Package com.google.common.hash
Class Funnels
- java.lang.Object
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- com.google.common.hash.Funnels
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static OutputStreamasOutputStream(PrimitiveSink sink)Wraps aPrimitiveSinkas anOutputStream, so it is easy tofunnelan object to aPrimitiveSinkif there is already a way to write the contents of the object to anOutputStream.static Funnel<byte[]>byteArrayFunnel()Returns a funnel that extracts the bytes from abytearray.static Funnel<Integer>integerFunnel()Returns a funnel for integers.static Funnel<Long>longFunnel()Returns a funnel for longs.static <E extends @Nullable Object>
Funnel<Iterable<? extends E>>sequentialFunnel(Funnel<E> elementFunnel)Returns a funnel that processes anIterableby funneling its elements in iteration order with the specified funnel.static Funnel<CharSequence>stringFunnel(Charset charset)Returns a funnel that encodes the characters of aCharSequencewith the specifiedCharset.static Funnel<CharSequence>unencodedCharsFunnel()Returns a funnel that extracts the characters from aCharSequence, a character at a time, without performing any encoding.
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Method Detail
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byteArrayFunnel
public static Funnel<byte[]> byteArrayFunnel()
Returns a funnel that extracts the bytes from abytearray.
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unencodedCharsFunnel
public static Funnel<CharSequence> unencodedCharsFunnel()
Returns a funnel that extracts the characters from aCharSequence, a character at a time, without performing any encoding. If you need to use a specific encoding, usestringFunnel(Charset)instead.- Since:
- 15.0 (since 11.0 as
Funnels.stringFunnel().
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stringFunnel
public static Funnel<CharSequence> stringFunnel(Charset charset)
Returns a funnel that encodes the characters of aCharSequencewith the specifiedCharset.- Since:
- 15.0
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integerFunnel
public static Funnel<Integer> integerFunnel()
Returns a funnel for integers.- Since:
- 13.0
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sequentialFunnel
public static <E extends @Nullable Object> Funnel<Iterable<? extends E>> sequentialFunnel(Funnel<E> elementFunnel)
Returns a funnel that processes anIterableby funneling its elements in iteration order with the specified funnel. No separators are added between the elements.- Since:
- 15.0
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longFunnel
public static Funnel<Long> longFunnel()
Returns a funnel for longs.- Since:
- 13.0
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asOutputStream
public static OutputStream asOutputStream(PrimitiveSink sink)
Wraps aPrimitiveSinkas anOutputStream, so it is easy tofunnelan object to aPrimitiveSinkif there is already a way to write the contents of the object to anOutputStream.The
closeandflushmethods of the returnedOutputStreamdo nothing, and no method throwsIOException.- Since:
- 13.0
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