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Working with User Defined Properties using ANT

Its quite useful to work with user defined properties using ANT.
Lets say you have a build.xml in which you want to run a target based on a user input...In my case I want to decide on which URL to pass to Selenium based on the user selection of the stage to run the tests against...


Add the following to the build.xml: 



Now you can access the property from your program as 
String urlString = System.getProperty("url");


If you are using TestNG framework, then you should add the property to your ant task in the build.xml file as: 




       






To send this property from command line, you should send the property as 
-Durl=







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