Package net.didion.jwnl.princeton.file

Class PrincetonRandomAccessDictionaryFile

java.lang.Object

net.didion.jwnl.dictionary.file.AbstractDictionaryFile

net.didion.jwnl.princeton.file.AbstractPrincetonDictionaryFile

net.didion.jwnl.princeton.file.AbstractPrincetonRandomAccessDictionaryFile

net.didion.jwnl.princeton.file.PrincetonRandomAccessDictionaryFile

All Implemented Interfaces:

DictionaryFile, RandomAccessDictionaryFile

public class PrincetonRandomAccessDictionaryFile
extends AbstractPrincetonRandomAccessDictionaryFile

A RandomAccessDictionaryFile that accesses files named with Princeton's dictionary file naming convention.

Field Summary

Fields

Modifier and Type	Field	Description
private java.io.RandomAccessFile	_file	The random-access file.
protected java.lang.String	_permissions	The file permissions to use when opening a file.
static java.lang.String	READ_ONLY	Read-only file permission.
static java.lang.String	READ_WRITE	Read-write file permission.

Fields inherited from interface net.didion.jwnl.dictionary.file.DictionaryFile

COMMENT_HEADER

Constructor Summary

Constructors

Constructor	Description
PrincetonRandomAccessDictionaryFile()
PrincetonRandomAccessDictionaryFile(java.lang.String path, POS pos, DictionaryFileType fileType)
PrincetonRandomAccessDictionaryFile(java.lang.String path, POS pos, DictionaryFileType fileType, java.lang.String permissions)

Method Summary

Modifier and Type	Method	Description
void	close()	Close the file
long	getFilePointer()	Get the current position of the file pointer.
boolean	isOpen()	Return true if the file is open
long	length()	Get the length, in bytes, of the file
DictionaryFile	newInstance(java.lang.String path, POS pos, DictionaryFileType fileType)	Create a new instance of the dictionary file
protected void	openFile(java.io.File path)	Open the file at path path
int	read()	Read a byte from the file
java.lang.String	readLine()	Read a line from the file
void	seek(long pos)	Go to postion pos in the file.

Methods inherited from class net.didion.jwnl.princeton.file.AbstractPrincetonRandomAccessDictionaryFile

getNextLineOffset, isPreviousLineOffset, setNextLineOffset

Methods inherited from class net.didion.jwnl.princeton.file.AbstractPrincetonDictionaryFile

makeFilename

Methods inherited from class net.didion.jwnl.dictionary.file.AbstractDictionaryFile

getFile, getFileType, getPOS, open

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.didion.jwnl.dictionary.file.DictionaryFile

getFile, getFileType, getPOS, open

Field Detail

READ_ONLY

public static final java.lang.String READ_ONLY

Read-only file permission.

See Also:

Constant Field Values

READ_WRITE

public static final java.lang.String READ_WRITE

Read-write file permission.

See Also:

Constant Field Values

_file

private java.io.RandomAccessFile _file

The random-access file.

_permissions

protected java.lang.String _permissions

The file permissions to use when opening a file.

Constructor Detail

PrincetonRandomAccessDictionaryFile

public PrincetonRandomAccessDictionaryFile()

PrincetonRandomAccessDictionaryFile

public PrincetonRandomAccessDictionaryFile(java.lang.String path,
                                           POS pos,
                                           DictionaryFileType fileType)

PrincetonRandomAccessDictionaryFile

public PrincetonRandomAccessDictionaryFile(java.lang.String path,
                                           POS pos,
                                           DictionaryFileType fileType,
                                           java.lang.String permissions)

Method Detail

newInstance

public DictionaryFile newInstance(java.lang.String path,
                                  POS pos,
                                  DictionaryFileType fileType)

Description copied from interface: DictionaryFile

Create a new instance of the dictionary file

readLine

public java.lang.String readLine()
                          throws java.io.IOException

Description copied from interface: RandomAccessDictionaryFile

Read a line from the file

Throws:

java.io.IOException

seek

public void seek(long pos)
          throws java.io.IOException

Description copied from interface: RandomAccessDictionaryFile

Go to postion pos in the file.

Throws:

java.io.IOException

getFilePointer

public long getFilePointer()
                    throws java.io.IOException

Description copied from interface: RandomAccessDictionaryFile

Get the current position of the file pointer.

Throws:

java.io.IOException

isOpen

public boolean isOpen()

Description copied from interface: DictionaryFile

Return true if the file is open

close

public void close()

Description copied from interface: DictionaryFile

Close the file

openFile

protected void openFile(java.io.File path)
                 throws java.io.IOException

Description copied from class: AbstractDictionaryFile

Open the file at path path

Specified by:

openFile in class AbstractDictionaryFile

Throws:

java.io.IOException

length

public long length()
            throws java.io.IOException

Description copied from interface: RandomAccessDictionaryFile

Get the length, in bytes, of the file

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Description copied from interface: RandomAccessDictionaryFile

Read a byte from the file

Throws:

java.io.IOException