EnvironmentDefaultProvider (nessie-gc-tool 0.70.0 API)

java.lang.Object
- org.projectnessie.gc.tool.cli.options.EnvironmentDefaultProvider

All Implemented Interfaces:

picocli.CommandLine.IDefaultValueProvider
```
public class EnvironmentDefaultProvider
extends java.lang.Object
implements picocli.CommandLine.IDefaultValueProvider
```
Provides default values for command options.
Considers all "long" options (starting with --), using the conversion "NESSIE_GC_" + optionName..substring(2).replace('-', '_').toUpperCase().
For example, the default value for the command line option --jdbc-passowrd is derived from the environment variable NESSIE_GC_JDBC_PASSWORD.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  EnvironmentDefaultProvider()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  java.lang.String defaultValue(picocli.CommandLine.Model.ArgSpec argSpec)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - EnvironmentDefaultProvider
```
public EnvironmentDefaultProvider()
```
- Method Detail
  - defaultValue
```
public java.lang.String defaultValue(picocli.CommandLine.Model.ArgSpec argSpec)
```
    Specified by:
    
    defaultValue in interface picocli.CommandLine.IDefaultValueProvider