first commit for short variable name rule

src/main/atl/analysis.atl

@@ -47,6 +47,7 @@ helper def: allMeasures(project : java!Model): Set(smm!Measure) =
 		thisModule.tooManyStaticImports(),
 		thisModule.avoidDollarSigns(),
 		thisModule.shortClassName(),
+		thisModule.shortVariableName(),
 		thisModule.extendsObject(),
 		thisModule.unnecessaryReturn(),
 		thisModule.longVariable(),
@@ -184,6 +185,26 @@ rule MesureShortClassName(class : java!ClassDeclaration) {
 	}
 }
 
+-- A Measure instance if the variable violates the rule 'ShortVariableName'.
+rule MesureShortVariableName(variable : java!VariableDeclaration) {
+	to
+		om: smm!ObservedMeasure (
+			measure <- noc,
+			measurements <- measurement
+		),
+		noc: smm!DimensionalMeasure (
+			name <- 'ShortVariableName',
+			shortDescription <- 'Short Variable names with fewer than e.g. three characters are not recommended.'
+		),
+		measurement: smm!DirectMeasurement (
+			error <- 'The Variable ' + variable.name + ' is too short.'
+		)
+	do {
+		noc; 
+	}
+}
+
+
 
 -- creates a new Measure when Thread.run() is used instead of Thread.start()
 rule MeasureDontCallThreadRun(method : java!MethodInvocation) {

src/main/atl/codestyle.atl

@@ -64,3 +64,16 @@ helper def: longVariable() : Set(smm!Measure) =
 		-> select( variable | variable.name.size() > 17)
 		-> collect (variable | thisModule.MeasureLongVariable(variable));
 
+
+
+--------------------------------------------- ShortVariableName ---------------------------------------------
+-- Rule for metrics shortVariableName : return the set of variables measures that violates the rule.
+helper def: shortVariableName() : Set(smm!Measure) =
+    java!SingleVariableDeclaration.allInstances()
+		-> reject(each | each.isProxy() or not each.catchClause->oclIsUndefined() or not each.enhancedForStatement->oclIsUndefined())
+		-> select( i | i.name.size() < 3)
+		-> union( java!VariableDeclarationFragment.allInstances()
+			-> reject(each | each.isProxy() or each.variablesContainer.oclIsTypeOf(java!VariableDeclarationExpression))
+			-> select( i | i.name.size() < 3)
+		)
+		-> collect (i | thisModule.MesureShortVariableName(i));