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/* StringSelection.java -- Clipboard handler for text.
Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of the non-peer AWT libraries of GNU Classpath.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published
by the Free Software Foundation, either version 2 of the License, or
(at your option) any later verion.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; if not, write to the Free Software Foundation
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA. */
package java.awt.datatransfer;
import java.io.StringBufferInputStream;
import java.io.IOException;
/**
* This class transfers a string as plain text using the clipboard.
*
* @author Aaron M. Renn (arenn@urbanophile.com)
*/
public class StringSelection implements Transferable, ClipboardOwner
{
/*
* Class Variables
*/
// List of flavors we support
public static final DataFlavor[] supported_flavors
= { DataFlavor.plainTextFlavor };
/*************************************************************************/
/*
* Instance Variables
*/
// This is the data to transfer
private String data;
/*************************************************************************/
/*
* Constructors
*/
/**
* Transfer the specfied string as text.
*/
public
StringSelection(String data)
{
this.data = data;
}
/*************************************************************************/
/*
* Instance Methods
*/
/**
* Returns a list of supported data flavors.
*
* @return A list of supported data flavors.
*/
public DataFlavor[]
getTransferDataFlavors()
{
return(supported_flavors);
}
/*************************************************************************/
/**
* Tests whether or not the specified data flavor is supported.
*
* @param flavor The data flavor to test.
*
* @return <code>true</code> if the data flavor is supported,
* <code>false</code> otherwise.
*/
public boolean
isDataFlavorSupported(DataFlavor flavor)
{
for (int i = 0; i < supported_flavors.length; i++)
if (supported_flavors[i].equals(flavor))
return(true);
return(false);
}
/*************************************************************************/
/**
* This method returns the data in the requested format.
*
* @param flavor The desired data flavor.
*
* @return The transferred data.
*
* @exception UnsupportedFlavorException If the specified flavor is not
* supported.
* @exception IOException If any other error occurs.
*/
public Object
getTransferData(DataFlavor flavor) throws UnsupportedFlavorException,
IOException
{
if (!isDataFlavorSupported(flavor))
throw new UnsupportedFlavorException(flavor);
return(new StringBufferInputStream(data));
}
/*************************************************************************/
/**
* Called when ownership of the clipboard object is lost.
*
* @param clipboard The affected clipboard.
* @param contents The clipboard contents.
*/
public void
lostOwnership(Clipboard clipboard, Transferable contents)
{
// FIXME: What does this do?
}
} // class StringSelection
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