Esempio n. 1
0
  public synchronized void addToDirectory(PseudoPath dir, FSImage child) {
    if (!getType(dir).equals(FileType.DIR.getName())) {
      throw new IllegalArgumentException("Can add files only to directories.");
    }
    Element parent = getElement(dir);
    Element newChild = new Element(child.fileTree);

    String nameOfChildRoot = child.fileTree.getAttributeValue("name");
    PseudoPath pathToChild = dir.resolve(nameOfChildRoot);
    Element oldChild = getElement(pathToChild);
    if (oldChild != null) {
      parent.replaceChild(oldChild, newChild);
    } else {
      parent.appendChild(newChild);
    }
  }