Package org.apache.commons.configuration2.io

# Class FileHandlerListenerAdapter

java.lang.Object
org.apache.commons.configuration2.io.FileHandlerListenerAdapter

All Implemented Interfaces:
  `FileHandlerListener`

public class FileHandlerListenerAdapter extends Object implements FileHandlerListener
An adapter class simplifying the implementation of custom `FileHandlerListener` classes.

This class provides empty dummy implementations for all methods defined by the `FileHandlerListener` interface. Custom listener implementations can extend this adapter class and override only the methods they actually need.

Since:
  2.0

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `FileHandlerListenerAdapter()`
  Constructs a new instance.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `loaded(FileHandler handler)`
  Notification that the associated file has been loaded.
  `void`
  `loading(FileHandler handler)`
  Notification that the associated file is about to be loaded.
  `void`
  `locationChanged(FileHandler handler)`
  Notification that a property of the monitored `FileHandler` has changed.
  `void`
  `saved(FileHandler handler)`
  Notification that the associated file has been saved.
  `void`
  `saving(FileHandler handler)`
  Notification that the associated file is about to be saved.

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- ## Constructor Details

  - ### FileHandlerListenerAdapter

    public FileHandlerListenerAdapter()
    Constructs a new instance.

- ## Method Details

  - ### loaded

    public void loaded(FileHandler handler)
    Description copied from interface: `FileHandlerListener`
    Notification that the associated file has been loaded. This method is called directly after the load operation.
    Specified by:
      `loaded` in interface `FileHandlerListener`
    Parameters:
      `handler` - the file handler

  - ### loading

    public void loading(FileHandler handler)
    Description copied from interface: `FileHandlerListener`
    Notification that the associated file is about to be loaded. This method is called immediately before the load operation.
    Specified by:
      `loading` in interface `FileHandlerListener`
    Parameters:
      `handler` - the file handler

  - ### locationChanged

    public void locationChanged(FileHandler handler)
    Description copied from interface: `FileHandlerListener`
    Notification that a property of the monitored `FileHandler` has changed.
    Specified by:
      `locationChanged` in interface `FileHandlerListener`
    Parameters:
      `handler` - the file handler

  - ### saved

    public void saved(FileHandler handler)
    Description copied from interface: `FileHandlerListener`
    Notification that the associated file has been saved. This method is called directly after the save operation.
    Specified by:
      `saved` in interface `FileHandlerListener`
    Parameters:
      `handler` - the file handler

  - ### saving

    public void saving(FileHandler handler)
    Description copied from interface: `FileHandlerListener`
    Notification that the associated file is about to be saved. This method is called immediately before the save operation.
    Specified by:
      `saving` in interface `FileHandlerListener`
    Parameters:
      `handler` - the file handler