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## org.jfree.ui.action
Class AbstractFileSelectionAction

    java.lang.Object
      javax.swing.AbstractAction
          org.jfree.ui.action.AbstractActionDowngrade
              org.jfree.ui.action.AbstractFileSelectionAction

All Implemented Interfaces:
  java.awt.event.ActionListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, javax.swing.Action, ActionDowngrade

    public abstract class AbstractFileSelectionAction

extends AbstractActionDowngrade

A base class for all file operations. This implementation provides all methods to let the user select a file.

Author:
  Thomas Morgner
See Also:
  Serialized Form

Field Summary

Fields inherited from class org.jfree.ui.action.AbstractActionDowngrade
`ACCELERATOR_KEY, MNEMONIC_KEY`

Fields inherited from class javax.swing.AbstractAction
`changeSupport, enabled`

Fields inherited from interface javax.swing.Action
`ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON`

Constructor Summary
`AbstractFileSelectionAction(java.awt.Component parent)` Creates a new FileSelectionAction with the given optional parent component as parent for the file chooser dialog.

Method Summary
`protected javax.swing.JFileChooser` | `createFileChooser()` Creates the file chooser.
`protected java.io.File` | `getCurrentDirectory()` Returns the working directory that should be used when initializing the FileChooser.
`protected abstract java.lang.String` | `getFileDescription()` Returns a descriptive text describing the file extension.
`protected abstract java.lang.String` | `getFileExtension()` Returns the file extension that should be used for the operation.
`protected java.io.File` | `performSelectFile(java.io.File selectedFile, int dialogType, boolean appendExtension)` Selects a file to use as target for the operation.

Methods inherited from class javax.swing.AbstractAction
`addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled`

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface javax.swing.Action
`addPropertyChangeListener, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled`

Methods inherited from interface java.awt.event.ActionListener
`actionPerformed`

Constructor Detail

### AbstractFileSelectionAction

    public AbstractFileSelectionAction(java.awt.Component parent)

  Creates a new FileSelectionAction with the given optional parent component as parent for the file chooser dialog.

  Parameters:
    `parent` - the parent

Method Detail

### getFileExtension

    protected abstract java.lang.String getFileExtension()

  Returns the file extension that should be used for the operation.

  Returns:
    the file extension.

### getFileDescription

    protected abstract java.lang.String getFileDescription()

  Returns a descriptive text describing the file extension.

  Returns:
    the file description.

### getCurrentDirectory

    protected java.io.File getCurrentDirectory()

  Returns the working directory that should be used when initializing the FileChooser.

  Returns:
    the working directory.

### performSelectFile

    protected java.io.File performSelectFile(java.io.File selectedFile,
                                             int dialogType,
                                             boolean appendExtension)

  Selects a file to use as target for the operation.

  Parameters:
    `selectedFile` - the selected file.
    `dialogType` - the dialog type.
    `appendExtension` - true, if the file extension should be added if necessary, false if the unmodified filename should be used.
  Returns:
    the selected and approved file or null, if the user canceled the operation

### createFileChooser

    protected javax.swing.JFileChooser createFileChooser()

  Creates the file chooser.

  Returns:
    the initialized file chooser.

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