final Display display = new Display();
Shell shell = new Shell(display);
GridLayout gridLayout = new GridLayout();
gridLayout.numColumns = 1;
shell.setLayout(gridLayout);

final Text text1 = new Text (shell, SWT.MULTI | SWT.BORDER | SWT.WRAP | SWT.V_SCROLL);
text1.setLayoutData(new GridData(GridData.FILL_BOTH));

text1.addKeyListener(new KeyAdapter() {
    public void keyPressed(KeyEvent e) {
        if(e.keyCode == SWT.CR) {
            String textData = text1.getText();
            text1.setText("");
            text1.setSelection(0);
        }
    }
});