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158 lines
4.6 KiB
Java
158 lines
4.6 KiB
Java
/* StringSelection.java -- Clipboard handler for text.
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Copyright (C) 1999, 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt.datatransfer;
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import java.io.IOException;
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import java.io.StringReader;
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/**
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* This class transfers a string as plain text using the clipboard.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public class StringSelection implements Transferable, ClipboardOwner
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{
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/*
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* Class Variables
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*/
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// List of flavors we support
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// XXX: DataFlavor.plainTextFlavor is deprecated.
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static final DataFlavor[] supported_flavors
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= { DataFlavor.stringFlavor,
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DataFlavor.plainTextFlavor };
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/*************************************************************************/
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/*
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* Instance Variables
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*/
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// This is the data to transfer
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private String data;
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/**
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* Transfer the specfied string as text.
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*
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* @param data the data for the string selection
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*/
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public StringSelection(String data)
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{
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this.data = data;
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}
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/**
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* Returns a list of supported data flavors.
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*
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* @return A list of supported data flavors.
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*/
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public DataFlavor[]
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getTransferDataFlavors()
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{
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return(supported_flavors);
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}
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/*************************************************************************/
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/**
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* Tests whether or not the specified data flavor is supported.
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*
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* @param flavor The data flavor to test.
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*
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* @return <code>true</code> if the data flavor is supported,
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* <code>false</code> otherwise.
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*/
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public boolean
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isDataFlavorSupported(DataFlavor flavor)
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{
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for (int i = 0; i < supported_flavors.length; i++)
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if (supported_flavors[i].equals(flavor))
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return(true);
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return(false);
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}
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/*************************************************************************/
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/**
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* This method returns the data in the requested format.
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*
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* @param flavor The desired data flavor.
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*
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* @return The transferred data.
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*
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* @exception UnsupportedFlavorException If the specified flavor is not
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* supported.
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* @exception IOException If any other error occurs.
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*/
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public Object
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getTransferData(DataFlavor flavor) throws UnsupportedFlavorException,
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IOException
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{
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if (!isDataFlavorSupported(flavor))
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throw new UnsupportedFlavorException(flavor);
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if (DataFlavor.plainTextFlavor == flavor)
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/* The behavior of this method for DataFlavor.plainTextFlavor and
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equivalent DataFlavors is inconsistent with the definition of
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DataFlavor.plainTextFlavor. We choose to do like Sun's implementation
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and return a Reader instead of an InputString. */
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/* return(new StringBufferInputStream(data)); */
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return(new StringReader(data));
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else // DataFlavor.stringFlavor
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return data;
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}
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/*************************************************************************/
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/**
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* Called when ownership of the clipboard object is lost.
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*
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* @param clipboard The affected clipboard.
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* @param contents The clipboard contents.
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*/
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public void
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lostOwnership(Clipboard clipboard, Transferable contents)
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{
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// FIXME: What does this do?
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}
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} // class StringSelection
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