import java.awt.Toolkit; import java.awt.datatransfer.Clipboard; import java.awt.datatransfer.ClipboardOwner; import java.awt.datatransfer.DataFlavor; import java.awt.datatransfer.StringSelection; import java.awt.datatransfer.Transferable; import java.awt.datatransfer.UnsupportedFlavorException; import java.io.IOException; public class ClipboardUsage implements ClipboardOwner { public void setClipboardContents(String aString) { StringSelection stringSelection = new StringSelection(aString); Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard(); clipboard.setContents(stringSelection, this); } public String getClipboardContents() { String result = ""; Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard(); // odd: the Object param of getContents is not currently used Transferable contents = clipboard.getContents(null); boolean hasTransferableText = (contents != null) && contents.isDataFlavorSupported(DataFlavor.stringFlavor); if (hasTransferableText) { try { result = (String) contents.getTransferData(DataFlavor.stringFlavor); } catch (UnsupportedFlavorException ex) { // highly unlikely since we are using a standard DataFlavor System.out.println(ex); ex.printStackTrace(); } catch (IOException ex) { System.out.println(ex); ex.printStackTrace(); } } return result; } @Override public void lostOwnership(Clipboard clipboard, Transferable contents) { } /** * @param args */ public static void main(String[] args) { ClipboardUsage cu = new ClipboardUsage(); System.out.printf("Clipboard : %s%n", cu.getClipboardContents()); cu.setClipboardContents("clipboard test."); System.out.printf("Clipboard : %s%n", cu.getClipboardContents()); } }