net.didion.jwnl.dictionary.file

Interface RandomAccessDictionaryFile

All Superinterfaces:

DictionaryFile

All Known Implementing Classes:

AbstractPrincetonRandomAccessDictionaryFile, PrincetonChannelDictionaryFile, PrincetonRandomAccessDictionaryFile

public interface RandomAccessDictionaryFile
extends DictionaryFile

DictionaryFile that reads lines from a random-access text file.

Field Summary

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

COMMENT_HEADER

Method Summary

Modifier and Type	Method and Description
long	getFilePointer() Get the current position of the file pointer.
long	getNextLineOffset() Get the byte offset of the next line (after the position of the file pointer)
boolean	isPreviousLineOffset(long offset) Return true if offset is the previous offset.
long	length() Get the length, in bytes, of the file
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.
void	setNextLineOffset(long previousOffset, long nextOffset) Move the file pointer so that its next line offset is nextOffset

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

close, getFile, getFileType, getPOS, isOpen, newInstance, open

Method Detail

read

int read()
  throws java.io.IOException

Read a byte from the file

Throws:

java.io.IOException

readLine

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

Read a line from the file

Throws:

java.io.IOException

seek

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

Go to postion pos in the file.

Throws:

java.io.IOException

getFilePointer

long getFilePointer()
             throws java.io.IOException

Get the current position of the file pointer.

Throws:

java.io.IOException

length

long length()
     throws java.io.IOException

Get the length, in bytes, of the file

Throws:

java.io.IOException

setNextLineOffset

void setNextLineOffset(long previousOffset,
                       long nextOffset)

Move the file pointer so that its next line offset is nextOffset

isPreviousLineOffset

boolean isPreviousLineOffset(long offset)

Return true if offset is the previous offset.

getNextLineOffset

long getNextLineOffset()

Get the byte offset of the next line (after the position of the file pointer)