Package org.apache.jackrabbit.util
Class LazyFileInputStream
- java.lang.Object
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- java.io.InputStream
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- org.apache.jackrabbit.util.LazyFileInputStream
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- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
public class LazyFileInputStream extends java.io.InputStream
This Class implements an InputStream that provides the same functionality as aFileInputStream
but opens the file by the first file access.
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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 fdObj)
Creates a newLazyFileInputStream
for the given file desciptor.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()
void
open()
Opens the underlying file input stream in neccessairy.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 unreadably, a FileNotFoundException is thrown.- Parameters:
file
-- Throws:
java.io.FileNotFoundException
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LazyFileInputStream
public LazyFileInputStream(java.io.FileDescriptor fdObj)
Creates a newLazyFileInputStream
for the given file desciptor.- Parameters:
fdObj
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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 unreadably, a FileNotFoundException is thrown.- Parameters:
name
-- Throws:
java.io.FileNotFoundException
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Method Detail
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open
public void open() throws java.io.IOException
Opens the underlying file input stream in neccessairy.- Throws:
java.io.IOException
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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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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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reset
public void reset() throws java.io.IOException
- Overrides:
reset
in classjava.io.InputStream
- Throws:
java.io.IOException
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markSupported
public boolean markSupported()
- Overrides:
markSupported
in classjava.io.InputStream
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mark
public void mark(int readlimit)
- Overrides:
mark
in classjava.io.InputStream
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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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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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