Package software.amazon.awssdk.utils
Class LookaheadInputStream
- java.lang.Object
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- java.io.InputStream
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- java.io.FilterInputStream
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- software.amazon.awssdk.utils.LookaheadInputStream
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- All Implemented Interfaces:
Closeable
,AutoCloseable
public class LookaheadInputStream extends FilterInputStream
A wrapper for anInputStream
that allowspeek()
ing one byte ahead in the stream. This is useful for detecting the end of a stream without actually consuming any data in the process (e.g. so the stream can be passed to another library that doesn't handle end-of-stream as the first byte well).
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Field Summary
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Fields inherited from class java.io.FilterInputStream
in
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Constructor Summary
Constructors Constructor Description LookaheadInputStream(InputStream in)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
available()
void
mark(int readlimit)
int
peek()
int
read()
int
read(byte[] b, int off, int len)
void
reset()
long
skip(long n)
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Methods inherited from class java.io.FilterInputStream
close, markSupported, read
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Constructor Detail
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LookaheadInputStream
public LookaheadInputStream(InputStream in)
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Method Detail
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peek
public int peek() throws IOException
- Throws:
IOException
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read
public int read() throws IOException
- Overrides:
read
in classFilterInputStream
- Throws:
IOException
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read
public int read(byte[] b, int off, int len) throws IOException
- Overrides:
read
in classFilterInputStream
- Throws:
IOException
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skip
public long skip(long n) throws IOException
- Overrides:
skip
in classFilterInputStream
- Throws:
IOException
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available
public int available() throws IOException
- Overrides:
available
in classFilterInputStream
- Throws:
IOException
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mark
public void mark(int readlimit)
- Overrides:
mark
in classFilterInputStream
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reset
public void reset() throws IOException
- Overrides:
reset
in classFilterInputStream
- Throws:
IOException
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