to.etc.util

Class WrappedDatabaseInputStream

java.lang.Object

java.io.InputStream

to.etc.util.WrappedDatabaseInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class WrappedDatabaseInputStream
extends InputStream

An input stream which encapsulates the database resources it is derived from, to allow returning BLOB streams safely. When the stream is closed it also closes all database resources.

Author:

Frits Jalvingh Created on Nov 25, 2010

Constructor Summary

Constructors

Constructor and Description
WrappedDatabaseInputStream(Connection dbc, Statement st, ResultSet rs, InputStream is)

Method Summary

Modifier and Type	Method and Description
int	available()
void	close()
void	mark(int readlimit) Despite the Eclipse warning: do NOT add synchronized - it is wrong.
boolean	markSupported()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
void	reset() Despite the Eclipse warning: do NOT add synchronized - it is wrong.
long	skip(long n)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WrappedDatabaseInputStream

public WrappedDatabaseInputStream(Connection dbc,
                                  Statement st,
                                  ResultSet rs,
                                  InputStream is)

Method Detail

available

public int available()
              throws IOException

Overrides:

available in class InputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class InputStream

Throws:

IOException

mark

public void mark(int readlimit)

Despite the Eclipse warning: do NOT add synchronized - it is wrong.

Overrides:

mark in class InputStream

See Also:

InputStream.mark(int)

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream

read

public int read(byte[] b,
                int off,
                int len)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

reset

public void reset()
           throws IOException

Despite the Eclipse warning: do NOT add synchronized - it is wrong.

Overrides:

reset in class InputStream

Throws:

IOException

See Also:

InputStream.reset()

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException