private static boolean isIndexOfCall(@NotNull PsiMethodCallExpression expression) {
final PsiReferenceExpression methodExpression = expression.getMethodExpression();
final String methodName = methodExpression.getReferenceName();
if (!HardcodedMethodConstants.INDEX_OF.equals(methodName)) {
return false;
}
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 1) {
return false;
}
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (qualifier == null) {
return false;
}
final PsiType qualifierType = qualifier.getType();
if (qualifierType == null) {
return false;
}
final Project project = expression.getProject();
final GlobalSearchScope projectScope = GlobalSearchScope.allScope(project);
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiClass javaUtilListClass =
psiFacade.findClass(CommonClassNames.JAVA_UTIL_LIST, projectScope);
if (javaUtilListClass == null) {
return false;
}
final PsiElementFactory factory = psiFacade.getElementFactory();
final PsiClassType javaUtilListType = factory.createType(javaUtilListClass);
return javaUtilListType.isAssignableFrom(qualifierType);
}
@NotNull
private static Set<PsiClassType> filterInProjectExceptions(
@Nullable PsiMethod targetMethod, @NotNull List<PsiClassType> unhandledExceptions) {
if (targetMethod == null) return Collections.emptySet();
Set<PsiClassType> result = new HashSet<PsiClassType>();
if (targetMethod.getManager().isInProject(targetMethod)) {
PsiMethod[] superMethods = targetMethod.findSuperMethods();
for (PsiMethod superMethod : superMethods) {
Set<PsiClassType> classTypes = filterInProjectExceptions(superMethod, unhandledExceptions);
result.addAll(classTypes);
}
if (superMethods.length == 0) {
result.addAll(unhandledExceptions);
}
} else {
PsiClassType[] referencedTypes = targetMethod.getThrowsList().getReferencedTypes();
for (PsiClassType referencedType : referencedTypes) {
PsiClass psiClass = referencedType.resolve();
if (psiClass == null) continue;
for (PsiClassType exception : unhandledExceptions) {
if (referencedType.isAssignableFrom(exception)) result.add(exception);
}
}
}
return result;
}
private static boolean hasSuperMethodsWithoutExceptions(
@NotNull PsiMethod[] superMethods, @NotNull Set<PsiClassType> unhandledExceptions) {
for (PsiMethod superMethod : superMethods) {
PsiClassType[] referencedTypes = superMethod.getThrowsList().getReferencedTypes();
Set<PsiClassType> exceptions = new HashSet<PsiClassType>(unhandledExceptions);
for (PsiClassType referencedType : referencedTypes) {
for (PsiClassType exception : unhandledExceptions) {
if (referencedType.isAssignableFrom(exception)) exceptions.remove(exception);
}
}
if (!exceptions.isEmpty()) return true;
}
return false;
}
public static Set<String> suggestExpressionOfType(
final PsiClassType type, final PsiLiteralExpression context) {
PsiVariable[] variables = MacroUtil.getVariablesVisibleAt(context, "");
Set<String> result = new LinkedHashSet<String>();
for (PsiVariable var : variables) {
PsiType varType = var.getType();
if (type == null || type.isAssignableFrom(varType)) {
result.add(var.getNameIdentifier().getText());
}
}
PsiExpression[] expressions = MacroUtil.getStandardExpressionsOfType(context, type);
for (PsiExpression expression : expressions) {
result.add(expression.getText());
}
if (type != null) {
addAvailableMethodsOfType(type, context, result);
}
return result;
}
@Override
protected String validateAndCommitData() {
PsiManager manager = PsiManager.getInstance(myProject);
PsiElementFactory factory = JavaPsiFacade.getInstance(manager.getProject()).getElementFactory();
String name = getMethodName();
if (!JavaPsiFacade.getInstance(manager.getProject()).getNameHelper().isIdentifier(name)) {
return RefactoringMessageUtil.getIncorrectIdentifierMessage(name);
}
if (myMethod.canChangeReturnType() == MethodDescriptor.ReadWriteOption.ReadWrite) {
try {
((PsiTypeCodeFragment) myReturnTypeCodeFragment).getType();
} catch (PsiTypeCodeFragment.TypeSyntaxException e) {
myReturnTypeField.requestFocus();
return RefactoringBundle.message(
"changeSignature.wrong.return.type", myReturnTypeCodeFragment.getText());
} catch (PsiTypeCodeFragment.NoTypeException e) {
myReturnTypeField.requestFocus();
return RefactoringBundle.message("changeSignature.no.return.type");
}
}
List<ParameterTableModelItemBase<ParameterInfoImpl>> parameterInfos =
myParametersTableModel.getItems();
final int newParametersNumber = parameterInfos.size();
for (int i = 0; i < newParametersNumber; i++) {
final ParameterTableModelItemBase<ParameterInfoImpl> item = parameterInfos.get(i);
if (!JavaPsiFacade.getInstance(manager.getProject())
.getNameHelper()
.isIdentifier(item.parameter.getName())) {
return RefactoringMessageUtil.getIncorrectIdentifierMessage(item.parameter.getName());
}
final PsiType type;
try {
type = ((PsiTypeCodeFragment) parameterInfos.get(i).typeCodeFragment).getType();
} catch (PsiTypeCodeFragment.TypeSyntaxException e) {
return RefactoringBundle.message(
"changeSignature.wrong.type.for.parameter",
item.typeCodeFragment.getText(),
item.parameter.getName());
} catch (PsiTypeCodeFragment.NoTypeException e) {
return RefactoringBundle.message(
"changeSignature.no.type.for.parameter", item.parameter.getName());
}
item.parameter.setType(type);
if (type instanceof PsiEllipsisType && i != newParametersNumber - 1) {
return RefactoringBundle.message("changeSignature.vararg.not.last");
}
if (item.parameter.oldParameterIndex < 0) {
item.parameter.defaultValue =
ApplicationManager.getApplication()
.runWriteAction(
new Computable<String>() {
@Override
public String compute() {
return JavaCodeStyleManager.getInstance(myProject)
.qualifyClassReferences(item.defaultValueCodeFragment)
.getText();
}
});
String def = item.parameter.defaultValue;
def = def.trim();
if (!(type instanceof PsiEllipsisType)) {
try {
if (!StringUtil.isEmpty(def)) {
factory.createExpressionFromText(def, null);
}
} catch (IncorrectOperationException e) {
return e.getMessage();
}
}
}
}
ThrownExceptionInfo[] exceptionInfos = myExceptionsModel.getThrownExceptions();
PsiTypeCodeFragment[] typeCodeFragments = myExceptionsModel.getTypeCodeFragments();
for (int i = 0; i < exceptionInfos.length; i++) {
ThrownExceptionInfo exceptionInfo = exceptionInfos[i];
PsiTypeCodeFragment typeCodeFragment = typeCodeFragments[i];
try {
PsiType type = typeCodeFragment.getType();
if (!(type instanceof PsiClassType)) {
return RefactoringBundle.message(
"changeSignature.wrong.type.for.exception", typeCodeFragment.getText());
}
PsiClassType throwable =
JavaPsiFacade.getInstance(myProject)
.getElementFactory()
.createTypeByFQClassName("java.lang.Throwable", type.getResolveScope());
if (!throwable.isAssignableFrom(type)) {
return RefactoringBundle.message(
"changeSignature.not.throwable.type", typeCodeFragment.getText());
}
exceptionInfo.setType((PsiClassType) type);
} catch (PsiTypeCodeFragment.TypeSyntaxException e) {
return RefactoringBundle.message(
"changeSignature.wrong.type.for.exception", typeCodeFragment.getText());
} catch (PsiTypeCodeFragment.NoTypeException e) {
return RefactoringBundle.message("changeSignature.no.type.for.exception");
}
}
// warnings
try {
if (myMethod.canChangeReturnType() == MethodDescriptor.ReadWriteOption.ReadWrite) {
if (!RefactoringUtil.isResolvableType(
((PsiTypeCodeFragment) myReturnTypeCodeFragment).getType())) {
if (Messages.showOkCancelDialog(
myProject,
RefactoringBundle.message(
"changeSignature.cannot.resolve.return.type",
myReturnTypeCodeFragment.getText()),
RefactoringBundle.message("changeSignature.refactoring.name"),
Messages.getWarningIcon())
!= 0) {
return EXIT_SILENTLY;
}
}
}
for (ParameterTableModelItemBase<ParameterInfoImpl> item : parameterInfos) {
if (!RefactoringUtil.isResolvableType(
((PsiTypeCodeFragment) item.typeCodeFragment).getType())) {
if (Messages.showOkCancelDialog(
myProject,
RefactoringBundle.message(
"changeSignature.cannot.resolve.parameter.type",
item.typeCodeFragment.getText(),
item.parameter.getName()),
RefactoringBundle.message("changeSignature.refactoring.name"),
Messages.getWarningIcon())
!= 0) {
return EXIT_SILENTLY;
}
}
}
} catch (PsiTypeCodeFragment.IncorrectTypeException ignored) {
}
return null;
}
private boolean validateInputData() {
if (!isGroovyMethodName(getNewName())) {
showErrorHint(message("name.is.wrong", getNewName()));
return false;
}
if (!checkType(myReturnTypeCodeFragment, true)) {
showErrorHint(message("return.type.is.wrong"));
return false;
}
List<GrTableParameterInfo> parameterInfos = myParameterModel.getParameterInfos();
for (int i = 0; i < parameterInfos.size(); i++) {
GrTableParameterInfo info = parameterInfos.get(i);
if (!StringUtil.isJavaIdentifier(info.getName())) {
showErrorHint(message("name.is.wrong", info.getName()));
return false;
}
if (!checkType(info.getTypeFragment(), i == parameterInfos.size() - 1)) {
showErrorHint(message("type.for.parameter.is.incorrect", info.getName()));
return false;
}
String defaultValue = info.getDefaultValue();
final String initializer = info.getDefaultInitializerFragment().getText();
if (info.getOldIndex() < 0
&& defaultValue.trim().length() == 0
&& initializer.trim().length() == 0) {
showErrorHint(message("specify.default.value", info.getName()));
return false;
}
}
ThrownExceptionInfo[] exceptionInfos = myExceptionTableModel.getThrownExceptions();
PsiTypeCodeFragment[] typeCodeFragments = myExceptionTableModel.getTypeCodeFragments();
for (int i = 0; i < exceptionInfos.length; i++) {
ThrownExceptionInfo exceptionInfo = exceptionInfos[i];
PsiTypeCodeFragment typeCodeFragment = typeCodeFragments[i];
try {
PsiType type = typeCodeFragment.getType();
if (!(type instanceof PsiClassType)) {
showErrorHint(
GroovyRefactoringBundle.message(
"changeSignature.wrong.type.for.exception", typeCodeFragment.getText()));
return false;
}
PsiClassType throwable =
JavaPsiFacade.getInstance(myMethod.getProject())
.getElementFactory()
.createTypeByFQClassName("java.lang.Throwable", myMethod.getResolveScope());
if (!throwable.isAssignableFrom(type)) {
showErrorHint(
GroovyRefactoringBundle.message(
"changeSignature.not.throwable.type", typeCodeFragment.getText()));
return false;
}
exceptionInfo.setType((PsiClassType) type);
} catch (PsiTypeCodeFragment.TypeSyntaxException e) {
showErrorHint(
GroovyRefactoringBundle.message(
"changeSignature.wrong.type.for.exception", typeCodeFragment.getText()));
return false;
} catch (PsiTypeCodeFragment.NoTypeException e) {
showErrorHint(GroovyRefactoringBundle.message("changeSignature.no.type.for.exception"));
return false;
}
}
return true;
}
