/// <summary>
/// Construct a user agent header - synchronized.
/// </summary>
/// <param name="applicationName">Escaped application name.</param>
/// <param name="applicationVersion">Escaped application version.</param>
/// <param name="programmingLanguage">Escaped programming language.</param>
/// <param name="additionalNameValuePairs">Raw attribute name,value pair.</param>
public void SetUserAgent(string applicationName, string applicationVersion, string programmingLanguage, string[] additionalNameValuePairs)
{
lock (_lockThis)
{
if (applicationName == null)
{
throw new ArgumentNullException("applicationName", "Value cannot be null.");
}
if (applicationVersion == null)
{
throw new ArgumentNullException("applicationVersion", "Value cannot be null.");
}
if (programmingLanguage == null)
{
throw new ArgumentNullException("programmingLanguage", "Value cannot be null.");
}
if (additionalNameValuePairs.Length % 2 != 0)
{
throw new ArgumentException("additionalNameValuePairs", "Every name must have a corresponding value.");
}
var sb = new StringBuilder();
sb.Append(applicationName);
sb.Append("/");
sb.Append(applicationVersion);
sb.Append(" (");
sb.Append("Language=");
sb.Append(programmingLanguage);
var i = 0;
while (i < additionalNameValuePairs.Length)
{
var name = additionalNameValuePairs[i];
var value = additionalNameValuePairs[++i];
sb.Append("; ");
sb.Append(MwsUtil.EscapeAttributeName(name));
sb.Append("=");
sb.Append(MwsUtil.EscapeAttributeValue(value));
i++;
}
sb.Append(")");
_userAgent = sb.ToString();
}
}
