Created
February 28, 2014 19:49
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Groovy - Getting Closure Shared Variable Names
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| // convert a method name to a variable name (remove ‘get’ and uncapitalize) | |
| def toVariableName = { String methodName -> | |
| if (!methodName || !methodName.startsWith('get')) return methodName | |
| def variableName = methodName - 'get' | |
| return "" + Character.toLowerCase(variableName.charAt(0)) + variableName.substring(1); | |
| } | |
| // some closure shared variables | |
| def x = 42 | |
| def m = [1,2,3,4] | |
| def c = { | |
| println x | |
| m.each { println it } | |
| } | |
| // get all declared getter methods and convert their names to variable names | |
| def getters = c.class.declaredMethods.findAll { it.name.startsWith 'get' }*.name // get all the getter methods from the Closure descendant only | |
| assert ['m', 'x'] == getters.collect { toVariableName(it) } // convert them to variable names |
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