Bug 296456 [Import/Export] File -> Import filesystem w/cyclical symbolic folder links causes OOME
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardFileSystemResourceImportPage1.java
updateFromSourceField();
            }
        });
        sourceNameField.addKeyListener(new KeyListener() {
            /*
             * @see KeyListener.keyPressed
             */
            public void keyPressed(KeyEvent e) {
                
                entryChanged = true;
				if (e.character == SWT.CR) {
					entryChanged = false;
					updateFromSourceField();
				}
            }
            /*
             * @see KeyListener.keyReleased
             */
            public void keyReleased(KeyEvent e) {
            }
        });
        sourceNameField.addFocusListener(new FocusListener() {
            /*
             * @see FocusListener.focusGained(FocusEvent)
             */
            public void focusGained(FocusEvent e) {
                
            }
            /*
             * @see FocusListener.focusLost(FocusEvent)