org.eclipse.jetty.util

Class IO

java.lang.Object

org.eclipse.jetty.util.IO

public class IO
extends Object

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

Field Summary

Fields

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

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	close(Reader reader) closes a reader, and logs exceptions
static void	close(Writer writer) closes a writer, and logs exceptions
static void	copy(File from, File to) Copy files or directories
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	copyDir(File from, File to)
static void	copyFile(File from, File to)
static boolean	delete(File file) Delete File.
static InputStream	getClosedStream()
static PrintWriter	getNullPrintWriter()
static OutputStream	getNullStream()
static Writer	getNullWriter()
static byte[]	readBytes(InputStream in)
static String	toString(InputStream in) Read input stream to string.
static String	toString(InputStream in, Charset encoding) Read input stream to string.
static String	toString(InputStream in, String encoding) Read input stream to string.
static String	toString(Reader in) Read input stream to string.

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 final int bufferSize

See Also:

Constant Field Values

Constructor Detail

IO

public IO()

Method Detail

copy

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

Copy Stream in to Stream out until EOF or exception.

Throws:

IOException

copy

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

Copy Reader to Writer out until EOF or exception.

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.

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

copy

public static void copy(File from,
        File to)
                 throws IOException

Copy files or directories

Parameters:

from -

to -

Throws:

IOException

copyDir

public static void copyDir(File from,
           File to)
                    throws IOException

Throws:

IOException

copyFile

public static void copyFile(File from,
            File to)
                     throws IOException

Throws:

IOException

toString

public static String toString(InputStream in)
                       throws IOException

Read input stream to string.

Throws:

IOException

toString

public static String toString(InputStream in,
              String encoding)
                       throws IOException

Read input stream to string.

Throws:

IOException

toString

public static String toString(InputStream in,
              Charset encoding)
                       throws IOException

Read input stream to string.

Throws:

IOException

toString

public static String toString(Reader 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.

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(Reader reader)

closes a reader, and logs exceptions

Parameters:

reader - the reader to close

close

public static void close(Writer writer)

closes a writer, and logs exceptions

Parameters:

writer - the writer to close

readBytes

public static byte[] readBytes(InputStream in)
                        throws IOException

Throws:

IOException

close

public static void close(OutputStream os)

closes an output stream, and logs exceptions

Parameters:

os - the output stream to close

getNullStream

public static OutputStream getNullStream()

Returns:

An outputstream to nowhere

getClosedStream

public static InputStream getClosedStream()

Returns:

An outputstream to nowhere

getNullWriter

public static Writer getNullWriter()

Returns:

An writer to nowhere

getNullPrintWriter

public static PrintWriter getNullPrintWriter()

Returns:

An writer to nowhere