org.openqa.jetty.util

Class IO

java.lang.Object

org.openqa.jetty.util.ThreadPool

org.openqa.jetty.util.IO

All Implemented Interfaces:

Serializable, LifeCycle

public class IO
extends ThreadPool

IO Utilities. Provides stream handling utilities in singleton Threadpool implementation accessed by static members.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.openqa.jetty.util.ThreadPool

ThreadPool.PoolThread

Field Summary

Fields

Modifier and Type	Field and Description
static int	bufferSize
static String	CRLF
static byte[]	CRLF_BYTES

Fields inherited from class org.openqa.jetty.util.ThreadPool

__DAEMON, __PRIORITY

Constructor Summary

Constructors

Constructor and Description
IO()

Method Summary

Methods

Modifier and Type	Method and Description
static void	close(InputStream is) closes an input stream, and logs exceptions
static void	close(OutputStream os) closes an output stream, and logs exceptions
static void	copy(InputStream in, OutputStream out) Copy Stream in to Stream out until EOF or exception.
static void	copy(InputStream in, OutputStream out, long byteCount) Copy Stream in to Stream for byteCount bytes or until EOF or exception.
static void	copy(Reader in, Writer out) Copy Reader to Writer out until EOF or exception.
static void	copy(Reader in, Writer out, long byteCount) Copy Reader to Writer for byteCount bytes or until EOF or exception.
static void	copyThread(InputStream in, OutputStream out) Copy Stream in to Stream out until EOF or exception.
static void	copyThread(Reader in, Writer out) Copy Stream in to Stream out until EOF or exception in own thread
static boolean	delete(File file) Delete File.
static OutputStream	getNullStream()
static Writer	getNullWriter()
void	handle(Object o) Run copy for copyThread()
static IO	instance()
static String	toString(InputStream in) Read input stream to string.

Methods inherited from class org.openqa.jetty.util.ThreadPool

getIdleThreads, getMaxIdleTimeMs, getMaxThreads, getMinThreads, getName, getPoolName, getThreads, getThreadsPriority, isDaemon, isStarted, join, run, setDaemon, setMaxIdleTimeMs, setMaxStopTimeMs, setMaxThreads, setMinThreads, setName, setPoolName, setThreadsPriority, shrink, start, stop, stopJob

Methods inherited from class java.lang.Object

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

Field Detail

CRLF

public static final String CRLF

See Also:

Constant Field Values

CRLF_BYTES

public static final byte[] CRLF_BYTES

bufferSize

public static int bufferSize

Constructor Detail

IO

public IO()

Method Detail

instance

public static IO instance()

copyThread

public static void copyThread(InputStream in,
              OutputStream out)

Copy Stream in to Stream out until EOF or exception. in own thread

copy

public static void copy(InputStream in,
        OutputStream out)
                 throws IOException

Copy Stream in to Stream out until EOF or exception.

Throws:

IOException

copyThread

public static void copyThread(Reader in,
              Writer out)

Copy Stream in to Stream out until EOF or exception in own thread

copy

public static void copy(Reader in,
        Writer out)
                 throws IOException

Copy Reader to Writer out until EOF or exception.

Parameters:

in -

out -

Throws:

IOException

copy

public static void copy(InputStream in,
        OutputStream out,
        long byteCount)
                 throws IOException

Copy Stream in to Stream for byteCount bytes or until EOF or exception.

Parameters:

in -

out -

byteCount -

Throws:

IOException

copy

public static void copy(Reader in,
        Writer out,
        long byteCount)
                 throws IOException

Copy Reader to Writer for byteCount bytes or until EOF or exception.

Throws:

IOException

toString

public static String toString(InputStream in)
                       throws IOException

Read input stream to string.

Throws:

IOException

delete

public static boolean delete(File file)

Delete File. This delete will recursively delete directories - BE CAREFULL

Parameters:

file - The file to be deleted.

handle

public void handle(Object o)

Run copy for copyThread()

Overrides:

handle in class ThreadPool

Parameters:

o - The job to execute.

getNullStream

public static OutputStream getNullStream()

Returns:

An outputstream to nowhere

close

public static void close(InputStream is)

closes an input stream, and logs exceptions

Parameters:

is - the input stream to close

close

public static void close(OutputStream os)

closes an output stream, and logs exceptions

Parameters:

os - the output stream to close

getNullWriter

public static Writer getNullWriter()

Returns:

An writer to nowhere