java操作系统剪贴板内容数据

客户有各种稀奇的需求，现要求在使用平台过程中复制过的内容保存并展示供使用人员参考

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 上午11:33:06
	 * @param args
	 */
	public static void main(String[] args) {
		Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();//获取系统剪贴板

		try {
			ImageViewer im=new ImageViewer(getImageFromClipboard());
        }catch (Exception e) {
	        // TODO Auto-generated catch block
	        e.printStackTrace();
        }
	}
	/**
	 * 从指定的剪切板中获取文本内容
	 * 本地剪切板使用 Clipborad cp = new Clipboard("clip1"); 来构造
	 * 系统剪切板使用  Clipboard sysc = Toolkit.getDefaultToolkit().getSystemClipboard();
	 * 剪切板的内容   getContents(null); 返回Transferable
	 */
	protected static String getClipboardText() throws Exception{
		Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();//获取系统剪贴板
    	// 获取剪切板中的内容
    	Transferable clipT = clip.getContents(null);
    	if (clipT != null) {
    	// 检查内容是否是文本类型
    	if (clipT.isDataFlavorSupported(DataFlavor.stringFlavor))
    	return (String)clipT.getTransferData(DataFlavor.stringFlavor);
    	}
    	return null;
	}

	 //往剪切板写文本数据
	 protected static void setClipboardText(Clipboard clip, String writeMe) {
    	 Transferable tText = new StringSelection(writeMe);
    	 clip.setContents(tText, null);
	 }

	 // 从剪切板读取图像
	 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;
	 }
	 // 写图像到剪切板
	 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);
	 }


}

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;
/**
*  用于显示图形的窗口
*/
public class ImageViewer extends Frame {
	private Image image;
    /**
    * 显示一个图像
    * @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);
    }
    /**
    * 用于读取图像文件并生成Image对象
    */
    public static Image getImageFromFile(String fileName) {
    Toolkit toolkit = Toolkit.getDefaultToolkit();
    Image image = toolkit.getImage(fileName);
    return image;
    }
}