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using System;
using System.Collections.Generic;
using System.Text;
namespace LumiSoft.Net.SIP.Message
{
/// <summary>
/// Implements SIP "refer-sub" value. Defined in RFC 4488.
/// </summary>
/// <remarks>
/// <code>
/// RFC 4488 Syntax:
/// Refer-Sub = refer-sub-value *(SEMI exten)
/// refer-sub-value = "true" / "false"
/// exten = generic-param
/// </code>
/// </remarks>
public class SIP_t_ReferSub : SIP_t_ValueWithParams
{
private bool m_Value = false;
/// <summary>
/// Default constructor.
/// </summary>
public SIP_t_ReferSub()
{
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="value">Refer-Sub value.</param>
public SIP_t_ReferSub(string value)
{
Parse(value);
}
#region method Parse
/// <summary>
/// Parses "Refer-Sub" from specified value.
/// </summary>
/// <param name="value">SIP "Refer-Sub" 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 "Refer-Sub" 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)
{
/*
Refer-Sub = refer-sub-value *(SEMI exten)
refer-sub-value = "true" / "false"
exten = generic-param
*/
if(reader == null){
throw new ArgumentNullException("reader");
}
// refer-sub-value
string word = reader.ReadWord();
if(word == null){
throw new SIP_ParseException("Refer-Sub refer-sub-value value is missing !");
}
try{
m_Value = Convert.ToBoolean(word);
}
catch{
throw new SIP_ParseException("Invalid Refer-Sub refer-sub-value value !");
}
// Parse parameters
ParseParameters(reader);
}
#endregion
#region method ToStringValue
/// <summary>
/// Converts this to valid "contact-param" value.
/// </summary>
/// <returns>Returns "contact-param" value.</returns>
public override string ToStringValue()
{
/*
Refer-Sub = refer-sub-value *(SEMI exten)
refer-sub-value = "true" / "false"
exten = generic-param
*/
StringBuilder retVal = new StringBuilder();
// refer-sub-value
retVal.Append(m_Value.ToString());
// Add parameters
retVal.Append(ParametersToString());
return retVal.ToString();
}
#endregion
#region Properties Implementation
/// <summary>
/// Gets or sets refer-sub-value value.
/// </summary>
public bool Value
{
get{ return m_Value; }
set{ m_Value = value; }
}
#endregion
}
}
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