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 com.google.common.base.Function<String,String>	formatFunction(String formatString)
static com.google.common.io.InputSupplier<BufferedReader>	joinFiles(File... files)
static com.google.common.io.InputSupplier<BufferedReader>	joinFiles(List<File> files)
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

formatFunction

public static com.google.common.base.Function<String,String> formatFunction(String formatString)

joinFiles

public static com.google.common.io.InputSupplier<BufferedReader> joinFiles(File... files)

joinFiles

public static com.google.common.io.InputSupplier<BufferedReader> joinFiles(List<File> files)

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)