content: /*
   * Created on May 31, 2009
   * 
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
   * the License. You may obtain a copy of the License at
   * 
   * http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
   * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
   * specific language governing permissions and limitations under the License.
   * 
   * Copyright @2009-2013 the original author or authors.
   */
  package org.fest.swing.core;
  
  import java.awt.Container;
  import java.util.Collection;
  
  import javax.annotation.Nonnull;
  
  import org.fest.swing.hierarchy.ExistingHierarchy;
  
  /**
   * Obtains all the root AWT and Swing {@code Container}s of an {@link ExistingHierarchy}.
   * 
   * @author Alex Ruiz
   */
  class HierarchyRootsSource {
    @Nonnull Container[] existingHierarchyRoots() {
      Collection<? extends Container> roots = new ExistingHierarchy().roots();
      return roots.toArray(new Container[roots.size()]);
    }
  }
  