com.github.rvesse.airline.restrictions.options

Class RequiredOnlyIfRestriction

java.lang.Object

com.github.rvesse.airline.restrictions.options.RequiredOnlyIfRestriction

All Implemented Interfaces:

HelpHint, OptionRestriction

public class RequiredOnlyIfRestriction
extends Object
implements OptionRestriction, HelpHint

Constructor Summary

Constructors

Constructor and Description
RequiredOnlyIfRestriction(String... names)

Method Summary

Modifier and Type	Method and Description
<T> void	finalValidate(ParseState<T> state, OptionMetadata option) Method that is called after Airline has completed parsing
String[]	getContentBlock(int blockNumber) Gets the content block with the given number
HelpFormat	getFormat() Gets the format of the provided help information
String	getPreamble() Gets the preamble text that should be included
int	numContentBlocks() Gets the number of content blocks provided
<T> void	postValidate(ParseState<T> state, OptionMetadata option, Object value) Method that is called after Airline has converted a string argument received into a strongly typed Java value
<T> void	preValidate(ParseState<T> state, OptionMetadata option, String value) Method that is called before Airline attempts to convert a string argument received into a strongly typed Java value

Methods inherited from class java.lang.Object

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

Constructor Detail

RequiredOnlyIfRestriction

public RequiredOnlyIfRestriction(String... names)

Method Detail

finalValidate

public <T> void finalValidate(ParseState<T> state,
                              OptionMetadata option)

Description copied from interface: OptionRestriction

Method that is called after Airline has completed parsing

This can be used to implement restrictions that require the final parser state to process

Specified by:

finalValidate in interface OptionRestriction

Parameters:

state - Parser state

option - Option meta-data

preValidate

public <T> void preValidate(ParseState<T> state,
                            OptionMetadata option,
                            String value)

Description copied from interface: OptionRestriction

Method that is called before Airline attempts to convert a string argument received into a strongly typed Java value

Specified by:

preValidate in interface OptionRestriction

Parameters:

state - Parser state

option - Option meta-data

value - String value

getPreamble

public String getPreamble()

Description copied from interface: HelpHint

Gets the preamble text that should be included

Specified by:

getPreamble in interface HelpHint

Returns:

Preamble text

getFormat

public HelpFormat getFormat()

Description copied from interface: HelpHint

Gets the format of the provided help information

Specified by:

getFormat in interface HelpHint

Returns:

Help format

numContentBlocks

public int numContentBlocks()

Description copied from interface: HelpHint

Gets the number of content blocks provided

Help generators should consult the HelpHint.getFormat() return value to determine how to format the content blocks but they are not required to do so

Specified by:

numContentBlocks in interface HelpHint

Returns:

Number of content blocks

getContentBlock

public String[] getContentBlock(int blockNumber)

Description copied from interface: HelpHint

Gets the content block with the given number

Specified by:

getContentBlock in interface HelpHint

Parameters:

blockNumber - Block number

Returns:

Content Block

postValidate

public <T> void postValidate(ParseState<T> state,
                             OptionMetadata option,
                             Object value)

Description copied from interface: OptionRestriction

Method that is called after Airline has converted a string argument received into a strongly typed Java value

Specified by:

postValidate in interface OptionRestriction

Parameters:

state - Parser state

option - Option meta-data

value - Strongly typed value