protected void performRefactoring(UsageInfo[] usages) {
    if (!CommonRefactoringUtil.checkReadOnlyStatus(myProject, myTargetClass)) return;

    PsiMethod patternMethod = createMethodToAdd();
    final List<PsiReference> docRefs = new ArrayList<PsiReference>();
    for (UsageInfo usage : usages) {
      if (usage instanceof InheritorUsageInfo) {
        final PsiClass inheritor = ((InheritorUsageInfo) usage).getInheritor();
        addMethodToClass(inheritor, patternMethod, true);
      } else if (usage instanceof MethodCallUsageInfo
          && !((MethodCallUsageInfo) usage).isInternal()) {
        correctMethodCall(((MethodCallUsageInfo) usage).getMethodCallExpression(), false);
      } else if (usage instanceof JavadocUsageInfo) {
        docRefs.add(usage.getElement().getReference());
      }
    }

    try {
      if (myTargetClass.isInterface()) patternMethod.getBody().delete();

      final PsiMethod method = addMethodToClass(myTargetClass, patternMethod, false);
      myMethod.delete();
      for (PsiReference reference : docRefs) {
        reference.bindToElement(method);
      }
      VisibilityUtil.fixVisibility(usages, method, myNewVisibility);
    } catch (IncorrectOperationException e) {
      LOG.error(e);
    }
  }
Beispiel #2
0
  public static void checkMethodConflicts(
      @Nullable PsiClass aClass,
      PsiMethod refactoredMethod,
      PsiMethod prototype,
      final MultiMap<PsiElement, String> conflicts) {
    if (prototype == null) return;

    PsiMethod method = aClass != null ? aClass.findMethodBySignature(prototype, true) : null;

    if (method != null && method != refactoredMethod) {
      if (aClass.equals(method.getContainingClass())) {
        final String classDescr =
            aClass instanceof PsiAnonymousClass
                ? RefactoringBundle.message("current.class")
                : RefactoringUIUtil.getDescription(aClass, false);
        conflicts.putValue(
            method,
            RefactoringBundle.message(
                "method.0.is.already.defined.in.the.1",
                getMethodPrototypeString(prototype),
                classDescr));
      } else { // method somewhere in base class
        if (JavaPsiFacade.getInstance(method.getProject())
            .getResolveHelper()
            .isAccessible(method, aClass, null)) {
          String protoMethodInfo = getMethodPrototypeString(prototype);
          String className =
              CommonRefactoringUtil.htmlEmphasize(
                  UsageViewUtil.getDescriptiveName(method.getContainingClass()));
          if (PsiUtil.getAccessLevel(prototype.getModifierList())
              >= PsiUtil.getAccessLevel(method.getModifierList())) {
            boolean isMethodAbstract = method.hasModifierProperty(PsiModifier.ABSTRACT);
            boolean isMyMethodAbstract =
                refactoredMethod != null
                    && refactoredMethod.hasModifierProperty(PsiModifier.ABSTRACT);
            final String conflict =
                isMethodAbstract != isMyMethodAbstract
                    ? RefactoringBundle.message(
                        "method.0.will.implement.method.of.the.base.class",
                        protoMethodInfo,
                        className)
                    : RefactoringBundle.message(
                        "method.0.will.override.a.method.of.the.base.class",
                        protoMethodInfo,
                        className);
            conflicts.putValue(method, conflict);
          } else { // prototype is private, will be compile-error
            conflicts.putValue(
                method,
                RefactoringBundle.message(
                    "method.0.will.hide.method.of.the.base.class", protoMethodInfo, className));
          }
        }
      }
    }
  }
  protected boolean preprocessUsages(Ref<UsageInfo[]> refUsages) {
    final UsageInfo[] usages = refUsages.get();
    MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();
    final Set<PsiMember> members = new HashSet<PsiMember>();
    members.add(myMethod);
    if (myTargetVariable instanceof PsiField) members.add((PsiMember) myTargetVariable);
    if (!myTargetClass.isInterface()) {
      RefactoringConflictsUtil.analyzeAccessibilityConflicts(
          members, myTargetClass, conflicts, myNewVisibility);
    } else {
      for (final UsageInfo usage : usages) {
        if (usage instanceof InheritorUsageInfo) {
          RefactoringConflictsUtil.analyzeAccessibilityConflicts(
              members, ((InheritorUsageInfo) usage).getInheritor(), conflicts, myNewVisibility);
        }
      }
    }

    if (myTargetVariable instanceof PsiParameter) {
      PsiParameter parameter = (PsiParameter) myTargetVariable;
      for (final UsageInfo usageInfo : usages) {
        if (usageInfo instanceof MethodCallUsageInfo) {
          final PsiElement methodCall = ((MethodCallUsageInfo) usageInfo).getMethodCallExpression();
          if (methodCall instanceof PsiMethodCallExpression) {
            final PsiExpression[] expressions =
                ((PsiMethodCallExpression) methodCall).getArgumentList().getExpressions();
            final int index = myMethod.getParameterList().getParameterIndex(parameter);
            if (index < expressions.length) {
              PsiExpression instanceValue = expressions[index];
              instanceValue = RefactoringUtil.unparenthesizeExpression(instanceValue);
              if (instanceValue instanceof PsiLiteralExpression
                  && ((PsiLiteralExpression) instanceValue).getValue() == null) {
                String message =
                    RefactoringBundle.message(
                        "0.contains.call.with.null.argument.for.parameter.1",
                        RefactoringUIUtil.getDescription(
                            ConflictsUtil.getContainer(methodCall), true),
                        CommonRefactoringUtil.htmlEmphasize(parameter.getName()));
                conflicts.putValue(instanceValue, message);
              }
            }
          } else if (methodCall instanceof PsiMethodReferenceExpression) {
            conflicts.putValue(methodCall, "Method reference would be broken after move");
          }
        }
      }
    }

    try {
      ConflictsUtil.checkMethodConflicts(myTargetClass, myMethod, getPatternMethod(), conflicts);
    } catch (IncorrectOperationException e) {
    }

    return showConflicts(conflicts, usages);
  }
    @Override
    public void visitVariable(PsiVariable variable) {
      if (variable == myLocalVariable) return;
      if (myParameterName.equals(variable.getName())) {
        String descr =
            RefactoringBundle.message(
                "there.is.already.a.0.it.will.conflict.with.an.introduced.parameter",
                RefactoringUIUtil.getDescription(variable, true));

        conflict =
            Pair.<PsiElement, String>create(variable, CommonRefactoringUtil.capitalize(descr));
      }
    }
  protected boolean preprocessUsages(Ref<UsageInfo[]> refUsages) {
    UsageInfo[] usagesIn = refUsages.get();
    MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();

    AnySameNameVariables anySameNameVariables = new AnySameNameVariables();
    myMethodToReplaceIn.accept(anySameNameVariables);
    final Pair<PsiElement, String> conflictPair = anySameNameVariables.getConflict();
    if (conflictPair != null) {
      conflicts.putValue(conflictPair.first, conflictPair.second);
    }

    if (!myGenerateDelegate) {
      detectAccessibilityConflicts(usagesIn, conflicts);
    }

    if (myParameterInitializer != null
        && !myMethodToReplaceIn.hasModifierProperty(PsiModifier.PRIVATE)) {
      final AnySupers anySupers = new AnySupers();
      myParameterInitializer.accept(anySupers);
      if (anySupers.isResult()) {
        for (UsageInfo usageInfo : usagesIn) {
          if (!(usageInfo.getElement() instanceof PsiMethod)
              && !(usageInfo instanceof InternalUsageInfo)) {
            if (!PsiTreeUtil.isAncestor(
                myMethodToReplaceIn.getContainingClass(), usageInfo.getElement(), false)) {
              conflicts.putValue(
                  myParameterInitializer,
                  RefactoringBundle.message(
                      "parameter.initializer.contains.0.but.not.all.calls.to.method.are.in.its.class",
                      CommonRefactoringUtil.htmlEmphasize(PsiKeyword.SUPER)));
              break;
            }
          }
        }
      }
    }

    for (IntroduceParameterMethodUsagesProcessor processor :
        IntroduceParameterMethodUsagesProcessor.EP_NAME.getExtensions()) {
      processor.findConflicts(this, refUsages.get(), conflicts);
    }

    myHasConflicts = !conflicts.isEmpty();
    return showConflicts(conflicts, usagesIn);
  }
  protected void performRefactoring(UsageInfo[] usages) {
    if (!CommonRefactoringUtil.checkReadOnlyStatus(myProject, myTargetClass)) return;

    PsiMethod patternMethod = createMethodToAdd();
    final List<PsiReference> docRefs = new ArrayList<PsiReference>();
    for (UsageInfo usage : usages) {
      if (usage instanceof InheritorUsageInfo) {
        final PsiClass inheritor = ((InheritorUsageInfo) usage).getInheritor();
        addMethodToClass(inheritor, patternMethod, true);
      } else if (usage instanceof MethodCallUsageInfo
          && !((MethodCallUsageInfo) usage).isInternal()) {
        final PsiElement expression = ((MethodCallUsageInfo) usage).getMethodCallExpression();
        if (expression instanceof PsiMethodCallExpression) {
          correctMethodCall((PsiMethodCallExpression) expression, false);
        } else if (expression instanceof PsiMethodReferenceExpression) {
          PsiExpression newQualifier =
              JavaPsiFacade.getInstance(myProject)
                  .getElementFactory()
                  .createExpressionFromText(myTargetVariable.getType().getCanonicalText(), null);
          ((PsiMethodReferenceExpression) expression).setQualifierExpression(newQualifier);
        }
      } else if (usage instanceof JavadocUsageInfo) {
        docRefs.add(usage.getElement().getReference());
      }
    }

    try {
      if (myTargetClass.isInterface()) patternMethod.getBody().delete();

      final PsiMethod method = addMethodToClass(myTargetClass, patternMethod, false);
      myMethod.delete();
      for (PsiReference reference : docRefs) {
        reference.bindToElement(method);
      }
      VisibilityUtil.fixVisibility(UsageViewUtil.toElements(usages), method, myNewVisibility);

      if (myOpenInEditor) {
        EditorHelper.openInEditor(method);
      }
    } catch (IncorrectOperationException e) {
      LOG.error(e);
    }
  }