Package com.gentlyweb.utils

Class GeneralUtils

java.lang.Object

com.gentlyweb.utils.GeneralUtils

public class GeneralUtils
extends Object

A Class to hold some general purpose Utilities that don't have a home anywhere else (at the moment).

You should NOT rely on these methods staying in this class.

All methods in this class are static.

Field Summary

Fields

Modifier and Type	Field	Description
static String	GENTLYWEB_EMAIL

Constructor Summary

Constructors

Constructor	Description
GeneralUtils()

Method Summary

Modifier and Type	Method	Description
static String	getExceptionTraceAsString(Exception e)	Get an exception (and if it's an instance of ChainException) the chain of exceptions (if present) as a String.
static void	getMethods(Class c, String name, int mods, List ms)
static void	validateIPv4Address(String ipaddress)	Validate an IPv4 address (string) passed in, it must conform to the following rules: Must have 4 parts. Parts must be separated by . The first octet must be in the range 0-223. The second and third octets must be in the range 0-255 4th octet can be either a number in the range 1-254 (0 is the name of the network, 255 is the broadcast address). All parts must be numbers...

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

GENTLYWEB_EMAIL

public static String GENTLYWEB_EMAIL

Constructor Detail

GeneralUtils

public GeneralUtils()

Method Detail

getExceptionTraceAsString

public static String getExceptionTraceAsString(Exception e)
                                        throws IOException

Get an exception (and if it's an instance of ChainException) the chain of exceptions (if present) as a String.

Parameters:

e - The exception

Returns:

A String of the exception chain.

Throws:

IOException - Should never happen since we are using a StringWriter.

validateIPv4Address

public static void validateIPv4Address(String ipaddress)
                                throws Exception

Validate an IPv4 address (string) passed in, it must conform to the following rules:

• Must have 4 parts.
• Parts must be separated by .
• The first octet must be in the range 0-223.
• The second and third octets must be in the range 0-255
• 4th octet can be either a number in the range 1-254 (0 is the name of the network, 255 is the broadcast address).
• All parts must be numbers...

Parameters:

ipaddress - The ip address to validate.

Throws:

Exception - If one of the rules is broken.

getMethods

public static void getMethods(Class c,
                              String name,
                              int mods,
                              List ms)