content: /*
  * Conditions Of Use
  *
  * This software was developed by employees of the National Institute of
  * Standards and Technology (NIST), an agency of the Federal Government.
  * Pursuant to title 15 Untied States Code Section 105, works of NIST
  * employees are not subject to copyright protection in the United States
  * and are considered to be in the public domain.  As a result, a formal
  * license is not needed to use the software.
  *
  * This software is provided by NIST as a service and is expressly
  * provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
  * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
  * AND DATA ACCURACY.  NIST does not warrant or make any representations
  * regarding the use of the software or the results thereof, including but
  * not limited to the correctness, accuracy, reliability or usefulness of
  * the software.
  *
  * Permission to use this software is contingent upon your acceptance
  * of the terms of this agreement
  *
  * .
  *
  */
  /*******************************************************************************
  * Product of NIST/ITL Advanced Networking Technologies Division (ANTD).        *
  *******************************************************************************/
  package gov2.nist.javax2.sip.header;
  
  import javax2.sip.header.*;
  
  import java.text.ParseException;
  
  /**
   * InReplyTo SIP Header.
   *
   * @version 1.2 $Revision: 1.6 $ $Date: 2009/07/17 18:57:31 $
   *
   * @author M. Ranganathan   <br/>
   * @author Olivier Deruelle <br/>
   *
   *
   */
  public class InReplyTo extends SIPHeader implements InReplyToHeader {
  
      /**
       * Comment for <code>serialVersionUID</code>
       */
      private static final long serialVersionUID = 1682602905733508890L;
  
      protected CallIdentifier callId;
  
      /** Default constructor
       */
      public InReplyTo() {
          super(IN_REPLY_TO);
      }
  
      /** constructor
       * @param cid CallIdentifier to set
       */
      public InReplyTo(CallIdentifier cid) {
          super(IN_REPLY_TO);
          callId = cid;
      }
  
      /**
       * Sets the Call-Id of the InReplyToHeader. The CallId parameter uniquely
       * identifies a serious of messages within a dialogue.
       *
       * @param callId - the string value of the Call-Id of this InReplyToHeader.
       * @throws ParseException which signals that an error has been reached
       * unexpectedly while parsing the callId value.
       */
      public void setCallId(String callId) throws ParseException {
          try {
              this.callId = new CallIdentifier(callId);
          } catch (Exception e) {
              throw new ParseException(e.getMessage(), 0);
          }
      }
  
      /**
       * Returns the Call-Id of InReplyToHeader. The CallId parameter uniquely
       * identifies a series of messages within a dialogue.
       *
       * @return the String value of the Call-Id of this InReplyToHeader
       */
      public String getCallId() {
          if (callId == null)
              return null;
          return callId.encode();
      }
  
      /**
           * Generate canonical form of the header.
           * @return String
           */
      public String encodeBody() {
          return callId.encode();
      }
  
      public Object clone() {
          InReplyTo retval = (InReplyTo) super.clone();
          if (this.callId != null)
              retval.callId = (CallIdentifier) this.callId.clone();
          return retval;
      }
  }
  
  