private static String buildAnnotationText(PsiAnnotation annotation) {
final StringBuilder out = new StringBuilder("@");
final PsiJavaCodeReferenceElement nameReferenceElement = annotation.getNameReferenceElement();
assert nameReferenceElement != null;
out.append(nameReferenceElement.getText());
final PsiAnnotationParameterList parameterList = annotation.getParameterList();
final PsiNameValuePair[] attributes = parameterList.getAttributes();
if (attributes.length == 0) {
return out.toString();
}
out.append('(');
if (attributes.length == 1) {
final PsiNameValuePair attribute = attributes[0];
@NonNls final String name = attribute.getName();
if (name != null && !PsiAnnotation.DEFAULT_REFERENCED_METHOD_NAME.equals(name)) {
out.append(name).append('=');
}
buildAttributeValueText(attribute.getValue(), out);
} else {
for (int i = 0; i < attributes.length; i++) {
final PsiNameValuePair attribute = attributes[i];
if (i > 0) {
out.append(',');
}
out.append(attribute.getName()).append('=');
buildAttributeValueText(attribute.getValue(), out);
}
}
out.append(')');
return out.toString();
}
@Nullable
private ProblemDescriptor[] checkMember(
final PsiDocCommentOwner docCommentOwner,
final InspectionManager manager,
final boolean isOnTheFly) {
final ArrayList<ProblemDescriptor> problems = new ArrayList<ProblemDescriptor>();
final PsiDocComment docComment = docCommentOwner.getDocComment();
if (docComment == null) return null;
final Set<PsiJavaCodeReferenceElement> references = new HashSet<PsiJavaCodeReferenceElement>();
docComment.accept(getVisitor(references, docCommentOwner, problems, manager, isOnTheFly));
for (PsiJavaCodeReferenceElement reference : references) {
final List<PsiClass> classesToImport = new ImportClassFix(reference).getClassesToImport();
final PsiElement referenceNameElement = reference.getReferenceNameElement();
problems.add(
manager.createProblemDescriptor(
referenceNameElement != null ? referenceNameElement : reference,
cannotResolveSymbolMessage("<code>" + reference.getText() + "</code>"),
!isOnTheFly || classesToImport.isEmpty() ? null : new AddImportFix(classesToImport),
ProblemHighlightType.LIKE_UNKNOWN_SYMBOL,
isOnTheFly));
}
return problems.isEmpty() ? null : problems.toArray(new ProblemDescriptor[problems.size()]);
}
@Override
public void visitReferenceElement(PsiJavaCodeReferenceElement reference) {
super.visitReferenceElement(reference);
if (referenceFound) {
return;
}
final String text = reference.getText();
if (text.indexOf((int) '.') >= 0 || !name.equals(text)) {
return;
}
final PsiElement element = reference.resolve();
if (!(element instanceof PsiClass) || element instanceof PsiTypeParameter) {
return;
}
final PsiClass aClass = (PsiClass) element;
final String testClassName = aClass.getName();
final String testClassQualifiedName = aClass.getQualifiedName();
if (testClassQualifiedName == null
|| testClassName == null
|| testClassQualifiedName.equals(fullyQualifiedName)
|| !testClassName.equals(name)) {
return;
}
referenceFound = true;
}
public InspectionGadgetsFix buildFix(Object... infos) {
final PsiNewExpression expression = (PsiNewExpression) infos[0];
final PsiJavaCodeReferenceElement classReference = expression.getClassReference();
assert classReference != null;
final String className = classReference.getText();
return new CachedNumberConstructorCallFix(className);
}
private static boolean newExpressionsAreEquivalent(
@NotNull PsiNewExpression newExpression1, @NotNull PsiNewExpression newExpression2) {
final PsiJavaCodeReferenceElement classReference1 = newExpression1.getClassReference();
final PsiJavaCodeReferenceElement classReference2 = newExpression2.getClassReference();
if (classReference1 == null || classReference2 == null) {
return false;
}
final String text = classReference1.getText();
if (!text.equals(classReference2.getText())) {
return false;
}
final PsiExpression[] arrayDimensions1 = newExpression1.getArrayDimensions();
final PsiExpression[] arrayDimensions2 = newExpression2.getArrayDimensions();
if (!expressionListsAreEquivalent(arrayDimensions1, arrayDimensions2)) {
return false;
}
final PsiArrayInitializerExpression arrayInitializer1 = newExpression1.getArrayInitializer();
final PsiArrayInitializerExpression arrayInitializer2 = newExpression2.getArrayInitializer();
if (!expressionsAreEquivalent(arrayInitializer1, arrayInitializer2)) {
return false;
}
final PsiExpression qualifier1 = newExpression1.getQualifier();
final PsiExpression qualifier2 = newExpression2.getQualifier();
if (!expressionsAreEquivalent(qualifier1, qualifier2)) {
return false;
}
final PsiExpressionList argumentList1 = newExpression1.getArgumentList();
final PsiExpression[] args1;
if (argumentList1 == null) {
args1 = null;
} else {
args1 = argumentList1.getExpressions();
}
final PsiExpressionList argumentList2 = newExpression2.getArgumentList();
final PsiExpression[] args2;
if (argumentList2 == null) {
args2 = null;
} else {
args2 = argumentList2.getExpressions();
}
return expressionListsAreEquivalent(args1, args2);
}
@Nullable
static HighlightInfo checkVariableMustBeFinal(
PsiVariable variable,
PsiJavaCodeReferenceElement context,
@NotNull LanguageLevel languageLevel) {
if (variable.hasModifierProperty(PsiModifier.FINAL)) return null;
final PsiClass innerClass = getInnerClassVariableReferencedFrom(variable, context);
if (innerClass != null) {
if (variable instanceof PsiParameter) {
final PsiElement parent = variable.getParent();
if (parent instanceof PsiParameterList
&& parent.getParent() instanceof PsiLambdaExpression
&& notAccessedForWriting(
variable, new LocalSearchScope(((PsiParameter) variable).getDeclarationScope()))) {
return null;
}
}
if (languageLevel.isAtLeast(LanguageLevel.JDK_1_8)
&& isEffectivelyFinal(variable, innerClass, context)) {
return null;
}
final String description =
JavaErrorMessages.message("variable.must.be.final", context.getText());
final HighlightInfo highlightInfo =
HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(context)
.descriptionAndTooltip(description)
.create();
QuickFixAction.registerQuickFixAction(
highlightInfo,
QUICK_FIX_FACTORY.createVariableAccessFromInnerClassFix(variable, innerClass));
return highlightInfo;
}
final PsiLambdaExpression lambdaExpression =
PsiTreeUtil.getParentOfType(context, PsiLambdaExpression.class);
if (lambdaExpression != null && !PsiTreeUtil.isAncestor(lambdaExpression, variable, true)) {
final PsiElement parent = variable.getParent();
if (parent instanceof PsiParameterList && parent.getParent() == lambdaExpression) {
return null;
}
if (!isEffectivelyFinal(variable, lambdaExpression, context)) {
return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(context)
.descriptionAndTooltip("Variable used in lambda expression should be effectively final")
.create();
}
}
return null;
}
/**
* @param strict if strict is true this method checks if the conflicting class which is imported
* is actually used in the file. If it isn't the on demand import can be overridden with an
* exact import for the fqName without breaking stuff.
*/
private static boolean hasOnDemandImportConflict(
@NotNull String fqName, @NotNull PsiJavaFile file, boolean strict) {
final PsiImportList imports = file.getImportList();
if (imports == null) {
return false;
}
final PsiImportStatement[] importStatements = imports.getImportStatements();
final String shortName = ClassUtil.extractClassName(fqName);
final String packageName = ClassUtil.extractPackageName(fqName);
for (final PsiImportStatement importStatement : importStatements) {
if (!importStatement.isOnDemand()) {
continue;
}
final PsiJavaCodeReferenceElement importReference = importStatement.getImportReference();
if (importReference == null) {
continue;
}
final String packageText = importReference.getText();
if (packageText.equals(packageName)) {
continue;
}
final PsiElement element = importReference.resolve();
if (element == null || !(element instanceof PsiPackage)) {
continue;
}
final PsiPackage aPackage = (PsiPackage) element;
final PsiClass[] classes = aPackage.getClasses();
for (final PsiClass aClass : classes) {
final String className = aClass.getName();
if (!shortName.equals(className)) {
continue;
}
if (!strict) {
return true;
}
final String qualifiedClassName = aClass.getQualifiedName();
if (qualifiedClassName == null || fqName.equals(qualifiedClassName)) {
continue;
}
return containsReferenceToConflictingClass(file, qualifiedClassName);
}
}
return hasJavaLangImportConflict(fqName, file);
}
@NotNull
public static PsiAnnotationMemberValue getMemberValue(
final PsiElement element, final ClsElementImpl parent) {
if (element instanceof PsiExpression) {
return psiToClsExpression((PsiExpression) element, parent);
} else if (element instanceof PsiArrayInitializerMemberValue) {
PsiAnnotationMemberValue[] initializers =
((PsiArrayInitializerMemberValue) element).getInitializers();
PsiAnnotationMemberValue[] clsInitializers =
new PsiAnnotationMemberValue[initializers.length];
ClsArrayInitializerMemberValueImpl arrayValue =
new ClsArrayInitializerMemberValueImpl(parent, clsInitializers);
for (int i = 0; i < initializers.length; i++) {
clsInitializers[i] = getMemberValue(initializers[i], arrayValue);
}
return arrayValue;
} else if (element instanceof PsiAnnotation) {
final PsiAnnotation psiAnnotation = (PsiAnnotation) element;
final PsiJavaCodeReferenceElement referenceElement = psiAnnotation.getNameReferenceElement();
assert referenceElement != null : psiAnnotation;
final String canonicalText = referenceElement.getText(); // class file has FQNs
return new ClsAnnotationValueImpl(parent) {
@Override
protected ClsJavaCodeReferenceElementImpl createReference() {
return new ClsJavaCodeReferenceElementImpl(this, canonicalText);
}
@Override
protected ClsAnnotationParameterListImpl createParameterList() {
PsiNameValuePair[] psiAttributes = psiAnnotation.getParameterList().getAttributes();
return new ClsAnnotationParameterListImpl(this, psiAttributes);
}
@Override
public PsiAnnotationOwner getOwner() {
return (PsiAnnotationOwner) getParent();
}
};
} else {
LOG.error("Unexpected source element for annotation member value: " + element);
return null;
}
}
@Nullable
private static PsiImportStaticStatement findOnDemandImportStaticStatement(
PsiImportList importList, String qualifierClass) {
final PsiImportStaticStatement[] importStaticStatements =
importList.getImportStaticStatements();
for (PsiImportStaticStatement importStaticStatement : importStaticStatements) {
if (!importStaticStatement.isOnDemand()) {
continue;
}
final PsiJavaCodeReferenceElement importReference =
importStaticStatement.getImportReference();
if (importReference == null) {
continue;
}
final String text = importReference.getText();
if (qualifierClass.equals(text)) {
return importStaticStatement;
}
}
return null;
}
@Nullable
static HighlightInfo checkVariableMustBeFinal(
@NotNull PsiVariable variable,
@NotNull PsiJavaCodeReferenceElement context,
@NotNull LanguageLevel languageLevel) {
if (variable.hasModifierProperty(PsiModifier.FINAL)) return null;
final PsiElement innerClass = getInnerClassVariableReferencedFrom(variable, context);
if (innerClass instanceof PsiClass) {
if (variable instanceof PsiParameter) {
final PsiElement parent = variable.getParent();
if (parent instanceof PsiParameterList
&& parent.getParent() instanceof PsiLambdaExpression
&& notAccessedForWriting(
variable, new LocalSearchScope(((PsiParameter) variable).getDeclarationScope()))) {
return null;
}
}
final boolean isToBeEffectivelyFinal = languageLevel.isAtLeast(LanguageLevel.JDK_1_8);
if (isToBeEffectivelyFinal && isEffectivelyFinal(variable, innerClass, context)) {
return null;
}
final String description =
JavaErrorMessages.message(
isToBeEffectivelyFinal
? "variable.must.be.final.or.effectively.final"
: "variable.must.be.final",
context.getText());
final HighlightInfo highlightInfo =
HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(context)
.descriptionAndTooltip(description)
.create();
QuickFixAction.registerQuickFixAction(
highlightInfo,
QUICK_FIX_FACTORY.createVariableAccessFromInnerClassFix(variable, innerClass));
return highlightInfo;
}
return checkWriteToFinalInsideLambda(variable, context);
}
@Nullable
public ProblemDescriptor[] checkFile(
@NotNull PsiFile file, @NotNull InspectionManager manager, boolean isOnTheFly) {
// does not work in tests since CodeInsightTestCase copies file into temporary location
if (ApplicationManager.getApplication().isUnitTestMode()) return null;
if (file instanceof PsiJavaFile) {
if (JspPsiUtil.isInJspFile(file)) return null;
PsiJavaFile javaFile = (PsiJavaFile) file;
PsiDirectory directory = javaFile.getContainingDirectory();
if (directory == null) return null;
PsiPackage dirPackage = JavaDirectoryService.getInstance().getPackage(directory);
if (dirPackage == null) return null;
PsiPackageStatement packageStatement = javaFile.getPackageStatement();
// highlight the first class in the file only
PsiClass[] classes = javaFile.getClasses();
if (classes.length == 0 && packageStatement == null) return null;
String packageName = dirPackage.getQualifiedName();
if (!Comparing.strEqual(packageName, "", true) && packageStatement == null) {
String description = JavaErrorMessages.message("missing.package.statement", packageName);
return new ProblemDescriptor[] {
manager.createProblemDescriptor(
classes[0].getNameIdentifier(),
description,
new AdjustPackageNameFix(javaFile, null, dirPackage),
ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
isOnTheFly)
};
}
if (packageStatement != null) {
final PsiJavaCodeReferenceElement packageReference = packageStatement.getPackageReference();
PsiPackage classPackage = (PsiPackage) packageReference.resolve();
List<LocalQuickFix> availableFixes = new ArrayList<LocalQuickFix>();
if (classPackage == null) {
availableFixes.add(new AdjustPackageNameFix(javaFile, packageStatement, dirPackage));
} else if (!Comparing.equal(
dirPackage.getQualifiedName(), packageReference.getText(), true)) {
availableFixes.add(new AdjustPackageNameFix(javaFile, packageStatement, dirPackage));
MoveToPackageFix moveToPackageFix = new MoveToPackageFix(file, classPackage);
if (moveToPackageFix.isAvailable()) {
availableFixes.add(moveToPackageFix);
}
}
if (!availableFixes.isEmpty()) {
String description =
JavaErrorMessages.message(
"package.name.file.path.mismatch",
packageReference.getText(),
dirPackage.getQualifiedName());
return new ProblemDescriptor[] {
manager.createProblemDescriptor(
packageStatement.getPackageReference(),
description,
isOnTheFly,
availableFixes.toArray(new LocalQuickFix[availableFixes.size()]),
ProblemHighlightType.GENERIC_ERROR_OR_WARNING)
};
}
}
}
return null;
}
@Nullable
public static HighlightInfo checkApplicability(
@NotNull PsiAnnotation annotation,
@NotNull LanguageLevel languageLevel,
@NotNull PsiFile containingFile) {
if (ANY_ANNOTATION_ALLOWED.accepts(annotation)) {
return null;
}
PsiJavaCodeReferenceElement nameRef = annotation.getNameReferenceElement();
if (nameRef == null) return null;
PsiAnnotationOwner owner = annotation.getOwner();
PsiAnnotation.TargetType[] targets = PsiImplUtil.getTargetsForLocation(owner);
if (owner == null || targets.length == 0) {
String message = JavaErrorMessages.message("annotation.not.allowed.here");
return annotationError(annotation, message);
}
if (!(owner instanceof PsiModifierList)) {
HighlightInfo info =
HighlightUtil.checkTypeAnnotationFeature(annotation, languageLevel, containingFile);
if (info != null) return info;
}
PsiAnnotation.TargetType applicable = PsiImplUtil.findApplicableTarget(annotation, targets);
if (applicable == PsiAnnotation.TargetType.UNKNOWN) return null;
if (applicable == null) {
String target = JavaErrorMessages.message("annotation.target." + targets[0]);
String message =
JavaErrorMessages.message("annotation.not.applicable", nameRef.getText(), target);
return annotationError(annotation, message);
}
if (applicable == PsiAnnotation.TargetType.TYPE_USE) {
if (owner instanceof PsiClassReferenceType) {
PsiJavaCodeReferenceElement ref = ((PsiClassReferenceType) owner).getReference();
HighlightInfo info = checkReferenceTarget(annotation, ref);
if (info != null) return info;
} else if (owner instanceof PsiModifierList) {
PsiElement nextElement =
PsiTreeUtil.skipSiblingsForward(
(PsiModifierList) owner,
PsiComment.class,
PsiWhiteSpace.class,
PsiTypeParameterList.class);
if (nextElement instanceof PsiTypeElement) {
PsiTypeElement typeElement = (PsiTypeElement) nextElement;
PsiType type = typeElement.getType();
if (PsiType.VOID.equals(type)) {
String message = JavaErrorMessages.message("annotation.not.allowed.void");
return annotationError(annotation, message);
}
if (!(type instanceof PsiPrimitiveType)) {
PsiJavaCodeReferenceElement ref =
getOutermostReferenceElement(typeElement.getInnermostComponentReferenceElement());
HighlightInfo info = checkReferenceTarget(annotation, ref);
if (info != null) return info;
}
}
} else if (owner instanceof PsiTypeElement) {
PsiElement context =
PsiTreeUtil.skipParentsOfType((PsiTypeElement) owner, PsiTypeElement.class);
if (context instanceof PsiClassObjectAccessExpression) {
String message = JavaErrorMessages.message("annotation.not.allowed.class");
return annotationError(annotation, message);
}
}
}
return null;
}
private void generatorLayoutCode(String contextName, String findPre) {
List<Element> editTextElements = new ArrayList<>();
List<Element> clickableElements = new ArrayList<>();
List<Element> itemClickableElements = new ArrayList<>();
// generator findViewById code in initView() method
StringBuilder initView = new StringBuilder();
if (TextUtils.isEmpty(findPre)) {
initView.append("private void initView() {\n");
} else {
initView.append("private void initView(View " + findPre + ") {\n");
}
for (Element element : mElements) {
String pre = TextUtils.isEmpty(findPre) ? "" : findPre + ".";
initView.append(
element.getFieldName()
+ " = ("
+ element.name
+ ") "
+ pre
+ "findViewById("
+ element.getFullID()
+ ");\n");
// set flag
if (element.isEditText) {
editTextElements.add(element);
}
if (element.isClickable) {
clickableElements.add(element);
}
if (element.isItemClickable) {
itemClickableElements.add(element);
}
}
// generator EditText validate code if need
StringBuilder sbEditText = new StringBuilder();
if (editTextElements.size() > 0) {
sbEditText.append("private void submit() {\n");
sbEditText.append("\t\t// validate\n");
for (Element element : editTextElements) {
// generator EditText string name
String idName = element.id;
int index = idName.lastIndexOf("_");
String name = index == -1 ? idName : idName.substring(index + 1);
if (name.equals(idName)) {
name += "String";
}
sbEditText.append("String " + name + " = " + idName + ".getText().toString().trim();\n");
sbEditText.append("if(TextUtils.isEmpty(" + name + ")) {\n");
// 提示的toast为EditText的hint文字,无hint时格式为"name不能为空"
String emptyTint = name + "不能为空";
String hint = element.xml.getAttributeValue("android:hint");
if (!TextUtils.isEmpty(hint) && !hint.startsWith("@string")) {
emptyTint = hint;
}
sbEditText.append(
"Toast.makeText("
+ contextName
+ ", \""
+ emptyTint
+ "\", Toast.LENGTH_SHORT).show();\n");
sbEditText.append("return;\n");
sbEditText.append("}\n");
sbEditText.append("\n");
}
sbEditText.append("\t\t// TODO validate success, do something\n");
sbEditText.append("\n\n}\n");
}
// generator clickable code if need
StringBuilder sbClickable = new StringBuilder();
if (clickableElements.size() > 0) {
// let class implement OnClickListener
PsiReferenceList implementsList = mClass.getImplementsList();
if (implementsList != null) {
PsiJavaCodeReferenceElement[] referenceElements = implementsList.getReferenceElements();
boolean hasImpl = false;
for (PsiJavaCodeReferenceElement re : referenceElements) {
hasImpl = re.getText().contains("OnClickListener");
}
// add implement if not exist
if (!hasImpl) {
PsiJavaCodeReferenceElement pjcre =
mFactory.createReferenceElementByFQClassName(
"android.view.View.OnClickListener", mClass.getResolveScope());
implementsList.add(pjcre);
}
}
initView.append("\n");
sbClickable
.append("@Override public void onClick(View v) {\n")
.append("switch (v.getId()) {\n");
for (Element element : clickableElements) {
// generator setOnClickListener code in initView()
initView.append(element.getFieldName() + ".setOnClickListener(this);\n");
// generator override public void onClick(View v) method
sbClickable.append("case " + element.getFullID() + " :\n\nbreak;\n");
}
sbClickable.append("}\n}");
}
// generator itemClickable code if need
for (Element element : itemClickableElements) {
// generator setOnClickListener code in initView()
initView.append(
element.getFieldName()
+ ".setOnItemClickListener(new AdapterView.OnItemClickListener() {\n");
initView.append("@Override\n");
initView.append(
"public void onItemClick(AdapterView<?> parent, View view, int position, long id) {\n\n");
initView.append("}\n");
initView.append("});\n");
}
initView.append("}\n");
PsiMethod[] initViewMethods = mClass.findMethodsByName("initView", false);
if (initViewMethods.length > 0 && initViewMethods[0].getBody() != null) {
// already have method
// append non-repeated field
PsiCodeBlock initViewMethodBody = initViewMethods[0].getBody();
for (Element element : mElements) {
// append findViewById
String pre = TextUtils.isEmpty(findPre) ? "" : findPre + ".";
String s2 =
element.getFieldName()
+ " = ("
+ element.name
+ ") "
+ pre
+ "findViewById("
+ element.getFullID()
+ ");";
initViewMethodBody.add(mFactory.createStatementFromText(s2, initViewMethods[0]));
// append setOnClickListener
String s1 = element.getFieldName() + ".setOnClickListener(this);";
initViewMethodBody.add(mFactory.createStatementFromText(s1, initViewMethods[0]));
}
} else {
// new method
mClass.add(mFactory.createMethodFromText(initView.toString(), mClass));
}
if (clickableElements.size() > 0) {
PsiMethod[] onClickMethods = mClass.findMethodsByName("onClick", false);
if (onClickMethods.length > 0 && onClickMethods[0].getBody() != null) {
// already have method
// append non-repeated field
PsiCodeBlock onClickMethodBody = onClickMethods[0].getBody();
for (PsiElement element : onClickMethodBody.getChildren()) {
if (element instanceof PsiSwitchStatement) {
PsiSwitchStatement switchStatement = (PsiSwitchStatement) element;
PsiCodeBlock body = switchStatement.getBody();
if (body != null) {
for (Element clickableElement : clickableElements) {
String caseStr = "case " + clickableElement.getFullID() + " :";
body.add(mFactory.createStatementFromText(caseStr, body));
body.add(mFactory.createStatementFromText("break;", body));
}
}
break;
}
}
} else {
// new method
mClass.add(mFactory.createMethodFromText(sbClickable.toString(), mClass));
}
}
if (editTextElements.size() > 0) {
mClass.add(mFactory.createMethodFromText(sbEditText.toString(), mClass));
}
}