org.protempa

Class ProtempaUtil

java.lang.Object

org.protempa.ProtempaUtil

public final class ProtempaUtil
extends Object

Utility methods for the PROTEMPA project. They are not intended to be used outside of projects that use PROTEMPA.

Author:

Andrew Post

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ProtempaUtil.PropositionDefinitionDisplayNameComparator Comparator for comparing proposition definitions by display name.

Method Summary

Modifier and Type	Method and Description
static void	checkArray(Object[] array, String arrayName) Checks if the specified array is null, has length zero or has null values.
static void	checkArrayForNullElement(Object[] array, String arrayName) Checks if the specified array has any null elements.
static void	internAll(String[] strings) Replaces every element of the supplied string array with an interned copy as created by String.intern().

Methods inherited from class java.lang.Object

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

Method Detail

checkArray

public static void checkArray(Object[] array,
                              String arrayName)

Checks if the specified array is null, has length zero or has null values. If any of those criteria are me, an IllegalArgumentException is thrown.

Parameters:

array - an Object[].

arrayName - the variable name String of the array ( used in the exception message). Should not be null, or the exception message will not indicate which parameter was erroneously null.

checkArrayForNullElement

public static void checkArrayForNullElement(Object[] array,
                                            String arrayName)

Checks if the specified array has any null elements. If so, an [@link IllegalArgumentException is thrown.

Parameters:

array - an Object[]. Must not be null, or a NullPointerException will be thrown.

arrayName - the variable name String of the array (used in the exception message). Should not be null, or the exception message will not indicate which parameter was erroneously null.

internAll

public static void internAll(String[] strings)

Replaces every element of the supplied string array with an interned copy as created by String.intern().

Parameters:

strings - a String[]. Cannot be null.