private synchronized void save() {
    myDir.mkdirs();

    Properties props = new Properties();

    props.setProperty(KIND_KEY, myKind.toString());
    props.setProperty(ID_KEY, myId.getValue());
    props.setProperty(PATH_OR_URL_KEY, myRepositoryPathOrUrl);
    props.setProperty(INDEX_VERSION_KEY, CURRENT_VERSION);
    if (myUpdateTimestamp != null)
      props.setProperty(TIMESTAMP_KEY, String.valueOf(myUpdateTimestamp));
    if (myDataDirName != null) props.setProperty(DATA_DIR_NAME_KEY, myDataDirName);
    if (myFailureMessage != null) props.setProperty(FAILURE_MESSAGE_KEY, myFailureMessage);

    try {
      FileOutputStream s = new FileOutputStream(new File(myDir, INDEX_INFO_FILE));
      try {
        props.store(s, null);
      } finally {
        s.close();
      }
    } catch (IOException e) {
      MavenLog.LOG.warn(e);
    }
  }
 public Instruction[] getControlFlow() {
   assert isValid();
   CachedValue<Instruction[]> controlFlow = getUserData(CONTROL_FLOW);
   if (controlFlow == null) {
     controlFlow =
         CachedValuesManager.getManager(getProject())
             .createCachedValue(
                 new CachedValueProvider<Instruction[]>() {
                   @Override
                   public Result<Instruction[]> compute() {
                     try {
                       ResolveProfiler.start();
                       final Instruction[] flow =
                           new ControlFlowBuilder(getProject()).buildControlFlow(GrBlockImpl.this);
                       return Result.create(
                           flow,
                           getContainingFile(),
                           PsiModificationTracker.JAVA_STRUCTURE_MODIFICATION_COUNT);
                     } finally {
                       final long time = ResolveProfiler.finish();
                       ResolveProfiler.write("flow " + GrBlockImpl.this.toString() + " : " + time);
                     }
                   }
                 },
                 false);
     controlFlow = putUserDataIfAbsent(CONTROL_FLOW, controlFlow);
   }
   return ControlFlowBuilder.assertValidPsi(controlFlow.getValue());
 }
  @Nullable
  public BundleManifest getManifest(@NotNull final VirtualFile libRoot) {
    CachedValue<BundleManifest> value = myCache.get(libRoot);

    if (value == null) {
      value =
          myManager.createCachedValue(
              new CachedValueProvider<BundleManifest>() {
                @Nullable
                @Override
                public Result<BundleManifest> compute() {
                  VirtualFile manifestFile = libRoot.findFileByRelativePath(JarFile.MANIFEST_NAME);
                  PsiFile psiFile =
                      manifestFile != null
                          ? PsiManager.getInstance(myProject).findFile(manifestFile)
                          : null;
                  BundleManifest manifest = manifestFile != null ? readManifest(psiFile) : null;
                  return Result.createSingleDependency(manifest, libRoot);
                }
              },
              false);

      myCache.put(libRoot, value);
    }

    return value.getValue();
  }
  public XmlNSDescriptor getNSDescriptor(final String namespace, boolean strict) {
    final XmlTag parentTag = getParentTag();

    if (parentTag == null && namespace.equals(XmlUtil.XHTML_URI)) {
      final XmlNSDescriptor descriptor = getDtdDescriptor(XmlUtil.getContainingFile(this));
      if (descriptor != null) {
        return descriptor;
      }
    }

    Map<String, CachedValue<XmlNSDescriptor>> map = initNSDescriptorsMap();
    final CachedValue<XmlNSDescriptor> descriptor = map.get(namespace);
    if (descriptor != null) {
      final XmlNSDescriptor value = descriptor.getValue();
      if (value != null) {
        return value;
      }
    }

    if (parentTag == null) {
      final XmlDocument parentOfType = PsiTreeUtil.getParentOfType(this, XmlDocument.class);
      if (parentOfType == null) {
        return null;
      }
      return parentOfType.getDefaultNSDescriptor(namespace, strict);
    }

    return parentTag.getNSDescriptor(namespace, strict);
  }
Exemple #5
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 @Override
 @Nullable
 public PsiModifierList getAnnotationList() {
   if (myAnnotationList == null) {
     myAnnotationList =
         CachedValuesManager.getManager(myManager.getProject())
             .createCachedValue(new PackageAnnotationValueProvider());
   }
   return myAnnotationList.getValue();
 }
  @Override
  public XmlNSDescriptor getDefaultNSDescriptor(final String namespace, final boolean strict) {
    long curExtResourcesModCount =
        ExternalResourceManagerEx.getInstanceEx().getModificationCount(getProject());
    if (myExtResourcesModCount != curExtResourcesModCount) {
      myDefaultDescriptorsCacheNotStrict.clear();
      myDefaultDescriptorsCacheStrict.clear();
      myExtResourcesModCount = curExtResourcesModCount;
    }

    final ConcurrentMap<String, CachedValue<XmlNSDescriptor>> defaultDescriptorsCache;
    if (strict) {
      defaultDescriptorsCache = myDefaultDescriptorsCacheStrict;
    } else {
      defaultDescriptorsCache = myDefaultDescriptorsCacheNotStrict;
    }

    CachedValue<XmlNSDescriptor> cachedValue = defaultDescriptorsCache.get(namespace);
    if (cachedValue == null) {
      defaultDescriptorsCache.put(
          namespace,
          cachedValue =
              new PsiCachedValueImpl<XmlNSDescriptor>(
                  getManager(),
                  new CachedValueProvider<XmlNSDescriptor>() {
                    @Override
                    public Result<XmlNSDescriptor> compute() {
                      final XmlNSDescriptor defaultNSDescriptorInner =
                          getDefaultNSDescriptorInner(namespace, strict);

                      if (isGeneratedFromDtd(defaultNSDescriptorInner)) {
                        return new Result<XmlNSDescriptor>(
                            defaultNSDescriptorInner,
                            XmlDocumentImpl.this,
                            ExternalResourceManager.getInstance());
                      }

                      return new Result<XmlNSDescriptor>(
                          defaultNSDescriptorInner,
                          defaultNSDescriptorInner != null
                              ? defaultNSDescriptorInner.getDependences()
                              : ExternalResourceManager.getInstance());
                    }
                  }));
    }
    return cachedValue.getValue();
  }
 /**
  * Analyze project with string cache for given file. Given file will be fully analyzed.
  *
  * @param file
  * @param declarationProvider
  * @return
  */
 public static AnalyzeExhaust analyzeFileWithCache(
     @NotNull final JetFile file,
     @NotNull final Function<JetFile, Collection<JetFile>> declarationProvider) {
   // Need lock for getValue(), because parallel threads can start evaluation of compute()
   // simultaneously
   synchronized (lock) {
     CachedValue<AnalyzeExhaust> bindingContextCachedValue = file.getUserData(BINDING_CONTEXT);
     if (bindingContextCachedValue == null) {
       bindingContextCachedValue =
           CachedValuesManager.getManager(file.getProject())
               .createCachedValue(
                   new CachedValueProvider<AnalyzeExhaust>() {
                     @Override
                     public Result<AnalyzeExhaust> compute() {
                       try {
                         AnalyzeExhaust bindingContext =
                             analyzeFilesWithJavaIntegration(
                                 file.getProject(),
                                 declarationProvider.fun(file),
                                 Predicates.<PsiFile>equalTo(file),
                                 JetControlFlowDataTraceFactory.EMPTY);
                         return new Result<AnalyzeExhaust>(
                             bindingContext, PsiModificationTracker.MODIFICATION_COUNT);
                       } catch (ProcessCanceledException e) {
                         throw e;
                       } catch (Throwable e) {
                         DiagnosticUtils.throwIfRunningOnServer(e);
                         LOG.error(e);
                         BindingTraceContext bindingTraceContext = new BindingTraceContext();
                         bindingTraceContext.report(Errors.EXCEPTION_WHILE_ANALYZING.on(file, e));
                         AnalyzeExhaust analyzeExhaust =
                             new AnalyzeExhaust(bindingTraceContext.getBindingContext(), null);
                         return new Result<AnalyzeExhaust>(
                             analyzeExhaust, PsiModificationTracker.MODIFICATION_COUNT);
                       }
                     }
                   },
                   false);
       file.putUserData(BINDING_CONTEXT, bindingContextCachedValue);
     }
     return bindingContextCachedValue.getValue();
   }
 }
Exemple #8
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  private PsiJavaFileStub getStub() {
    CachedValue<PsiJavaFileStub> answer = file.getUserData(JAVA_API_STUB);
    if (answer == null) {
      answer =
          CachedValuesManager.getManager(getProject())
              .createCachedValue(
                  new CachedValueProvider<PsiJavaFileStub>() {
                    @Override
                    public Result<PsiJavaFileStub> compute() {
                      return Result.create(
                          calcStub(), PsiModificationTracker.OUT_OF_CODE_BLOCK_MODIFICATION_COUNT);
                    }
                  },
                  false);
      file.putUserData(JAVA_API_STUB, answer);
    }

    return answer.getValue();
  }
  @Nullable
  protected TypeDescriptor findTypeDescriptorImpl(
      XmlTag rootTag, final String name, String namespace, Set<XmlTag> visited) {
    XmlNSDescriptorImpl responsibleDescriptor = this;
    if (namespace != null && namespace.length() != 0 && !namespace.equals(getDefaultNamespace())) {
      final XmlNSDescriptor nsDescriptor = rootTag.getNSDescriptor(namespace, true);

      if (nsDescriptor instanceof XmlNSDescriptorImpl) {
        responsibleDescriptor = (XmlNSDescriptorImpl) nsDescriptor;
      }
    }

    if (responsibleDescriptor != this) {
      return responsibleDescriptor.findTypeDescriptor(XmlUtil.findLocalNameByQualifiedName(name));
    }

    if (rootTag == null) return null;
    if (visited != null) {
      if (visited.contains(rootTag)) return null;
      visited.add(rootTag);
    }

    final Pair<QNameKey, XmlTag> pair =
        new Pair<QNameKey, XmlTag>(new QNameKey(name, namespace), rootTag);

    final CachedValue<TypeDescriptor> descriptor = myTypesMap.get(pair);
    if (descriptor != null) {
      TypeDescriptor value = descriptor.getValue();
      if (value == null
          || (value instanceof ComplexTypeDescriptor
              && ((ComplexTypeDescriptor) value).getDeclaration().isValid())) return value;
    }

    XmlTag[] tags = rootTag.getSubTags();

    if (visited == null) {
      visited = new HashSet<XmlTag>(1);
      visited.add(rootTag);
    }

    return doFindIn(tags, name, namespace, pair, rootTag, visited);
  }
 @Nullable
 private static PsiType getLeastUpperBoundByVar(final GrVariable resolved) {
   CachedValue<PsiType> data = resolved.getUserData(LEAST_UPPER_BOUND_TYPE);
   if (data == null) {
     data =
         CachedValuesManager.getManager(resolved.getProject())
             .createCachedValue(
                 new CachedValueProvider<PsiType>() {
                   @Override
                   public Result<PsiType> compute() {
                     return Result.create(
                         getLeastUpperBoundByVarImpl(resolved),
                         PsiModificationTracker.MODIFICATION_COUNT,
                         ProjectRootManager.getInstance(resolved.getProject()));
                   }
                 },
                 false);
   }
   return data.getValue();
 }
 /**
  * Analyze project with string cache for the whole project. All given files will be analyzed only
  * for descriptors.
  */
 public static AnalyzeExhaust analyzeProjectWithCache(
     @NotNull final Project project, @NotNull final Collection<JetFile> files) {
   // Need lock for getValue(), because parallel threads can start evaluation of compute()
   // simultaneously
   synchronized (lock) {
     CachedValue<AnalyzeExhaust> bindingContextCachedValue = project.getUserData(BINDING_CONTEXT);
     if (bindingContextCachedValue == null) {
       bindingContextCachedValue =
           CachedValuesManager.getManager(project)
               .createCachedValue(
                   new CachedValueProvider<AnalyzeExhaust>() {
                     @Override
                     public Result<AnalyzeExhaust> compute() {
                       try {
                         AnalyzeExhaust analyzeExhaust =
                             analyzeFilesWithJavaIntegration(
                                 project,
                                 files,
                                 Predicates.<PsiFile>alwaysFalse(),
                                 JetControlFlowDataTraceFactory.EMPTY);
                         return new Result<AnalyzeExhaust>(
                             analyzeExhaust, PsiModificationTracker.MODIFICATION_COUNT);
                       } catch (ProcessCanceledException e) {
                         throw e;
                       } catch (Throwable e) {
                         DiagnosticUtils.throwIfRunningOnServer(e);
                         LOG.error(e);
                         BindingTraceContext bindingTraceContext = new BindingTraceContext();
                         AnalyzeExhaust analyzeExhaust =
                             new AnalyzeExhaust(bindingTraceContext.getBindingContext(), null);
                         return new Result<AnalyzeExhaust>(
                             analyzeExhaust, PsiModificationTracker.MODIFICATION_COUNT);
                       }
                     }
                   },
                   false);
       project.putUserData(BINDING_CONTEXT, bindingContextCachedValue);
     }
     return bindingContextCachedValue.getValue();
   }
 }
Exemple #12
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  /** Returns the same as {@link #getGlobalDartSdk()} but much faster */
  @Nullable
  public static DartSdk getDartSdk(@NotNull final Project project) {
    CachedValue<DartSdk> cachedValue = project.getUserData(CACHED_DART_SDK_KEY);

    if (cachedValue == null) {
      cachedValue =
          CachedValuesManager.getManager(project)
              .createCachedValue(
                  () -> {
                    final DartSdk sdk = getGlobalDartSdk();
                    if (sdk == null) {
                      return new CachedValueProvider.Result<DartSdk>(
                          null, DartProjectComponent.getProjectRootsModificationTracker(project));
                    }

                    List<Object> dependencies = new ArrayList<Object>(3);
                    dependencies.add(
                        DartProjectComponent.getProjectRootsModificationTracker(project));
                    ContainerUtil.addIfNotNull(
                        dependencies,
                        LocalFileSystem.getInstance()
                            .findFileByPath(sdk.getHomePath() + "/version"));
                    ContainerUtil.addIfNotNull(
                        dependencies,
                        LocalFileSystem.getInstance()
                            .findFileByPath(sdk.getHomePath() + "/lib/core/core.dart"));

                    return new CachedValueProvider.Result<DartSdk>(
                        sdk, ArrayUtil.toObjectArray(dependencies));
                  },
                  false);

      project.putUserData(CACHED_DART_SDK_KEY, cachedValue);
    }

    return cachedValue.getValue();
  }
  @Nullable
  public XmlElementDescriptor getElementDescriptor(
      String localName, String namespace, Set<XmlNSDescriptorImpl> visited, boolean reference) {
    if (visited.contains(this)) return null;

    final QNameKey pair = new QNameKey(namespace, localName);
    final CachedValue<XmlElementDescriptor> descriptor = myDescriptorsMap.get(pair);
    if (descriptor != null) {
      final XmlElementDescriptor value = descriptor.getValue();
      if (value == null || value.getDeclaration().isValid()) return value;
    }

    final XmlTag rootTag = myTag;
    if (rootTag == null) return null;
    XmlTag[] tags = rootTag.getSubTags();
    visited.add(this);

    for (final XmlTag tag : tags) {
      if (equalsToSchemaName(tag, ELEMENT_TAG_NAME)) {
        String name = tag.getAttributeValue("name");

        if (name != null) {
          if (checkElementNameEquivalence(localName, namespace, name, tag)) {
            final CachedValue<XmlElementDescriptor> cachedValue =
                CachedValuesManager.getManager(tag.getProject())
                    .createCachedValue(
                        new CachedValueProvider<XmlElementDescriptor>() {
                          public Result<XmlElementDescriptor> compute() {
                            final String name = tag.getAttributeValue("name");

                            if (name != null && !name.equals(pair.second)) {
                              myDescriptorsMap.remove(pair);
                              return new Result<XmlElementDescriptor>(null);
                            }
                            final XmlElementDescriptor xmlElementDescriptor =
                                createElementDescriptor(tag);
                            return new Result<XmlElementDescriptor>(
                                xmlElementDescriptor, xmlElementDescriptor.getDependences());
                          }
                        },
                        false);
            myDescriptorsMap.put(pair, cachedValue);
            return cachedValue.getValue();
          }
        }
      } else if (equalsToSchemaName(tag, INCLUDE_TAG_NAME)
          || (reference
              && equalsToSchemaName(tag, IMPORT_TAG_NAME)
              && (namespace.equals(tag.getAttributeValue("namespace"))
                  || namespace.length() == 0 && tag.getAttributeValue("namespace") == null))) {
        final XmlAttribute schemaLocation = tag.getAttribute("schemaLocation", null);
        if (schemaLocation != null) {
          final XmlFile xmlFile =
              XmlUtil.findNamespaceByLocation(
                  rootTag.getContainingFile(), schemaLocation.getValue());
          if (xmlFile != null) {
            final XmlDocument includedDocument = xmlFile.getDocument();
            if (includedDocument != null) {
              final PsiMetaData data = includedDocument.getMetaData();
              if (data instanceof XmlNSDescriptorImpl) {
                final XmlElementDescriptor elementDescriptor =
                    ((XmlNSDescriptorImpl) data)
                        .getElementDescriptor(localName, namespace, visited, reference);
                if (elementDescriptor != null) {
                  // final CachedValue<XmlElementDescriptor> value =
                  // includedDocument.getManager().getCachedValuesManager()
                  //  .createCachedValue(new CachedValueProvider<XmlElementDescriptor>() {
                  //    public Result<XmlElementDescriptor> compute() {
                  //      return new Result<XmlElementDescriptor>(elementDescriptor,
                  // elementDescriptor.getDependences());
                  //    }
                  //  }, false);
                  // return value.getValue();
                  return elementDescriptor;
                }
              }
            }
          }
        }
      } else if (equalsToSchemaName(tag, REDEFINE_TAG_NAME)) {
        final XmlNSDescriptorImpl nsDescriptor = getRedefinedElementDescriptor(tag);
        if (nsDescriptor != null) {
          final XmlElementDescriptor xmlElementDescriptor =
              nsDescriptor.getElementDescriptor(localName, namespace, visited, reference);
          if (xmlElementDescriptor != null) return xmlElementDescriptor;
        }
      }
    }

    return null;
  }
  @Nullable
  public BundleManifest getManifest(@NotNull final Module module) {
    final OsmorcFacet facet = OsmorcFacet.getInstance(module);
    if (facet == null) return null;

    CachedValue<BundleManifest> value = myCache.get(facet);

    if (value == null) {
      value =
          myManager.createCachedValue(
              new CachedValueProvider<BundleManifest>() {
                @Nullable
                @Override
                public Result<BundleManifest> compute() {
                  OsmorcFacetConfiguration configuration = facet.getConfiguration();
                  BundleManifest manifest = null;
                  List<Object> dependencies = ContainerUtil.<Object>newSmartList(configuration);

                  switch (configuration.getManifestGenerationMode()) {
                    case Manually:
                      {
                        PsiFile manifestFile =
                            findInModuleRoots(
                                facet.getModule(), configuration.getManifestLocation());
                        if (manifestFile != null) {
                          manifest = readManifest(manifestFile);
                          dependencies.add(manifestFile);
                        } else {
                          dependencies.add(PsiModificationTracker.MODIFICATION_COUNT);
                        }
                        break;
                      }

                    case OsmorcControlled:
                      {
                        Map<String, String> map =
                            ContainerUtil.newHashMap(configuration.getAdditionalPropertiesAsMap());
                        map.put(
                            Constants.BUNDLE_SYMBOLICNAME, configuration.getBundleSymbolicName());
                        map.put(Constants.BUNDLE_VERSION, configuration.getBundleVersion());
                        map.put(Constants.BUNDLE_ACTIVATOR, configuration.getBundleActivator());
                        manifest = new BundleManifest(map);
                        break;
                      }

                    case Bnd:
                      {
                        PsiFile bndFile =
                            findInModuleRoots(
                                facet.getModule(), configuration.getBndFileLocation());
                        if (bndFile != null) {
                          manifest = readProperties(bndFile);
                          dependencies.add(bndFile);
                        } else {
                          dependencies.add(PsiModificationTracker.MODIFICATION_COUNT);
                        }
                        break;
                      }

                    case Bundlor:
                      break; // not supported
                  }

                  return Result.create(manifest, dependencies);
                }
              },
              false);

      myCache.put(facet, value);
    }

    return value.getValue();
  }
  private TypeDescriptor doFindIn(
      final XmlTag[] tags,
      final String name,
      final String namespace,
      final Pair<QNameKey, XmlTag> pair,
      final XmlTag rootTag,
      final Set<XmlTag> visited) {
    for (final XmlTag tag : tags) {
      if (equalsToSchemaName(tag, "complexType")) {
        if (name == null) {
          CachedValue<TypeDescriptor> value = createAndPutTypesCachedValue(tag, pair);
          return value.getValue();
        }

        String nameAttribute = tag.getAttributeValue("name");

        if (isSameName(name, namespace, nameAttribute)) {
          CachedValue<TypeDescriptor> cachedValue = createAndPutTypesCachedValue(tag, pair);
          return cachedValue.getValue();
        }
      } else if (equalsToSchemaName(tag, "simpleType")) {

        if (name == null) {
          CachedValue<TypeDescriptor> value = createAndPutTypesCachedValueSimpleType(tag, pair);
          return value.getValue();
        }

        String nameAttribute = tag.getAttributeValue("name");

        if (isSameName(name, namespace, nameAttribute)) {
          CachedValue<TypeDescriptor> cachedValue = createAndPutTypesCachedValue(tag, pair);
          return cachedValue.getValue();
        }
      } else if (equalsToSchemaName(tag, INCLUDE_TAG_NAME)
          || (equalsToSchemaName(tag, IMPORT_TAG_NAME)
              && (namespace == null || !namespace.equals(getDefaultNamespace())))) {
        final String schemaLocation = tag.getAttributeValue("schemaLocation");
        if (schemaLocation != null) {
          final XmlFile xmlFile =
              XmlUtil.findNamespaceByLocation(rootTag.getContainingFile(), schemaLocation);

          if (xmlFile != null) {
            final XmlDocument document = xmlFile.getDocument();

            if (document != null) {

              final CachedValue<TypeDescriptor> value =
                  CachedValuesManager.getManager(tag.getProject())
                      .createCachedValue(
                          new CachedValueProvider<TypeDescriptor>() {
                            public Result<TypeDescriptor> compute() {
                              final String currentName = tag.getAttributeValue("name");

                              if ((currentName != null
                                      && !currentName.equals(
                                          XmlUtil.findLocalNameByQualifiedName(name)))
                                  || !xmlFile.isValid()
                                  || xmlFile.getDocument() == null) {
                                myTypesMap.remove(pair);
                                return new Result<TypeDescriptor>(null);
                              }

                              final XmlDocument document = xmlFile.getDocument();
                              final XmlNSDescriptorImpl nsDescriptor =
                                  findNSDescriptor(tag, document);

                              if (nsDescriptor == null) {
                                myTypesMap.remove(pair);
                                return new Result<TypeDescriptor>(null);
                              }

                              final XmlTag rTag = document.getRootTag();

                              final TypeDescriptor complexTypeDescriptor =
                                  nsDescriptor.findTypeDescriptorImpl(
                                      rTag, name, namespace, visited);
                              return new Result<TypeDescriptor>(complexTypeDescriptor, rTag);
                            }
                          },
                          false);

              if (value.getValue() != null) {
                myTypesMap.put(pair, value);
                return value.getValue();
              }
            }
          }
        }
      } else if (equalsToSchemaName(tag, REDEFINE_TAG_NAME)) {
        final XmlTag[] subTags = tag.getSubTags();
        TypeDescriptor descriptor = doFindIn(subTags, name, namespace, pair, rootTag, visited);
        if (descriptor != null) return descriptor;

        final XmlNSDescriptorImpl nsDescriptor = getRedefinedElementDescriptor(tag);
        if (nsDescriptor != null) {
          final XmlTag redefinedRootTag =
              ((XmlDocument) nsDescriptor.getDeclaration()).getRootTag();
          descriptor =
              doFindIn(
                  redefinedRootTag.getSubTags(), name, namespace, pair, redefinedRootTag, visited);
          if (descriptor != null) return descriptor;
        }
      }
    }
    return null;
  }
  @Nullable
  private XmlAttributeDescriptor getAttributeImpl(
      String localName, String namespace, Set<XmlTag> visited) {
    if (myTag == null) return null;

    XmlNSDescriptorImpl nsDescriptor = (XmlNSDescriptorImpl) myTag.getNSDescriptor(namespace, true);

    if (nsDescriptor != this && nsDescriptor != null) {
      return nsDescriptor.getAttributeImpl(localName, namespace, visited);
    }

    if (visited == null) visited = new HashSet<XmlTag>(1);
    else if (visited.contains(myTag)) return null;
    visited.add(myTag);
    XmlTag[] tags = myTag.getSubTags();

    for (XmlTag tag : tags) {
      if (equalsToSchemaName(tag, ATTRIBUTE_TAG_NAME)) {
        String name = tag.getAttributeValue("name");

        if (name != null) {
          if (checkElementNameEquivalence(localName, namespace, name, tag)) {
            return createAttributeDescriptor(tag);
          }
        }
      } else if (equalsToSchemaName(tag, INCLUDE_TAG_NAME)
          || (equalsToSchemaName(tag, IMPORT_TAG_NAME)
              && namespace.equals(tag.getAttributeValue("namespace")))) {
        final XmlAttribute schemaLocation = tag.getAttribute("schemaLocation", null);

        if (schemaLocation != null) {
          final XmlFile xmlFile =
              XmlUtil.findNamespaceByLocation(myTag.getContainingFile(), schemaLocation.getValue());

          if (xmlFile != null) {

            final XmlDocument includedDocument = xmlFile.getDocument();
            if (includedDocument != null) {
              final PsiMetaData data = includedDocument.getMetaData();

              if (data instanceof XmlNSDescriptorImpl) {
                final XmlAttributeDescriptor attributeDescriptor =
                    ((XmlNSDescriptorImpl) data).getAttributeImpl(localName, namespace, visited);

                if (attributeDescriptor != null) {
                  final CachedValue<XmlAttributeDescriptor> value =
                      CachedValuesManager.getManager(includedDocument.getProject())
                          .createCachedValue(
                              new CachedValueProvider<XmlAttributeDescriptor>() {
                                public Result<XmlAttributeDescriptor> compute() {
                                  return new Result<XmlAttributeDescriptor>(
                                      attributeDescriptor, attributeDescriptor.getDependences());
                                }
                              },
                              false);
                  return value.getValue();
                }
              }
            }
          }
        }
      }
    }

    return null;
  }
 private int createContext(File contextDir, String suffix) throws MavenServerIndexerException {
   String indexId = myDir.getName() + "-" + suffix;
   return myIndexer.createIndex(
       indexId, myId.getValue(), getRepositoryFile(), getRepositoryUrl(), contextDir);
 }
 public String getRepositoryId() {
   return myId.getValue();
 }