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 java.text.ParseException;
  
  import javax2.sip.InvalidArgumentException;
  import javax2.sip.header.*;
  
  /**
   * the WarningValue SIPObject.
   *
   * @author M. Ranganathan   <br/>
   * @author Olivier Deruelle <br/>
   * @version 1.2 $Revision: 1.8 $ $Date: 2009/10/18 13:46:33 $
   *
   *
   *
   * @see WarningList SIPHeader which strings these together.
   */
  public class Warning extends SIPHeader implements WarningHeader {
  
      /**
       * Comment for <code>serialVersionUID</code>
       */
      private static final long serialVersionUID = -3433328864230783899L;
  
      /** warn code field, the warn code consists of three digits.
       */
      protected int code;
  
      /** the name or pseudonym of the server adding
       * the Warning header, for use in debugging
       */
      protected String agent;
  
      /** warn-text field
       */
      protected String text;
  
      /**
       * constructor.
       */
      public Warning() {
          super(WARNING);
      }
  
      /** Encode the body of the header (return the stuff following name:).
       *@return the string encoding of the header value.
       */
      public String encodeBody() {
          return text != null
              ? Integer.toString(code)
                  + SP
                  + agent
                  + SP
                  + DOUBLE_QUOTE
                  + text
                  + DOUBLE_QUOTE
              : Integer.toString(code) + SP + agent;
      }
  
      /**
      * Gets code of WarningHeader
      * @return code of WarningHeader
      */
      public int getCode() {
          return code;
      }
  
      /**
      * Gets agent host of WarningHeader
      * @return agent host of WarningHeader
      */
      public String getAgent() {
          return agent;
      }
  
      /**
      * Gets text of WarningHeader
      * @return text of WarningHeader
      */
      public String getText() {
          return text;
      }
  
      /**
       * Sets code of WarningHeader
       * @param code int to set
       * @throws SipParseException if code is not accepted by implementation
       */
      public void setCode(int code) throws InvalidArgumentException {
          if (code >99  && code < 1000) { // check this is a 3DIGIT code
              this.code = code;
          } else
              throw new InvalidArgumentException(
                  "Code parameter in the Warning header is invalid: code="
                      + code);
      }
  
      /**
       * Sets host of WarningHeader
       * @param host String to set
       * @throws ParseException if host is not accepted by implementation
       */
      public void setAgent(String host) throws ParseException {
          if (host == null)
              throw new NullPointerException("the host parameter in the Warning header is null");
          else {
              this.agent = host;
          }
      }
  
      /**
       * Sets text of WarningHeader
       * @param text String to set
       * @throws ParseException if text is not accepted by implementation
       */
      public void setText(String text) throws ParseException {
          if (text == null) {
              throw new ParseException(
                  "The text parameter in the Warning header is null",
                  0);
          } else
              this.text = text;
      }
  }
  /*
   * $Log: Warning.java,v $
   * Revision 1.8  2009/10/18 13:46:33  deruelle_jean
   * FindBugs Fixes (Category Performance Warnings)
   *
   * Issue number:
   * Obtained from:
   * Submitted by: Jean Deruelle
   * Reviewed by:
   *
   * Revision 1.7  2009/07/17 18:57:41  emcho
   * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
   *
   * Revision 1.6  2006/07/13 09:01:44  mranga
   * Issue number:
   * Obtained from:
   * Submitted by:  jeroen van bemmel
   * Reviewed by:   mranga
   * Moved some changes from jain-sip-1.2 to java.net
   *
   * CVS: ----------------------------------------------------------------------
   * CVS: Issue number:
   * CVS:   If this change addresses one or more issues,
   * CVS:   then enter the issue number(s) here.
   * CVS: Obtained from:
   * CVS:   If this change has been taken from another system,
   * CVS:   then name the system in this line, otherwise delete it.
   * CVS: Submitted by:
   * CVS:   If this code has been contributed to the project by someone else; i.e.,
   * CVS:   they sent us a patch or a set of diffs, then include their name/email
   * CVS:   address here. If this is your work then delete this line.
   * CVS: Reviewed by:
   * CVS:   If we are doing pre-commit code reviews and someone else has
   * CVS:   reviewed your changes, include their name(s) here.
   * CVS:   If you have not had it reviewed then delete this line.
   *
   * Revision 1.3  2006/06/19 06:47:27  mranga
   * javadoc fixups
   *
   * Revision 1.2  2006/06/16 15:26:28  mranga
   * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
   *
   * Revision 1.1.1.1  2005/10/04 17:12:35  mranga
   *
   * Import
   *
   *
   * Revision 1.4  2004/04/22 22:51:16  mranga
   * Submitted by:  Thomas Froment
   * Reviewed by:   mranga
   *
   * Fixed corner cases.
   *
   * Revision 1.2  2004/01/22 13:26:30  sverker
   * Issue number:
   * Obtained from:
   * Submitted by:  sverker
   * Reviewed by:   mranga
   *
   * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
   *
   * CVS: ----------------------------------------------------------------------
   * CVS: Issue number:
   * CVS:   If this change addresses one or more issues,
   * CVS:   then enter the issue number(s) here.
   * CVS: Obtained from:
   * CVS:   If this change has been taken from another system,
   * CVS:   then name the system in this line, otherwise delete it.
   * CVS: Submitted by:
   * CVS:   If this code has been contributed to the project by someone else; i.e.,
   * CVS:   they sent us a patch or a set of diffs, then include their name/email
   * CVS:   address here. If this is your work then delete this line.
   * CVS: Reviewed by:
   * CVS:   If we are doing pre-commit code reviews and someone else has
   * CVS:   reviewed your changes, include their name(s) here.
   * CVS:   If you have not had it reviewed then delete this line.
   *
   */
  