@Override
public void visitMethodCallExpression(PsiMethodCallExpression expression) {
super.visitMethodCallExpression(expression);
final PsiReferenceExpression methodExpression = expression.getMethodExpression();
@NonNls final String name = methodExpression.getReferenceName();
if (HardcodedMethodConstants.TO_STRING.equals(name)) {
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 0) {
return;
}
final PsiExpression qualifier = methodExpression.getQualifierExpression();
checkExpression(qualifier);
} else if ("append".equals(name)) {
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (!TypeUtils.expressionHasTypeOrSubtype(
qualifier, CommonClassNames.JAVA_LANG_ABSTRACT_STRING_BUILDER)) {
return;
}
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 1) {
return;
}
final PsiExpression argument = arguments[0];
checkExpression(argument);
} else if ("valueOf".equals(name)) {
final PsiExpression qualifierExpression = methodExpression.getQualifierExpression();
if (!(qualifierExpression instanceof PsiReferenceExpression)) {
return;
}
final PsiReferenceExpression referenceExpression =
(PsiReferenceExpression) qualifierExpression;
final String canonicalText = referenceExpression.getCanonicalText();
if (!CommonClassNames.JAVA_LANG_STRING.equals(canonicalText)) {
return;
}
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 1) {
return;
}
final PsiExpression argument = arguments[0];
checkExpression(argument);
}
}
