コード例 #1
0
 private static String compoundLambdaOrMethodReference(
     PsiParameter parameter,
     PsiExpression expression,
     String samQualifiedName,
     PsiType[] samParamTypes) {
   String result = "";
   final Project project = parameter.getProject();
   final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
   final PsiClass functionClass =
       psiFacade.findClass(samQualifiedName, GlobalSearchScope.allScope(project));
   for (int i = 0; i < samParamTypes.length; i++) {
     if (samParamTypes[i] instanceof PsiPrimitiveType) {
       samParamTypes[i] = ((PsiPrimitiveType) samParamTypes[i]).getBoxedType(expression);
     }
   }
   final PsiClassType functionalInterfaceType =
       functionClass != null
           ? psiFacade.getElementFactory().createType(functionClass, samParamTypes)
           : null;
   final PsiParameter[] parameters = {parameter};
   final String methodReferenceText =
       LambdaCanBeMethodReferenceInspection.convertToMethodReference(
           expression, parameters, functionalInterfaceType, null);
   if (methodReferenceText != null) {
     LOG.assertTrue(functionalInterfaceType != null);
     result += "(" + functionalInterfaceType.getCanonicalText() + ")" + methodReferenceText;
   } else {
     result += parameter.getName() + " -> " + expression.getText();
   }
   return result;
 }
コード例 #2
0
 private static String createInitializerReplacementText(
     PsiType varType, PsiExpression initializer) {
   final PsiType initializerType = initializer.getType();
   final PsiClassType rawType =
       initializerType instanceof PsiClassType
           ? ((PsiClassType) initializerType).rawType()
           : null;
   final PsiClassType rawVarType =
       varType instanceof PsiClassType ? ((PsiClassType) varType).rawType() : null;
   if (rawType != null
       && rawVarType != null
       && rawType.equalsToText(CommonClassNames.JAVA_UTIL_ARRAY_LIST)
       && rawVarType.equalsToText(CommonClassNames.JAVA_UTIL_LIST)) {
     return "toList()";
   } else if (rawType != null
       && rawVarType != null
       && rawType.equalsToText(CommonClassNames.JAVA_UTIL_HASH_SET)
       && rawVarType.equalsToText(CommonClassNames.JAVA_UTIL_SET)) {
     return "toSet()";
   } else if (rawType != null) {
     return "toCollection(" + rawType.getClassName() + "::new)";
   } else {
     return "toCollection(() -> " + initializer.getText() + ")";
   }
 }