protected boolean mayPropagateExceptions() {
final ThrownExceptionInfo[] exceptions = myExceptionsModel.getThrownExceptions();
final PsiClassType[] types = myMethod.getMethod().getThrowsList().getReferencedTypes();
if (exceptions.length <= types.length) {
return false;
}
for (int i = 0; i < types.length; i++) {
if (exceptions[i].getOldIndex() != i) {
return false;
}
}
return true;
}
@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;
}
protected ThrownExceptionInfo[] getExceptions() {
return myExceptionsModel.getThrownExceptions();
}