ValueConverter

Type Parameters:: V - constraint on the type of values being converted to

All Known Implementing Classes:: DateConverter, InetAddressConverter, RegexMatcher

public interface ValueConverter<V>

Instances of this interface are used to convert arguments of options into specific Java types.

Method Summary

Modifier and Type	Method	Description
`V`	`convert(java.lang.String value)`	Converts the given string value into a Java type.
`java.lang.String`	`valuePattern()`	Gives a string that describes the pattern of the values this converter expects, if any.
`java.lang.Class<V>`	`valueType()`	Gives the class of the type of values this converter converts to.

Method Details
- convert
  
  V convert(java.lang.String value)
  
  Converts the given string value into a Java type.
  
  Parameters:
  
  value - the string to convert
  
  Returns:
  
  the converted value
  
  Throws:
  
  ValueConversionException - if a problem occurs while converting the value
- valueType
  
  java.lang.Class<V> valueType()
  
  Gives the class of the type of values this converter converts to.
  
  Returns:
  
  the target class for conversion
- valuePattern
  
  java.lang.String valuePattern()
  
  Gives a string that describes the pattern of the values this converter expects, if any. For example, a date converter can respond with a date format string.
  
  Returns:
  
  a value pattern, or null if there's nothing interesting here