CommandLine.IExceptionHandler2 (picocli 4.7.6 API)

Type Parameters:

R - the return type of this handler

All Known Implementing Classes:

CommandLine.DefaultExceptionHandler

Enclosing class:

CommandLine
```
@Deprecated
public static interface CommandLine.IExceptionHandler2<R>
```
Deprecated.
see CommandLine.execute(String...), CommandLine.IParameterExceptionHandler and CommandLine.IExecutionExceptionHandler

Classes implementing this interface know how to handle ParameterExceptions (usually from invalid user input) and ExecutionExceptions that occurred while executing the Runnable or Callable command.
Implementations of this interface can be passed to the CommandLine::parseWithHandlers method.
This interface replaces the CommandLine.IParseResultHandler interface.

Since:

3.0

See Also:

CommandLine.DefaultExceptionHandler

Method Summary

All Methods Instance Methods Abstract Methods Deprecated Methods
Modifier and Type	Method	Description
`R`	`handleExecutionException(CommandLine.ExecutionException ex, CommandLine.ParseResult parseResult)`	Deprecated. Handles a `ExecutionException` that occurred while executing the `Runnable` or `Callable` command and optionally returns a list of results.
`R`	`handleParseException(CommandLine.ParameterException ex, String[] args)`	Deprecated. Handles a `ParameterException` that occurred while parsing the command line arguments and optionally returns a list of results.

- Method Detail
  - handleParseException
```
R handleParseException(CommandLine.ParameterException ex,
                       String[] args)
```
    Deprecated.
    
    Handles a ParameterException that occurred while parsing the command line arguments and optionally returns a list of results.
    
    Parameters:
    
    ex - the ParameterException describing the problem that occurred while parsing the command line arguments, and the CommandLine representing the command or subcommand whose input was invalid
    
    args - the command line arguments that could not be parsed
    
    Returns:
    
    an object resulting from handling the exception
  - handleExecutionException
```
R handleExecutionException(CommandLine.ExecutionException ex,
                           CommandLine.ParseResult parseResult)
```
    Deprecated.
    
    Handles a ExecutionException that occurred while executing the Runnable or Callable command and optionally returns a list of results.
    
    Parameters:
    
    ex - the ExecutionException describing the problem that occurred while executing the Runnable or Callable command, and the CommandLine representing the command or subcommand that was being executed
    
    parseResult - the result of parsing the command line arguments
    
    Returns:
    
    an object resulting from handling the exception