Class LangUtil

java.lang.Object

com.vividsolutions.jump.util.LangUtil

public class LangUtil
extends Object

Utilities to support the Java language.

Constructor Summary

Constructors

Constructor	Description
LangUtil()

Method Summary

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

Methods inherited from class Object

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

Constructor Details

LangUtil

public LangUtil()

Method Details

emptyStringIfNull

public static String emptyStringIfNull(String s)

ifNull

public static Object ifNull(Object o,
 Object alternative)

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

ifNotNull

public static Object ifNotNull(Object o,
 Object alternative)

toPrimitiveWrapperClass

public static Class toPrimitiveWrapperClass(Class primitiveClass)

isPrimitive

public static boolean isPrimitive(Class c)

bothNullOrEqual

public static boolean bothNullOrEqual(Object a,
 Object b)

newInstance

public static Object newInstance(Class c)

classesAndInterfaces

public static Collection<Class<?>> classesAndInterfaces(Class c)