com.sun.javafx.font

Class FontFileReader

java.lang.Object

com.sun.javafx.font.FontFileReader

All Implemented Interfaces:

FontConstants

class FontFileReader
extends java.lang.Object
implements FontConstants

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	FontFileReader.Buffer

Field Summary

Fields

Modifier and Type	Field and Description
(package private) java.lang.String	filename
(package private) long	filesize
(package private) java.io.RandomAccessFile	raFile
private byte[]	readBuffer
private int	readBufferLen
private static int	READBUFFERSIZE
private int	readBufferStart

Fields inherited from interface com.sun.javafx.font.FontConstants

cmapTag, DIRECTORYENTRYSIZE, DIRECTORYHEADERSIZE, headTag, hheaTag, hmtxTag, maxpTag, nameTag, os_2Tag, ottoTag, postTag, trueTag, ttcfTag, TTCHEADERSIZE, v1ttTag, WOFFDIRECTORYENTRYSIZE, WOFFHEADERSIZE, woffTag

Constructor Summary

Constructors

Constructor and Description
FontFileReader(java.lang.String filename)

Method Summary

Modifier and Type	Method and Description
void	closeFile()
java.lang.String	getFilename()
long	getLength()
boolean	openFile() Opens the file.
FontFileReader.Buffer	readBlock(int offset, int len)
private int	readFromFile(byte[] buffer, long seekPos, int requestedLen) Called internally to readBlock().
void	reset()

Methods inherited from class java.lang.Object

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

Field Detail

filename

java.lang.String filename

filesize

long filesize

raFile

java.io.RandomAccessFile raFile

READBUFFERSIZE

private static final int READBUFFERSIZE

See Also:

Constant Field Values

readBuffer

private byte[] readBuffer

readBufferLen

private int readBufferLen

readBufferStart

private int readBufferStart

Constructor Detail

FontFileReader

public FontFileReader(java.lang.String filename)

Method Detail

getFilename

public java.lang.String getFilename()

openFile

public boolean openFile()
                 throws java.security.PrivilegedActionException

Opens the file.

Returns:

returns true if the file opened, false if the file was opened already or if it failed to open the file.

Throws:

java.security.PrivilegedActionException

closeFile

public void closeFile()
               throws java.io.IOException

Throws:

java.io.IOException

getLength

public long getLength()

reset

public void reset()
           throws java.io.IOException

Throws:

java.io.IOException

readFromFile

private int readFromFile(byte[] buffer,
                         long seekPos,
                         int requestedLen)

Called internally to readBlock(). Don't use directly. Caller must ensure dataLen < buffer length This method will sanity check that you aren't reading past the end of the file.

Returns:

0 if there was a problem, else number of bytes read.

readBlock

public FontFileReader.Buffer readBlock(int offset,
                                       int len)