java operating system clipboard content data

Customers have various unique needs and now require that the content copied during the use of the platform be saved and displayed for users' 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 AM
 * @param args
*/
 public static void main(String[] args) {
 Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();//Get the system clipboard

 try {
 ImageViewer im=new ImageViewer(getImageFromClipboard( ));
 }catch (Exception e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 }
 }
 /**
 * Get the text content from the specified clipboard
 * The local clipboard uses Clipborad cp = new Clipboard("clip1"); to construct
 * The system clipboard uses Clipboard sysc = Toolkit.getDefaultToolkit().getSystemClipboard( );
 * Clipboard content getContents(null); Return Transferable
*/
 protected static String getClipboardText() throws Exception{
 Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard(); // Get the 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;
 }

 //Go to cut Board write text data
 protected static void setClipboardText(Clipboard clip, String writeMe) {
 Transferable tText = new StringSelection(writeMe);
 clip.setContents(tText, null);
 }

 // Read images 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 image to 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.getDefaultTool kit( ).getSystemClipboard().setContents(trans, null);
 }


}

package cn.net.ssd.common.format;

/*
* 查看图形的窗口
*/
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;
/**
* Window used to display 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);
    }
    });
    //窗口适应图像大小
    setSize(image.getWidth(null), image.getHeight(null));
    //窗口标题
    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 Image objects
*/
    public static Image getImageFromFile(String fileName) {
    Toolkit toolkit = Toolkit.getDefaultToolkit();
    Image image = toolkit.getImage(fileName);
    return image;
    }
}