/*******************************************************************************
 * Copyright (c) 2008, 2015 Innoopract Informationssysteme GmbH and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Innoopract Informationssysteme GmbH - initial API and implementation
 *    EclipseSource - ongoing development
 ******************************************************************************/
package org.eclipse.rap.rwt.internal.theme.css;

import org.w3c.css.sac.Selector;
import org.w3c.css.sac.SiblingSelector;
import org.w3c.css.sac.SimpleSelector;


public class NullSiblingSelector implements SiblingSelector, SelectorExt {

  @Override
  public Selector getSelector() {
    return null;
  }

  @Override
  public SimpleSelector getSiblingSelector() {
    return null;
  }

  @Override
  public short getSelectorType() {
    return SAC_DIRECT_ADJACENT_SELECTOR;
  }

  @Override
  public short getNodeType() {
    return ANY_NODE;
  }

  @Override
  public String getElementName() {
    return null;
  }

  @Override
  public int getSpecificity() {
    return 0;
  }

  @Override
  public String[] getConstraints() {
    throw new UnsupportedOperationException();
  }

  @Override
  public String toString() {
    return "null selector";
  }

}