com.github.rvesse.airline.restrictions.common

Class PathRestriction

java.lang.Object

com.github.rvesse.airline.restrictions.AbstractCommonRestriction

com.github.rvesse.airline.restrictions.common.PathRestriction

All Implemented Interfaces:

HelpHint, ArgumentsRestriction, OptionRestriction

public class PathRestriction
extends AbstractCommonRestriction
implements HelpHint

Implements restriction on options and arguments that expect to receive a path to a file and/or directory

Author:

rvesse

Constructor Summary

Constructors

Constructor and Description
PathRestriction(boolean mustExist, boolean readable, boolean writable, boolean executable, PathKind kind) Creates a new path restriction

Method Summary

Modifier and Type	Method and Description
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	preValidate(ParseState<T> state, ArgumentsMetadata arguments, String value) Method that is called before Airline attempts to convert 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
protected void	validate(String title, String path)

Methods inherited from class com.github.rvesse.airline.restrictions.AbstractCommonRestriction

finalValidate, finalValidate, getArgumentTitle, getArgumentTitle, getOptionTitle, postValidate, postValidate

Methods inherited from class java.lang.Object

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

Constructor Detail

PathRestriction

public PathRestriction(boolean mustExist,
                       boolean readable,
                       boolean writable,
                       boolean executable,
                       PathKind kind)

Creates a new path restriction

Parameters:

mustExist - Whether the path must exist

readable - Whether the path must be readable, if the specific path does not exist then this check validates that the first parent in the path that exists is readable

writable - Whether the path must be writable, if the specific path does not exist then this check validates that the first parent in the path that exists is writable

executable - Whether the path must be executable, if the specific path does not exist then this check validates that the first parent in the path that exists is executable

kind -

Method Detail

validate

protected void validate(String title,
                        String path)

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

Overrides:

preValidate in class AbstractCommonRestriction

Parameters:

state - Parser state

option - Option meta-data

value - String value

preValidate

public <T> void preValidate(ParseState<T> state,
                            ArgumentsMetadata arguments,
                            String value)

Description copied from interface: ArgumentsRestriction

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

Specified by:

preValidate in interface ArgumentsRestriction

Overrides:

preValidate in class AbstractCommonRestriction

Parameters:

state - Parser state

arguments - Arguments 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