/**
 * Wait the end of the asynchronous calls waiting in UI thread.
 */
public static void synchronizationWithUIThread() {
Display.getDefault().sysncExec(new Runnable(){
while (Display.getDefault().readAndDispatch()) {
 // Do nothing, just wait
 }
 }
});

package winctr;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.SWT;




public class NewComposite extends org.eclipse.swt.widgets.Composite {
	private Text text1;
	private Text text2;

	
	public static void main(String[] args) {
		showGUI();
	}

	
	public static void showGUI() {
		Display display = Display.getDefault();
		Shell shell = new Shell(display);
		NewComposite inst = new NewComposite(shell, SWT.NULL);
		Point size = inst.getSize();
		shell.layout();
		shell.setLayout(new FillLayout());
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
	}

	public NewComposite(org.eclipse.swt.widgets.Composite parent, int style) {
		super(parent, style);
		initGUI();
	}

	private void initGUI() {
		try {
			GridLayout thisLayout = new GridLayout();
			thisLayout.makeColumnsEqualWidth = true;
			thisLayout.numColumns = 2;
			this.setLayout(thisLayout);
			{
				text1 = new Text(this, SWT.MULTI | SWT.WRAP | SWT.H_SCROLL
						| SWT.V_SCROLL | SWT.BORDER);
				GridData text1LData = new GridData(GridData.FILL_BOTH);
				text1.setLayoutData(text1LData);
				text1.setText("text1");
			}
			{
				text2 = new Text(this, SWT.MULTI | SWT.WRAP | SWT.H_SCROLL
						| SWT.V_SCROLL | SWT.BORDER);
				text2.setText("text2");
				GridData text2LData = new GridData(GridData.FILL_BOTH);
				text2.setLayoutData(text2LData);
			}
			text1.getDisplay().asyncExec(new Runnable(){

				public void run() {
					try {
						setText();
					} catch (FileNotFoundException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					} catch (IOException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}					
				}
				
			});

			this.layout();
			pack();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	private void setText() throws FileNotFoundException, IOException {
		BufferedReader rd = new BufferedReader(new FileReader(new File(
				"c:\\spy.log")));
		text1.setText("");
		String line = null;
		try {
			do {
				line = rd.readLine();
				if (line != null) {
					text1.append(line);
					text1.getDisplay().readAndDispatch();
				}
				text1.append(Text.DELIMITER);
			} while (line != null);
		} finally {
			rd.close();
		}
	}

}