@Override
protected void updateTitle(@Nullable final PsiVariable variable, final String value) {
final PsiElement declarationScope =
variable != null ? ((PsiParameter) variable).getDeclarationScope() : null;
if (declarationScope instanceof PsiMethod) {
final PsiMethod psiMethod = (PsiMethod) declarationScope;
final StringBuilder buf = new StringBuilder();
buf.append(psiMethod.getName()).append(" (");
boolean frst = true;
final List<TextRange> ranges2Remove = new ArrayList<>();
TextRange addedRange = null;
for (PsiParameter parameter : psiMethod.getParameterList().getParameters()) {
if (frst) {
frst = false;
} else {
buf.append(", ");
}
int startOffset = buf.length();
if (myMustBeFinal || myPanel.isGenerateFinal()) {
buf.append("final ");
}
buf.append(parameter.getType().getPresentableText())
.append(" ")
.append(variable == parameter ? value : parameter.getName());
int endOffset = buf.length();
if (variable == parameter) {
addedRange = new TextRange(startOffset, endOffset);
} else if (myPanel.isParamToRemove(parameter)) {
ranges2Remove.add(new TextRange(startOffset, endOffset));
}
}
buf.append(")");
setPreviewText(buf.toString());
final MarkupModel markupModel =
DocumentMarkupModel.forDocument(getPreviewEditor().getDocument(), myProject, true);
markupModel.removeAllHighlighters();
for (TextRange textRange : ranges2Remove) {
markupModel.addRangeHighlighter(
textRange.getStartOffset(),
textRange.getEndOffset(),
0,
getTestAttributesForRemoval(),
HighlighterTargetArea.EXACT_RANGE);
}
markupModel.addRangeHighlighter(
addedRange.getStartOffset(),
addedRange.getEndOffset(),
0,
getTextAttributesForAdd(),
HighlighterTargetArea.EXACT_RANGE);
revalidate();
}
}
@Nullable
private PsiParameter getParameter() {
if (!myMethod.isValid()) return null;
final PsiParameter[] parameters = myMethod.getParameterList().getParameters();
return parameters.length > myParameterIndex && myParameterIndex >= 0
? parameters[myParameterIndex]
: null;
}
static boolean hasNullArgConstructor(PsiClass aClass) {
final PsiMethod[] constructors = aClass.getConstructors();
for (final PsiMethod constructor : constructors) {
final PsiParameterList params = constructor.getParameterList();
if (params.getParametersCount() == 0) {
return true;
}
}
return false;
}
@Override
public void visitThrowStatement(PsiThrowStatement statement) {
super.visitThrowStatement(statement);
final PsiCatchSection catchSection =
PsiTreeUtil.getParentOfType(statement, PsiCatchSection.class, true, PsiClass.class);
if (catchSection == null) {
return;
}
final PsiParameter parameter = catchSection.getParameter();
if (parameter == null) {
return;
}
@NonNls final String parameterName = parameter.getName();
if (PsiUtil.isIgnoredName(parameterName)) {
return;
}
final PsiExpression exception = statement.getException();
if (exception == null) {
return;
}
if (ignoreCantWrap) {
final PsiType thrownType = exception.getType();
if (thrownType instanceof PsiClassType) {
final PsiClassType classType = (PsiClassType) thrownType;
final PsiClass exceptionClass = classType.resolve();
if (exceptionClass != null) {
final PsiMethod[] constructors = exceptionClass.getConstructors();
final PsiClassType throwableType =
TypeUtils.getType(CommonClassNames.JAVA_LANG_THROWABLE, statement);
boolean canWrap = false;
outer:
for (PsiMethod constructor : constructors) {
final PsiParameterList parameterList = constructor.getParameterList();
final PsiParameter[] parameters = parameterList.getParameters();
for (PsiParameter constructorParameter : parameters) {
final PsiType type = constructorParameter.getType();
if (throwableType.equals(type)) {
canWrap = true;
break outer;
}
}
}
if (!canWrap) {
return;
}
}
}
}
final ReferenceFinder visitor = new ReferenceFinder(parameter);
exception.accept(visitor);
if (visitor.usesParameter()) {
return;
}
registerStatementError(statement);
}
public static boolean isMethodEquivalentTo(@NotNull PsiMethod method1, PsiElement another) {
if (method1 == another) return true;
if (!(another instanceof PsiMethod)) return false;
PsiMethod method2 = (PsiMethod) another;
if (!another.isValid()) return false;
if (!method1.getName().equals(method2.getName())) return false;
PsiClass aClass1 = method1.getContainingClass();
PsiClass aClass2 = method2.getContainingClass();
PsiManager manager = method1.getManager();
if (!(aClass1 != null && aClass2 != null && manager.areElementsEquivalent(aClass1, aClass2)))
return false;
PsiParameter[] parameters1 = method1.getParameterList().getParameters();
PsiParameter[] parameters2 = method2.getParameterList().getParameters();
if (parameters1.length != parameters2.length) return false;
for (int i = 0; i < parameters1.length; i++) {
PsiParameter parameter1 = parameters1[i];
PsiParameter parameter2 = parameters2[i];
PsiType type1 = parameter1.getType();
PsiType type2 = parameter2.getType();
if (!compareParamTypes(manager, type1, type2)) return false;
}
return true;
}
@Override
public void visitMethod(@NotNull PsiMethod method) {
// note: no call to super;
final String methodName = method.getName();
if (!HardcodedMethodConstants.FINALIZE.equals(methodName)) {
return;
}
final PsiParameterList parameterList = method.getParameterList();
if (parameterList.getParametersCount() != 0) {
return;
}
if (ignoreTrivialFinalizers && isTrivial(method)) {
return;
}
registerMethodError(method);
}
private boolean hasGoodToString(PsiClass aClass) {
final PsiMethod[] methods =
aClass.findMethodsByName(HardcodedMethodConstants.TO_STRING, true);
for (PsiMethod method : methods) {
final PsiClass containingClass = method.getContainingClass();
if (containingClass == null) {
continue;
}
final String name = containingClass.getQualifiedName();
if (CommonClassNames.JAVA_LANG_OBJECT.equals(name)) {
continue;
}
final PsiParameterList parameterList = method.getParameterList();
if (parameterList.getParametersCount() == 0) {
return true;
}
}
return false;
}
@Override
public void doFix(Project project, ProblemDescriptor descriptor)
throws IncorrectOperationException {
final PsiElement classNameIdentifier = descriptor.getPsiElement();
final PsiClass aClass = (PsiClass) classNameIdentifier.getParent();
if (aClass == null) {
return;
}
final PsiMethod[] constructurs = aClass.getConstructors();
for (final PsiMethod constructor : constructurs) {
final PsiParameterList parameterList = constructor.getParameterList();
if (parameterList.getParametersCount() == 0) {
final PsiModifierList modifiers = constructor.getModifierList();
modifiers.setModifierProperty(PsiModifier.PUBLIC, false);
modifiers.setModifierProperty(PsiModifier.PROTECTED, false);
modifiers.setModifierProperty(PsiModifier.PRIVATE, true);
}
}
}
public JLabel getPopupEntryText(RearrangerSettings settings) {
StringBuffer name = new StringBuffer(80);
PsiMethod m = (PsiMethod) myEnd;
if (m.getReturnTypeElement() != null && !settings.isShowTypeAfterMethod()) {
name.append(m.getReturnTypeElement().getText());
name.append(' ');
}
name.append(m.getName());
PsiParameterList plist = m.getParameterList();
if (settings.isShowParameterNames() || settings.isShowParameterTypes()) {
if (plist != null) {
name.append("(");
for (int i = 0; i < plist.getParameters().length; i++) {
if (i > 0) {
name.append(", ");
}
if (settings.isShowParameterTypes()) {
String modifiers = plist.getParameters()[i].getModifierList().getText();
if (modifiers.length() > 0) {
name.append(modifiers);
name.append(' ');
}
name.append(plist.getParameters()[i].getTypeElement().getText());
if (settings.isShowParameterNames()) {
name.append(' ');
}
}
if (settings.isShowParameterNames()) {
name.append(plist.getParameters()[i].getName());
}
}
name.append(")");
}
}
if (m.getReturnTypeElement() != null && settings.isShowTypeAfterMethod()) {
name.append(": ");
name.append(m.getReturnTypeElement().getText());
}
return new JLabel(name.toString());
}
private static String computeConstantSuperCtorCallParameter(
PsiClass languagePsiClass, int index) {
if (languagePsiClass instanceof PsiAnonymousClass) {
return getStringConstantExpression(
((PsiAnonymousClass) languagePsiClass).getArgumentList(), index);
}
PsiMethod defaultConstructor = null;
for (PsiMethod constructor : languagePsiClass.getConstructors()) {
if (constructor.getParameterList().getParametersCount() == 0) {
defaultConstructor = constructor;
break;
}
}
if (defaultConstructor == null) {
return null;
}
final PsiCodeBlock body = defaultConstructor.getBody();
if (body == null) {
return null;
}
final PsiStatement[] statements = body.getStatements();
if (statements.length < 1) {
return null;
}
// super() must be first
PsiStatement statement = statements[0];
if (!(statement instanceof PsiExpressionStatement)) {
return null;
}
PsiExpression expression = ((PsiExpressionStatement) statement).getExpression();
if (!(expression instanceof PsiMethodCallExpression)) {
return null;
}
PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) expression;
PsiExpressionList expressionList = methodCallExpression.getArgumentList();
return getStringConstantExpression(expressionList, index);
}
private void reportNullableArgumentsPassedToNonAnnotated(
DataFlowInstructionVisitor visitor, ProblemsHolder holder, Set<PsiElement> reportedAnchors) {
for (PsiElement expr :
visitor.getProblems(NullabilityProblem.passingNullableArgumentToNonAnnotatedParameter)) {
if (reportedAnchors.contains(expr)) continue;
final String text =
isNullLiteralExpression(expr)
? "Passing <code>null</code> argument to non annotated parameter"
: "Argument <code>#ref</code> #loc might be null but passed to non annotated parameter";
LocalQuickFix[] fixes =
createNPEFixes((PsiExpression) expr, (PsiExpression) expr, holder.isOnTheFly());
final PsiElement parent = expr.getParent();
if (parent instanceof PsiExpressionList) {
final int idx = ArrayUtilRt.find(((PsiExpressionList) parent).getExpressions(), expr);
if (idx > -1) {
final PsiElement gParent = parent.getParent();
if (gParent instanceof PsiCallExpression) {
final PsiMethod psiMethod = ((PsiCallExpression) gParent).resolveMethod();
if (psiMethod != null
&& psiMethod.getManager().isInProject(psiMethod)
&& AnnotationUtil.isAnnotatingApplicable(psiMethod)) {
final PsiParameter[] parameters = psiMethod.getParameterList().getParameters();
if (idx < parameters.length) {
final AddNullableAnnotationFix addNullableAnnotationFix =
new AddNullableAnnotationFix(parameters[idx]);
fixes =
fixes == null
? new LocalQuickFix[] {addNullableAnnotationFix}
: ArrayUtil.append(fixes, addNullableAnnotationFix);
holder.registerProblem(expr, text, fixes);
reportedAnchors.add(expr);
}
}
}
}
}
}
}
@Nullable
public static String checkContract(PsiMethod method, String text) {
List<MethodContract> contracts;
try {
contracts = ControlFlowAnalyzer.parseContract(text);
} catch (ControlFlowAnalyzer.ParseException e) {
return e.getMessage();
}
int paramCount = method.getParameterList().getParametersCount();
for (int i = 0; i < contracts.size(); i++) {
MethodContract contract = contracts.get(i);
if (contract.arguments.length != paramCount) {
return "Method takes "
+ paramCount
+ " parameters, while contract clause number "
+ (i + 1)
+ " expects "
+ contract.arguments.length;
}
}
return null;
}
private boolean hasOnlyMain(PsiClass aClass) {
final PsiMethod[] methods = aClass.getMethods();
if (methods.length == 0) {
return false;
}
for (PsiMethod method : methods) {
if (method.isConstructor()) {
continue;
}
if (!method.hasModifierProperty(PsiModifier.STATIC)) {
return false;
}
if (method.hasModifierProperty(PsiModifier.PRIVATE)) {
continue;
}
if (!method.hasModifierProperty(PsiModifier.PUBLIC)) {
return false;
}
final String name = method.getName();
if (!name.equals(HardcodedMethodConstants.MAIN)) {
return false;
}
final PsiType returnType = method.getReturnType();
if (!PsiType.VOID.equals(returnType)) {
return false;
}
final PsiParameterList parameterList = method.getParameterList();
if (parameterList.getParametersCount() != 1) {
return false;
}
final PsiParameter[] parameters = parameterList.getParameters();
final PsiParameter parameter = parameters[0];
final PsiType type = parameter.getType();
if (!type.equalsToText("java.lang.String[]")) {
return false;
}
}
return true;
}
public static void prepareWizardData(final WizardData data, PsiClass boundClass)
throws MyException {
final PsiMethod[] allGetDataMethods = boundClass.findMethodsByName("getData", false);
final PsiMethod[] allSetDataMethods = boundClass.findMethodsByName("setData", false);
PsiMethod setDataMethod = null;
PsiClass beanClass = null;
// find get/set pair and bean class
outer:
for (int i = 0; i < allGetDataMethods.length; i++) {
final PsiMethod _getMethod = allGetDataMethods[i];
if (_getMethod.getReturnType() != PsiType.VOID) {
continue;
}
final PsiParameter[] _getMethodParameters = _getMethod.getParameterList().getParameters();
if (_getMethodParameters.length != 1) {
continue;
}
final PsiClass _getParameterClass = getClassByType(_getMethodParameters[0].getType());
if (_getParameterClass == null) {
continue;
}
for (final PsiMethod _setMethod : allSetDataMethods) {
if (_setMethod.getReturnType() != PsiType.VOID) {
continue;
}
final PsiParameter[] _setMethodParameters = _setMethod.getParameterList().getParameters();
if (_setMethodParameters.length != 1) {
continue;
}
final PsiClass _setParameterClass = getClassByType(_setMethodParameters[0].getType());
if (_setParameterClass != _getParameterClass) {
continue;
}
// pair found !!!
setDataMethod = _setMethod;
beanClass = _getParameterClass;
break outer;
}
}
if (beanClass == null) {
// nothing found
return;
}
data.myBindToNewBean = false;
data.myBeanClass = beanClass;
// parse setData() and try to associate fields with bean
{
final PsiCodeBlock body = setDataMethod.getBody();
if (body == null) {
return;
}
final PsiElement[] children = body.getChildren();
for (PsiElement child : children) {
// Parses sequences like: a.foo(b.bar());
final PsiField bindingField;
if (!(child instanceof PsiExpressionStatement)) {
continue;
}
final PsiExpression expression = ((PsiExpressionStatement) child).getExpression();
if (!(expression instanceof PsiMethodCallExpression)) {
continue;
}
final PsiMethodCallExpression callExpression = (PsiMethodCallExpression) expression;
// find binding field ('a')
int index = -1;
{
final PsiElement psiElement = getObjectForWhichMethodWasCalled(callExpression);
if (!(psiElement instanceof PsiField)) {
continue;
}
if (((PsiField) psiElement).getContainingClass() != boundClass) {
continue;
}
bindingField = (PsiField) psiElement;
// find binding for this field
final FormProperty2BeanProperty[] bindings = data.myBindings;
for (int j = 0; j < bindings.length; j++) {
final FormProperty2BeanProperty binding = bindings[j];
if (bindingField
.getName()
.equals(binding.myFormProperty.getLwComponent().getBinding())) {
index = j;
break;
}
}
}
if (index == -1) {
continue;
}
// find 'bar()'
{
final PsiReferenceParameterList parameterList =
callExpression.getMethodExpression().getParameterList();
if (parameterList == null) {
continue;
}
final PsiExpressionList argumentList = callExpression.getArgumentList();
if (argumentList == null) {
continue;
}
final PsiExpression[] expressions = argumentList.getExpressions();
if (expressions == null || expressions.length != 1) {
continue;
}
if (!(expressions[0] instanceof PsiMethodCallExpression)) {
continue;
}
final PsiMethodCallExpression callExpression2 =
((PsiMethodCallExpression) expressions[0]);
// check that 'b' is parameter
final PsiElement psiElement = getObjectForWhichMethodWasCalled(callExpression2);
if (!(psiElement instanceof PsiParameter)) {
continue;
}
final PsiMethod barMethod = ((PsiMethod) callExpression2.getMethodExpression().resolve());
if (barMethod == null) {
continue;
}
if (!PropertyUtil.isSimplePropertyGetter(barMethod)) {
continue;
}
final String propertyName = PropertyUtil.getPropertyName(barMethod);
// There are two possible types: boolean and java.lang.String
String typeName = barMethod.getReturnType().getCanonicalText();
if (!"boolean".equals(typeName) && !"java.lang.String".equals(typeName)) {
continue;
}
data.myBindings[index].myBeanProperty = new BeanProperty(propertyName, typeName);
}
}
}
}
@NotNull
private List<PsiMethod> getMethodsToImport() {
PsiShortNamesCache cache = PsiShortNamesCache.getInstance(myMethodCall.getProject());
PsiMethodCallExpression element = myMethodCall.getElement();
PsiReferenceExpression reference = element.getMethodExpression();
PsiExpressionList argumentList = element.getArgumentList();
String name = reference.getReferenceName();
List<PsiMethod> list = new ArrayList<PsiMethod>();
if (name == null) return list;
GlobalSearchScope scope = element.getResolveScope();
PsiMethod[] methods = cache.getMethodsByNameIfNotMoreThan(name, scope, 20);
List<PsiMethod> applicableList = new ArrayList<PsiMethod>();
final PsiResolveHelper resolveHelper =
JavaPsiFacade.getInstance(element.getProject()).getResolveHelper();
for (PsiMethod method : methods) {
ProgressManager.checkCanceled();
if (JavaCompletionUtil.isInExcludedPackage(method)) continue;
if (!method.hasModifierProperty(PsiModifier.STATIC)) continue;
PsiFile file = method.getContainingFile();
if (file instanceof PsiJavaFile
// do not show methods from default package
&& ((PsiJavaFile) file).getPackageName().length() != 0
&& PsiUtil.isAccessible(method, element, method.getContainingClass())) {
list.add(method);
PsiSubstitutor substitutorForMethod =
resolveHelper.inferTypeArguments(
method.getTypeParameters(),
method.getParameterList().getParameters(),
argumentList.getExpressions(),
PsiSubstitutor.EMPTY,
element.getParent(),
DefaultParameterTypeInferencePolicy.INSTANCE);
if (PsiUtil.isApplicable(method, substitutorForMethod, argumentList)) {
applicableList.add(method);
}
}
}
List<PsiMethod> result = applicableList.isEmpty() ? list : applicableList;
for (int i = result.size() - 1; i >= 0; i--) {
ProgressManager.checkCanceled();
PsiMethod method = result.get(i);
PsiClass containingClass = method.getContainingClass();
for (int j = i + 1; j < result.size(); j++) {
PsiMethod exMethod = result.get(j);
if (!Comparing.strEqual(exMethod.getName(), method.getName())) continue;
PsiClass exContainingClass = exMethod.getContainingClass();
if (containingClass != null
&& exContainingClass != null
&& !Comparing.equal(
containingClass.getQualifiedName(), exContainingClass.getQualifiedName())) continue;
// same named methods, drop one
result.remove(i);
break;
}
// check for manually excluded
if (isExcluded(method)) {
result.remove(i);
}
}
Collections.sort(result, new PsiProximityComparator(argumentList));
return result;
}
public static void visitRefInDocTag(
final PsiDocTag tag,
final JavadocManager manager,
final PsiElement context,
final ArrayList<ProblemDescriptor> problems,
final InspectionManager inspectionManager,
final boolean onTheFly) {
final String tagName = tag.getName();
final PsiDocTagValue value = tag.getValueElement();
if (value == null) return;
final JavadocTagInfo info = manager.getTagInfo(tagName);
if (info != null && !info.isValidInContext(context)) return;
final String message = info == null || !info.isInline() ? null : info.checkTagValue(value);
if (message != null) {
problems.add(createDescriptor(value, message, inspectionManager, onTheFly));
}
final PsiReference reference = value.getReference();
if (reference == null) return;
final PsiElement element = reference.resolve();
if (element != null) return;
final int textOffset = value.getTextOffset();
if (textOffset == value.getTextRange().getEndOffset()) return;
final PsiDocTagValue valueElement = tag.getValueElement();
if (valueElement == null) return;
final CharSequence paramName =
value
.getContainingFile()
.getViewProvider()
.getContents()
.subSequence(textOffset, value.getTextRange().getEndOffset());
final String params = "<code>" + paramName + "</code>";
final List<LocalQuickFix> fixes = new ArrayList<LocalQuickFix>();
if (onTheFly && "param".equals(tagName)) {
final PsiDocCommentOwner commentOwner =
PsiTreeUtil.getParentOfType(tag, PsiDocCommentOwner.class);
if (commentOwner instanceof PsiMethod) {
final PsiMethod method = (PsiMethod) commentOwner;
final PsiParameter[] parameters = method.getParameterList().getParameters();
final PsiDocTag[] tags = tag.getContainingComment().getTags();
final Set<String> unboundParams = new HashSet<String>();
for (PsiParameter parameter : parameters) {
if (!JavaDocLocalInspection.isFound(tags, parameter)) {
unboundParams.add(parameter.getName());
}
}
if (!unboundParams.isEmpty()) {
fixes.add(new RenameReferenceQuickFix(unboundParams));
}
}
}
fixes.add(new RemoveTagFix(tagName, paramName));
problems.add(
inspectionManager.createProblemDescriptor(
valueElement,
reference.getRangeInElement(),
cannotResolveSymbolMessage(params),
ProblemHighlightType.LIKE_UNKNOWN_SYMBOL,
onTheFly,
fixes.toArray(new LocalQuickFix[fixes.size()])));
}
