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.CallIdHeader;
  
  import java.text.ParseException;
  
  /**
   * Call ID SIPHeader.
   *
   * @author M. Ranganathan   <br/>
   * @version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:57:27 $
   * @since 1.1
   */
  public class CallID
      extends SIPHeader
      implements javax2.sip.header.CallIdHeader {
  
      /**
       * Comment for <code>serialVersionUID</code>
       */
      private static final long serialVersionUID = -6463630258703731156L;
      /**
       * callIdentifier field
       */
      protected CallIdentifier callIdentifier;
  
      /**
       * Default constructor
       */
      public CallID() {
          super(NAME);
      }
  
      /* (non-Javadoc)
       * @see java.lang.Object#equals(java.lang.Object)
       *
       * CallIDs are compared case-insensitively
       */
      public boolean equals( Object other ) {
  
          if (this==other) return true;
  
          if (other instanceof CallIdHeader) {
              final CallIdHeader o = (CallIdHeader) other;
              return this.getCallId().equalsIgnoreCase( o.getCallId() );
          }
          return false;
      }
  
  
      /**
       * Encode the body part of this header (i.e. leave out the hdrName).
       *@return String encoded body part of the header.
       */
      public String encodeBody() {
          return encodeBody(new StringBuffer()).toString();
      }
  
      protected StringBuffer encodeBody(StringBuffer buffer) {
          if (callIdentifier != null)
              callIdentifier.encode(buffer);
  
          return buffer;
      }
  
      /**
       * get the CallId field. This does the same thing as
       * encodeBody
       * @return String the encoded body part of the
       */
      public String getCallId() {
          return encodeBody();
      }
  
      /**
       * get the call Identifer member.
       * @return CallIdentifier
       */
      public CallIdentifier getCallIdentifer() {
          return callIdentifier;
      }
  
      /**
       * set the CallId field
       * @param cid String to set. This is the body part of the Call-Id
       *  header. It must have the form localId@host or localId.
       * @throws IllegalArgumentException if cid is null, not a token, or is
       * not a token@token.
       */
      public void setCallId(String cid) throws ParseException {
          try {
              callIdentifier = new CallIdentifier(cid);
          } catch (IllegalArgumentException ex) {
              throw new ParseException(cid, 0);
          }
      }
  
      /**
       * Set the callIdentifier member.
       * @param cid CallIdentifier to set (localId@host).
       */
      public void setCallIdentifier(CallIdentifier cid) {
          callIdentifier = cid;
      }
  
      /** Constructor given the call Identifier.
       *@param callId string call identifier (should be localid@host)
       *@throws IllegalArgumentException if call identifier is bad.
       */
      public CallID(String callId) throws IllegalArgumentException {
          super(NAME);
          this.callIdentifier = new CallIdentifier(callId);
      }
  
      public Object clone() {
          CallID retval = (CallID) super.clone();
          if (this.callIdentifier != null)
              retval.callIdentifier = (CallIdentifier) this.callIdentifier.clone();
          return retval;
      }
  }
  