Package org.apache.jackrabbit.core.data
Class LazyFileInputStream
- java.lang.Object
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- java.io.InputStream
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- java.io.FilterInputStream
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- org.apache.commons.io.input.ProxyInputStream
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- org.apache.commons.io.input.AutoCloseInputStream
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- org.apache.jackrabbit.core.data.LazyFileInputStream
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- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
public class LazyFileInputStream extends AutoCloseInputStream
This input stream delays opening the file until the first byte is read, and closes and discards the underlying stream as soon as the end of input has been reached or when the stream is explicitly closed.
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Constructor Summary
Constructors Constructor Description LazyFileInputStream(java.io.File file)
Creates a newLazyFileInputStream
for the given file.LazyFileInputStream(java.io.FileDescriptor fd)
Creates a newLazyFileInputStream
for the given file descriptor.LazyFileInputStream(java.lang.String name)
Creates a newLazyFileInputStream
for the given file.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
available()
void
close()
void
mark(int readlimit)
boolean
markSupported()
int
read()
int
read(byte[] b)
int
read(byte[] b, int off, int len)
void
reset()
long
skip(long n)
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Constructor Detail
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LazyFileInputStream
public LazyFileInputStream(java.io.File file) throws java.io.FileNotFoundException
Creates a newLazyFileInputStream
for the given file. If the file is unreadable, a FileNotFoundException is thrown. The file is not opened until the first byte is read from the stream.- Parameters:
file
- the file- Throws:
java.io.FileNotFoundException
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LazyFileInputStream
public LazyFileInputStream(java.io.FileDescriptor fd)
Creates a newLazyFileInputStream
for the given file descriptor. The file is not opened until the first byte is read from the stream.- Parameters:
fd
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LazyFileInputStream
public LazyFileInputStream(java.lang.String name) throws java.io.FileNotFoundException
Creates a newLazyFileInputStream
for the given file. If the file is unreadable, a FileNotFoundException is thrown.- Parameters:
name
-- Throws:
java.io.FileNotFoundException
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Method Detail
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read
public int read() throws java.io.IOException
- Overrides:
read
in classProxyInputStream
- Throws:
java.io.IOException
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available
public int available() throws java.io.IOException
- Overrides:
available
in classProxyInputStream
- 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 classAutoCloseInputStream
- Throws:
java.io.IOException
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reset
public void reset() throws java.io.IOException
- Overrides:
reset
in classProxyInputStream
- Throws:
java.io.IOException
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markSupported
public boolean markSupported()
- Overrides:
markSupported
in classProxyInputStream
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mark
public void mark(int readlimit)
- Overrides:
mark
in classProxyInputStream
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skip
public long skip(long n) throws java.io.IOException
- Overrides:
skip
in classProxyInputStream
- Throws:
java.io.IOException
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read
public int read(byte[] b) throws java.io.IOException
- Overrides:
read
in classProxyInputStream
- 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 classProxyInputStream
- Throws:
java.io.IOException
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