org.gjt.sp.jedit.buffer
Class BufferIORequest

java.lang.Object
  org.gjt.sp.util.WorkRequest
      org.gjt.sp.jedit.buffer.BufferIORequest

All Implemented Interfaces:

java.lang.Runnable, ProgressObserver

Direct Known Subclasses:

BufferAutosaveRequest, BufferInsertRequest, BufferLoadRequest, BufferSaveRequest

public abstract class BufferIORequest
extends WorkRequest

A buffer I/O request.

Field Summary

protected Buffer	buffer
static java.lang.String	END_OFFSETS
static java.lang.String	ERROR_OCCURRED Buffer boolean property set when an error occurs.
static int	GZIP_MAGIC_1 Magic numbers used for auto-detecting Unicode and GZIP files.
static int	GZIP_MAGIC_2
static int	IOBUFSIZE Size of I/O buffers.
static java.lang.String	LOAD_DATA
protected java.lang.String	markersPath
static java.lang.String	NEW_PATH
protected java.lang.String	path
static int	PROGRESS_INTERVAL Number of lines per progress increment.
protected java.lang.Object	session
static int	UNICODE_MAGIC_1
static int	UNICODE_MAGIC_2
static int	UTF8_MAGIC_1
static int	UTF8_MAGIC_2
static int	UTF8_MAGIC_3
protected VFS	vfs
protected View	view
static int	XML_PI_LENGTH Length of longest XML PI used for encoding detection.

Constructor Summary

BufferIORequest(View view, Buffer buffer, java.lang.Object session, VFS vfs, java.lang.String path)
Creates a new buffer I/O request.

Method Summary

protected java.io.Reader	autodetect(java.io.InputStream in) Tries to detect if the stream is gzipped, and if it has an encoding specified with an XML PI.
protected SegmentBuffer	read(java.io.Reader in, long length, boolean insert)
java.lang.String	toString()
protected void	write(Buffer buffer, java.io.OutputStream _out)

Methods inherited from class org.gjt.sp.util.WorkRequest

setAbortable, setMaximum, setProgressMaximum, setProgressValue, setStatus, setValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Runnable

run

Field Detail

UTF8_MAGIC_1

public static final int UTF8_MAGIC_1

See Also:

Constant Field Values

UTF8_MAGIC_2

public static final int UTF8_MAGIC_2

See Also:

Constant Field Values

UTF8_MAGIC_3

public static final int UTF8_MAGIC_3

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Constant Field Values

GZIP_MAGIC_1

public static final int GZIP_MAGIC_1

Magic numbers used for auto-detecting Unicode and GZIP files.

See Also:

Constant Field Values

GZIP_MAGIC_2

public static final int GZIP_MAGIC_2

See Also:

Constant Field Values

UNICODE_MAGIC_1

public static final int UNICODE_MAGIC_1

See Also:

Constant Field Values

UNICODE_MAGIC_2

public static final int UNICODE_MAGIC_2

See Also:

Constant Field Values

XML_PI_LENGTH

public static final int XML_PI_LENGTH

Length of longest XML PI used for encoding detection.

<?xml version="1.0" encoding="................"?>

See Also:

Constant Field Values

IOBUFSIZE

public static final int IOBUFSIZE

Size of I/O buffers.

See Also:

Constant Field Values

PROGRESS_INTERVAL

public static final int PROGRESS_INTERVAL

Number of lines per progress increment.

See Also:

Constant Field Values

LOAD_DATA

public static final java.lang.String LOAD_DATA

See Also:

Constant Field Values

END_OFFSETS

public static final java.lang.String END_OFFSETS

See Also:

Constant Field Values

NEW_PATH

public static final java.lang.String NEW_PATH

See Also:

Constant Field Values

ERROR_OCCURRED

public static final java.lang.String ERROR_OCCURRED

Buffer boolean property set when an error occurs.

See Also:

Constant Field Values

view

protected View view

buffer

protected Buffer buffer

session

protected java.lang.Object session

vfs

protected VFS vfs

path

protected java.lang.String path

markersPath

protected java.lang.String markersPath

Constructor Detail

BufferIORequest

public BufferIORequest(View view,
                       Buffer buffer,
                       java.lang.Object session,
                       VFS vfs,
                       java.lang.String path)

Creates a new buffer I/O request.

Parameters:

view - The view

buffer - The buffer

session - The VFS session

vfs - The VFS

path - The path

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

autodetect

protected java.io.Reader autodetect(java.io.InputStream in)
                             throws java.io.IOException

Tries to detect if the stream is gzipped, and if it has an encoding specified with an XML PI.

Throws:

java.io.IOException

read

protected SegmentBuffer read(java.io.Reader in,
                             long length,
                             boolean insert)
                      throws java.io.IOException

Throws:

java.io.IOException

write

protected void write(Buffer buffer,
                     java.io.OutputStream _out)
              throws java.io.IOException

Throws:

java.io.IOException