com.sdl.web.discovery.util

Class CommonUtils

java.lang.Object

com.sdl.web.discovery.util.CommonUtils

public class CommonUtils
extends Object

Util class contains some precondition checks.

Method Summary

Modifier and Type	Method and Description
static void	checkArgument(boolean expression, Object errorMessage) Check argument, if the expression is false then throw IllegalArgumentException.
static boolean	isBlank(CharSequence cs) Checks if a CharSequence is whitespace, empty ("") or null.
static Properties	mapsToPropertiesConverted(Map<String,String>... configurations) Util method to convert Map entries into Properties.

Methods inherited from class java.lang.Object

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

Method Detail

checkArgument

public static void checkArgument(boolean expression,
                                 Object errorMessage)

Check argument, if the expression is false then throw IllegalArgumentException.

Parameters:

expression - expression to check

errorMessage - error message to throw if expression is false

isBlank

public static boolean isBlank(CharSequence cs)

Checks if a CharSequence is whitespace, empty ("") or null.

 StringUtils.isBlank(null)      = true
 StringUtils.isBlank("")        = true
 StringUtils.isBlank(" ")       = true
 StringUtils.isBlank("bob")     = false
 StringUtils.isBlank("  bob  ") = false
 

Parameters:

cs - the CharSequence to check, may be null

Returns:

true if the CharSequence is null, empty or whitespace

mapsToPropertiesConverted

public static Properties mapsToPropertiesConverted(Map<String,String>... configurations)

Util method to convert Map entries into Properties.

Parameters:

configurations - map like configurations

Returns:

properties