readium-shared/org.readium.r2.shared.util.data/CompositeContainer

CompositeContainer

class CompositeContainer<E : Readable>(containers: List<Container<E>>) : Container<E>

Concatenates several containers.

This can be used for example to serve a publication containing both local and remote resources, and more generally to concatenate different content sources.

The containers will be tested in the given order.

Constructors

CompositeContainer

constructor(containers: List<Container<E>>)

constructor(vararg containers: Container<E>)

Properties

entries

open override val entries: Set<Url>

List of all the container entries.

sourceUrl

open val sourceUrl: AbsoluteUrl?

Direct source to this container, when available.

Functions

open override fun close()

Closes this object and releases any resources associated with it. If the object is already closed then invoking this method has no effect.

get

open operator override fun get(url: Url): E?

Returns the entry at the given url or null if there is none.

iterator

open operator override fun iterator(): Iterator<Url>

readDecodeOrNull

inline suspend fun <S> Container<Readable>.readDecodeOrNull(url: Url, decode: (ByteArray) -> Try<S, DecodeError>): S?