cx.ath.matthew.io

Class ExecOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

cx.ath.matthew.io.ExecOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class ExecOutputStream
extends FilterOutputStream

Class to pipe an OutputStream through a command using stdin/stdout. E.g.

    Writer w = new OutputStreamWriter(new ExecOutputStream(new FileOutputStream("file"), "command"));
 

Field Summary

Fields

Modifier and Type	Field and Description
private InOutCopier	copy
private Process	proc
private OutputStream	stdin
private InputStream	stdout

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Constructor and Description
ExecOutputStream(OutputStream os, Process p) Create a new ExecOutputStream on the given OutputStream using the process to filter the stream.
ExecOutputStream(OutputStream os, String cmd) Create a new ExecOutputStream on the given OutputStream using the process to filter the stream.
ExecOutputStream(OutputStream os, String[] cmd) Create a new ExecOutputStream on the given OutputStream using the process to filter the stream.
ExecOutputStream(OutputStream os, String[] cmd, String[] env) Create a new ExecOutputStream on the given OutputStream using the process to filter the stream.
ExecOutputStream(OutputStream os, String cmd, String[] env) Create a new ExecOutputStream on the given OutputStream using the process to filter the stream.

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
void	finalize()
void	flush()
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class java.lang.Object

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

Field Detail

proc

private Process proc

stdout

private InputStream stdout

stdin

private OutputStream stdin

copy

private InOutCopier copy

Constructor Detail

ExecOutputStream

public ExecOutputStream(OutputStream os,
                Process p)
                 throws IOException

Create a new ExecOutputStream on the given OutputStream using the process to filter the stream.

Parameters:

os - Writes to this OutputStream

p - Filters data through stdin/out on this Process

Throws:

IOException

ExecOutputStream

public ExecOutputStream(OutputStream os,
                String cmd)
                 throws IOException

Create a new ExecOutputStream on the given OutputStream using the process to filter the stream.

Parameters:

os - Writes to this OutputStream

cmd - Creates a Process from this string to filter data through stdin/out

Throws:

IOException

ExecOutputStream

public ExecOutputStream(OutputStream os,
                String[] cmd)
                 throws IOException

Create a new ExecOutputStream on the given OutputStream using the process to filter the stream.

Parameters:

os - Writes to this OutputStream

cmd - Creates a Process from this string array (command, arg, ...) to filter data through stdin/out

Throws:

IOException

ExecOutputStream

public ExecOutputStream(OutputStream os,
                String cmd,
                String[] env)
                 throws IOException

Create a new ExecOutputStream on the given OutputStream using the process to filter the stream.

Parameters:

os - Writes to this OutputStream

cmd - Creates a Process from this string to filter data through stdin/out

env - Setup the environment for the command

Throws:

IOException

ExecOutputStream

public ExecOutputStream(OutputStream os,
                String[] cmd,
                String[] env)
                 throws IOException

Create a new ExecOutputStream on the given OutputStream using the process to filter the stream.

Parameters:

os - Writes to this OutputStream

cmd - Creates a Process from this string array (command, arg, ...) to filter data through stdin/out

env - Setup the environment for the command

Throws:

IOException

Method Detail

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class FilterOutputStream

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Overrides:

flush in class FilterOutputStream

Throws:

IOException

write

public void write(byte[] b)
           throws IOException

Overrides:

write in class FilterOutputStream

Throws:

IOException

write

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

Overrides:

write in class FilterOutputStream

Throws:

IOException

write

public void write(int b)
           throws IOException

Overrides:

write in class FilterOutputStream

Throws:

IOException

finalize

public void finalize()

Overrides:

finalize in class Object