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Injecting Text into a running java application

Posted on 2012-12-26
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Last Modified: 2013-02-04
I have a java app that i launch via a script that calls a .jar file.  That app (awt) is just a big form with jbutton and etc.  i DO NOT have the java source code for this app.

Is it possible to create a second app that will AUTOFILL corresponding fields with values retrieved from the db?

For example:  First name is entered into a webform, gets stored in a database and when the "second app" is executed it pulls the data and inserts it into the corresponding mapped field.

Decompiling is not an option as the app gets updates every now and then.

Need an out of the box solution!
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Question by:Squadless
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dpearson earned 500 total points
ID: 38722420
Your best bet is to explore the "Robot" class:
http://docs.oracle.com/javase/7/docs/api/java/awt/Robot.html

This will let you generate mouse events and keyboard events directly.  You should store the location of the fields on the webform in the second app alongside the data that should be entered in the field.  Then you can move the mouse to the correct place on screen, click in the text field and then send keyboard events to type in the values you wish to enter.

When the app is updated, you may need to update the location of the fields if they have moved to a new position on the screen.

Hope that helps,

Doug
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LVL 86

Expert Comment

by:CEHJ
ID: 38724300
Might be worth a look at http://teststack.github.com/White/
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