io.druid.common.guava

Class GuavaUtils

java.lang.Object

io.druid.common.guava.GuavaUtils

public class GuavaUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
GuavaUtils()

Method Summary

Modifier and Type	Method and Description
static <T extends Enum<T>> T	getEnumIfPresent(Class<T> enumClass, String value) Like Guava's Enums.getIfPresent, with some differences.
static Long	tryParseLong(String string) To fix semantic difference of Longs.tryParse() from Long.parseLong (Longs.tryParse() returns null for '+' started value)

Methods inherited from class java.lang.Object

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

Constructor Detail

GuavaUtils

public GuavaUtils()

Method Detail

tryParseLong

@Nullable
public static Long tryParseLong(@Nullable
                                          String string)

To fix semantic difference of Longs.tryParse() from Long.parseLong (Longs.tryParse() returns null for '+' started value)

getEnumIfPresent

@Nullable
public static <T extends Enum<T>> T getEnumIfPresent(Class<T> enumClass,
                                                               String value)

Like Guava's Enums.getIfPresent, with some differences.

• Returns nullable rather than Optional
• Does not require Guava 12