|
using System;
using System.Collections.Generic;
using System.Text;
namespace LumiSoft.Net.SIP.Message
{
/// <summary>
/// Implements SIP "Target-Dialog" value. Defined in RFC 4538.
/// </summary>
/// <remarks>
/// <code>
/// RFC 4538 Syntax:
/// Target-Dialog = callid *(SEMI td-param) ;callid from RFC 3261
/// td-param = remote-param / local-param / generic-param
/// remote-param = "remote-tag" EQUAL token
/// local-param = "local-tag" EQUAL token
/// </code>
/// </remarks>
public class SIP_t_TargetDialog : SIP_t_ValueWithParams
{
private string m_CallID = "";
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="value">SIP Target-Dialog value.</param>
public SIP_t_TargetDialog(string value)
{
Parse(value);
}
#region method Parse
/// <summary>
/// Parses "Target-Dialog" from specified value.
/// </summary>
/// <param name="value">SIP "Target-Dialog" value.</param>
/// <exception cref="ArgumentNullException">Raised when <b>value</b> is null.</exception>
/// <exception cref="SIP_ParseException">Raised when invalid SIP message.</exception>
public void Parse(string value)
{
if(value == null){
throw new ArgumentNullException("value");
}
Parse(new StringReader(value));
}
/// <summary>
/// Parses "Target-Dialog" from specified reader.
/// </summary>
/// <param name="reader">Reader from where to parse.</param>
/// <exception cref="ArgumentNullException">Raised when <b>reader</b> is null.</exception>
/// <exception cref="SIP_ParseException">Raised when invalid SIP message.</exception>
public override void Parse(StringReader reader)
{
/*
Target-Dialog = callid *(SEMI td-param) ;callid from RFC 3261
td-param = remote-param / local-param / generic-param
remote-param = "remote-tag" EQUAL token
local-param = "local-tag" EQUAL token
*/
if(reader == null){
throw new ArgumentNullException("reader");
}
// callid
string word = reader.ReadWord();
if(word == null){
throw new SIP_ParseException("SIP Target-Dialog 'callid' value is missing !");
}
m_CallID = word;
// Parse parameters
ParseParameters(reader);
}
#endregion
#region method ToStringValue
/// <summary>
/// Converts this to valid "Target-Dialog" value.
/// </summary>
/// <returns>Returns "Target-Dialog" value.</returns>
public override string ToStringValue()
{
/*
Target-Dialog = callid *(SEMI td-param) ;callid from RFC 3261
td-param = remote-param / local-param / generic-param
remote-param = "remote-tag" EQUAL token
local-param = "local-tag" EQUAL token
*/
StringBuilder retVal = new StringBuilder();
// callid
retVal.Append(m_CallID);
// Add parameters
retVal.Append(ParametersToString());
return retVal.ToString();
}
#endregion
#region Properties Implementation
/// <summary>
/// Gets or sets call ID.
/// </summary>
/// <exception cref="ArgumentNullException">Is raised when null value is passed.</exception>
/// <exception cref="ArgumentException">Is raised when invalid CallID value is passed.</exception>
public string CallID
{
get{ return m_CallID; }
set{
if(m_CallID == null){
throw new ArgumentNullException("CallID");
}
if(m_CallID == ""){
throw new ArgumentException("Property 'CallID' may not be '' !");
}
m_CallID = value;
}
}
/// <summary>
/// Gets or sets 'remote-tag' parameter value. Value null means not specified.
/// </summary>
public string RemoteTag
{
get{
SIP_Parameter parameter = this.Parameters["remote-tag"];
if(parameter != null){
return parameter.Value;
}
else{
return null;
}
}
set{
if(string.IsNullOrEmpty(value)){
this.Parameters.Remove("remote-tag");
}
else{
this.Parameters.Set("remote-tag",value);
}
}
}
/// <summary>
/// Gets or sets 'local-tag' parameter value. Value null means not specified.
/// </summary>
public string LocalTag
{
get{
SIP_Parameter parameter = this.Parameters["local-tag"];
if(parameter != null){
return parameter.Value;
}
else{
return null;
}
}
set{
if(string.IsNullOrEmpty(value)){
this.Parameters.Remove("local-tag");
}
else{
this.Parameters.Set("local-tag",value);
}
}
}
#endregion
}
}
|
By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.
If a file you wish to view isn't highlighted, and is a text file (not binary), please
let us know and we'll add colourisation support for it.
This member has not yet provided a Biography. Assume it's interesting and varied, and probably something to do with programming.