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## org.eclipse.swtbot.swt.finder.utils
Class SWTUtils

    java.lang.Object
      org.eclipse.swtbot.swt.finder.utils.SWTUtils

    public abstract class SWTUtils

extends Object

Version:
  $Id$
Author:
  Ketan Padegaonkar <KetanPadegaonkar [at] gmail [dot] com>

Constructor Summary
`SWTUtils()`

Method Summary
`static Thread[]` | `allThreads()` Gets all the thread in the VM.
`static boolean` | `captureScreenshot(String fileName)` This captures a screen shot and saves it to the given file.
`static boolean` | `captureScreenshot(String fileName, Control control)` This captures a screen shot of a widget and saves it to the given file.
`static boolean` | `captureScreenshot(String fileName, Rectangle bounds)` This captures a screen shot of an area and saves it to the given file.
`static Display` | `display()` Caches the display for later use.
`static String` | `getText(Object obj)` Gets the text of the given object.
`static String` | `getToolTipText(Object obj)` Gets the tooltip text for the given object.
`static boolean` | `hasStyle(Widget w, int style)` Checks if the widget has the given style.
`static Object` | `invokeMethod(Object object, String methodName)` Invokes the specified methodName on the object, and returns the result, or `null` if the method returns void.
`static boolean` | `isEmptyOrNullText(Widget w)` Checks if the widget text is an empty string.
`static boolean` | `isUIThread()` Return true if the current thread is the UI thread.
`static boolean` | `isUIThread(Display display)` Return true if the current thread is the UI thread.
`static Widget` | `nextWidget(Widget w)` Gets the next sibling of this passed in widget.
`static Widget` | `previousWidget(Widget w)` Gets the previous sibling of the passed in widget.
`static ThreadGroup` | `primaryThreadGroup()` Gets the primary thread group.
`static Widget[]` | `siblings(Widget w)`
`static void` | `sleep(long millis)` Sleeps for the given number of milliseconds.
`static String` | `toString(Display display, Object o)` Convers the display and object to a string.
`static String` | `toString(Widget w)` Converts the given widget to a string.
`static void` | `waitForDisplayToAppear()` Waits until a display appears.
`static void` | `waitForDisplayToAppear(long timeout)` Waits until a display appears.
`static int` | `widgetIndex(Widget w)` Gets the index of the given widget in its current container.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### SWTUtils

    public SWTUtils()

Method Detail

### siblings

    public static Widget[] siblings(Widget w)

  Parameters:
    `w` - the widget
  Returns:
    the siblings of the widget, or an empty array, if there are none.

### widgetIndex

    public static int widgetIndex(Widget w)

  Gets the index of the given widget in its current container.

  Parameters:
    `w` - the widget
  Returns:
    -1 if the the widget is `null` or if the widget does not have a parent; a number greater than or equal to zero indicating the index of the widget among its siblings

### previousWidget

    public static Widget previousWidget(Widget w)

  Gets the previous sibling of the passed in widget.

  Parameters:
    `w` - the widget
  Returns:
    the previous sibling of w

### nextWidget

    public static Widget nextWidget(Widget w)

  Gets the next sibling of this passed in widget.

  Parameters:
    `w` - the widget.
  Returns:
    the sibling of the specified widget, or `null` if it has none.

### getText

    public static String getText(Object obj)

  Gets the text of the given object.

  Parameters:
    `obj` - the object which should be a widget.
  Returns:
    the result of invocation of Widget#getText()

### getToolTipText

    public static String getToolTipText(Object obj)

  Gets the tooltip text for the given object.

  Parameters:
    `obj` - the object which should be a widget.
  Returns:
    the result of invocation of Widget#getToolTipText()
  Since:
    1.0

### toString

    public static String toString(Widget w)

  Converts the given widget to a string.

  Parameters:
    `w` - the widget.
  Returns:
    the string representation of the widget.

### toString

    public static String toString(Display display,
                                  Object o)

  Convers the display and object to a string.

  Parameters:
    `display` - the display on which the object should be evaluated.
    `o` - the object to evaluate.
  Returns:
    the string representation of the object when evaluated in the display thread.

### hasStyle

    public static boolean hasStyle(Widget w,
                                   int style)

  Checks if the widget has the given style.

  Parameters:
    `w` - the widget.
    `style` - the style.
  Returns:
    `true` if the widget has the specified style bit set. Otherwise `false`.

### sleep

    public static void sleep(long millis)

  Sleeps for the given number of milliseconds.

  Parameters:
    `millis` - the time in milliseconds to sleep.

### allThreads

    public static Thread[] allThreads()

  Gets all the thread in the VM.

  Returns:
    all the threads in the VM.

### primaryThreadGroup

    public static ThreadGroup primaryThreadGroup()

  Gets the primary thread group.

  Returns:
    the top level thread group.

### display

    public static Display display()

  Caches the display for later use.

  Returns:
    the display.

### isEmptyOrNullText

    public static boolean isEmptyOrNullText(Widget w)

  Checks if the widget text is an empty string.

  Parameters:
    `w` - the widget
  Returns:
    `true` if the widget does not have any text set on it. Othrewise `false`.

### invokeMethod

    public static Object invokeMethod(Object object,
                                      String methodName)
                               throws NoSuchMethodException,
                                      IllegalAccessException,
                                      InvocationTargetException

  Invokes the specified methodName on the object, and returns the result, or `null` if the method returns void.

  Parameters:
    `object` - the object
    `methodName` - the method name
  Returns:
    the result of invoking the method on the object
  Throws:
    `NoSuchMethodException` - if the method methodName does not exist.
    `IllegalAccessException` - if the java access control does not allow invocation.
    `InvocationTargetException` - if the method methodName throws an exception.
  Since:
    1.0
  See Also:
    `Method.invoke(Object, Object[])`

### captureScreenshot

    public static boolean captureScreenshot(String fileName)

  This captures a screen shot and saves it to the given file.

  Parameters:
    `fileName` - the filename to save screenshot to.
  Returns:
    `true` if the screenshot was created and saved, `false` otherwise.
  Since:
    1.0

### captureScreenshot

    public static boolean captureScreenshot(String fileName,
                                            Control control)

  This captures a screen shot of a widget and saves it to the given file.

  Parameters:
    `fileName` - the filename to save screenshot to.
    `control` - the control
  Returns:
    `true` if the screenshot was created and saved, `false` otherwise.
  Since:
    2.0

### captureScreenshot

    public static boolean captureScreenshot(String fileName,
                                            Rectangle bounds)

  This captures a screen shot of an area and saves it to the given file.

  Parameters:
    `fileName` - the filename to save screenshot to.
    `bounds` - the area to capture.
  Returns:
    `true` if the screenshot was created and saved, `false` otherwise.
  Since:
    2.0

### waitForDisplayToAppear

    public static void waitForDisplayToAppear()

  Waits until a display appears.

  Throws:
    `TimeoutException` - if the condition does not evaluate to true after `SWTBotPreferences.TIMEOUT` milliseconds.

### waitForDisplayToAppear

    public static void waitForDisplayToAppear(long timeout)

  Waits until a display appears.

  Parameters:
    `timeout` - the timeout in ms.
  Throws:
    `TimeoutException` - if the condition does not evaluate to true after `timeout`ms milliseconds.

### isUIThread

    public static boolean isUIThread(Display display)

  Return true if the current thread is the UI thread.

  Parameters:
    `display` - the display
  Returns:
    `true` if the current thread is the UI thread, `false` otherwise.

### isUIThread

    public static boolean isUIThread()

  Return true if the current thread is the UI thread.

  Returns:
    `true` if this instance is running in the UI thread, `false` otherwise.

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