Proposal For Inclusion of Robot and ParametersImpl in the Public API
Michael Ennen
mike.ennen at gmail.com
Thu Mar 22 09:19:40 UTC 2018
I should have been more clear in my previous message. I am creating the
Robot thusly:
javafx.scene.robot.Robot constructor (public API so JavaFX users can simply
instantiate one):
public Robot() {
// Ensure we have proper permission for creating a robot.
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(CREATE_ROBOT_PERMISSION);
}
peer = GlassRobot.getRobot();
}
static method com.sun.glass.ui.GlassRobot.getRobot():
public static GlassRobot getRobot() {
return Application.GetApplication().createRobot();
}
This seems straight-forward. I am not sure how to change this to Toolkit,
because
the individual application implementations (GtkApplication, WinApplication,
etc.)
all instantiate their correct, platform-specific Robot instance.
On Wed, Mar 21, 2018 at 11:58 PM, Michael Ennen <mike.ennen at gmail.com>
wrote:
> Quick question:
>
> Currently a Robot is created by calling `Application.createRobot` which
> delegates
> to the underlying platform-specific application class (GtkApplication,
> WinApplication, etc.)
> via `com.sun.glass.ui.Application.GetApplication().createRobot();`
>
>
> You suggest moving this to the Toolkit class? If GtkRobot, WinRobot, etc.
> all extend
> the abstract base class GlassRobot (the peer), how will Toolkit be able to
> instantiate
> the correct, platform-specific class? Sorry, I got stuck trying to
> implement this part
> of your review. The rest is easy for me to follow and will be no problem.
>
>
> On Tue, Mar 20, 2018 at 4:28 PM, Kevin Rushforth <
> kevin.rushforth at oracle.com> wrote:
>
>> Hi Michael,
>>
>> Here is some quick feedback.
>>
>> I think what you have is heading in the right direction as far as the
>> public API goes. I'd like to get some feedback from other developers as
>> well. I would want to make sure that the API meets the needs of multiple
>> developers.
>>
>> I took a look at the public class and as I may have mentioned earlier, it
>> will help to split the API and the implementation even further, by creating
>> a peer object as we do for Scene, Stage, etc., rather than having the glass
>> platform implementation directly subclass the public Robot class.
>>
>> Then you can easily delegate to the Glass Robot peer without having any
>> implementation leak into the public API (e.g., the overridden create and
>> dispose methods).
>>
>> So what you would have in that case is something more like this:
>>
>> public final class Robot {
>>
>> private final GlassRobot peer;
>>
>> public Robot() {
>> // Ensure we have proper permission for creating a robot.
>> final SecurityManager sm = System.getSecurityManager();
>> if (sm != null) {
>> sm.checkPermission(CREATE_ROBOT_PERMISSION);
>> }
>>
>> Application.checkEventThread();
>>
>> peer = Toolkit.createRobot();
>> }
>>
>> // NOTE: for the rest, the peer can do the thread check
>>
>> public void keyPress(KeyCode keyCode) {
>> peer.keyPress(keyCode);
>> }
>>
>> public void keyRelease(KeyCode keyCode) {
>> peer.keyRelease(keyCode);
>> }
>>
>> public final void keyType(KeyCode keyCode) {
>> keyPress(keyCode);
>> keyRelease(keyCode);
>> }
>>
>> ...
>>
>>
>> And so on. The Toolkit class can return a glass robot "peer" which should
>> then only need minor changes (e.g., to the signatures of methods that have
>> slightly different types) from the current one. The QuantumToolkit
>> implementation of createPeer can construct, initialize, and return the
>> GlassRobot instance. The StubToolkit and DummyToolkit implementations can
>> throw an UnsuppportedOperationException.
>>
>> As for the public API, the set of methods you have seem mostly what we
>> would want. Here are a few quick thoughts:
>>
>> void keyPress(KeyCode keyCode);
>> void keyRelease(KeyCode keyCode);
>> void keyType(KeyCode keyCode);
>>
>> int getMouseX(); // maybe should return double?
>> int getMouseY();
>>
>> Point2D getMousePosition();
>>
>> void mouseMove(int x, int y); // maybe params should be double?
>>
>> void mouseMove(Point2D location);
>>
>> void mousePress(MouseButton button); // This one seems
>> redundant...covered by the next method
>> void mousePress(MouseButton... buttons);
>>
>> void mouseRelease(MouseButton button); // This one seems
>> redundant...covered by the next method
>> void mouseRelease(MouseButton... buttons);
>>
>> // I don't see the need for this method
>> void mouseWheel(int wheelAmt, VerticalDirection direction);
>>
>> void mouseWheel(int wheelAmt);
>>
>> Color getPixelColor(int x, int y); // maybe params should be double?
>>
>> Color getPixelColor(Point2D location);
>>
>> // Probably the following should return WritableImage to match Snapshot.
>> maybe also have a variable that takes a WritableImage to allow caller to
>> allocate and reuse (that might overkill in this case)?
>>
>> Image getScreenCapture(int x, int y, int width, int height); // maybe
>> params should be double?
>> Image getScreenCapture(int x, int y, int width, int height, boolean
>> scaleToFit); // maybe params should be double?
>> Image getScreenCapture(Rectangle2D region);
>> Image getScreenCapture(Rectangle2D region, boolean scaleToFit);
>>
>> void getScreenCapture(int x, int y, int width, int height, int[] data);
>> // Not sure we need / want this one
>>
>> The biggest question I have is whether we should follow the pattern of
>> the other related public APIs in Screen and Stage and use doubles
>> everywhere rather than ints. Also, we will need to see whether there are
>> any implications for multiple screens (probably not, but the docs will need
>> to specify what coordinates the x, and y values are in).
>>
>> Hopefully this will spark a discussion.
>>
>>
>> -- Kevin
>>
>>
>> Michael Ennen wrote:
>>
>> Ping :)
>>
>> On Mon, Jan 8, 2018 at 4:28 PM, Kevin Rushforth <
>> kevin.rushforth at oracle.com> wrote:
>>
>>> I'll take a look some time after RDP2 of JDK 10.
>>>
>>>
>>> -- Kevin
>>>
>>>
>>> Michael Ennen wrote:
>>>
>>> Hey Kevin,
>>>
>>> Hope you had a good holiday. Hopefully you will get some time in the
>>> coming weeks
>>> to review my work.
>>>
>>> Thanks!
>>>
>>> On Wed, Dec 20, 2017 at 3:05 PM, Kevin Rushforth <
>>> kevin.rushforth at oracle.com> wrote:
>>>
>>>> Sure, no problem. One quick comment is that a common way to solve this
>>>> is by delegating to an implementation class, which would then be
>>>> sub-classes.
>>>>
>>>>
>>>> -- Kevin
>>>>
>>>>
>>>> Michael Ennen wrote:
>>>>
>>>> I am not trying to be a burden here. I understand that you may not have
>>>> time to hand-hold
>>>> to this degree. I will try and make progress, sorry for the follow up
>>>> question.
>>>>
>>>> On Wed, Dec 20, 2017 at 2:08 PM, Michael Ennen <mike.ennen at gmail.com>
>>>> wrote:
>>>>
>>>>> How can Robot call into the implementation when it is a super class of
>>>>> the implementations?
>>>>>
>>>>> On Wed, Dec 20, 2017 at 2:04 PM, Kevin Rushforth <
>>>>> kevin.rushforth at oracle.com> wrote:
>>>>>
>>>>>>
>>>>>>
>>>>>> Michael Ennen wrote:
>>>>>>
>>>>>> I have a question about how to proceed with the Robot code.
>>>>>>
>>>>>> The base abstract Robot class is: https://github.com/brcolow
>>>>>> /openjfx/blob/master/modules/javafx.graphics/src/main/java/j
>>>>>> avafx/scene/robot/Robot.java
>>>>>>
>>>>>> As you can see for each method, such as "getMouseX()" there is a "_"
>>>>>> prefixed method
>>>>>> which is abstract and a non-prefixed method:
>>>>>>
>>>>>> protected abstract int _getMouseX();
>>>>>>
>>>>>> public int getMouseX() {
>>>>>> Application.checkEventThread();
>>>>>> return _getMouseX();
>>>>>> }
>>>>>>
>>>>>> I have copied this from the private Robot API.
>>>>>>
>>>>>> Is there a better way to do this? Would this pass review?
>>>>>>
>>>>>>
>>>>>> Yes there are better ways to do this. No it would not pass review,
>>>>>> since this would be leaking implementation into the public API.
>>>>>>
>>>>>> Rather than copying the public / protected methods from the internal
>>>>>> package, it probably makes more sense to start with what a Robot API should
>>>>>> look like and then have that call into the implementation (suitably
>>>>>> modified so it better matches the public API). For one thing you will then
>>>>>> leave the implementation, including the per-platform code, where it belongs
>>>>>> -- in glass. The Robot API can be informed by the current implementation,
>>>>>> but should not be defined by it.
>>>>>>
>>>>>> -- Kevin
>>>>>>
>>>>>>
>>>>>>
>>>>>> Thanks very much.
>>>>>>
>>>>>>
>>>>>> On Tue, Dec 5, 2017 at 5:29 PM, Kevin Rushforth <
>>>>>> kevin.rushforth at oracle.com> wrote:
>>>>>>
>>>>>>> Glad you got the build working. You can post back on this thread
>>>>>>> when you are ready.
>>>>>>>
>>>>>>>
>>>>>>> -- Kevin
>>>>>>>
>>>>>>>
>>>>>>> Michael Ennen wrote:
>>>>>>>
>>>>>>> Correction:
>>>>>>>
>>>>>>> Adding ""--add-exports javafx.graphics/javafx.scene.robot=ALL-UNNAMED"
>>>>>>> to buildSrc/addExports.
>>>>>>>
>>>>>>> For posterity :)
>>>>>>>
>>>>>>> On Mon, Dec 4, 2017 at 6:08 PM, Michael Ennen <mike.ennen at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Ah, indeed, missed adding "--add-opens
>>>>>>>> javafx.graphics/javafx.scene.robot=ALL-UNNAMED" to
>>>>>>>> buildSrc/addExports.
>>>>>>>> Thanks for the guidance on that.
>>>>>>>>
>>>>>>>> I will continue to work on this in the GitHub repo and polish it up
>>>>>>>> (add javadocs, better method signatures, etc.) and
>>>>>>>> even plan on maybe improving the underlying native Robot
>>>>>>>> implementations (for example fixing/improving the
>>>>>>>> way color profiles are handled for MacRobot).
>>>>>>>>
>>>>>>>> I will also take a look at "fixing" JemmyFX to use the new public
>>>>>>>> API (as well as any other place in the JavaFX code
>>>>>>>> base that does).
>>>>>>>>
>>>>>>>> I was expecting that JDK 11 would be the appropriate time frame,
>>>>>>>> especially because it will be the release where
>>>>>>>> private APIs will be totally inaccessible, correct?
>>>>>>>>
>>>>>>>> After I get it in a reasonable state should I post back on this
>>>>>>>> mailing list thread or what would be the appropriate
>>>>>>>> way?
>>>>>>>>
>>>>>>>> Thanks Kevin.
>>>>>>>>
>>>>>>>> On Mon, Dec 4, 2017 at 5:12 PM, Kevin Rushforth <
>>>>>>>> kevin.rushforth at oracle.com> wrote:
>>>>>>>>
>>>>>>>>> This is a limitation of the the way --patch-modules works. You
>>>>>>>>> will need to add an entry in:
>>>>>>>>>
>>>>>>>>> buildSrc/addExports
>>>>>>>>>
>>>>>>>>> Btw, as for the proposal itself, this might need to be a JEP
>>>>>>>>> depending on the scope. In any case, it could be considered in the JDK 11
>>>>>>>>> time frame, but there are several things that need to be worked out before
>>>>>>>>> making Robot a public API, including the fact that the JemmyFX framework in
>>>>>>>>> the openjfx/jfx/tests directory uses Robot. Once you get a working
>>>>>>>>> prototype, it would be interesting to discuss it in more detail.
>>>>>>>>>
>>>>>>>>> -- Kevin
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Michael Ennen wrote:
>>>>>>>>>
>>>>>>>>> Currently I am stuck with tests not being able to see the new
>>>>>>>>> "javafx.scene.robot" module:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Task :systemTests:compileTestJava
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> C:\Users\brcolow\dev\openjfx\tests\system\src\test\java\test\robot\com\sun\glass\ui\monocle\ModalDialogTest.java:34:
>>>>>>>>> error: package javafx.scene.robot is not visible
>>>>>>>>> import javafx.scene.robot.Robot;
>>>>>>>>> ^
>>>>>>>>> (package javafx.scene.robot is declared in module javafx.graphics, which
>>>>>>>>> does not export it)
>>>>>>>>> C:\Users\brcolow\dev\openjfx\tests\system\src\test\java\test\robot\com\sun\glass\ui\monocle\RobotTest.java:33:
>>>>>>>>> error: package javafx.scene.robot is not visible
>>>>>>>>> import javafx.scene.robot.Robot;
>>>>>>>>>
>>>>>>>>> I have added:
>>>>>>>>>
>>>>>>>>> exports javafx.scene.robot;
>>>>>>>>>
>>>>>>>>> to: modules/javafx.graphics/src/main/java/module-info.java
>>>>>>>>>
>>>>>>>>> But this does not seem to be enough.
>>>>>>>>>
>>>>>>>>> On Sun, Dec 3, 2017 at 4:48 PM, Michael Ennen <mike.ennen at gmail.com> <mike.ennen at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> I am still working on all the necessary changes to actually allow openjfx
>>>>>>>>> to compile.
>>>>>>>>> Tons to learn in that arena and I know the code as it is written won't
>>>>>>>>> totally work.
>>>>>>>>> For example one can no longer:
>>>>>>>>>
>>>>>>>>> #include "com_sun_glass_ui_Robot.h"
>>>>>>>>>
>>>>>>>>> as in openjfx\modules\javafx.graphics\src\main\native-glass\win\Robot.cpp
>>>>>>>>>
>>>>>>>>> But I am not sure how those headers are generated and if I can just simply
>>>>>>>>> change
>>>>>>>>> it to "#include javafx_scene_robot_Robot.h" (which I very much doubt).
>>>>>>>>>
>>>>>>>>> On Sun, Dec 3, 2017 at 2:29 PM, Michael Ennen <mike.ennen at gmail.com> <mike.ennen at gmail.com>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> I have created a (small) proposal (building on the work of Benjamin
>>>>>>>>> Gudehaus) about moving some classes in to the public API so that TestFX (a
>>>>>>>>> JavaFX UI testing framework) can continue to work with future JDK releases.
>>>>>>>>> The somewhat nicely formatted proposal can be found as a Github gist:
>>>>>>>>> https://gist.github.com/brcolow/26370db6cab0355186d4a1d13b30fc19
>>>>>>>>>
>>>>>>>>> All suggested changes can be found by using Github Compare View:
>>>>>>>>> https://github.com/brcolow/openjfx/compare/4ccdbbbce5234e2c5
>>>>>>>>> e1f4f1cb8f20430feaa53b6...master
>>>>>>>>>
>>>>>>>>> But I have copied it to this email for convenience:
>>>>>>>>>
>>>>>>>>> ----------------------- PROPOSAL -----------------------
>>>>>>>>>
>>>>>>>>> TestFX, the JavaFX GUI testing framework currently requires 4 (four)
>>>>>>>>> classes that are part of the JDK's private API. They are:
>>>>>>>>>
>>>>>>>>> [com.sun.glass.ui.Application](http://hg.openjdk.java.net/op
>>>>>>>>> enjfx/10-dev/rt/file/tip/modules/javafx.graphics/src/main/
>>>>>>>>> java/com/sun/glass/ui/Application.java)
>>>>>>>>> [com.sun.glass.ui.Pixels](http://hg.openjdk.java.net/openjfx
>>>>>>>>> /10-dev/rt/file/tip/modules/javafx.graphics/src/main/java/
>>>>>>>>> com/sun/glass/ui/Pixels.java)
>>>>>>>>> [com.sun.glass.ui.Robot](http://hg.openjdk.java.net/openjfx/
>>>>>>>>> 10-dev/rt/file/tip/modules/javafx.graphics/src/main/java/com
>>>>>>>>> /sun/glass/ui/Robot.java)
>>>>>>>>> [com.sun.javafx.application.ParametersImpl](http://hg.openjdk.java.net/openjfx/10-dev/rt/file/tip/modules/javafx.
>>>>>>>>> graphics/src/main/java/com/sun/javafx/application/ParametersImpl.java <http://k.java.net/openjfx/10-dev/rt/file/tip/modules/javafx.graphics/src/main/java/com/sun/javafx/application/ParametersImpl.java>)
>>>>>>>>>
>>>>>>>>> In order to compile the project with Java 9, we use the following flags:
>>>>>>>>>
>>>>>>>>> ```sh
>>>>>>>>> --add-exports javafx.graphics/com.sun.glass.ui=org.testfx
>>>>>>>>> --add-exports javafx.graphics/com.sun.javafx.application=org.testfx
>>>>>>>>> ```
>>>>>>>>>
>>>>>>>>> If the --add-exports flags are disabled in a future Java release TestFX
>>>>>>>>> will require these four classes to be moved into the public API to
>>>>>>>>> continue working.
>>>>>>>>>
>>>>>>>>> While these classes are probably not very useful for applications to use
>>>>>>>>> directly, any JavaFX application wanting to write UI tests will most
>>>>>>>>> likely
>>>>>>>>> use TestFX and thus they will indirectly be using these classes.
>>>>>>>>>
>>>>>>>>> JavaFX internal tests also use these classes for essentially the same
>>>>>>>>> purpose (UI tests).
>>>>>>>>>
>>>>>>>>> ### Details of Usage For Each Private API Class
>>>>>>>>>
>>>>>>>>> #### com.sun.javafx.application.ParametersImpl
>>>>>>>>>
>>>>>>>>> ##### TestFX Usage
>>>>>>>>>
>>>>>>>>> ```java
>>>>>>>>> ParametersImpl parameters = new ParametersImpl(applicationArgs);
>>>>>>>>> ParametersImpl.registerParameters(application, parameters);
>>>>>>>>> ```
>>>>>>>>>
>>>>>>>>> The parameters are set on a constructed Application.
>>>>>>>>>
>>>>>>>>> ##### Suggested Public API Replacement
>>>>>>>>>
>>>>>>>>> `javafx.application.Application`:
>>>>>>>>>
>>>>>>>>> ```java
>>>>>>>>> /**
>>>>>>>>> * Sets the parameters for this Application.
>>>>>>>>> *
>>>>>>>>> * <p>
>>>>>>>>> * NOTE: this method should not be called from the Application
>>>>>>>>> constructor,
>>>>>>>>> * as it will return null. It may be called in the init() method or any
>>>>>>>>> * time after that.
>>>>>>>>> * </p>
>>>>>>>>> *
>>>>>>>>> * @param parameters the parameters to set for this Application
>>>>>>>>> */
>>>>>>>>> public final Parameters setParameters(String... parameters) {
>>>>>>>>> ParametersImpl parameters = new ParametersImpl(parameters);
>>>>>>>>> ParametersImpl.registerParameters(this, parameters);
>>>>>>>>> }
>>>>>>>>> ```
>>>>>>>>>
>>>>>>>>> #### com.sun.glass.ui.Application
>>>>>>>>>
>>>>>>>>> ##### TestFX Usage
>>>>>>>>>
>>>>>>>>> ```java
>>>>>>>>> return Application.GetApplication().createRobot();
>>>>>>>>> ```
>>>>>>>>>
>>>>>>>>> The Application class is used to instantiate a Robot.
>>>>>>>>>
>>>>>>>>> ##### Suggested Public API Replacement
>>>>>>>>>
>>>>>>>>> `javafx.application.Application`:
>>>>>>>>> https://github.com/brcolow/openjfx/blob/master/modules/javaf
>>>>>>>>> x.graphics/src/main/java/javafx/application/Application.java#L527
>>>>>>>>>
>>>>>>>>> #### com.sun.glass.ui.Pixels
>>>>>>>>>
>>>>>>>>> ##### TestFX Usage
>>>>>>>>>
>>>>>>>>> ```java
>>>>>>>>> @Override
>>>>>>>>> public Image getCaptureRegion(Rectangle2D region) {
>>>>>>>>> return waitForAsyncFx(RETRIEVAL_TIMEOUT_IN_MILLIS, () -> {
>>>>>>>>> Pixels glassPixels = useRobot().getScreenCapture(
>>>>>>>>> (int) region.getMinX(), (int) region.getMinY(),
>>>>>>>>> (int) region.getWidth(), (int) region.getHeight()
>>>>>>>>> );
>>>>>>>>> return convertFromGlassPixels(glassPixels);
>>>>>>>>> });
>>>>>>>>> }
>>>>>>>>>
>>>>>>>>> private Image convertFromGlassPixels(Pixels glassPixels) {
>>>>>>>>> int width = glassPixels.getWidth();
>>>>>>>>> int height = glassPixels.getHeight();
>>>>>>>>> WritableImage image = new WritableImage(width, height);
>>>>>>>>>
>>>>>>>>> int bytesPerComponent = glassPixels.getBytesPerComponent();
>>>>>>>>> if (bytesPerComponent == INT_BUFFER_BYTES_PER_COMPONENT) {
>>>>>>>>> IntBuffer intBuffer = (IntBuffer) glassPixels.getPixels();
>>>>>>>>> writeIntBufferToImage(intBuffer, image);
>>>>>>>>> }
>>>>>>>>>
>>>>>>>>> return image;
>>>>>>>>> }
>>>>>>>>>
>>>>>>>>> private void writeIntBufferToImage(IntBuffer intBuffer,
>>>>>>>>> WritableImage image) {
>>>>>>>>> PixelWriter pixelWriter = image.getPixelWriter();
>>>>>>>>> double width = image.getWidth();
>>>>>>>>> double height = image.getHeight();
>>>>>>>>>
>>>>>>>>> for (int y = 0; y < height; y++) {
>>>>>>>>> for (int x = 0; x < width; x++) {
>>>>>>>>> int argb = intBuffer.get();
>>>>>>>>> pixelWriter.setArgb(x, y, argb);
>>>>>>>>> }
>>>>>>>>> }
>>>>>>>>> }
>>>>>>>>> ```
>>>>>>>>>
>>>>>>>>> Pixels is used to create a screen capture.
>>>>>>>>>
>>>>>>>>> ##### Suggested Public API Replacement
>>>>>>>>>
>>>>>>>>> Bypass needing to expose the Pixels class to the public API by
>>>>>>>>> changing the getScreenCapture method of Robot - that is, changing:
>>>>>>>>>
>>>>>>>>> `public Pixels getScreenCapture(int x, int y, int width, int height)`
>>>>>>>>>
>>>>>>>>> to:
>>>>>>>>>
>>>>>>>>> `public Image getScreenCapture(int x, int y, int width, int height)`
>>>>>>>>>
>>>>>>>>> #### com.sun.glass.ui.Robot
>>>>>>>>>
>>>>>>>>> ##### TestFX Usage
>>>>>>>>>
>>>>>>>>> Essentially every method of Robot is used:
>>>>>>>>>
>>>>>>>>> ```
>>>>>>>>> public void keyPress(int code)
>>>>>>>>> public void keyRelease(int code)
>>>>>>>>> public int getMouseX()
>>>>>>>>> public int getMouseY()
>>>>>>>>> public void mouseMove(int x, int y)
>>>>>>>>> public void mousePress(int buttons)
>>>>>>>>> public void mouseRelease(int buttons)
>>>>>>>>> public void mouseWheel(int wheelAmt)
>>>>>>>>> public int getPixelColor(int x, int y)
>>>>>>>>> public Pixels getScreenCapture(int x, int y, int width, int height)
>>>>>>>>> ```
>>>>>>>>>
>>>>>>>>> ##### Suggested Public API Replacement
>>>>>>>>> https://github.com/brcolow/openjfx/blob/master/modules/javaf
>>>>>>>>> x.graphics/src/main/java/javafx/scene/robot/Robot.java
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Michael Ennen
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Michael Ennen
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Michael Ennen
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Michael Ennen
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Michael Ennen
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Michael Ennen
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Michael Ennen
>>>>
>>>>
>>>
>>>
>>> --
>>> Michael Ennen
>>>
>>>
>>
>>
>> --
>> Michael Ennen
>>
>>
>
>
> --
> Michael Ennen
>
--
Michael Ennen
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