org.faktorips.runtime.internal

Class IpsStringUtils

java.lang.Object

org.faktorips.runtime.internal.IpsStringUtils

public class IpsStringUtils
extends Object

A collection of utility methods for Strings. We don't use a class library like apache-commons here to minimize the dependencies for the generated code.

Field Summary

Fields

Modifier and Type	Field and Description
static String	EMPTY

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	isBlank(String s) Returns true if s is either null, the empty string or a string that only contains whitespaces, otherwise false.
static boolean	isEmpty(String s) Returns true if s is either null or the empty string, otherwise false.
static boolean	isNotEmpty(String s) Returns true if s is not null and is not the empty string, otherwise false.
static String	join(Collection<?> collection, String separator) Joins the elements of the provided Collection into a single String containing the provided elements with the given separator.
static String	join(Object[] objectArray, String separator)

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY

public static final String EMPTY

See Also:

Constant Field Values

Method Detail

isEmpty

public static final boolean isEmpty(String s)

Returns true if s is either null or the empty string, otherwise false.

isNotEmpty

public static final boolean isNotEmpty(String s)

Returns true if s is not null and is not the empty string, otherwise false.

isBlank

public static final boolean isBlank(String s)

Returns true if s is either null, the empty string or a string that only contains whitespaces, otherwise false.

join

public static final String join(Collection<?> collection,
          String separator)

Joins the elements of the provided Collection into a single String containing the provided elements with the given separator. No delimiter is added before or after the list.

Parameters:

collection - the Collection of values to join together, may be null

separator - the separator to use, null treated as ""

Returns:

the joined String, null if the collection is null

join

public static final String join(Object[] objectArray,
          String separator)