public void removeEntryPoint(RefElement anEntryPoint) {
    if (anEntryPoint instanceof RefClass) {
      RefClass refClass = (RefClass) anEntryPoint;
      if (!refClass.isInterface()) {
        anEntryPoint = refClass.getDefaultConstructor();
      }
    }

    if (anEntryPoint == null) return;

    myTemporaryEntryPoints.remove(anEntryPoint);

    Set<Map.Entry<String, SmartRefElementPointer>> set = myPersistentEntryPoints.entrySet();
    String key = null;
    for (Map.Entry<String, SmartRefElementPointer> entry : set) {
      SmartRefElementPointer value = entry.getValue();
      if (value.getRefElement() == anEntryPoint) {
        key = entry.getKey();
        break;
      }
    }

    if (key != null) {
      myPersistentEntryPoints.remove(key);
      ((RefElementImpl) anEntryPoint).setEntry(false);
    }

    if (anEntryPoint.isPermanentEntry() && anEntryPoint.isValid()) {
      final Project project = anEntryPoint.getElement().getProject();
      final EntryPointsManagerImpl entryPointsManager = getInstance(project);
      if (this != entryPointsManager) {
        entryPointsManager.removeEntryPoint(anEntryPoint);
      }
    }
  }
  @Override
  public void addEntryPoint(@NotNull RefElement newEntryPoint, boolean isPersistent) {
    if (!newEntryPoint.isValid()) return;
    if (isPersistent) {
      if (newEntryPoint instanceof RefMethod && ((RefMethod) newEntryPoint).isConstructor()
          || newEntryPoint instanceof RefClass) {
        final ClassPattern classPattern = new ClassPattern();
        classPattern.pattern = new SmartRefElementPointerImpl(newEntryPoint, true).getFQName();
        getPatterns().add(classPattern);

        final EntryPointsManager entryPointsManager =
            getInstance(newEntryPoint.getElement().getProject());
        if (this != entryPointsManager) {
          entryPointsManager.addEntryPoint(newEntryPoint, true);
        }

        return;
      }
    }

    if (newEntryPoint instanceof RefClass) {
      RefClass refClass = (RefClass) newEntryPoint;

      if (refClass.isAnonymous()) {
        // Anonymous class cannot be an entry point.
        return;
      }

      List<RefMethod> refConstructors = refClass.getConstructors();
      if (refConstructors.size() == 1) {
        addEntryPoint(refConstructors.get(0), isPersistent);
      } else if (refConstructors.size() > 1) {
        // Many constructors here. Need to ask user which ones are used
        for (RefMethod refConstructor : refConstructors) {
          addEntryPoint(refConstructor, isPersistent);
        }
      }
    }

    if (!isPersistent) {
      myTemporaryEntryPoints.add(newEntryPoint);
      ((RefElementImpl) newEntryPoint).setEntry(true);
    } else {
      if (myPersistentEntryPoints.get(newEntryPoint.getExternalName()) == null) {
        final SmartRefElementPointerImpl entry =
            new SmartRefElementPointerImpl(newEntryPoint, true);
        myPersistentEntryPoints.put(entry.getFQName(), entry);
        ((RefElementImpl) newEntryPoint).setEntry(true);
        ((RefElementImpl) newEntryPoint).setPermanentEntry(true);
        if (entry.isPersistent()) { // do save entry points
          final EntryPointsManager entryPointsManager =
              getInstance(newEntryPoint.getElement().getProject());
          if (this != entryPointsManager) {
            entryPointsManager.addEntryPoint(newEntryPoint, true);
          }
        }
      }
    }
  }
 public void appendClassExtendsImplements(StringBuffer buf, RefClass refClass) {
   if (refClass.getBaseClasses().size() > 0) {
     HTMLComposerImpl.appendHeading(
         buf, InspectionsBundle.message("inspection.export.results.extends.implements"));
     myComposer.startList(buf);
     for (RefClass refBase : refClass.getBaseClasses()) {
       myComposer.appendListItem(buf, refBase);
     }
     myComposer.doneList(buf);
   }
 }
  public void appendLibraryMethods(StringBuffer buf, RefClass refClass) {
    if (refClass.getLibraryMethods().size() > 0) {
      HTMLComposerImpl.appendHeading(
          buf, InspectionsBundle.message("inspection.export.results.overrides.library.methods"));

      myComposer.startList(buf);
      for (RefMethod refMethod : refClass.getLibraryMethods()) {
        myComposer.appendListItem(buf, refMethod);
      }
      myComposer.doneList(buf);
    }
  }
  public void appendTypeReferences(StringBuffer buf, RefClass refClass) {
    if (refClass.getInTypeReferences().size() > 0) {
      HTMLComposer.appendHeading(
          buf, InspectionsBundle.message("inspection.export.results.type.references"));

      myComposer.startList(buf);
      for (final RefElement refElement : refClass.getInTypeReferences()) {
        myComposer.appendListItem(buf, refElement);
      }
      myComposer.doneList(buf);
    }
  }
  private boolean isAccessibleFrom(RefElement from, RefJavaElement to, String accessModifier) {
    if (accessModifier == PsiModifier.PUBLIC) return true;

    final RefJavaUtil refUtil = RefJavaUtil.getInstance();
    if (accessModifier == PsiModifier.PACKAGE_LOCAL) {
      return RefJavaUtil.getPackage(from) == RefJavaUtil.getPackage(to);
    }

    RefClass fromTopLevel = refUtil.getTopLevelClass(from);
    RefClass toTopLevel = refUtil.getTopLevelClass(to);
    RefClass fromOwner = refUtil.getOwnerClass(from);
    RefClass toOwner = refUtil.getOwnerClass(to);

    if (accessModifier == PsiModifier.PROTECTED) {
      if (SUGGEST_PRIVATE_FOR_INNERS) {
        return refUtil.isInheritor(fromTopLevel, toOwner)
            || fromOwner != null && refUtil.isInheritor(fromOwner, toTopLevel)
            || toOwner != null && refUtil.getOwnerClass(toOwner) == from;
      }

      return refUtil.isInheritor(fromTopLevel, toOwner);
    }

    if (accessModifier == PsiModifier.PRIVATE) {
      if (SUGGEST_PRIVATE_FOR_INNERS) {
        if (isInExtendsList(to, fromTopLevel.getElement().getExtendsList())) return false;
        if (isInExtendsList(to, fromTopLevel.getElement().getImplementsList())) return false;
        if (isInAnnotations(to, fromTopLevel)) return false;
        return fromTopLevel == toOwner
            || fromOwner == toTopLevel
            || toOwner != null && refUtil.getOwnerClass(toOwner) == from;
      }

      if (fromOwner != null
          && fromOwner.isStatic()
          && !to.isStatic()
          && refUtil.isInheritor(fromOwner, toOwner)) return false;

      if (fromTopLevel == toOwner) {
        if (from instanceof RefClass && to instanceof RefClass) {
          final PsiClass fromClass = ((RefClass) from).getElement();
          LOG.assertTrue(fromClass != null);
          if (isInExtendsList(to, fromClass.getExtendsList())) return false;
          if (isInExtendsList(to, fromClass.getImplementsList())) return false;
        }

        return true;
      }
    }

    return false;
  }
  private boolean isAccessible(
      RefJavaElement to, @PsiModifier.ModifierConstant String accessModifier) {

    for (RefElement refElement : to.getInReferences()) {
      if (!isAccessibleFrom(refElement, to, accessModifier)) return false;
    }

    if (to instanceof RefMethod) {
      RefMethod refMethod = (RefMethod) to;

      if (refMethod.isAbstract()
          && (refMethod.getDerivedMethods().isEmpty()
              || refMethod.getAccessModifier() == PsiModifier.PRIVATE)) return false;

      for (RefMethod refOverride : refMethod.getDerivedMethods()) {
        if (!isAccessibleFrom(refOverride, to, accessModifier)) return false;
      }

      for (RefMethod refSuper : refMethod.getSuperMethods()) {
        if (RefJavaUtil.getInstance().compareAccess(refSuper.getAccessModifier(), accessModifier)
            > 0) return false;
      }
    }

    if (to instanceof RefClass) {
      RefClass refClass = (RefClass) to;
      for (RefClass subClass : refClass.getSubClasses()) {
        if (!isAccessibleFrom(subClass, to, accessModifier)) return false;
      }

      List children = refClass.getChildren();
      if (children != null) {
        for (Object refElement : children) {
          if (!isAccessible((RefJavaElement) refElement, accessModifier)) return false;
        }
      }

      for (final RefElement refElement : refClass.getInTypeReferences()) {
        if (!isAccessibleFrom(refElement, refClass, accessModifier)) return false;
      }

      List<RefJavaElement> classExporters = ((RefClassImpl) refClass).getClassExporters();
      if (classExporters != null) {
        for (RefJavaElement refExporter : classExporters) {
          if (getAccessLevel(accessModifier) < getAccessLevel(refExporter.getAccessModifier()))
            return false;
        }
      }
    }

    return true;
  }
Ejemplo n.º 8
0
  @Override
  @Nullable
  public CommonProblemDescriptor[] checkElement(
      @NotNull final RefEntity refEntity,
      @NotNull final AnalysisScope scope,
      @NotNull final InspectionManager manager,
      @NotNull final GlobalInspectionContext globalContext,
      @NotNull final ProblemDescriptionsProcessor processor) {
    if (refEntity instanceof RefJavaElement) {
      final RefJavaElement refElement = (RefJavaElement) refEntity;
      if (refElement instanceof RefParameter) return null;
      if (!refElement.isReferenced()) return null;
      if (refElement.isSyntheticJSP()) return null;
      if (refElement.isFinal()) return null;
      if (!((RefElementImpl) refElement).checkFlag(CanBeFinalAnnotator.CAN_BE_FINAL_MASK))
        return null;

      final PsiMember psiMember = (PsiMember) refElement.getElement();
      if (psiMember == null || !CanBeFinalHandler.allowToBeFinal(psiMember)) return null;

      PsiIdentifier psiIdentifier = null;
      if (refElement instanceof RefClass) {
        RefClass refClass = (RefClass) refElement;
        if (refClass.isInterface() || refClass.isAnonymous() || refClass.isAbstract()) return null;
        if (!isReportClasses()) return null;
        psiIdentifier = ((PsiClass) psiMember).getNameIdentifier();
      } else if (refElement instanceof RefMethod) {
        RefMethod refMethod = (RefMethod) refElement;
        if (refMethod.getOwnerClass().isFinal()) return null;
        if (!isReportMethods()) return null;
        psiIdentifier = ((PsiMethod) psiMember).getNameIdentifier();
      } else if (refElement instanceof RefField) {
        if (!isReportFields()) return null;
        psiIdentifier = ((PsiField) psiMember).getNameIdentifier();
      }

      if (psiIdentifier != null) {
        return new ProblemDescriptor[] {
          manager.createProblemDescriptor(
              psiIdentifier,
              InspectionsBundle.message("inspection.export.results.can.be.final.description"),
              new AcceptSuggested(globalContext.getRefManager()),
              ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
              false)
        };
      }
    }
    return null;
  }
 public static String getClassOrInterface(RefClass refClass, boolean capitalizeFirstLetter) {
   if (refClass.isInterface()) {
     return capitalizeFirstLetter
         ? InspectionsBundle.message("inspection.export.results.capitalized.interface")
         : InspectionsBundle.message("inspection.export.results.interface");
   } else if (refClass.isAbstract()) {
     return capitalizeFirstLetter
         ? InspectionsBundle.message("inspection.export.results.capitalized.abstract.class")
         : InspectionsBundle.message("inspection.export.results.abstract.class");
   } else {
     return capitalizeFirstLetter
         ? InspectionsBundle.message("inspection.export.results.capitalized.class")
         : InspectionsBundle.message("inspection.export.results.class");
   }
 }
 @Nullable
 private CommonProblemDescriptor[] checkElement(
     RefClass refEntity, InspectionManager manager, final Project project) {
   final PsiClass psiClass = refEntity.getElement();
   if (psiClass == null) return null;
   return checkElement(psiClass, manager, project);
 }
  public void appendDerivedClasses(StringBuffer buf, RefClass refClass) {
    if (refClass.getSubClasses().size() > 0) {
      if (refClass.isInterface()) {
        HTMLComposerImpl.appendHeading(
            buf, InspectionsBundle.message("inspection.export.results.extended.implemented"));
      } else {
        HTMLComposerImpl.appendHeading(
            buf, InspectionsBundle.message("inspection.export.results.extended"));
      }

      myComposer.startList(buf);
      for (RefClass refDerived : refClass.getSubClasses()) {
        myComposer.appendListItem(buf, refDerived);
      }
      myComposer.doneList(buf);
    }
  }
  private static void ignoreElement(
      @NotNull ProblemDescriptionsProcessor processor, @NotNull RefEntity refElement) {
    processor.ignoreElement(refElement);

    if (refElement instanceof RefClass) {
      RefClass refClass = (RefClass) refElement;
      RefMethod defaultConstructor = refClass.getDefaultConstructor();
      if (defaultConstructor != null) {
        processor.ignoreElement(defaultConstructor);
        return;
      }
    }

    RefEntity owner = refElement.getOwner();
    if (owner instanceof RefElement) {
      processor.ignoreElement(owner);
    }
  }
 public void appendClassOrInterface(
     StringBuffer buf, RefClass refClass, boolean capitalizeFirstLetter) {
   if (refClass.isInterface()) {
     buf.append(
         capitalizeFirstLetter
             ? InspectionsBundle.message("inspection.export.results.capitalized.interface")
             : InspectionsBundle.message("inspection.export.results.interface"));
   } else if (refClass.isAbstract()) {
     buf.append(
         capitalizeFirstLetter
             ? InspectionsBundle.message("inspection.export.results.capitalized.abstract.class")
             : InspectionsBundle.message("inspection.export.results.abstract.class"));
   } else {
     buf.append(
         capitalizeFirstLetter
             ? InspectionsBundle.message("inspection.export.results.capitalized.class")
             : InspectionsBundle.message("inspection.export.results.class"));
   }
 }
  @Override
  public void removeEntryPoint(@NotNull RefElement anEntryPoint) {
    myTemporaryEntryPoints.remove(anEntryPoint);

    Set<Map.Entry<String, SmartRefElementPointer>> set = myPersistentEntryPoints.entrySet();
    String key = null;
    for (Map.Entry<String, SmartRefElementPointer> entry : set) {
      SmartRefElementPointer value = entry.getValue();
      if (value.getRefElement() == anEntryPoint) {
        key = entry.getKey();
        break;
      }
    }

    if (key != null) {
      myPersistentEntryPoints.remove(key);
    }
    ((RefElementImpl) anEntryPoint).setEntry(false);

    if (anEntryPoint.isPermanentEntry() && anEntryPoint.isValid()) {
      final Project project = anEntryPoint.getElement().getProject();
      final EntryPointsManager entryPointsManager = getInstance(project);
      if (this != entryPointsManager) {
        entryPointsManager.removeEntryPoint(anEntryPoint);
      }
    }

    if (anEntryPoint instanceof RefMethod && ((RefMethod) anEntryPoint).isConstructor()
        || anEntryPoint instanceof RefClass) {
      final RefClass aClass =
          anEntryPoint instanceof RefClass
              ? (RefClass) anEntryPoint
              : ((RefMethod) anEntryPoint).getOwnerClass();
      final String qualifiedName = aClass.getQualifiedName();
      for (Iterator<ClassPattern> iterator = getPatterns().iterator(); iterator.hasNext(); ) {
        if (Comparing.equal(iterator.next().pattern, qualifiedName)) {
          // todo if inheritance or pattern?
          iterator.remove();
        }
      }
    }
  }
 @Override
 public void onInitialize(RefElement refElement) {
   ((RefElementImpl) refElement).setFlag(true, CAN_BE_FINAL_MASK);
   if (refElement instanceof RefClass) {
     final RefClass refClass = (RefClass) refElement;
     final PsiClass psiClass = refClass.getElement();
     if (refClass.isEntry()) {
       ((RefClassImpl) refClass).setFlag(false, CAN_BE_FINAL_MASK);
       return;
     }
     if (refClass.isAbstract() || refClass.isAnonymous() || refClass.isInterface()) {
       ((RefClassImpl) refClass).setFlag(false, CAN_BE_FINAL_MASK);
       return;
     }
     if (!refClass.isSelfInheritor(psiClass)) {
       for (PsiClass psiSuperClass : psiClass.getSupers()) {
         if (myManager.belongsToScope(psiSuperClass)) {
           RefClass refSuperClass = (RefClass) myManager.getReference(psiSuperClass);
           if (refSuperClass != null) {
             ((RefClassImpl) refSuperClass).setFlag(false, CAN_BE_FINAL_MASK);
           }
         }
       }
     }
   } else if (refElement instanceof RefMethod) {
     final RefMethod refMethod = (RefMethod) refElement;
     final PsiElement element = refMethod.getElement();
     if (element instanceof PsiMethod) {
       PsiMethod psiMethod = (PsiMethod) element;
       if (refMethod.isConstructor()
           || refMethod.isAbstract()
           || refMethod.isStatic()
           || PsiModifier.PRIVATE.equals(refMethod.getAccessModifier())
           || refMethod.getOwnerClass().isAnonymous()
           || refMethod.getOwnerClass().isInterface()) {
         ((RefMethodImpl) refMethod).setFlag(false, CAN_BE_FINAL_MASK);
       }
       if (PsiModifier.PRIVATE.equals(refMethod.getAccessModifier())
           && refMethod.getOwner() != null
           && !(refMethod.getOwnerClass().getOwner() instanceof RefElement)) {
         ((RefMethodImpl) refMethod).setFlag(false, CAN_BE_FINAL_MASK);
       }
       for (PsiMethod psiSuperMethod : psiMethod.findSuperMethods()) {
         if (myManager.belongsToScope(psiSuperMethod)) {
           RefMethod refSuperMethod = (RefMethod) myManager.getReference(psiSuperMethod);
           if (refSuperMethod != null) {
             ((RefMethodImpl) refSuperMethod).setFlag(false, CAN_BE_FINAL_MASK);
           }
         }
       }
     }
   }
 }
  private static boolean isInAnnotations(final RefJavaElement to, final RefClass fromTopLevel) {
    final PsiModifierList modifierList = fromTopLevel.getElement().getModifierList();
    if (modifierList == null) return false;
    final PsiElement toElement = to.getElement();

    final boolean[] resolved = new boolean[] {false};
    modifierList.accept(
        new JavaRecursiveElementWalkingVisitor() {
          @Override
          public void visitReferenceExpression(PsiReferenceExpression expression) {
            if (resolved[0]) return;
            super.visitReferenceExpression(expression);
            if (expression.resolve() == toElement) {
              resolved[0] = true;
            }
          }
        });
    return resolved[0];
  }
  @Override
  @Nullable
  public CommonProblemDescriptor[] checkElement(
      @NotNull final RefEntity refEntity,
      @NotNull final AnalysisScope scope,
      @NotNull final InspectionManager manager,
      @NotNull final GlobalInspectionContext globalContext,
      @NotNull final ProblemDescriptionsProcessor processor) {
    if (refEntity instanceof RefJavaElement) {
      final RefJavaElement refElement = (RefJavaElement) refEntity;

      if (refElement instanceof RefParameter) return null;
      if (refElement.isSyntheticJSP()) return null;

      // ignore entry points.
      if (refElement.isEntry()) return null;

      // ignore implicit constructors. User should not be able to see them.
      if (refElement instanceof RefImplicitConstructor) return null;

      if (refElement instanceof RefField
          && ((RefField) refElement).getElement() instanceof PsiEnumConstant) return null;

      // ignore library override methods.
      if (refElement instanceof RefMethod) {
        RefMethod refMethod = (RefMethod) refElement;
        if (refMethod.isExternalOverride()) return null;
        if (refMethod.isEntry()) return null;
      }

      // ignore anonymous classes. They do not have access modifiers.
      if (refElement instanceof RefClass) {
        RefClass refClass = (RefClass) refElement;
        if (refClass.isAnonymous()
            || refClass.isEntry()
            || refClass.isTestCase()
            || refClass.isServlet()
            || refClass.isApplet()
            || refClass.isLocalClass()) return null;
        if (isTopLevelClass(refClass) && !SUGGEST_PACKAGE_LOCAL_FOR_TOP_CLASSES) return null;
      }

      // ignore unreferenced code. They could be a potential entry points.
      if (refElement.getInReferences().isEmpty()) return null;

      // ignore interface members. They always have public access modifier.
      if (refElement.getOwner() instanceof RefClass) {
        RefClass refClass = (RefClass) refElement.getOwner();
        if (refClass.isInterface()) return null;
      }
      String access = getPossibleAccess(refElement);
      if (access != refElement.getAccessModifier() && access != null) {
        final PsiElement element = refElement.getElement();
        final PsiElement nameIdentifier =
            element != null ? HighlightUsagesHandler.getNameIdentifier(element) : null;
        if (nameIdentifier != null) {
          return new ProblemDescriptor[] {
            manager.createProblemDescriptor(
                nameIdentifier,
                access.equals(PsiModifier.PRIVATE)
                    ? CAN_BE_PRIVATE
                    : access.equals(PsiModifier.PACKAGE_LOCAL)
                        ? CAN_BE_PACKAGE_LOCAL
                        : CAN_BE_PROTECTED,
                new AcceptSuggestedAccess(globalContext.getRefManager(), access),
                ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
                false)
          };
        }
      }
    }
    return null;
  }