AbstractTreeContentProvider.java

/*
 * Copyright 2010 The Rabbit Eclipse Plug-in Project
 * 
 * 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.
 */
package rabbit.ui.internal;

import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;

/**
 * Default implementation of {@link ITreeContentProvider}.
 */
public abstract class AbstractTreeContentProvider implements
    ITreeContentProvider {

  protected static final Object[] EMPTY_ARRAY = new Object[0];

  @Override
  public void dispose() {
  }

  @Override
  public Object getParent(Object element) {
    return null;
  }

  @Override
  public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  }

}