org.springframework.shell.converters
Class StaticFieldConverterImpl

java.lang.Object
  org.springframework.shell.converters.StaticFieldConverterImpl

All Implemented Interfaces:

StaticFieldConverter, Converter<Object>

public class StaticFieldConverterImpl
extends Object
implements StaticFieldConverter

A simple Converter for those classes which provide public static fields to represent possible textual values.

Since:

1.0

Constructor Summary

StaticFieldConverterImpl()

Method Summary

void	add(Class<?> clazz)
Object	convertFromText(String value, Class<?> requiredType, String optionContext) Converts from the given String value to type T
boolean	getAllPossibleValues(List<Completion> completions, Class<?> requiredType, String existingData, String optionContext, MethodTarget target) Populates the given list with the possible completions
void	remove(Class<?> clazz)
boolean	supports(Class<?> requiredType, String optionContext) Indicates whether this converter supports the given type in the given option context

Methods inherited from class java.lang.Object

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

Constructor Detail

StaticFieldConverterImpl

public StaticFieldConverterImpl()

Method Detail

add

public void add(Class<?> clazz)

Specified by:

add in interface StaticFieldConverter

remove

public void remove(Class<?> clazz)

Specified by:

remove in interface StaticFieldConverter

convertFromText

public Object convertFromText(String value,
                              Class<?> requiredType,
                              String optionContext)

Description copied from interface: Converter

Converts from the given String value to type T

Specified by:

convertFromText in interface Converter<Object>

Parameters:

value - the value to convert

requiredType - the type being converted to; can't be null

optionContext - a non-null string that customises the behaviour of this converter for a given CliOption of a given CliCommand; the contents will have special meaning to this converter (e.g. be a comma-separated list of keywords known to this converter)

Returns:

see above

getAllPossibleValues

public boolean getAllPossibleValues(List<Completion> completions,
                                    Class<?> requiredType,
                                    String existingData,
                                    String optionContext,
                                    MethodTarget target)

Description copied from interface: Converter

Populates the given list with the possible completions

Specified by:

getAllPossibleValues in interface Converter<Object>

Parameters:

completions - the list to populate; can't be null

requiredType - the type of parameter for which a string is being entered

existingData - what the user has typed so far

optionContext - a non-null string that customises the behaviour of this converter for a given CliOption of a given CliCommand; the contents will have special meaning to this converter (e.g. be a comma-separated list of keywords known to this converter)

Returns:

true if all the added completions are complete values, or false if the user can press TAB to add further information to some or all of them

supports

public boolean supports(Class<?> requiredType,
                        String optionContext)

Description copied from interface: Converter

Indicates whether this converter supports the given type in the given option context

Specified by:

supports in interface Converter<Object>

Parameters:

requiredType - the type being checked

optionContext - a non-null string that customises the behaviour of this converter for a given CliOption of a given CliCommand; the contents will have special meaning to this converter (e.g. be a comma-separated list of keywords known to this converter)

Returns:

see above