DefaultsContext (Tomitribe :: Crest :: Core 0.29 API)

All Known Implementing Classes:

EnvDefaultsContext, SystemPropertiesDefaultsContext
```
public interface DefaultsContext
```
Used to provide substitution values for @Default("hello ${value}") type expressions.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`find(Target target, java.lang.reflect.Method commandMethod, java.lang.String key)`	Implementations of DefaultsContext need to implement this method to convert an expression inside ${...} type substitutions to String values which will replace the substitution expression.

- Method Detail
  - find
```
java.lang.String find(Target target,
                      java.lang.reflect.Method commandMethod,
                      java.lang.String key)
```
    Implementations of DefaultsContext need to implement this method to convert an expression inside ${...} type substitutions to String values which will replace the substitution expression.
    
    Parameters:
    
    target - The command class
    
    commandMethod - the command method
    
    key - the ... in the ${...} expression
    
    Returns:
    
    the value to replace key with. Null is equivalent to the empty string.