gov.nist.javax.sip.header.ExtensionHeaderImpl Maven / Gradle / Ivy
/*
* 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 android.gov.nist.javax.sip.header;
/**
* A generic extension header for the stack.
* The input text of the header gets recorded here.
*
* @version 1.2 $Revision: 1.6 $ $Date: 2010-05-06 14:07:46 $
* @since 1.1
*
* @author M. Ranganathan
*
*
*/
public class ExtensionHeaderImpl
extends SIPHeader
implements android.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) {
super(headerName);
}
/**
* Set the name of the header.
* @param headerName is the name of the header to set.
*/
public void setName(String headerName) {
this.headerName = headerName;
}
/**
* Set the value of the header.
*/
public void setValue(String value) {
this.value = value;
}
/**
* Get the value of the extension header.
* @return the value of the extension header.
*/
public String getHeaderValue() {
if (this.value != null) {
return this.value;
} else {
String encodedHdr = null;
try {
// Bug fix submitted by Lamine Brahimi
encodedHdr = this.encode();
} catch (Exception ex) {
return null;
}
StringBuilder buffer = new StringBuilder(encodedHdr);
while (buffer.length() > 0 && buffer.charAt(0) != ':') {
buffer.deleteCharAt(0);
}
buffer.deleteCharAt(0);
this.value = buffer.toString().trim();
return this.value;
}
}
/**
* Return the canonical encoding of this header.
*/
public String encode() {
return new StringBuffer(this.headerName)
.append(COLON)
.append(SP)
.append(this.value)
.append(NEWLINE)
.toString();
}
/**
* Return the canonical encoding of this header.
*/
public StringBuilder encodeBody(StringBuilder buffer) {
return buffer.append(this.encodeBody());
}
/**
* Return just the body of this header encoded (leaving out the
* name and the CRLF at the end).
*/
public String encodeBody() {
return this.getHeaderValue();
}
}