content: package org.opencyc.util;
  
  import java.util.StringTokenizer;
  
  /**
   * Implements an ordered pair, two associated <code>Object</code>s.<p>
   *
   * @version $Id: Pair.java 138070 2012-01-10 19:46:08Z sbrown $
   * @author Bjorn Aldag
   *
   * <p>Copyright 2001 Cycorp, Inc., license is open source GNU LGPL.
   * <p><a href="http://www.opencyc.org/license.txt">the license</a>
   * <p><a href="http://www.opencyc.org">www.opencyc.org</a>
   * <p><a href="http://www.sourceforge.net/projects/opencyc">OpenCyc at SourceForge</a>
   * <p>
   * THIS SOFTWARE AND KNOWLEDGE BASE CONTENT ARE PROVIDED ``AS IS'' AND
   * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
   * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OPENCYC
   * ORGANIZATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE AND KNOWLEDGE
   * BASE CONTENT, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  public class Pair extends AbstractPair{
  
    /**
     * Constructs a new Pair object.
     */
    public Pair(){
      }
  
    /**
     * Constructs a new Pair object given two components.
     *
     * @param component1 the first component of the Pair
     * @param component2 the second component of the Pair
     */
    public Pair(Object component1, Object component2) {super(component1, component2);}
  
    /**
     * Returns a <code>Pair</code> representation of a <code>String</code>.
     *
     * @param pairString the string to be parsed into a Pair object
     * @return a <coe>Pair</code> representation of a <code>String</code>.
     * @throws DataFormatException when the given string is not parsable to a
     *         <code>Pair</code>
     */
    public static Pair parsePair(String pairString) {
      StringTokenizer components = new StringTokenizer(pairString, separators);
      return new Pair(components.nextToken(), components.nextToken());
      }
  }
  