Java Ref.set方法代碼示例

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
private static void findValidSdkPath(@NotNull Ref<File> pathRef) {
  Sdk jdk = IdeSdks.getJdk();
  String jdkPath = jdk != null ? jdk.getHomePath() : null;
  SelectSdkDialog dialog = new SelectSdkDialog(jdkPath, null);
  dialog.setModal(true);
  if (!dialog.showAndGet()) {
    String msg = "An Android SDK is needed to continue. Would you like to try again?";
    if (Messages.showYesNoDialog(msg, ERROR_DIALOG_TITLE, null) == Messages.YES) {
      findValidSdkPath(pathRef);
    }
    return;
  }
  final File path = new File(dialog.getAndroidHome());
  if (!isValidAndroidSdkPath(path)) {
    String format = "The path\n'%1$s'\ndoes not refer to a valid Android SDK. Would you like to try again?";
    if (Messages.showYesNoDialog(String.format(format, path.getPath()), ERROR_DIALOG_TITLE, null) == Messages.YES) {
      findValidSdkPath(pathRef);
    }
    return;
  }
  pathRef.set(path);
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
@Override
public int getChildren(@NotNull final ASTNode astNode, @NotNull final Ref<ASTNode[]> into) {
  ASTNode child = astNode.getFirstChildNode();
  if (child == null) return 0;

  ASTNode[] store = into.get();
  if (store == null) {
    store = new ASTNode[10];
    into.set(store);
  }

  int count = 0;
  while (child != null) {
    if (count >= store.length) {
      ASTNode[] newStore = new ASTNode[count * 3 / 2];
      System.arraycopy(store, 0, newStore, 0, count);
      into.set(newStore);
      store = newStore;
    }
    store[count++] = child;
    child = child.getTreeNext();
  }

  return count;
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
@Override
protected boolean doSetupConfigFromContext(
    BlazeCommandRunConfiguration configuration,
    ConfigurationContext context,
    Ref<PsiElement> sourceElement) {
  PsiFile file = getMainFile(context);
  if (file == null) {
    return false;
  }
  TargetInfo binaryTarget = getTargetLabel(file);
  if (binaryTarget == null) {
    return false;
  }
  configuration.setTargetInfo(binaryTarget);
  sourceElement.set(file);

  BlazeCommandRunConfigurationCommonState handlerState =
      configuration.getHandlerStateIfType(BlazeCommandRunConfigurationCommonState.class);
  if (handlerState == null) {
    return false;
  }
  handlerState.getCommandState().setCommand(BlazeCommandName.RUN);
  configuration.setGeneratedName();
  return true;
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
private static boolean isInstrumented(JpsModule m, final String classPath) {
  File file = new File(JpsJavaExtensionService.getInstance().getOutputDirectory(m, false), classPath);
  assertTrue(file.getAbsolutePath() + " not found", file.exists());

  final Ref<Boolean> instrumented = Ref.create(false);
  ClassVisitor visitor = new ClassVisitor(Opcodes.ASM5) {
    @Override
    public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
      if (name.equals("$$$setupUI$$$")) {
        instrumented.set(true);
      }
      return null;
    }
  };
  try {
    ClassReader reader = new ClassReader(FileUtil.loadFileBytes(file));
    reader.accept(visitor, 0);
    return instrumented.get();
  }
  catch (IOException e) {
    throw new RuntimeException(e);
  }
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
@NotNull
private static List<AndroidFacet> getAllAndroidDependencies(@NotNull Module module,
                                                            boolean androidLibrariesOnly,
                                                            Ref<List<WeakReference<AndroidFacet>>> listRef) {
  List<WeakReference<AndroidFacet>> refs = listRef.get();

  if (refs == null) {
    final List<AndroidFacet> facets = new ArrayList<AndroidFacet>();
    collectAllAndroidDependencies(module, androidLibrariesOnly, facets, new HashSet<AndroidFacet>());

    refs = ContainerUtil.map(ContainerUtil.reverse(facets), new Function<AndroidFacet, WeakReference<AndroidFacet>>() {
      @Override
      public WeakReference<AndroidFacet> fun(AndroidFacet facet) {
        return new WeakReference<AndroidFacet>(facet);
      }
    });
    listRef.set(refs);
  }
  return dereference(refs);
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
private static boolean dirExists(@NotNull final SvnVcs vcs, @NotNull final SVNURL url) throws SvnBindException {
  final Ref<SvnBindException> excRef = new Ref<SvnBindException>();
  final Ref<Boolean> resultRef = new Ref<Boolean>(Boolean.TRUE);

  final Runnable taskImpl = new Runnable() {
    public void run() {
      try {
        vcs.getInfo(url, SVNRevision.HEAD);
      }
      catch (SvnBindException e) {
        if (e.contains(SVNErrorCode.RA_ILLEGAL_URL)) {
          resultRef.set(Boolean.FALSE);
        }
        else {
          excRef.set(e);
        }
      }
    }
  };

  final Application application = ApplicationManager.getApplication();
  if (application.isDispatchThread()) {
    ProgressManager.getInstance().runProcessWithProgressSynchronously(taskImpl, "Checking target folder", true, vcs.getProject());
  }
  else {
    taskImpl.run();
  }
  if (!excRef.isNull()) throw excRef.get();
  return resultRef.get();
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
public void test_rollback_of_checkout_branch_as_new_branch_should_delete_branches() {
  branchWithCommit(myRepositories, "feature");
  touch("feature.txt", "feature_content");
  git("add feature.txt");
  git("commit -m feature_changes");
  git("checkout master");

  unmergedFiles(myCommunity);

  final Ref<Boolean> rollbackProposed = Ref.create(false);
  GitBranchWorker brancher = new GitBranchWorker(myProject, myPlatformFacade, myGit, new TestUiHandler() {
    @Override
    public boolean showUnmergedFilesMessageWithRollback(@NotNull String operationName, @NotNull String rollbackProposal) {
      rollbackProposed.set(true);
      return true;
    }
  });
  brancher.checkoutNewBranchStartingFrom("newBranch", "feature", myRepositories);

  assertTrue("Rollback was not proposed if unmerged files prevented checkout in the second repository", rollbackProposed.get());
  assertCurrentBranch("master");
  for (GitRepository repository : myRepositories) {
    assertFalse("Branch 'newBranch' should have been deleted on rollback",
                ContainerUtil.exists(git(repository, "branch").split("\n"), new Condition<String>() {
                  @Override
                  public boolean value(String s) {
                    return s.contains("newBranch");
                  }
                }));
  }
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
/**
 * Resolves a CssClass PSI element given a CSS filename and class name
 *
 * @param cssFileNameLiteralParent element which contains a require'd style sheet file
 * @param cssClass                 the CSS class to get including the "."
 * @param referencedStyleSheet     ref to set to the style sheet that any matching CSS class is declared in
 * @return the matching CSS class, or <code>null</code> in case the class is unknown
 */
public static CssClass getCssClass(PsiElement cssFileNameLiteralParent, String cssClass, Ref<StylesheetFile> referencedStyleSheet) {
    StylesheetFile stylesheetFile = resolveStyleSheetFile(cssFileNameLiteralParent);
    if (stylesheetFile != null) {
        referencedStyleSheet.set(stylesheetFile);
        return getCssClass(stylesheetFile, cssClass);
    } else {
        referencedStyleSheet.set(null);
        return null;
    }
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
/**
 * Gets the style sheet, if any, that the specified element resolves to
 *
 * @param element           element used to resolve
 * @param stylesheetFileRef the ref to set the resolved sheet on
 * @return true if the element resolves to a style sheet file, false otherwise
 */
private static boolean resolveStyleSheetFile(PsiElement element, Ref<StylesheetFile> stylesheetFileRef) {
    for (PsiReference reference : element.getReferences()) {
        final PsiElement fileReference = reference.resolve();
        if (fileReference instanceof StylesheetFile) {
            stylesheetFileRef.set((StylesheetFile) fileReference);
            return true;
        }
    }
    return false;
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
private static String buildOneLineMismatchDescription(@NotNull PsiExpressionList list,
                                                      @NotNull MethodCandidateInfo candidateInfo,
                                                      @NotNull Ref<PsiElement> elementToHighlight) {
  final PsiExpression[] expressions = list.getExpressions();
  final PsiMethod resolvedMethod = candidateInfo.getElement();
  final PsiSubstitutor substitutor = candidateInfo.getSubstitutor();
  final PsiParameter[] parameters = resolvedMethod.getParameterList().getParameters();
  if (expressions.length == parameters.length && parameters.length > 1) {
    int idx = -1;
    for (int i = 0; i < expressions.length; i++) {
      PsiExpression expression = expressions[i];
      if (!TypeConversionUtil.areTypesAssignmentCompatible(substitutor.substitute(parameters[i].getType()), expression)) {
        if (idx != -1) {
          idx = -1;
          break;
        }
        else {
          idx = i;
        }
      }
    }

    if (idx > -1) {
      final PsiExpression wrongArg = expressions[idx];
      final PsiType argType = wrongArg.getType();
      if (argType != null) {
        elementToHighlight.set(wrongArg);
        final String message = JavaErrorMessages
          .message("incompatible.call.types", idx + 1, substitutor.substitute(parameters[idx].getType()).getCanonicalText(), argType.getCanonicalText());

        return XmlStringUtil.wrapInHtml("<body>" + XmlStringUtil.escapeString(message) +
                                        " <a href=\"#assignment/" + XmlStringUtil.escapeString(createMismatchedArgumentsHtmlTooltip(candidateInfo, list)) + "\"" +
                                        (UIUtil.isUnderDarcula() ? " color=\"7AB4C9\" " : "") +
                                        ">" + DaemonBundle.message("inspection.extended.description") + "</a></body>");
      }
    }
  }
  return null;
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
@Override
protected boolean doSetupConfigFromContext(
    BlazeCommandRunConfiguration configuration,
    ConfigurationContext context,
    Ref<PsiElement> sourceElement) {
  TestLocation location = getSingleJUnitTestClass(context);
  if (location == null) {
    return false;
  }
  sourceElement.set(location.testClass);
  configuration.setTargetInfo(location.blazeTarget);

  BlazeCommandRunConfigurationCommonState handlerState =
      configuration.getHandlerStateIfType(BlazeCommandRunConfigurationCommonState.class);
  if (handlerState == null) {
    return false;
  }
  String testFilter = getTestFilter(location.testClass);
  if (testFilter == null) {
    return false;
  }
  handlerState.getCommandState().setCommand(BlazeCommandName.TEST);

  // remove old test filter flag if present
  List<String> flags = new ArrayList<>(handlerState.getBlazeFlagsState().getRawFlags());
  flags.removeIf((flag) -> flag.startsWith(BlazeFlags.TEST_FILTER));
  flags.add(BlazeFlags.TEST_FILTER + "=" + testFilter);
  handlerState.getBlazeFlagsState().setRawFlags(flags);

  String name =
      new BlazeConfigurationNameBuilder(configuration)
          .setTargetString(location.testClass.getName())
          .build();
  configuration.setName(name);
  configuration.setNameChangedByUser(true); // don't revert to generated name
  return true;
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
@Override
protected boolean doSetupConfigFromContext(
    BlazeCommandRunConfiguration configuration,
    ConfigurationContext context,
    Ref<PsiElement> sourceElement) {
  TestLocation testLocation = testLocation(context);
  if (testLocation == null) {
    return false;
  }
  configuration.setTargetInfo(testLocation.target);
  sourceElement.set(testLocation.sourceElement());
  BlazeCommandRunConfigurationCommonState handlerState =
      configuration.getHandlerStateIfType(BlazeCommandRunConfigurationCommonState.class);
  if (handlerState == null) {
    return false;
  }
  handlerState.getCommandState().setCommand(BlazeCommandName.TEST);

  // remove conflicting flags from initial configuration
  List<String> flags = new ArrayList<>(handlerState.getBlazeFlagsState().getRawFlags());
  flags.removeIf((flag) -> flag.startsWith(BlazeFlags.TEST_FILTER));
  String testFilter = testLocation.testFilter();
  if (testFilter != null) {
    flags.add(testFilter);
  }
  handlerState.getBlazeFlagsState().setRawFlags(flags);

  BlazeConfigurationNameBuilder nameBuilder = new BlazeConfigurationNameBuilder(configuration);
  nameBuilder.setTargetString(testLocation.targetString());
  configuration.setName(nameBuilder.build());
  configuration.setNameChangedByUser(true); // don't revert to generated name
  return true;
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
@Override
protected boolean preprocessUsages(@NotNull Ref<UsageInfo[]> refUsages) {
  MultiMap<PsiElement, String> conflictDescriptions = new MultiMap<PsiElement, String>();
  for (ChangeSignatureUsageProcessor usageProcessor : ChangeSignatureUsageProcessor.EP_NAME.getExtensions()) {
    final MultiMap<PsiElement, String> conflicts = usageProcessor.findConflicts(myChangeInfo, refUsages);
    for (PsiElement key : conflicts.keySet()) {
      Collection<String> collection = conflictDescriptions.get(key);
      if (collection.isEmpty()) collection = new HashSet<String>();
      collection.addAll(conflicts.get(key));
      conflictDescriptions.put(key, collection);
    }
  }

  final UsageInfo[] usagesIn = refUsages.get();
  RenameUtil.addConflictDescriptions(usagesIn, conflictDescriptions);
  Set<UsageInfo> usagesSet = new HashSet<UsageInfo>(Arrays.asList(usagesIn));
  RenameUtil.removeConflictUsages(usagesSet);
  if (!conflictDescriptions.isEmpty()) {
    if (ApplicationManager.getApplication().isUnitTestMode()) {
      throw new ConflictsInTestsException(conflictDescriptions.values());
    }

    ConflictsDialog dialog = prepareConflictsDialog(conflictDescriptions, usagesIn);
    if (!dialog.showAndGet()) {
      if (dialog.isShowConflicts()) prepareSuccessful();
      return false;
    }
  }
  refUsages.set(usagesSet.toArray(new UsageInfo[usagesSet.size()]));
  prepareSuccessful();
  return true;
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
@Override
public <T extends PsiElement> T show(@NotNull String errorTitle, @Nullable String selectedTemplateName,
                                     @NotNull final FileCreator<T> creator) {
  final Ref<T> created = Ref.create(null);
  myDialog.getKindCombo().setSelectedName(selectedTemplateName);
  myDialog.myCreator = new ElementCreator(myProject, errorTitle) {

    @Override
    protected PsiElement[] create(String newName) throws Exception {
      final T element = creator.createFile(myDialog.getEnteredName(), myDialog.getKindCombo().getSelectedName());
      created.set(element);
      if (element != null) {
        return new PsiElement[]{element};
      }
      return PsiElement.EMPTY_ARRAY;
    }

    @Override
    protected String getActionName(String newName) {
      return creator.getActionName(newName, myDialog.getKindCombo().getSelectedName());
    }
  };

  myDialog.show();
  if (myDialog.getExitCode() == OK_EXIT_CODE) {
    return created.get();
  }
  return null;
}
 

import com.intellij.openapi.util.Ref; //導入方法依賴的package包/類
@Override
protected boolean doSetupConfigFromContext(
    BlazeCommandRunConfiguration configuration,
    ConfigurationContext context,
    Ref<PsiElement> sourceElement) {
  AbstractTestLocation location = getAbstractLocation(context);
  if (location == null) {
    return false;
  }
  sourceElement.set(location.method != null ? location.method : location.abstractClass);
  configuration.setName(configName(location.abstractClass, location.method));
  configuration.setNameChangedByUser(true);
  return true;
}