Package com.castlabs.android.downloader

Class TrackIndexConverter

java.lang.Object

com.castlabs.android.downloader.TrackIndexConverter

public class TrackIndexConverter
extends Object

Utility class used to store group and track indices within one integer.

Since:

4.0.0

Constructor Summary

Constructors

Constructor	Description
TrackIndexConverter()

Method Summary

Modifier and Type	Method	Description
static int	toCompositeIndex(int trackGroupIndex, int trackIndex)	Stores group and track indices into the integer value
static int	toTrackFromCompositeIndex(int compositeIndex)	Extracts track index from the given integer value
static int	toTrackGroupFromCompositeIndex(int compositeIndex)	Extracts group index from the given integer value

Methods inherited from class java.lang.Object

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

Constructor Detail

TrackIndexConverter

public TrackIndexConverter()

Method Detail

toTrackGroupFromCompositeIndex

public static int toTrackGroupFromCompositeIndex(int compositeIndex)

Extracts group index from the given integer value

Parameters:

compositeIndex - integer value holding group and track indices

Returns:

group index if the given integer is a valid composite, otherwise C.INDEX_UNSET

toTrackFromCompositeIndex

public static int toTrackFromCompositeIndex(int compositeIndex)

Extracts track index from the given integer value

Parameters:

compositeIndex - integer value holding group and track indices

Returns:

track index if the given integer is a valid composite, otherwise C.INDEX_UNSET

toCompositeIndex

public static int toCompositeIndex(int trackGroupIndex,
                                   int trackIndex)

Stores group and track indices into the integer value

Parameters:

trackGroupIndex - group index

trackIndex - track index

Returns:

composite integer