Package org.bitcoinj.base.internal

Class InternalUtils

java.lang.Object

org.bitcoinj.base.internal.InternalUtils

public class InternalUtils
extends Object

Utilities for internal use only.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	InternalUtils.Joiner	A functional interface for joining Strings or Objects via Object.toString() using a pre-configured delimiter.
static interface	InternalUtils.Splitter	A functional interface for splitting Strings using a pre-configured regular expression.

Field Summary

Fields

Modifier and Type	Field	Description
static final InternalUtils.Joiner	SPACE_JOINER	A InternalUtils.Joiner for joining strings into a single string delimited by a space character.
static final InternalUtils.Splitter	WHITESPACE_SPLITTER	A InternalUtils.Splitter for splitting a string into components by whitespace.

Constructor Summary

Constructors

Constructor	Description
InternalUtils()

Method Summary

Modifier and Type	Method	Description
static String	commaJoin(String... strings)	Join strings with ", " skipping nulls
static <V> V	getUninterruptibly(Future<V> future)	Get a future's value uninterruptibly by temporarily ignoring InterruptedException, but making sure we re-set the thread's interrupt status, so higher-level code on the thread can handle the interruption properly.
static InternalUtils.Joiner	joiner(String delimiter)	Return a lambda for joining Strings or Objects via Object.toString().
static InternalUtils.Splitter	splitter(String regex)	Return a lambda for splitting a string into components

Methods inherited from class java.lang.Object

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

Field Details

SPACE_JOINER

public static final InternalUtils.Joiner SPACE_JOINER

A InternalUtils.Joiner for joining strings into a single string delimited by a space character.

WHITESPACE_SPLITTER

public static final InternalUtils.Splitter WHITESPACE_SPLITTER

A InternalUtils.Splitter for splitting a string into components by whitespace.

Constructor Details

InternalUtils

public InternalUtils()

Method Details

joiner

public static InternalUtils.Joiner joiner(String delimiter)

Return a lambda for joining Strings or Objects via Object.toString().

Parameters:

delimiter - The delimiter used to join the String components

Returns:

A Joiner (lambda) instance

splitter

public static InternalUtils.Splitter splitter(String regex)

Return a lambda for splitting a string into components

Parameters:

regex - regular expression used to split components

Returns:

A Splitter (lambda) instance

commaJoin

public static String commaJoin(String... strings)

Join strings with ", " skipping nulls

Parameters:

strings - varargs strings

Returns:

A joined string

getUninterruptibly

public static <V> V getUninterruptibly(Future<V> future)
                                throws ExecutionException

Get a future's value uninterruptibly by temporarily ignoring InterruptedException, but making sure we re-set the thread's interrupt status, so higher-level code on the thread can handle the interruption properly. Based upon the Guava implementation.

Type Parameters:

V - type of value

Parameters:

future - future with value to get

Returns:

the value

Throws:

ExecutionException - if the computation through an exception