private Map<RefEntity, Set<QuickFix>> getQuickFixActions() {
   synchronized (lock) {
     if (myQuickFixActions == null) {
       myQuickFixActions = Collections.synchronizedMap(new HashMap<RefEntity, Set<QuickFix>>());
     }
     return myQuickFixActions;
   }
 }
 private Map<RefEntity, CommonProblemDescriptor[]> getIgnoredElements() {
   synchronized (lock) {
     if (myIgnoredElements == null) {
       myIgnoredElements =
           Collections.synchronizedMap(new HashMap<RefEntity, CommonProblemDescriptor[]>());
     }
     return myIgnoredElements;
   }
 }
 private Map<CommonProblemDescriptor, RefEntity> getProblemToElements() {
   synchronized (lock) {
     if (myProblemToElements == null) {
       myProblemToElements =
           Collections.synchronizedMap(new THashMap<CommonProblemDescriptor, RefEntity>());
     }
     return myProblemToElements;
   }
 }
 public Map<RefEntity, CommonProblemDescriptor[]> getProblemElements() {
   synchronized (lock) {
     if (myProblemElements == null) {
       myProblemElements =
           Collections.synchronizedMap(new THashMap<RefEntity, CommonProblemDescriptor[]>());
     }
     return myProblemElements;
   }
 }
public class DefaultInspectionToolPresentation
    implements ProblemDescriptionsProcessor, InspectionToolPresentation {
  @NotNull private final InspectionToolWrapper myToolWrapper;

  @NotNull private final GlobalInspectionContextImpl myContext;
  private static String ourOutputPath;
  private InspectionNode myToolNode;

  private static final Object lock = new Object();
  private final Map<RefEntity, CommonProblemDescriptor[]> myProblemElements =
      Collections.synchronizedMap(new THashMap<RefEntity, CommonProblemDescriptor[]>());
  private final Map<String, Set<RefEntity>> myContents =
      Collections.synchronizedMap(
          new com.intellij.util.containers.HashMap<String, Set<RefEntity>>()); // keys can be null
  private final Set<RefModule> myModulesProblems =
      Collections.synchronizedSet(new THashSet<RefModule>());
  private final Map<CommonProblemDescriptor, RefEntity> myProblemToElements =
      Collections.synchronizedMap(new THashMap<CommonProblemDescriptor, RefEntity>());
  private DescriptorComposer myComposer;
  private final Map<RefEntity, Set<QuickFix>> myQuickFixActions =
      Collections.synchronizedMap(
          new com.intellij.util.containers.HashMap<RefEntity, Set<QuickFix>>());
  private final Map<RefEntity, CommonProblemDescriptor[]> myIgnoredElements =
      Collections.synchronizedMap(
          new com.intellij.util.containers.HashMap<RefEntity, CommonProblemDescriptor[]>());

  private Map<RefEntity, CommonProblemDescriptor[]> myOldProblemElements = null;
  protected static final Logger LOG =
      Logger.getInstance("#com.intellij.codeInspection.ex.DescriptorProviderInspection");
  private boolean isDisposed;

  private final Object myToolLock = new Object();

  public DefaultInspectionToolPresentation(
      @NotNull InspectionToolWrapper toolWrapper, @NotNull GlobalInspectionContextImpl context) {
    myToolWrapper = toolWrapper;
    myContext = context;
  }

  @NotNull
  protected static FileStatus calcStatus(boolean old, boolean current) {
    if (old) {
      if (!current) {
        return FileStatus.DELETED;
      }
    } else if (current) {
      return FileStatus.ADDED;
    }
    return FileStatus.NOT_CHANGED;
  }

  public static String stripUIRefsFromInspectionDescription(String description) {
    final int descriptionEnd = description.indexOf("<!-- tooltip end -->");
    if (descriptionEnd < 0) {
      final Pattern pattern =
          Pattern.compile(
              ".*Use.*(the (panel|checkbox|checkboxes|field|button|controls).*below).*",
              Pattern.DOTALL);
      final Matcher matcher = pattern.matcher(description);
      int startFindIdx = 0;
      while (matcher.find(startFindIdx)) {
        final int end = matcher.end(1);
        startFindIdx = end;
        description =
            description.substring(0, matcher.start(1))
                + " inspection settings "
                + description.substring(end);
      }
    } else {
      description = description.substring(0, descriptionEnd);
    }
    return description;
  }

  protected HighlightSeverity getSeverity(@NotNull RefElement element) {
    final PsiElement psiElement = element.getPointer().getContainingFile();
    if (psiElement != null) {
      final GlobalInspectionContextImpl context = getContext();
      final String shortName = getSeverityDelegateName();
      final Tools tools = context.getTools().get(shortName);
      if (tools != null) {
        for (ScopeToolState state : tools.getTools()) {
          InspectionToolWrapper toolWrapper = state.getTool();
          if (toolWrapper == getToolWrapper()) {
            return context
                .getCurrentProfile()
                .getErrorLevel(HighlightDisplayKey.find(shortName), psiElement)
                .getSeverity();
          }
        }
      }

      final InspectionProfile profile =
          InspectionProjectProfileManager.getInstance(context.getProject()).getInspectionProfile();
      final HighlightDisplayLevel level =
          profile.getErrorLevel(HighlightDisplayKey.find(shortName), psiElement);
      return level.getSeverity();
    }
    return null;
  }

  protected String getSeverityDelegateName() {
    return getToolWrapper().getShortName();
  }

  protected static String getTextAttributeKey(
      @NotNull Project project,
      @NotNull HighlightSeverity severity,
      @NotNull ProblemHighlightType highlightType) {
    if (highlightType == ProblemHighlightType.LIKE_DEPRECATED) {
      return HighlightInfoType.DEPRECATED.getAttributesKey().getExternalName();
    }
    if (highlightType == ProblemHighlightType.LIKE_UNKNOWN_SYMBOL
        && severity == HighlightSeverity.ERROR) {
      return HighlightInfoType.WRONG_REF.getAttributesKey().getExternalName();
    }
    if (highlightType == ProblemHighlightType.LIKE_UNUSED_SYMBOL) {
      return HighlightInfoType.UNUSED_SYMBOL.getAttributesKey().getExternalName();
    }
    SeverityRegistrar registrar =
        InspectionProjectProfileManagerImpl.getInstanceImpl(project).getSeverityRegistrar();
    return registrar.getHighlightInfoTypeBySeverity(severity).getAttributesKey().getExternalName();
  }

  @NotNull
  public InspectionToolWrapper getToolWrapper() {
    return myToolWrapper;
  }

  @NotNull
  public RefManager getRefManager() {
    return getContext().getRefManager();
  }

  @NotNull
  @Override
  public GlobalInspectionContextImpl getContext() {
    return myContext;
  }

  @Override
  public void exportResults(@NotNull final Element parentNode) {
    getRefManager()
        .iterate(
            new RefVisitor() {
              @Override
              public void visitElement(@NotNull RefEntity elem) {
                exportResults(parentNode, elem);
              }
            });
  }

  @Override
  public boolean isOldProblemsIncluded() {
    final GlobalInspectionContextImpl context = getContext();
    return context.getUIOptions().SHOW_DIFF_WITH_PREVIOUS_RUN && getOldContent() != null;
  }

  @Override
  public void addProblemElement(
      RefEntity refElement, @NotNull CommonProblemDescriptor... descriptions) {
    addProblemElement(refElement, true, descriptions);
  }

  @Override
  public void addProblemElement(
      final RefEntity refElement,
      boolean filterSuppressed,
      @NotNull final CommonProblemDescriptor... descriptors) {
    if (refElement == null) return;
    if (descriptors.length == 0) return;
    if (filterSuppressed) {
      if (!isOutputPathSet() || !(myToolWrapper instanceof LocalInspectionToolWrapper)) {
        synchronized (lock) {
          Map<RefEntity, CommonProblemDescriptor[]> problemElements = getProblemElements();
          CommonProblemDescriptor[] problems = problemElements.get(refElement);
          problems = problems == null ? descriptors : mergeDescriptors(problems, descriptors);
          problemElements.put(refElement, problems);
        }
        for (CommonProblemDescriptor description : descriptors) {
          getProblemToElements().put(description, refElement);
          collectQuickFixes(description.getFixes(), refElement);
        }
      } else {
        writeOutput(descriptors, refElement);
      }
    } else { // just need to collect problems
      for (CommonProblemDescriptor descriptor : descriptors) {
        getProblemToElements().put(descriptor, refElement);
      }
    }

    final GlobalInspectionContextImpl context = getContext();
    if (myToolWrapper instanceof LocalInspectionToolWrapper) {
      final InspectionResultsView view = context.getView();
      if (view == null || !(refElement instanceof RefElement)) {
        return;
      }
      UIUtil.invokeLaterIfNeeded(
          new Runnable() {
            @Override
            public void run() {
              if (!isDisposed()) {
                final InspectionNode toolNode;
                synchronized (myToolLock) {
                  if (myToolNode == null) {
                    final HighlightSeverity currentSeverity = getSeverity((RefElement) refElement);
                    toolNode =
                        view.addTool(
                            myToolWrapper,
                            HighlightDisplayLevel.find(currentSeverity),
                            context.getUIOptions().GROUP_BY_SEVERITY);
                  } else {
                    toolNode = myToolNode;
                    if (toolNode.isTooBigForOnlineRefresh()) {
                      return;
                    }
                  }
                }
                final Map<RefEntity, CommonProblemDescriptor[]> problems =
                    new HashMap<RefEntity, CommonProblemDescriptor[]>();
                problems.put(refElement, descriptors);
                final Map<String, Set<RefEntity>> contents = new HashMap<String, Set<RefEntity>>();
                final String groupName =
                    refElement.getRefManager().getGroupName((RefElement) refElement);
                Set<RefEntity> content = contents.get(groupName);
                if (content == null) {
                  content = new HashSet<RefEntity>();
                  contents.put(groupName, content);
                }
                content.add(refElement);

                view.getProvider()
                    .appendToolNodeContent(
                        context,
                        toolNode,
                        (InspectionTreeNode) toolNode.getParent(),
                        context.getUIOptions().SHOW_STRUCTURE,
                        contents,
                        problems,
                        (DefaultTreeModel) view.getTree().getModel());
                context.addView(view);
              }
            }
          });
    }
  }

  @NotNull
  private static CommonProblemDescriptor[] mergeDescriptors(
      @NotNull CommonProblemDescriptor[] problems1, @NotNull CommonProblemDescriptor[] problems2) {
    CommonProblemDescriptor[] out =
        new CommonProblemDescriptor[problems1.length + problems2.length];
    int o = problems1.length;
    Equality<CommonProblemDescriptor> equality =
        new Equality<CommonProblemDescriptor>() {
          @Override
          public boolean equals(CommonProblemDescriptor o1, CommonProblemDescriptor o2) {
            if (o1 instanceof ProblemDescriptor) {
              ProblemDescriptorBase p1 = (ProblemDescriptorBase) o1;
              ProblemDescriptorBase p2 = (ProblemDescriptorBase) o2;
              if (!Comparing.equal(p1.getDescriptionTemplate(), p2.getDescriptionTemplate()))
                return false;
              if (!Comparing.equal(p1.getTextRange(), p2.getTextRange())) return false;
              if (!Comparing.equal(p1.getHighlightType(), p2.getHighlightType())) return false;
              if (!Comparing.equal(p1.getProblemGroup(), p2.getProblemGroup())) return false;
              if (!Comparing.equal(p1.getStartElement(), p2.getStartElement())) return false;
              if (!Comparing.equal(p1.getEndElement(), p2.getEndElement())) return false;
            } else {
              if (!o1.toString().equals(o2.toString())) return false;
            }
            return true;
          }
        };
    for (CommonProblemDescriptor descriptor : problems2) {
      if (ArrayUtil.indexOf(problems1, descriptor, equality) == -1) {
        out[o++] = descriptor;
      }
    }
    System.arraycopy(problems1, 0, out, 0, problems1.length);
    return Arrays.copyOfRange(out, 0, o);
  }

  public void setToolNode(InspectionNode toolNode) {
    synchronized (myToolLock) {
      myToolNode = toolNode;
    }
  }

  protected boolean isDisposed() {
    return isDisposed;
  }

  private synchronized void writeOutput(
      @NotNull final CommonProblemDescriptor[] descriptions, @NotNull RefEntity refElement) {
    final Element parentNode = new Element(InspectionsBundle.message("inspection.problems"));
    exportResults(descriptions, refElement, parentNode);
    final List list = parentNode.getChildren();

    @NonNls final String ext = ".xml";
    final String fileName = ourOutputPath + File.separator + myToolWrapper.getShortName() + ext;
    final PathMacroManager pathMacroManager =
        PathMacroManager.getInstance(getContext().getProject());
    PrintWriter printWriter = null;
    try {
      new File(ourOutputPath).mkdirs();
      final File file = new File(fileName);
      final CharArrayWriter writer = new CharArrayWriter();
      if (!file.exists()) {
        writer
            .append("<")
            .append(InspectionsBundle.message("inspection.problems"))
            .append(" " + GlobalInspectionContextBase.LOCAL_TOOL_ATTRIBUTE + "=\"")
            .append(Boolean.toString(myToolWrapper instanceof LocalInspectionToolWrapper))
            .append("\">\n");
      }
      for (Object o : list) {
        final Element element = (Element) o;
        pathMacroManager.collapsePaths(element);
        JDOMUtil.writeElement(element, writer, "\n");
      }
      printWriter =
          new PrintWriter(
              new BufferedWriter(
                  new OutputStreamWriter(
                      new FileOutputStream(fileName, true), CharsetToolkit.UTF8_CHARSET)));
      printWriter.append("\n");
      printWriter.append(writer.toString());
    } catch (IOException e) {
      LOG.error(e);
    } finally {
      if (printWriter != null) {
        printWriter.close();
      }
    }
  }

  @Override
  @NotNull
  public Collection<CommonProblemDescriptor> getProblemDescriptors() {
    return getProblemToElements().keySet();
  }

  private void collectQuickFixes(final QuickFix[] fixes, @NotNull RefEntity refEntity) {
    if (fixes != null && fixes.length != 0) {
      Set<QuickFix> localQuickFixes = getQuickFixActions().get(refEntity);
      if (localQuickFixes == null) {
        localQuickFixes = new HashSet<QuickFix>();
        getQuickFixActions().put(refEntity, localQuickFixes);
      }
      ContainerUtil.addAll(localQuickFixes, fixes);
    }
  }

  @Override
  public void ignoreElement(@NotNull final RefEntity refEntity) {
    getProblemElements().remove(refEntity);
    getQuickFixActions().remove(refEntity);
  }

  @Override
  public void ignoreCurrentElement(RefEntity refEntity) {
    if (refEntity == null) return;
    getIgnoredElements().put(refEntity, getProblemElements().get(refEntity));
  }

  @Override
  public void amnesty(RefEntity refEntity) {
    getIgnoredElements().remove(refEntity);
  }

  @Override
  public void ignoreProblem(RefEntity refEntity, CommonProblemDescriptor problem, int idx) {
    if (refEntity == null) return;
    final Set<QuickFix> localQuickFixes = getQuickFixActions().get(refEntity);
    final QuickFix[] fixes = problem.getFixes();
    if (isIgnoreProblem(fixes, localQuickFixes, idx)) {
      getProblemToElements().remove(problem);
      Map<RefEntity, CommonProblemDescriptor[]> problemElements = getProblemElements();
      synchronized (lock) {
        CommonProblemDescriptor[] descriptors = problemElements.get(refEntity);
        if (descriptors != null) {
          ArrayList<CommonProblemDescriptor> newDescriptors =
              new ArrayList<CommonProblemDescriptor>(Arrays.asList(descriptors));
          newDescriptors.remove(problem);
          getQuickFixActions().put(refEntity, null);
          if (!newDescriptors.isEmpty()) {
            problemElements.put(
                refEntity,
                newDescriptors.toArray(new CommonProblemDescriptor[newDescriptors.size()]));
            for (CommonProblemDescriptor descriptor : newDescriptors) {
              collectQuickFixes(descriptor.getFixes(), refEntity);
            }
          } else {
            ignoreProblemElement(refEntity);
          }
        }
      }
    }
  }

  private void ignoreProblemElement(RefEntity refEntity) {
    final CommonProblemDescriptor[] problemDescriptors = getProblemElements().remove(refEntity);
    getIgnoredElements().put(refEntity, problemDescriptors);
  }

  @Override
  public void ignoreCurrentElementProblem(RefEntity refEntity, CommonProblemDescriptor descriptor) {
    CommonProblemDescriptor[] descriptors = getIgnoredElements().get(refEntity);
    if (descriptors == null) {
      descriptors = new CommonProblemDescriptor[0];
    }
    getIgnoredElements().put(refEntity, ArrayUtil.append(descriptors, descriptor));
  }

  private static boolean isIgnoreProblem(QuickFix[] problemFixes, Set<QuickFix> fixes, int idx) {
    if (problemFixes == null || fixes == null) {
      return true;
    }
    if (problemFixes.length <= idx) {
      return true;
    }
    for (QuickFix fix : problemFixes) {
      if (fix != problemFixes[idx] && !fixes.contains(fix)) {
        return false;
      }
    }
    return true;
  }

  @Override
  public void cleanup() {
    myOldProblemElements = null;

    synchronized (lock) {
      myProblemElements.clear();
      myProblemToElements.clear();
      myQuickFixActions.clear();
      myIgnoredElements.clear();
      myContents.clear();
      myModulesProblems.clear();
    }

    isDisposed = true;
  }

  @Override
  public void finalCleanup() {
    myOldProblemElements = null;
    cleanup();
  }

  @Override
  @Nullable
  public CommonProblemDescriptor[] getDescriptions(@NotNull RefEntity refEntity) {
    final CommonProblemDescriptor[] problems = getProblemElements().get(refEntity);
    if (problems == null) return null;

    if (!refEntity.isValid()) {
      ignoreElement(refEntity);
      return null;
    }

    return problems;
  }

  @NotNull
  @Override
  public HTMLComposerImpl getComposer() {
    if (myComposer == null) {
      myComposer = new DescriptorComposer(this);
    }
    return myComposer;
  }

  @Override
  public void exportResults(@NotNull final Element parentNode, @NotNull RefEntity refEntity) {
    synchronized (lock) {
      if (getProblemElements().containsKey(refEntity)) {
        CommonProblemDescriptor[] descriptions = getDescriptions(refEntity);
        if (descriptions != null) {
          exportResults(descriptions, refEntity, parentNode);
        }
      }
    }
  }

  private void exportResults(
      @NotNull final CommonProblemDescriptor[] descriptors,
      @NotNull RefEntity refEntity,
      @NotNull Element parentNode) {
    for (CommonProblemDescriptor descriptor : descriptors) {
      @NonNls final String template = descriptor.getDescriptionTemplate();
      int line =
          descriptor instanceof ProblemDescriptor
              ? ((ProblemDescriptor) descriptor).getLineNumber()
              : -1;
      final PsiElement psiElement =
          descriptor instanceof ProblemDescriptor
              ? ((ProblemDescriptor) descriptor).getPsiElement()
              : null;
      @NonNls
      String problemText =
          StringUtil.replace(
              StringUtil.replace(
                  template,
                  "#ref",
                  psiElement != null
                      ? ProblemDescriptorUtil.extractHighlightedText(descriptor, psiElement)
                      : ""),
              " #loc ",
              " ");

      Element element = refEntity.getRefManager().export(refEntity, parentNode, line);
      if (element == null) return;
      @NonNls
      Element problemClassElement =
          new Element(InspectionsBundle.message("inspection.export.results.problem.element.tag"));
      problemClassElement.addContent(myToolWrapper.getDisplayName());

      final HighlightSeverity severity;
      if (refEntity instanceof RefElement) {
        final RefElement refElement = (RefElement) refEntity;
        severity = getSeverity(refElement);
      } else {
        final InspectionProfile profile =
            InspectionProjectProfileManager.getInstance(getContext().getProject())
                .getInspectionProfile();
        final HighlightDisplayLevel level =
            profile.getErrorLevel(
                HighlightDisplayKey.find(myToolWrapper.getShortName()), psiElement);
        severity = level.getSeverity();
      }

      if (severity != null) {
        ProblemHighlightType problemHighlightType =
            descriptor instanceof ProblemDescriptor
                ? ((ProblemDescriptor) descriptor).getHighlightType()
                : ProblemHighlightType.GENERIC_ERROR_OR_WARNING;
        final String attributeKey =
            getTextAttributeKey(getRefManager().getProject(), severity, problemHighlightType);
        problemClassElement.setAttribute("severity", severity.myName);
        problemClassElement.setAttribute("attribute_key", attributeKey);
      }

      element.addContent(problemClassElement);
      if (myToolWrapper instanceof GlobalInspectionToolWrapper) {
        final GlobalInspectionTool globalInspectionTool =
            ((GlobalInspectionToolWrapper) myToolWrapper).getTool();
        final QuickFix[] fixes = descriptor.getFixes();
        if (fixes != null) {
          @NonNls Element hintsElement = new Element("hints");
          for (QuickFix fix : fixes) {
            final String hint = globalInspectionTool.getHint(fix);
            if (hint != null) {
              @NonNls Element hintElement = new Element("hint");
              hintElement.setAttribute("value", hint);
              hintsElement.addContent(hintElement);
            }
          }
          element.addContent(hintsElement);
        }
      }
      try {
        Element descriptionElement =
            new Element(InspectionsBundle.message("inspection.export.results.description.tag"));
        descriptionElement.addContent(problemText);
        element.addContent(descriptionElement);
      } catch (IllegalDataException e) {
        //noinspection HardCodedStringLiteral,UseOfSystemOutOrSystemErr
        System.out.println(
            "Cannot save results for "
                + refEntity.getName()
                + ", inspection which caused problem: "
                + myToolWrapper.getShortName());
      }
    }
  }

  @Override
  public boolean isGraphNeeded() {
    return false;
  }

  @Override
  public boolean hasReportedProblems() {
    final GlobalInspectionContextImpl context = getContext();
    if (!isDisposed() && context.getUIOptions().SHOW_ONLY_DIFF) {
      for (CommonProblemDescriptor descriptor : getProblemToElements().keySet()) {
        if (getProblemStatus(descriptor) != FileStatus.NOT_CHANGED) {
          return true;
        }
      }
      if (myOldProblemElements != null) {
        for (RefEntity entity : myOldProblemElements.keySet()) {
          if (getElementStatus(entity) != FileStatus.NOT_CHANGED) {
            return true;
          }
        }
      }
      return false;
    }
    if (!getProblemElements().isEmpty()) return true;
    return !isDisposed()
        && context.getUIOptions().SHOW_DIFF_WITH_PREVIOUS_RUN
        && myOldProblemElements != null
        && !myOldProblemElements.isEmpty();
  }

  @Override
  public void updateContent() {
    myContents.clear();
    myModulesProblems.clear();
    final Set<RefEntity> elements = getProblemElements().keySet();
    for (RefEntity element : elements) {
      if (getContext().getUIOptions().FILTER_RESOLVED_ITEMS
          && getIgnoredElements().containsKey(element)) continue;
      if (element instanceof RefModule) {
        myModulesProblems.add((RefModule) element);
      } else {
        String groupName =
            element instanceof RefElement
                ? element.getRefManager().getGroupName((RefElement) element)
                : null;
        Set<RefEntity> content = myContents.get(groupName);
        if (content == null) {
          content = new HashSet<RefEntity>();
          myContents.put(groupName, content);
        }
        content.add(element);
      }
    }
  }

  @NotNull
  @Override
  public Map<String, Set<RefEntity>> getContent() {
    return myContents;
  }

  @Override
  public Map<String, Set<RefEntity>> getOldContent() {
    if (myOldProblemElements == null) return null;
    final Map<String, Set<RefEntity>> oldContents =
        new com.intellij.util.containers.HashMap<String, Set<RefEntity>>();
    final Set<RefEntity> elements = myOldProblemElements.keySet();
    for (RefEntity element : elements) {
      String groupName =
          element instanceof RefElement
              ? element.getRefManager().getGroupName((RefElement) element)
              : element.getName();
      final Set<RefEntity> collection = myContents.get(groupName);
      if (collection != null) {
        final Set<RefEntity> currentElements = new HashSet<RefEntity>(collection);
        if (RefUtil.contains(element, currentElements)) continue;
      }
      Set<RefEntity> oldContent = oldContents.get(groupName);
      if (oldContent == null) {
        oldContent = new HashSet<RefEntity>();
        oldContents.put(groupName, oldContent);
      }
      oldContent.add(element);
    }
    return oldContents;
  }

  @NotNull
  @Override
  public Set<RefModule> getModuleProblems() {
    return myModulesProblems;
  }

  @Override
  @Nullable
  public QuickFixAction[] getQuickFixes(@NotNull final RefEntity[] refElements) {
    return extractActiveFixes(refElements, getQuickFixActions());
  }

  @Override
  @Nullable
  public QuickFixAction[] extractActiveFixes(
      @NotNull RefEntity[] refElements, @NotNull Map<RefEntity, Set<QuickFix>> actions) {
    Map<Class, QuickFixAction> result =
        new com.intellij.util.containers.HashMap<Class, QuickFixAction>();
    for (RefEntity refElement : refElements) {
      final Set<QuickFix> localQuickFixes = actions.get(refElement);
      if (localQuickFixes == null) continue;
      for (QuickFix fix : localQuickFixes) {
        if (fix == null) continue;
        final Class klass =
            fix instanceof ActionClassHolder
                ? ((ActionClassHolder) fix).getActionClass()
                : fix.getClass();
        final QuickFixAction quickFixAction = result.get(klass);
        if (quickFixAction != null) {
          try {
            String familyName = fix.getFamilyName();
            familyName = !familyName.isEmpty() ? "\'" + familyName + "\'" : familyName;
            ((LocalQuickFixWrapper) quickFixAction)
                .setText(
                    InspectionsBundle.message(
                        "inspection.descriptor.provider.apply.fix", familyName));
          } catch (AbstractMethodError e) {
            // for plugin compatibility
            ((LocalQuickFixWrapper) quickFixAction)
                .setText(InspectionsBundle.message("inspection.descriptor.provider.apply.fix", ""));
          }
        } else {
          LocalQuickFixWrapper quickFixWrapper = new LocalQuickFixWrapper(fix, myToolWrapper);
          result.put(klass, quickFixWrapper);
        }
      }
    }
    return result.values().isEmpty()
        ? null
        : result.values().toArray(new QuickFixAction[result.size()]);
  }

  @Override
  public RefEntity getElement(@NotNull CommonProblemDescriptor descriptor) {
    return getProblemToElements().get(descriptor);
  }

  @Override
  public void ignoreProblem(@NotNull CommonProblemDescriptor descriptor, @NotNull QuickFix fix) {
    RefEntity refElement = getProblemToElements().get(descriptor);
    if (refElement != null) {
      final QuickFix[] fixes = descriptor.getFixes();
      for (int i = 0; i < fixes.length; i++) {
        if (fixes[i] == fix) {
          ignoreProblem(refElement, descriptor, i);
          return;
        }
      }
    }
  }

  @Override
  public boolean isElementIgnored(final RefEntity element) {
    for (RefEntity entity : getIgnoredElements().keySet()) {
      if (Comparing.equal(entity, element)) {
        return true;
      }
    }
    return false;
  }

  @Override
  public boolean isProblemResolved(RefEntity refEntity, CommonProblemDescriptor descriptor) {
    if (descriptor == null) return true;
    for (RefEntity entity : getIgnoredElements().keySet()) {
      if (Comparing.equal(entity, refEntity)) {
        final CommonProblemDescriptor[] descriptors = getIgnoredElements().get(refEntity);
        return ArrayUtil.contains(descriptor, descriptors);
      }
    }
    return false;
  }

  @Override
  @NotNull
  public FileStatus getProblemStatus(@NotNull final CommonProblemDescriptor descriptor) {
    final GlobalInspectionContextImpl context = getContext();
    if (!isDisposed() && context.getUIOptions().SHOW_DIFF_WITH_PREVIOUS_RUN) {
      if (myOldProblemElements != null) {
        final Set<CommonProblemDescriptor> allAvailable = new HashSet<CommonProblemDescriptor>();
        for (CommonProblemDescriptor[] descriptors : myOldProblemElements.values()) {
          if (descriptors != null) {
            ContainerUtil.addAll(allAvailable, descriptors);
          }
        }
        final boolean old = containsDescriptor(descriptor, allAvailable);
        final boolean current = containsDescriptor(descriptor, getProblemToElements().keySet());
        return calcStatus(old, current);
      }
    }
    return FileStatus.NOT_CHANGED;
  }

  private static boolean containsDescriptor(
      @NotNull CommonProblemDescriptor descriptor,
      Collection<CommonProblemDescriptor> descriptors) {
    PsiElement element = null;
    if (descriptor instanceof ProblemDescriptor) {
      element = ((ProblemDescriptor) descriptor).getPsiElement();
    }
    for (CommonProblemDescriptor problemDescriptor : descriptors) {
      if (problemDescriptor instanceof ProblemDescriptor) {
        if (!Comparing.equal(element, ((ProblemDescriptor) problemDescriptor).getPsiElement())) {
          continue;
        }
      }
      if (Comparing.strEqual(
          problemDescriptor.getDescriptionTemplate(), descriptor.getDescriptionTemplate())) {
        return true;
      }
    }
    return false;
  }

  @NotNull
  @Override
  public FileStatus getElementStatus(final RefEntity element) {
    final GlobalInspectionContextImpl context = getContext();
    if (!isDisposed() && context.getUIOptions().SHOW_DIFF_WITH_PREVIOUS_RUN) {
      if (myOldProblemElements != null) {
        final boolean old = RefUtil.contains(element, myOldProblemElements.keySet());
        final boolean current = RefUtil.contains(element, getProblemElements().keySet());
        return calcStatus(old, current);
      }
    }
    return FileStatus.NOT_CHANGED;
  }

  @NotNull
  @Override
  public Collection<RefEntity> getIgnoredRefElements() {
    return getIgnoredElements().keySet();
  }

  @Override
  @NotNull
  public Map<RefEntity, CommonProblemDescriptor[]> getProblemElements() {
    return myProblemElements;
  }

  @Override
  @Nullable
  public Map<RefEntity, CommonProblemDescriptor[]> getOldProblemElements() {
    return myOldProblemElements;
  }

  @NotNull
  private Map<CommonProblemDescriptor, RefEntity> getProblemToElements() {
    return myProblemToElements;
  }

  @NotNull
  private Map<RefEntity, Set<QuickFix>> getQuickFixActions() {
    return myQuickFixActions;
  }

  @NotNull
  private Map<RefEntity, CommonProblemDescriptor[]> getIgnoredElements() {
    return myIgnoredElements;
  }

  @NotNull
  @Override
  public InspectionNode createToolNode(
      @NotNull GlobalInspectionContextImpl globalInspectionContext,
      @NotNull InspectionNode node,
      @NotNull InspectionRVContentProvider provider,
      @NotNull InspectionTreeNode parentNode,
      boolean showStructure) {
    return node;
  }

  @Override
  @Nullable
  public IntentionAction findQuickFixes(
      @NotNull final CommonProblemDescriptor problemDescriptor, final String hint) {
    InspectionProfileEntry tool = getToolWrapper().getTool();
    if (!(tool instanceof GlobalInspectionTool)) return null;
    final QuickFix fix = ((GlobalInspectionTool) tool).getQuickFix(hint);
    if (fix == null) {
      return null;
    }
    if (problemDescriptor instanceof ProblemDescriptor) {
      final ProblemDescriptor descriptor =
          new ProblemDescriptorImpl(
              ((ProblemDescriptor) problemDescriptor).getStartElement(),
              ((ProblemDescriptor) problemDescriptor).getEndElement(),
              problemDescriptor.getDescriptionTemplate(),
              new LocalQuickFix[] {(LocalQuickFix) fix},
              ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
              false,
              null,
              false);
      return QuickFixWrapper.wrap(descriptor, 0);
    }
    return new IntentionAction() {
      @Override
      @NotNull
      public String getText() {
        return fix.getName();
      }

      @Override
      @NotNull
      public String getFamilyName() {
        return fix.getFamilyName();
      }

      @Override
      public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
        return true;
      }

      @Override
      public void invoke(@NotNull Project project, Editor editor, PsiFile file)
          throws IncorrectOperationException {
        fix.applyFix(project, problemDescriptor); // todo check type consistency
      }

      @Override
      public boolean startInWriteAction() {
        return true;
      }
    };
  }

  public static synchronized void setOutputPath(final String output) {
    ourOutputPath = output;
  }

  private static synchronized boolean isOutputPathSet() {
    return ourOutputPath != null;
  }
}