Package com.google.common.base

Class Platform

java.lang.Object

com.google.common.base.Platform

final class Platform
extends java.lang.Object

Methods factored out so that they can be emulated differently in GWT.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	Platform.JdkPatternCompiler

Field Summary

Fields

Modifier and Type	Field	Description
private static java.util.logging.Logger	logger
private static PatternCompiler	patternCompiler

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Platform()

Method Summary

Modifier and Type	Method	Description
(package private) static void	checkGwtRpcEnabled()
(package private) static CommonPattern	compilePattern(java.lang.String pattern)
(package private) static java.lang.String	emptyToNull(java.lang.String string)	Returns the string if it is not empty, or a null string otherwise.
(package private) static java.lang.String	formatCompact4Digits(double value)
(package private) static <T extends java.lang.Enum<T>> Optional<T>	getEnumIfPresent(java.lang.Class<T> enumClass, java.lang.String value)
private static PatternCompiler	loadPatternCompiler()
private static void	logPatternCompilerError(java.util.ServiceConfigurationError e)
(package private) static java.lang.String	nullToEmpty(java.lang.String string)	Returns the string if it is not null, or an empty string otherwise.
(package private) static boolean	patternCompilerIsPcreLike()
(package private) static CharMatcher	precomputeCharMatcher(CharMatcher matcher)
(package private) static boolean	stringIsNullOrEmpty(java.lang.String string)
(package private) static long	systemNanoTime()	Calls System.nanoTime().

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final java.util.logging.Logger logger

patternCompiler

private static final PatternCompiler patternCompiler

Constructor Detail

Platform

private Platform()

Method Detail

systemNanoTime

static long systemNanoTime()

Calls System.nanoTime().

precomputeCharMatcher

static CharMatcher precomputeCharMatcher(CharMatcher matcher)

getEnumIfPresent

static <T extends java.lang.Enum<T>> Optional<T> getEnumIfPresent(java.lang.Class<T> enumClass,
                                                                  java.lang.String value)

formatCompact4Digits

static java.lang.String formatCompact4Digits(double value)

stringIsNullOrEmpty

static boolean stringIsNullOrEmpty(@CheckForNull
                                   java.lang.String string)

nullToEmpty

static java.lang.String nullToEmpty(@CheckForNull
                                    java.lang.String string)

Returns the string if it is not null, or an empty string otherwise.

Parameters:

string - the string to test and possibly return

Returns:

string if it is not null; "" otherwise

emptyToNull

@CheckForNull
static java.lang.String emptyToNull(@CheckForNull
                                    java.lang.String string)

Returns the string if it is not empty, or a null string otherwise.

Parameters:

string - the string to test and possibly return

Returns:

string if it is not empty; null otherwise

compilePattern

static CommonPattern compilePattern(java.lang.String pattern)

patternCompilerIsPcreLike

static boolean patternCompilerIsPcreLike()

loadPatternCompiler

private static PatternCompiler loadPatternCompiler()

logPatternCompilerError

private static void logPatternCompilerError(java.util.ServiceConfigurationError e)

checkGwtRpcEnabled

static void checkGwtRpcEnabled()