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using System;
using System.Collections.Generic;
using System.Text;
namespace LumiSoft.Net.SIP.Message
{
/// <summary>
/// Implements SIP "alert-param" value. Defined in RFC 3261.
/// </summary>
/// <remarks>
/// <code>
/// RFC 3261 Syntax:
/// alert-param = LAQUOT absoluteURI RAQUOT *( SEMI generic-param )
/// </code>
/// </remarks>
public class SIP_t_AlertParam : SIP_t_ValueWithParams
{
private string m_Uri = "";
/// <summary>
/// Default constructor.
/// </summary>
public SIP_t_AlertParam()
{
}
#region method Parse
/// <summary>
/// Parses "alert-param" from specified value.
/// </summary>
/// <param name="value">SIP "alert-param" 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 "alert-param" 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)
{
/*
alert-param = LAQUOT absoluteURI RAQUOT *( SEMI generic-param )
*/
if(reader == null){
throw new ArgumentNullException("reader");
}
// Parse uri
// Read to LAQUOT
reader.QuotedReadToDelimiter('<');
if(!reader.StartsWith("<")){
throw new SIP_ParseException("Invalid Alert-Info value, Uri not between <> !");
}
m_Uri = reader.ReadParenthesized();
// Parse parameters
ParseParameters(reader);
}
#endregion
#region method ToStringValue
/// <summary>
/// Converts this to valid "alert-param" value.
/// </summary>
/// <returns>Returns "alert-param" value.</returns>
public override string ToStringValue()
{
StringBuilder retVal = new StringBuilder();
retVal.Append("<" + m_Uri + ">");
retVal.Append(ParametersToString());
return retVal.ToString();
}
#endregion
#region Properties Implementation
/// <summary>
/// Gets or sets uri value.
/// </summary>
public string Uri
{
get{ return m_Uri; }
set{
if(string.IsNullOrEmpty(value)){
throw new ArgumentException("Property Uri value can't be null or empty !");
}
m_Uri = value;
}
}
#endregion
}
}
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