@NonNls
private static String computeConstantBooleanText(PsiExpression expression) {
if (!(expression instanceof PsiReferenceExpression)) {
return null;
}
final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) expression;
final PsiElement target = referenceExpression.resolve();
if (!(target instanceof PsiField)) {
return null;
}
final PsiField field = (PsiField) target;
final PsiClass containingClass = field.getContainingClass();
if (containingClass == null) {
return null;
}
final String qualifiedName = containingClass.getQualifiedName();
if (!CommonClassNames.JAVA_LANG_BOOLEAN.equals(qualifiedName)) {
return null;
}
@NonNls final String name = field.getName();
if ("TRUE".equals(name)) {
return "true";
} else if ("FALSE".equals(name)) {
return "false";
} else {
return null;
}
}
private static boolean isBoolean(@Nullable PsiType propertyType) {
return PsiType.BOOLEAN.equals(propertyType)
|| propertyType != null
&& CommonClassNames.JAVA_LANG_BOOLEAN.equals(propertyType.getCanonicalText());
}