Transformer (gestalt-core 0.24.4 API)

All Known Implementing Classes:

Base64DecoderTransformer, Base64EncoderTransformer, ClasspathTransformer, CustomMapTransformer, EnvironmentVariablesTransformer, EnvironmentVariablesTransformerOld, FileTransformer, NodeTransformer, RandomTransformer, SystemPropertiesTransformer, URLDecoderTransformer, URLEncoderTransformer
```
public interface Transformer
```
Allows you to add your own custom source for the TransformerPostProcessor. Whenever the TransformerPostProcessor sees a value ${name:key} the transform is selected that matches the same name

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default void`	`applyConfig(PostProcessorConfig config)`	Apply the PostProcessorConfig to the Transformer.
`java.lang.String`	`name()`	the name that will match the ${name:key} the transform is selected that matches the same name.
`GResultOf<java.lang.String>`	`process(java.lang.String path, java.lang.String key, java.lang.String rawValue)`	When a match is found for ${name:key} the key and the path are passed into the process method.

- Method Detail
  - name
```
java.lang.String name()
```
    the name that will match the ${name:key} the transform is selected that matches the same name.
    
    Returns:
    
    the name of the transform
  - process
```
GResultOf<java.lang.String> process(java.lang.String path,
                                    java.lang.String key,
                                    java.lang.String rawValue)
```
    When a match is found for ${name:key} the key and the path are passed into the process method. The returned value replaces the whole ${name:key}
    
    Parameters:
    
    path - the current path
    
    key - the key to lookup int this transform.
    
    rawValue - the whole raw value of the current string to transform.
    
    Returns:
    
    the value to replace the ${name:key}
  - applyConfig
```
default void applyConfig(PostProcessorConfig config)
```
    Apply the PostProcessorConfig to the Transformer. Needed when building via the ServiceLoader It is a default method as most Transformer don't need to apply configs.
    
    Parameters:
    
    config - GestaltConfig to update the Post Processor