getOption(String trigger)

Finds the Option with the specified trigger

Specified by:

getOption in interface CommandLine

Parameters:

trigger - the name of the option to retrieve

Returns:

the Option matching the trigger or null if none exists

getValues

public List getValues(Option option,
                      List defaultValues)

Retrieves the Argument values associated with the specified Option

Specified by:

getValues in interface CommandLine

Parameters:

option - the Option associated with the values

defaultValues - the result to return if no values are found

Returns:

a list of values or defaultValues if none are found

getSwitch

public Boolean getSwitch(Option option,
                         Boolean defaultValue)

Retrieves the Boolean value associated with the specified Switch

Specified by:

getSwitch in interface CommandLine

Parameters:

option - the Option associated with the value

defaultValue - the Boolean to use if none match

Returns:

the Boolean associated with option or defaultValue if none exists

addProperty

public void addProperty(String property,
                        String value)

Add a property to the commandline.

Specified by:

addProperty in interface WriteableCommandLine

Parameters:

property - the property name

value - the property value

getProperty

public String getProperty(String property,
                          String defaultValue)

Retrieves the value associated with the specified property

Specified by:

getProperty in interface CommandLine

Parameters:

property - the property name to lookup

defaultValue - the value to use if no other is found

Returns:

the value of the property or defaultValue

getProperties

public Set getProperties()

Retrieves the set of all property names associated with this CommandLine

Specified by:

getProperties in interface CommandLine

Returns:

a none null set of property names

looksLikeOption

public boolean looksLikeOption(String trigger)

Return true if the trigger argument looks like an option.

Specified by:

looksLikeOption in interface WriteableCommandLine

Parameters:

trigger - the trigger to evaluate

Returns:

true if the trigger looks like an option

toString

public String toString()

Return this commandline as a string.

Returns:

the string representation

getOptions

public List getOptions()

Retrieves a list of all Options found in this CommandLine

Specified by:

getOptions in interface CommandLine

Returns:

a none null list of Options

getOptionTriggers

public Set getOptionTriggers()

Retrieves a list of all Option triggers found in this CommandLine

Specified by:

getOptionTriggers in interface CommandLine

Returns:

a none null list of Option triggers

setDefaultValues

public void setDefaultValues(Option option,
                             List defaults)

Set default values.

Specified by:

setDefaultValues in interface WriteableCommandLine

Parameters:

option - the option

defaults - a list of defaults

setDefaultSwitch

public void setDefaultSwitch(Option option,
                             Boolean defaultSwitch)

Set default switch.

Specified by:

setDefaultSwitch in interface WriteableCommandLine

Parameters:

option - the option

defaultSwitch - the default switch state

getNormalised

public List getNormalised()

Return the normalized collection.

Returns:

the moprmalized collection