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  * 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
 * 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 gov.nist.javax.sip.header;

A generic extension header for the stack. The input text of the header gets recorded here.

M. Ranganathan
1.2 $Revision: 1.5 $ $Date: 2009/07/17 18:57:30 $
 public class ExtensionHeaderImpl
     extends SIPHeader
     implements javax.sip.header.ExtensionHeader {

Comment for serialVersionUID
     private static final long serialVersionUID = -8693922839612081849L;
     protected String value;

This was added to allow for automatic cloning of headers.
     public ExtensionHeaderImpl() {
     public ExtensionHeaderImpl(String headerName) {

Set the name of the header.

headerName is the name of the header to set.
     public void setName(String headerName) {
         this. = headerName;

Set the value of the header.
     public void setValue(String value) {
         this. = value;

Get the value of the extension header.

the value of the extension header.
     public String getHeaderValue() {
         if (this. != null) {
             return this.;
         } else {
             String encodedHdr = null;
             try {
                 // Bug fix submitted by Lamine Brahimi
                 encodedHdr = this.encode();
             } catch (Exception ex) {
                 return null;
             StringBuffer buffer = new StringBuffer(encodedHdr);
             while (buffer.length() > 0 && buffer.charAt(0) != ':') {
             this. = buffer.toString().trim();
            return this.;

Return the canonical encoding of this header.
    public String encode() {
        return new StringBuffer(this.)

Return just the body of this header encoded (leaving out the name and the CRLF at the end).
    public String encodeBody() {
        return this.getHeaderValue();
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