Java Code Examples for com.intellij.openapi.vfs.VirtualFile#is()

private static Optional<VirtualFile> findBsPlatformPathForConfigFile(@NotNull VirtualFile bsConfigFile) {
    VirtualFile parentDir = bsConfigFile.getParent();
    VirtualFile bsPlatform = parentDir.findFileByRelativePath("node_modules/" + BS_PLATFORM_DIRECTORY_NAME);
    if (bsPlatform == null) {
        VirtualFile bsbBinary = parentDir.findFileByRelativePath("node_modules/.bin/bsb"); // In case of mono-repo, only the .bin with symlinks is found
        if (bsbBinary != null && bsbBinary.is(VFileProperty.SYMLINK)) {
            VirtualFile canonicalFile = bsbBinary.getCanonicalFile();
            if (canonicalFile != null) {
                VirtualFile canonicalBsPlatformDirectory = canonicalFile.getParent();
                while (canonicalBsPlatformDirectory != null && !canonicalBsPlatformDirectory.getName().equals(BS_PLATFORM_DIRECTORY_NAME)) {
                    canonicalBsPlatformDirectory = canonicalBsPlatformDirectory.getParent();
                }
                return Optional.ofNullable(canonicalBsPlatformDirectory);
            }
        }
    }

    return Optional.ofNullable(bsPlatform).filter(VirtualFile::isDirectory);
}
 

@Nullable
public static Image patchIcon(@Nonnull Project project, @Nullable Image original, @Nullable VirtualFile file) {
  if (file == null || original == null) return original;

  IconDescriptor iconDescriptor = new IconDescriptor(original);

  final Bookmark bookmarkAtFile = BookmarkManager.getInstance(project).findFileBookmark(file);
  if (bookmarkAtFile != null) {
    iconDescriptor.setRightIcon(bookmarkAtFile.getIcon());
  }

  if (!file.isWritable()) {
    iconDescriptor.addLayerIcon(AllIcons.Nodes.Locked);
  }

  if (file.is(VFileProperty.SYMLINK)) {
    iconDescriptor.addLayerIcon(AllIcons.Nodes.Symlink);
  }

  return iconDescriptor.toIcon();
}
 

@RequiredReadAction
@Override
public void updateIcon(@Nonnull IconDescriptor iconDescriptor, @Nonnull PsiElement element, int flags) {
  if (element instanceof PsiFile) {
    if (iconDescriptor.getMainIcon() == null) {
      FileType fileType = ((PsiFile)element).getFileType();
      iconDescriptor.setMainIcon(fileType.getIcon());
    }

    VirtualFile virtualFile = ((PsiFile)element).getVirtualFile();
    if (virtualFile != null && virtualFile.is(VFileProperty.SYMLINK)) {
      iconDescriptor.addLayerIcon(AllIcons.Nodes.Symlink);
    }
  }
  else {
    Image languageElementIcon = LanguageElementIcons.INSTANCE.forLanguage(element.getLanguage());
    if (languageElementIcon == null) {
      return;
    }

    iconDescriptor.addLayerIcon(languageElementIcon);
  }
}
 

@Nonnull
protected PsiFile createFile(@Nonnull VirtualFile file, @Nonnull FileType fileType, @Nonnull Language language) {
  if (fileType.isBinary() || file.is(VFileProperty.SPECIAL)) {
    return SingleRootFileViewProvider.isTooLargeForContentLoading(file) ? new PsiLargeBinaryFileImpl((PsiManagerImpl)getManager(), this) : new PsiBinaryFileImpl((PsiManagerImpl)getManager(), this);
  }
  if (!SingleRootFileViewProvider.isTooLargeForIntelligence(file)) {
    final PsiFile psiFile = createFile(language);
    if (psiFile != null) return psiFile;
  }

  if (SingleRootFileViewProvider.isTooLargeForContentLoading(file)) {
    return new PsiLargeTextFileImpl(this);
  }

  return new PsiPlainTextFileImpl(this);
}
 

@Override
protected void updateImpl(PresentationData data) {
  PsiFile value = getValue();
  data.setPresentableText(value.getName());
  data.setIcon(IconDescriptorUpdaters.getIcon(value, Iconable.ICON_FLAG_READ_STATUS));

  VirtualFile file = getVirtualFile();
  if (file != null && file.is(VFileProperty.SYMLINK)) {
    String target = file.getCanonicalPath();
    if (target == null) {
      data.setAttributesKey(CodeInsightColors.WRONG_REFERENCES_ATTRIBUTES);
      data.setTooltip(CommonBundle.message("vfs.broken.link"));
    }
    else {
      data.setTooltip(FileUtil.toSystemDependentName(target));
    }
  }
}
 

/**
 * Defines whether file can be chosen or not
 */
@RequiredUIAccess
public boolean isFileSelectable(VirtualFile file) {
  if (file == null) return false;

  if (file.is(VFileProperty.SYMLINK) && file.getCanonicalPath() == null) {
    return false;
  }
  if (file.isDirectory() && myChooseFolders) {
    return true;
  }

  if (myFileFilter != null && !file.isDirectory()) {
    return myFileFilter.value(file);
  }

  return acceptAsJarFile(file) || acceptAsGeneralFile(file);
}
 

/**
 * Defines whether file is visible in the tree
 */
public boolean isFileVisible(VirtualFile file, boolean showHiddenFiles) {
  if (file.is(VFileProperty.SYMLINK) && file.getCanonicalPath() == null) {
    return false;
  }

  if (!file.isDirectory()) {
    if (FileElement.isArchive(file)) {
      if (!myChooseJars && !myChooseJarContents) {
        return false;
      }
    }
    else if (!myChooseFiles) {
      return false;
    }

    if (myFileFilter != null && !myFileFilter.value(file)) {
      return false;
    }
  }

  if (isHideIgnored() && FileTypeManager.getInstance().isFileIgnored(file)) {
    return false;
  }

  if (!showHiddenFiles && FileElement.isFileHidden(file)) {
    return false;
  }

  return true;
}
 

private static boolean isDetectable(@Nonnull final VirtualFile file) {
  if (file.isDirectory() || !file.isValid() || file.is(VFileProperty.SPECIAL) || file.getLength() == 0) {
    // for empty file there is still hope its type will change
    return false;
  }
  return file.getFileSystem() instanceof FileSystemInterface;
}
 

@Nonnull
private static Path fixCaseIfNeeded(@Nonnull Path path, @Nonnull VirtualFile file) throws IOException {
  if (SystemInfo.isFileSystemCaseSensitive) return path;
  // Mac: toRealPath() will return the current file's name w.r.t. case
  // Win: toRealPath(LinkOption.NOFOLLOW_LINKS) will return the current file's name w.r.t. case
  return file.is(VFileProperty.SYMLINK) ? path.toRealPath(LinkOption.NOFOLLOW_LINKS) : path.toRealPath();
}
 

public static boolean canNavigate (PsiElement element) {
  if (element == null || !element.isValid()) {
    return false;
  }

  VirtualFile file = PsiUtilCore.getVirtualFile(element.getNavigationElement());
  return file != null && file.isValid() && !file.is(VFileProperty.SPECIAL) && !VfsUtilCore.isBrokenLink(file);
}
 

@Override
public void actionPerformed(AnActionEvent e) {
  Project project = getEventProject(e);
  VirtualFile file = e.getDataContext().getData(CommonDataKeys.VIRTUAL_FILE);
  if (project != null && file != null && file.is(VFileProperty.SYMLINK)) {
    VirtualFile target = file.getCanonicalFile();
    if (target != null) {
      PsiManager psiManager = PsiManager.getInstance(project);
      PsiFileSystemItem psiFile = target.isDirectory() ? psiManager.findDirectory(target) : psiManager.findFile(target);
      if (psiFile != null) {
        ProjectView.getInstance(project).select(psiFile, target, false);
      }
    }
  }
}
 

static Object expandDirsWithJustOneSubdir(Object target) {
  if (target instanceof PsiElement && !((PsiElement)target).isValid()) return target;
  if (target instanceof PsiDirectory) {
    PsiDirectory directory = (PsiDirectory)target;
    for (VirtualFile file = directory.getVirtualFile(), next; ; file = next) {
      VirtualFile[] children = file.getChildren();
      VirtualFile child = children.length == 1 ? children[0] : null;
      //noinspection AssignmentToForLoopParameter
      next = child != null && child.isDirectory() && !child.is(VFileProperty.SYMLINK) ? child : null;
      if (next == null) return ObjectUtils.notNull(directory.getManager().findDirectory(file), directory);
    }
  }
  return target;
}
 

private static VirtualFile findMetadataFile(VirtualFile root, String metadataFileName) {
  if (!root.is(VFileProperty.SYMLINK)) {
    //noinspection UnsafeVfsRecursion
    for (VirtualFile child : asList(root.getChildren())) {
      if (child.getName().equals(metadataFileName)) {
        return child;
      }
      VirtualFile matchedFile = findMetadataFile(child, metadataFileName);
      if (matchedFile != null) {
        return matchedFile;
      }
    }
  }
  return null;
}
 

public static boolean isFileHidden(@Nullable VirtualFile file) {
  return file != null &&
         file.isValid() &&
         file.isInLocalFileSystem() &&
         (file.is(VFileProperty.HIDDEN) || SystemInfo.isUnix && file.getName().startsWith("."));
}
 

private static boolean isValidFile(@Nonnull VirtualFile file) {
  return file.isValid() && !file.isDirectory() && !file.is(VFileProperty.SPECIAL) && !VfsUtilCore.isBrokenLink(file);
}
 

@Nonnull
public static FileStatus getDefaultStatus(@Nonnull final VirtualFile file) {
  return file.isValid() && file.is(VFileProperty.SPECIAL) ? FileStatus.IGNORED : FileStatus.NOT_CHANGED;
}
 

public static boolean isSymLink(@Nonnull final PsiFileSystemItem element) {
  final VirtualFile virtualFile = element.getVirtualFile();
  return virtualFile != null && virtualFile.is(VFileProperty.SYMLINK);
}
 

public static Boolean isSharable(VirtualFile virtualFile) {
    return (virtualFile != null  && virtualFile.isValid() && virtualFile.isInLocalFileSystem() && !virtualFile.is(VFileProperty.SPECIAL) && !virtualFile.is(VFileProperty.SYMLINK));
}
 

private static Icon dressIcon(final VirtualFile file, final Icon baseIcon) {
    return file.isValid() && file.is(VFileProperty.SYMLINK) ? new LayeredIcon(baseIcon, PlatformIcons.SYMLINK_ICON) : baseIcon;
}
 

@RequiredReadAction
@Override
public void updateIcon(@Nonnull IconDescriptor iconDescriptor, @Nonnull PsiElement element, int flags) {
  if (element instanceof PsiDirectory) {
    PsiDirectory psiDirectory = (PsiDirectory)element;
    VirtualFile virtualFile = psiDirectory.getVirtualFile();

    Image symbolIcon;
    if (virtualFile.getFileSystem() instanceof ArchiveFileSystem) {
      if (virtualFile.getParent() == null) {
        symbolIcon = AllIcons.Nodes.PpJar;
      }
      else {
        PsiPackage psiPackage = myPsiPackageManager.findAnyPackage(virtualFile);
        symbolIcon = psiPackage != null ? AllIcons.Nodes.Package : AllIcons.Nodes.TreeClosed;
      }
    }
    else if (ProjectRootsUtil.isModuleContentRoot(myProjectFileIndex, virtualFile)) {
      symbolIcon = AllIcons.Nodes.Module;
    }
    else {
      boolean ignored = myProjectRootManager.getFileIndex().isExcluded(virtualFile);
      if (ignored) {
        symbolIcon = AllIcons.Modules.ExcludeRoot;
      }
      else {
        ContentFolder contentFolder = ProjectRootsUtil.findContentFolderForDirectory(myProjectFileIndex, virtualFile);
        if (contentFolder != null) {
          symbolIcon = contentFolder.getType().getIcon(contentFolder.getProperties());
        }
        else {
          ContentFolderTypeProvider contentFolderTypeForFile = myProjectFileIndex.getContentFolderTypeForFile(virtualFile);
          symbolIcon = contentFolderTypeForFile != null ? contentFolderTypeForFile.getChildDirectoryIcon(psiDirectory, myPsiPackageManager) : AllIcons.Nodes.TreeClosed;
        }
      }
    }

    if (symbolIcon != null) {
      iconDescriptor.setMainIcon(symbolIcon);
    }

    if (virtualFile.is(VFileProperty.SYMLINK)) {
      iconDescriptor.addLayerIcon(AllIcons.Nodes.Symlink);
    }
  }
  else if (element instanceof PsiPackage) {
    iconDescriptor.setMainIcon(AllIcons.Nodes.Package);
  }
}