Package com.backblaze.b2.util
Class B2InputStreamExcerpt
- java.lang.Object
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- java.io.InputStream
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- com.backblaze.b2.util.B2InputStreamExcerpt
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- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
public class B2InputStreamExcerpt extends java.io.InputStream
B2InputStreamExcerpt is a stream that provides the contents of an underlying stream starting from the start'th byte and continuing up to and including the (start + length - 1)'th byte. It relies on skip() working and working efficiently. It does NOT support mark/reset. If it throws an exception at any point, its state becomes undefined and you should stop using it. THREAD-SAFETY: this class is NOT thread-safe on its own.
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Constructor Summary
Constructors Constructor Description B2InputStreamExcerpt(java.io.InputStream inputStream, long start, long length)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
available()
void
close()
long
getExcerptLength()
long
getExcerptStart()
int
read()
int
read(byte[] b)
int
read(byte[] b, int off, int len)
long
skip(long n)
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Method Detail
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read
public int read() throws java.io.IOException
- Specified by:
read
in classjava.io.InputStream
- Throws:
java.io.IOException
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read
public int read(byte[] b) throws java.io.IOException
- Overrides:
read
in classjava.io.InputStream
- Throws:
java.io.IOException
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read
public int read(byte[] b, int off, int len) throws java.io.IOException
- Overrides:
read
in classjava.io.InputStream
- Throws:
java.io.IOException
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skip
public long skip(long n) throws java.io.IOException
- Overrides:
skip
in classjava.io.InputStream
- Throws:
java.io.IOException
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available
public int available() throws java.io.IOException
- Overrides:
available
in classjava.io.InputStream
- Throws:
java.io.IOException
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close
public void close() throws java.io.IOException
- Specified by:
close
in interfacejava.lang.AutoCloseable
- Specified by:
close
in interfacejava.io.Closeable
- Overrides:
close
in classjava.io.InputStream
- Throws:
java.io.IOException
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getExcerptStart
public long getExcerptStart()
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getExcerptLength
public long getExcerptLength()
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