using System;
using System.Collections.Generic;
using System.Text;
namespace LumiSoft.Net.SIP.Message
{
/// <summary>
/// Implements SIP "content-coding" value. Defined in RFC 3261.
/// </summary>
/// <remarks>
/// <code>
/// RFC 3261 Syntax:
/// content-coding = token
/// </code>
/// </remarks>
public class SIP_t_ContentCoding : SIP_t_Value
{
private string m_Encoding = "";
/// <summary>
/// Default constructor.
/// </summary>
public SIP_t_ContentCoding()
{
}
#region method Parse
/// <summary>
/// Parses "content-coding" from specified value.
/// </summary>
/// <param name="value">SIP "content-coding" 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 "content-coding" 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)
{
/*
content-coding = token
*/
if(reader == null){
throw new ArgumentNullException("reader");
}
// Get Method
string word = reader.ReadWord();
if(word == null){
throw new SIP_ParseException("Invalid 'content-coding' value, value is missing !");
}
m_Encoding = word;
}
#endregion
#region method ToStringValue
/// <summary>
/// Converts this to valid "content-coding" value.
/// </summary>
/// <returns>Returns "content-coding" value.</returns>
public override string ToStringValue()
{
return m_Encoding;
}
#endregion
#region Properties Impelementation
/// <summary>
/// Gets or sets content encoding.
/// </summary>
public string Encoding
{
get{ return m_Encoding; }
set{
if(string.IsNullOrEmpty(value)){
throw new ArgumentException("Property Encoding value may not be null or empty !");
}
if(!TextUtils.IsToken(value)){
throw new ArgumentException("Encoding value may be 'token' only !");
}
m_Encoding = value;
}
}
#endregion
}
}