getBooleanFromString

getBooleanFromString.java

/**
 * Returns a boolean from an entered string, or null if the string does not represent a boolean.
 * 
 * "on", "yes", "y", "true" = true
 * "off", "no", "n", "false" = false
 * 
 * @param input the input text.
 * @return true/false if the string is a boolean; null else.
 */
public Boolean getBooleanFromString(String input) {
	if(input.equalsIgnoreCase("on") || input.equalsIgnoreCase("yes") || input.equalsIgnoreCase("y") || input.equalsIgnoreCase("true")) {
		return true;
	}
	else if(input.equalsIgnoreCase("off") || input.equalsIgnoreCase("no") || input.equalsIgnoreCase("n") || input.equalsIgnoreCase("false")) {
		return false;
	}
	else {
		return null;
	}
}