Package org.h2.store
Class RangeReader
- java.lang.Object
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- java.io.Reader
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- org.h2.store.RangeReader
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- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
,java.lang.Readable
public final class RangeReader extends java.io.Reader
Reader that reads only a specified range from the source reader.
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Constructor Summary
Constructors Constructor Description RangeReader(java.io.Reader r, long offset, long limit)
Creates new instance of range reader.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
close()
void
mark(int readAheadLimit)
boolean
markSupported()
int
read()
int
read(char[] cbuf, int off, int len)
boolean
ready()
void
reset()
long
skip(long n)
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Constructor Detail
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RangeReader
public RangeReader(java.io.Reader r, long offset, long limit) throws java.io.IOException
Creates new instance of range reader.- Parameters:
r
- source readeroffset
- offset of the rangelimit
- length of the range- Throws:
java.io.IOException
- on I/O exception during seeking to the specified offset
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Method Detail
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read
public int read() throws java.io.IOException
- Overrides:
read
in classjava.io.Reader
- Throws:
java.io.IOException
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read
public int read(char[] cbuf, int off, int len) throws java.io.IOException
- Specified by:
read
in classjava.io.Reader
- Throws:
java.io.IOException
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skip
public long skip(long n) throws java.io.IOException
- Overrides:
skip
in classjava.io.Reader
- Throws:
java.io.IOException
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ready
public boolean ready() throws java.io.IOException
- Overrides:
ready
in classjava.io.Reader
- Throws:
java.io.IOException
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markSupported
public boolean markSupported()
- Overrides:
markSupported
in classjava.io.Reader
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mark
public void mark(int readAheadLimit) throws java.io.IOException
- Overrides:
mark
in classjava.io.Reader
- Throws:
java.io.IOException
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reset
public void reset() throws java.io.IOException
- Overrides:
reset
in classjava.io.Reader
- 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
- Specified by:
close
in classjava.io.Reader
- Throws:
java.io.IOException
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