NullDataConverter (FocessQQ 4.0.2.2000 API)

java.lang.Object
- top.focess.qq.api.command.DataConverter<T>
- - top.focess.qq.api.command.converter.NullDataConverter<T>

Type Parameters:

T - the target type

Direct Known Subclasses:

CommandDataConverter, PluginDataConverter
```
public abstract class NullDataConverter<T>
extends DataConverter<T>
```
Simplify the DataConverter class. Implement the accept method. The accept method returns true if the result of converting the String argument is not null, false otherwise.

- Field Summary
  - Fields inherited from class top.focess.qq.api.command.DataConverter
    BOOLEAN_DATA_CONVERTER, DEFAULT_DATA_CONVERTER, DOUBLE_DATA_CONVERTER, DOUBLE_PREDICATE, INTEGER_DATA_CONVERTER, INTEGER_PREDICATE, LONG_DATA_CONVERTER, LONG_PREDICATE
- Constructor Summary
  
  Constructors
  Constructor Description
  
  NullDataConverter()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  protected boolean accept(String arg)
  Indicate whether this String argument is this target type or not
  - Methods inherited from class top.focess.qq.api.command.DataConverter
    connect, convert, getTargetClass
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - NullDataConverter
```
public NullDataConverter()
```
- Method Detail
  - accept
```
protected boolean accept(String arg)
```
    Description copied from class: DataConverter
    
    Indicate whether this String argument is this target type or not
    
    Specified by:
    
    accept in class DataConverter<T>
    
    Parameters:
    
    arg - the target argument in String
    
    Returns:
    
    true if this String argument can convert to this target type, false otherwise