@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();
}
}
private static PsiClassType createDefaultConsumerType(Project project, PsiParameter parameter) {
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiClass consumerClass =
psiFacade.findClass("java.util.function.Consumer", GlobalSearchScope.allScope(project));
return consumerClass != null
? psiFacade.getElementFactory().createType(consumerClass, parameter.getType())
: null;
}
@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;
}
private static String createMapperFunctionalExpressionText(
PsiParameter parameter, PsiExpression expression) {
String iteration = "";
if (!isIdentityMapping(parameter, expression)) {
iteration += ".map(";
iteration +=
compoundLambdaOrMethodReference(
parameter,
expression,
"java.util.function.Function",
new PsiType[] {parameter.getType(), expression.getType()});
iteration += ")";
}
return iteration;
}
private static String createFiltersChainText(
PsiStatement body, PsiParameter parameter, PsiIfStatement ifStatement) {
final List<String> filters = new ArrayList<String>();
while (ifStatement != null && PsiTreeUtil.isAncestor(body, ifStatement, false)) {
final PsiExpression condition = ifStatement.getCondition();
if (condition != null) {
filters.add(
".filter("
+ compoundLambdaOrMethodReference(
parameter,
condition,
"java.util.function.Predicate",
new PsiType[] {parameter.getType()})
+ ")");
}
ifStatement = PsiTreeUtil.getParentOfType(ifStatement, PsiIfStatement.class);
}
Collections.reverse(filters);
return StringUtil.join(filters, "");
}
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;
}