Java Operating system Clipboard content data

Customers have a variety of curious needs, is now required to use the platform in the process of the copied content to save and display for the use of people reference Package Cn.net.ssd.common.format; Import Java.awt.Image; Import Java.awt.Toolkit; Import Java.awt.datatransfer.Clipboard; 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 Clipboradoperate { /** @Description: * @author ZHK * @createtime 2012-7-12 11:33:06 * @param args */ public static void Main (string[] args) { Clipboard clip = Toolkit.getdefaulttoolkit (). Getsystemclipboard ();//Get system Clipboard try { Imageviewer im=new Imageviewer (Getimagefromclipboard ()); }catch (Exception e) { TODO auto-generated Catch block E.printstacktrace (); } } /** * Get text content from a specified clipboard * Local clipboard using Clipborad CP = new Clipboard ("clip1"); To construct * System Clipboard using Clipboard SYSC = Toolkit.getdefaulttoolkit (). Getsystemclipboard (); * The contents of the Clipboard getcontents (null); Back to transferable */ protected static String Getclipboardtext () throws exception{ Clipboard clip = Toolkit.getdefaulttoolkit (). Getsystemclipboard ();//Get system Clipboard Get the contents of the Clipboard Transferable clipt = clip.getcontents (null); if (clipt! = null) { Check whether the content is text type if (clipt.isdataflavorsupported (Dataflavor.stringflavor)) Return (String) clipt.gettransferdata (Dataflavor.stringflavor); } return null; } Write text data to the Clipboard protected static void Setclipboardtext (Clipboard clip, String writeme) { Transferable Ttext = new StringSelection (writeme); Clip.setcontents (ttext, NULL); } Reading an image from the Clipboard public static Image Getimagefromclipboard () throws exception{ Clipboard SYSC = Toolkit.getdefaulttoolkit (). Getsystemclipboard (); Transferable cc = sysc.getcontents (null); if (cc = = null) return null; else if (cc.isdataflavorsupported (Dataflavor.imageflavor)) Return (Image) cc.gettransferdata (Dataflavor.imageflavor); return null; } Write an image to the clipboard protected static void SetClipboardImage2 (final image image) { Transferable trans = new Transferable () { Public dataflavor[] Gettransferdataflavors () { return new dataflavor[] {dataflavor.imageflavor}; } public boolean isdataflavorsupported (DataFlavor flavor) { return DataFlavor.imageFlavor.equals (flavor); } Public Object Gettransferdata (DataFlavor flavor) throws Unsupportedflavorexception, IOException { if (isdataflavorsupported (flavor)) return image; throw new unsupportedflavorexception (flavor); } }; Toolkit.getdefaulttoolkit (). Getsystemclipboard (). setcontents (trans, NULL); } } Copy Code Package Cn.net.ssd.common.format; /* * View the graphics window */ Import Java.awt.Frame; Import Java.awt.Graphics; Import Java.awt.Image; Import Java.awt.MediaTracker; Import Java.awt.Toolkit; Import Java.awt.event.WindowAdapter; Import java.awt.event.WindowEvent; /** * A window for displaying graphics */ public class Imageviewer extends Frame { private image Image; /** * Show an image * @param viewme */ Public Imageviewer (Image viewme) { image = Viewme; Mediatracker mediatracker = new Mediatracker (this); Mediatracker.addimage (image, 0); try { Mediatracker.waitforid (0); } catch (Interruptedexception IE) { Ie.printstacktrace (); System.exit (1); } Addwindowlistener (New Windowadapter () { public void windowclosing (WindowEvent e) { System.exit (0); } }); Window adapts to image size SetSize (Image.getwidth (null), image.getheight (null)); Window title Settitle ("Viewing Image from Clipboard"); SetVisible (TRUE); } public void Paint (graphics graphics) { Graphics.DrawImage (image, 0, 0, NULL); } /** * Used to read image files and generate images */ public static Image Getimagefromfile (String fileName) { Toolkit Toolkit = Toolkit.getdefaulttoolkit (); Image image = Toolkit.getimage (fileName); return image; } } Copy Code

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