Java Code Examples for org.eclipse.core.resources.IContainer#accept()

private void setSubElementsGrayedChecked(final IContainer container, final boolean checked) {

      final List<IContainer> subContainers = new ArrayList<>();

      try {
        container.accept(new IResourceVisitor() {
          @Override
          public boolean visit(IResource resource) {
            if (!resource.equals(container) && resource instanceof IContainer) {
              subContainers.add((IContainer) resource);
            }
            return true;
          }
        });
      } catch (CoreException e) {
        CheckstyleUIPlugin.errorDialog(getShell(), e, true);
      }

      for (IContainer grayedChild : subContainers) {
        mViewer.setGrayChecked(grayedChild, checked);
      }
    }
 

/**
 * Returns a list of WEB-INF folders in {@code container}.
 */
@VisibleForTesting
static List<IFolder> findAllWebInfFolders(IContainer container) {
  final List<IFolder> webInfFolders = new ArrayList<>();

  try {
    IResourceVisitor webInfCollector = new IResourceVisitor() {
      @Override
      public boolean visit(IResource resource) throws CoreException {
        if (resource.getType() == IResource.FOLDER && "WEB-INF".equals(resource.getName())) {
          webInfFolders.add((IFolder) resource);
          return false;  // No need to visit sub-directories.
        }
        return true;
      }
    };
    container.accept(webInfCollector);
  } catch (CoreException ex) {
    // Our attempt to find folders failed, but don't error out.
  }
  return webInfFolders;
}
 

/**
 * @since 2.4
 */
@Override
public Map<URI, IStorage> getAllEntries(IContainer container) {
	final Map<URI,IStorage> result = newLinkedHashMap();
	try {
		container.accept(new IResourceVisitor() {
			@Override
			public boolean visit(IResource resource) throws CoreException {
				if (resource instanceof IFile) {
					final IFile storage = (IFile) resource;
					URI uri = getUri(storage);
					if (uri != null)
						result.put(uri, storage);
				}
				if (resource instanceof IFolder) {
					return isHandled((IFolder)resource);
				}
				return true;
			}
		});
	} catch (CoreException e) {
		log.error(e.getMessage(), e);
	}
	return result;
}
 

/**
 * Finds all GWT modules located directly in a particular container.
 *
 * @param container container to search within
 * @return the list of modules found
 */
public static IModule[] findChildModules(IContainer container) {
  final List<IModule> modules = new ArrayList<IModule>();

  IResourceVisitor moduleVisitor = new IResourceVisitor() {
    @Override
    public boolean visit(IResource resource) throws CoreException {
      if (resource.getType() == IResource.FILE) {
        IModule module = create((IFile) resource);
        if (module != null) {
          modules.add(module);
        }
      }
      return true;
    }
  };

  try {
    container.accept(moduleVisitor, IResource.DEPTH_ONE, false);
  } catch (CoreException e) {
    GWTPluginLog.logError(e);
  }

  return modules.toArray(new IModule[modules.size()]);
}
 

/**
 * @return All the IFiles below the current folder that are python files (does not check if it has an __init__ path)
 */
public static List<IFile> getAllIFilesBelow(IContainer member) {
    final ArrayList<IFile> ret = new ArrayList<IFile>();
    try {
        member.accept(new IResourceVisitor() {

            @Override
            public boolean visit(IResource resource) {
                if (resource instanceof IFile) {
                    ret.add((IFile) resource);
                    return false; //has no members
                }
                return true;
            }

        });
    } catch (CoreException e) {
        throw new RuntimeException(e);
    }
    return ret;
}
 

protected Iterable<IFile> collectFiles(IContainer parent, IFile currentFile) {
    final FileVisitor visitor = new FileVisitor(currentFile, fileContentType);

    try {
        parent.accept(visitor, 0);
    } catch (CoreException e) {
        return Arrays.asList();
    }
    return visitor.getFiles();
}