com.vividsolutions.jump.util

Class LangUtil

java.lang.Object

com.vividsolutions.jump.util.LangUtil

public class LangUtil
extends java.lang.Object

Utilities to support the Java language.

Constructor Summary

Constructors

Constructor and Description
LangUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	bothNullOrEqual(java.lang.Object a, java.lang.Object b)
static java.util.Collection	classesAndInterfaces(java.lang.Class c)
static java.lang.String	emptyStringIfNull(java.lang.String s)
static java.lang.Object	ifNotNull(java.lang.Object o, java.lang.Object alternative)
static java.lang.Object	ifNull(java.lang.Object o, java.lang.Object alternative) Useful because an expression used to generate o need only be evaluated once.
static boolean	isPrimitive(java.lang.Class c)
static java.lang.Object	newInstance(java.lang.Class c)
static java.lang.Class	toPrimitiveWrapperClass(java.lang.Class primitiveClass)

Methods inherited from class java.lang.Object

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

Constructor Detail

LangUtil

public LangUtil()

Method Detail

emptyStringIfNull

public static java.lang.String emptyStringIfNull(java.lang.String s)

ifNull

public static java.lang.Object ifNull(java.lang.Object o,
                      java.lang.Object alternative)

Useful because an expression used to generate o need only be evaluated once.

ifNotNull

public static java.lang.Object ifNotNull(java.lang.Object o,
                         java.lang.Object alternative)

toPrimitiveWrapperClass

public static java.lang.Class toPrimitiveWrapperClass(java.lang.Class primitiveClass)

isPrimitive

public static boolean isPrimitive(java.lang.Class c)

bothNullOrEqual

public static boolean bothNullOrEqual(java.lang.Object a,
                      java.lang.Object b)

newInstance

public static java.lang.Object newInstance(java.lang.Class c)

classesAndInterfaces

public static java.util.Collection classesAndInterfaces(java.lang.Class c)