[Chapter 20] StringSelection
Author: John Zukowski
Date: Thu Jul 31 15:19:04 1997

#

| Chapter 20 java.awt.datatransfer Reference |

# StringSelection

## Name

StringSelection

##

## Description

`StringSelection` is a "convenience" class that can be used for copy and paste operations on Unicode text strings. For example, you could place a string on the system's clipboard with the following code:

    Clipboard c =
      Toolkit.getDefaultToolkit().getSystemClipboard();
    StringSelection s = new StringSelection(
      "Be safe when you cut and paste.");
    c.setContents(s, s);

## Class Definition

    public class java.awt.datatransfer.StringSelection
       extends java.lang.Object
       implements java.awt.datatransfer.ClipboardOwner,
             java.awt.datatransfer.Transferable {
      // Constructor
      public StringSelection(String data);
      // Instance Methods
      public synchronized Object getTransferData (DataFlavor flavor)
        throws UnsupportedFlavorException, IOException;
      public synchronized DataFlavor[] getTransferDataFlavors();
      public boolean isDataFlavorSupported (DataFlavor flavor);
      public void lostOwnership (Clipboard clipboard, Transferable contents);
    }

## Constructors

### StringSelection

#### public StringSelection (String data)

Parameters

  data

    The string to be placed in a clipboard.

Description

  Constructs a `StringSelection` object from the given string.

## Instance Methods

### getTransferData

#### public synchronized Object getTransferData (DataFlavor flavor) throws UnsupportedFlavorException, IOException

Parameters

  flavor

    The requested flavor for the returned data, which can be either `DataFlavor.stringFlavor` or `DataFlavor.plainTextFlavor`.

Returns

  The string that the `StringSelection` was constructed with. This is returned either as a `String` object or a `Reader` object, depending on the flavor requested.

Throws

  UnsupportedFlavorException

    If the requested flavor is not supported.

  IOException

    If a `Reader` representing the string could not be created.

Implements

  `Transferable.getTransferData(DataFlavor)`

Description

  Returns the string this `StringSelection` represents. This is returned either as a `String` object or a `Reader` object, depending on the flavor requested.

### getTransferDataFlavors

#### public synchronized DataFlavor[] getTransferDataFlavors()

Returns

  An array of the data flavors the `StringSelection` supports.

Implements

  `Transferable.getTransferDataFlavors()`

Description

  `DataFlavor.stringFlavor` and `DataFlavor.plainTextFlavor` are returned.

### isDataFlavorSupported

#### public boolean isDataFlavorSupported (DataFlavor flavor)

Parameters

  flavor

    The flavor in question.

Returns

  `true` if `flavor` is supported; `false` otherwise.

Implements

  `Transferable.isDataFlavorSupported(DataFlavor)`

### lostOwnership

#### public void lostOwnership (Clipboard clipboard, Transferable contents)

Parameters

  clipboard

    The clipboard whose contents are changing.

  contents

    The contents that were on the clipboard.

Implements

  `ClipboardOwner.lostOwnership(Clipboard, Transferable)`

Description

  Does nothing.

## See Also

`Clipboard`, `ClipboardOwner`, `DataFlavor`, `String`, `Transferable`

DataFlavor |  | Transferable