Package org.robolectric.util

Class Util

java.lang.Object

org.robolectric.util.Util

public class Util
extends Object

Generic collection of utility methods.

Constructor Summary

Constructors

Constructor	Description
Util()

Method Summary

Modifier and Type	Method	Description
static void	copy(InputStream in, OutputStream out)
static File	file(File f, String... pathParts)
static File	file(String... pathParts)
static int	getJavaVersion()	Returns the Java version as an int value.
static List<Integer>	intArrayToList(int[] ints)
static int	parseInt(String valueFor)
static Path	pathFrom(URL localArtifactUrl)
static byte[]	readBytes(InputStream is)	This method consumes an input stream and returns its content, and closes it.
static <T> T[]	reverse(T[] array)
static <T extends Throwable> RuntimeException	sneakyThrow(Throwable t)	Re-throw t (even if it's a checked exception) without requiring a throws declaration.

Methods inherited from class java.lang.Object

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

Constructor Detail

Util

public Util()

Method Detail

getJavaVersion

public static int getJavaVersion()

Returns the Java version as an int value.

Returns:

the Java version as an int value (8, 9, etc.)

copy

public static void copy(InputStream in,
                        OutputStream out)
                 throws IOException

Throws:

IOException

readBytes

public static byte[] readBytes(InputStream is)
                        throws IOException

This method consumes an input stream and returns its content, and closes it.

Parameters:

is - The input stream to read from.

Returns:

The bytes read from the stream.

Throws:

IOException - Error reading from stream.

reverse

public static <T> T[] reverse(T[] array)

file

public static File file(String... pathParts)

file

public static File file(File f,
                        String... pathParts)

pathFrom

public static Path pathFrom(URL localArtifactUrl)

intArrayToList

public static List<Integer> intArrayToList(int[] ints)

parseInt

public static int parseInt(String valueFor)

sneakyThrow

public static <T extends Throwable> RuntimeException sneakyThrow(Throwable t)
                                                          throws T extends Throwable

Re-throw t (even if it's a checked exception) without requiring a throws declaration.

This function declares a return type of RuntimeException but will never actually return a value. This allows you to use it with a throw statement to convince the compiler that the current branch will not complete.

 throw Util.sneakyThrow(new IOException());
 

Adapted from https://www.mail-archive.com/javaposse@googlegroups.com/msg05984.html

Throws:

T extends Throwable