public void HasLengthTests()
{
Assert.IsFalse(StringUtils.HasLength(null));
Assert.IsFalse(StringUtils.HasLength(""));
Assert.IsTrue(StringUtils.HasLength(" "));
Assert.IsTrue(StringUtils.HasLength("Hello"));
}
/// <summary>
/// Returns absolute path that can be referenced within plain HTML.
/// </summary>
/// <remarks>
/// <p>
/// If relative path starts with '/' (forward slash), no concatenation will occur
/// and it will be assumed that the relative path specified is indeed the absolute path
/// and will be returned verbatim.</p>
/// <p>
/// Otherwise, relative path will be appended to the application path, while making sure that
/// path separators are not duplicated between the paths.</p>
/// </remarks>
/// <param name="applicationPath">Application path.</param>
/// <param name="relativePath">Relative path to combine with the application path.</param>
/// <returns>Absolute path.</returns>
public static string CreateAbsolutePath(string applicationPath, string relativePath)
{
if (StringUtils.HasLength(relativePath))
{
if (relativePath.ToLower().StartsWith("http://") || relativePath.ToLower().StartsWith("https://"))
{
return(relativePath);
}
if (relativePath.StartsWith("/"))
{
return(relativePath);
}
if (relativePath.StartsWith("~/"))
{
relativePath = relativePath.Substring(2);
}
}
applicationPath = (applicationPath == null) ? "" : applicationPath.TrimEnd('/');
return(string.Format("{0}/{1}", applicationPath, relativePath));
}