| public static IsBlank ( string val ) : bool | ||
| val | string | /// the String to check, may be null /// |
| return | bool | |
/// <summary>
/// Throws <see cref="ArgumentException" /> if the parameter <paramref name="o"/>
/// is <code>null</code> or blank.
/// </summary>
/// <param name="o">value to test for blank.</param>
/// <param name="param">name of the parameter to check.</param>
/// <exception cref="ArgumentException">if <paramref name="o"/> is <code>null</code> or blank and constructs a
/// message with the name of the parameter.</exception>
public static void BlankCheck(String o, String param)
{
if (StringUtil.IsBlank(o))
{
throw new ArgumentException(String.Format(BLANK_FORMAT, param));
}
}
/// <summary>
/// Throws <see cref="ArgumentException" /> if the parameter <paramref name="o"/>
/// is <code>null</code> or blank, otherwise returns its value.
/// </summary>
/// <param name="o">value to test for blank.</param>
/// <param name="param">name of the parameter to check.</param>
/// <returns>the value of the parameter <paramref name="o"/>.</returns>
/// <exception cref="ArgumentException">if <paramref name="o"/> is <code>null</code> or blank and constructs a
/// message with the name of the parameter.</exception>
public static String BlankChecked(String o, String param)
{
// Avoid calling BlankCheck() here to reuse code: it deepens the stack trace.
// We want the exception to be thrown as close to the call site as possible.
if (StringUtil.IsBlank(o))
{
throw new ArgumentException(String.Format(BLANK_FORMAT, param));
}
return(o);
}
/// <summary>
/// Determines if the string parameter 'str' ends with the character value.
/// </summary>
/// <param name="str">
/// String to check for the character at the end. </param>
/// <param name="value">
/// The character to look for at the end of the string. </param>
/// <returns> true if character parameter is found at the end of the string
/// parameter otherwise false. </returns>
public static bool EndsWith(string str, char value)
{
return(StringUtil.IsBlank(str) ? false : str[str.Length - 1] == value);
}