Beispiel #1
1
  @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 String compoundLambdaOrMethodReference(
     PsiParameter parameter,
     PsiExpression expression,
     String samQualifiedName,
     PsiType[] samParamTypes) {
   String result = "";
   final Project project = parameter.getProject();
   final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
   final PsiClass functionClass =
       psiFacade.findClass(samQualifiedName, GlobalSearchScope.allScope(project));
   for (int i = 0; i < samParamTypes.length; i++) {
     if (samParamTypes[i] instanceof PsiPrimitiveType) {
       samParamTypes[i] = ((PsiPrimitiveType) samParamTypes[i]).getBoxedType(expression);
     }
   }
   final PsiClassType functionalInterfaceType =
       functionClass != null
           ? psiFacade.getElementFactory().createType(functionClass, samParamTypes)
           : null;
   final PsiParameter[] parameters = {parameter};
   final String methodReferenceText =
       LambdaCanBeMethodReferenceInspection.convertToMethodReference(
           expression, parameters, functionalInterfaceType, null);
   if (methodReferenceText != null) {
     LOG.assertTrue(functionalInterfaceType != null);
     result += "(" + functionalInterfaceType.getCanonicalText() + ")" + methodReferenceText;
   } else {
     result += parameter.getName() + " -> " + expression.getText();
   }
   return result;
 }
 @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);
 }
 private static String createForEachFunctionalExpressionText(
     Project project, PsiStatement body, PsiParameter parameter) {
   final PsiCallExpression callExpression =
       LambdaCanBeMethodReferenceInspection.extractMethodCallFromBlock(body);
   if (callExpression != null) {
     final PsiClassType functionalType = createDefaultConsumerType(project, parameter);
     final PsiParameter[] parameters = {parameter};
     final PsiElement bodyBlock =
         body instanceof PsiBlockStatement ? ((PsiBlockStatement) body).getCodeBlock() : body;
     final String methodReferenceText =
         LambdaCanBeMethodReferenceInspection.convertToMethodReference(
             bodyBlock, parameters, functionalType, null);
     if (methodReferenceText != null) {
       return methodReferenceText;
     }
   }
   return parameter.getName() + " -> " + wrapInBlock(body);
 }
 private void checkCatchSection(PsiCatchSection section) {
   final PsiCodeBlock block = section.getCatchBlock();
   if (block == null || !isCatchBlockEmpty(block)) {
     return;
   }
   final PsiParameter parameter = section.getParameter();
   if (parameter == null) {
     return;
   }
   final PsiIdentifier identifier = parameter.getNameIdentifier();
   if (identifier == null) {
     return;
   }
   @NonNls final String parameterName = parameter.getName();
   if (m_ignoreIgnoreParameter
       && ("ignore".equals(parameterName) || "ignored".equals(parameterName))) {
     return;
   }
   final PsiElement catchToken = section.getFirstChild();
   if (catchToken == null) {
     return;
   }
   registerError(catchToken);
 }
  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()])));
  }