com.stripe.android.util

Class StripeTextUtils

java.lang.Object

com.stripe.android.util.StripeTextUtils

public class StripeTextUtils
extends java.lang.Object

Utility class for common text-related operations on Stripe data coming from the server.

Constructor Summary

Constructors

Constructor and Description
StripeTextUtils()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	asCardBrand(java.lang.String possibleCardType) Converts an unchecked String value to a Card.CardBrand or null.
static java.lang.String	asFundingType(java.lang.String possibleFundingType) Converts an unchecked String value to a Card.FundingType or null.
static java.lang.String	asTokenType(java.lang.String possibleTokenType) Converts an unchecked String value to a Token.TokenType or null.
static boolean	hasAnyPrefix(java.lang.String number, java.lang.String... prefixes) Check to see if the input number has any of the given prefixes.
static boolean	isBlank(java.lang.String value) A checker for whether or not the input value is entirely whitespace.
static boolean	isWholePositiveNumber(java.lang.String value) Check to see whether the input string is a whole, positive number.
static java.lang.String	nullIfBlank(java.lang.String value) Swap null for blank text values.

Methods inherited from class java.lang.Object

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

Constructor Detail

StripeTextUtils

public StripeTextUtils()

Method Detail

hasAnyPrefix

public static boolean hasAnyPrefix(java.lang.String number,
                                   java.lang.String... prefixes)

Check to see if the input number has any of the given prefixes.

Parameters:

number - the number to test

prefixes - the prefixes to test against

Returns:

true if number begins with any of the input prefixes

isWholePositiveNumber

public static boolean isWholePositiveNumber(java.lang.String value)

Check to see whether the input string is a whole, positive number.

Parameters:

value - the input string to test

Returns:

true if the input value consists entirely of integers

nullIfBlank

public static java.lang.String nullIfBlank(java.lang.String value)

Swap null for blank text values.

Parameters:

value - an input string that may or may not be entirely whitespace

Returns:

null if the string is entirely whitespace, or the original value if not

isBlank

public static boolean isBlank(java.lang.String value)

A checker for whether or not the input value is entirely whitespace. This is slightly more aggressive than the android TextUtils#isEmpty method, which only returns true for null or "".

Parameters:

value - a possibly blank input string value

Returns:

true if and only if the value is all whitespace, null, or empty

asCardBrand

@Nullable
public static java.lang.String asCardBrand(@Nullable
                                                     java.lang.String possibleCardType)

Converts an unchecked String value to a Card.CardBrand or null.

Parameters:

possibleCardType - a String that might match a Card.CardBrand or be empty.

Returns:

null if the input is blank, else the appropriate Card.CardBrand.

asFundingType

@Nullable
public static java.lang.String asFundingType(@Nullable
                                                       java.lang.String possibleFundingType)

Converts an unchecked String value to a Card.FundingType or null.

Parameters:

possibleFundingType - a String that might match a Card.FundingType or be empty

Returns:

null if the input is blank, else the appropriate Card.FundingType

asTokenType

@Nullable
public static java.lang.String asTokenType(@Nullable
                                                     java.lang.String possibleTokenType)

Converts an unchecked String value to a Token.TokenType or null.

Parameters:

possibleTokenType - a String that might match a Token.TokenType or be empty

Returns:

null if the input is blank or otherwise does not match a Token.TokenType, else the appropriate Token.TokenType.