diamondedge.util
Class FileSystem

java.lang.Object
  diamondedge.util.FileSystem

public class FileSystem
extends Object

Constructor Summary

FileSystem()

Method Summary

static void	close()
static void	close(int fileNum)
static int	getAttr(File file) File attributes
static int	getAttr(String pathName)
static String	getBaseName(String path) Return the BaseName from a path
static String	getDriveName(String path) Return drive from a path
static String	getExtensionName(String path) Return the Extension from a path
static Date	getFileDateTime(String pathName)
static int	getFileLen(int fileNum) returns the length of the file
static int	getFileLen(String pathName) returns the length of the file
static int	getFileLoc(int fileNum) returns the location (file position) in the input file
static int	getFreeFile()
static InputFile	in(int fileNum)
static boolean	isEOF(int fileNum)
static void	kill(String pathName) Deletes the file
static File	mkDir(String pathName)
static AppendFile	openAppend(String path, int fileNum)
static RandomAccessFile	openFile(String fileName, int openMode)
static RandomAccessFile	openFile(String fileName, String openMode)
static InputFile	openInput(String path, int fileNum)
static OutputFile	openOutput(String path, int fileNum)
static OutputFile	out(int fileNum)
static String	readString(RandomAccessFile file, int nChars)
static void	rmDir(String pathName)
static int	seek(int fileNum) Returns aLong specifying the current read/write position within a file opened using the Open statement.
static void	seek(int fileNum, int pos) Sets the position for the next read/write operation within a file opened using the Open statement.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSystem

public FileSystem()

Method Detail

getFreeFile

public static int getFreeFile()

in

public static InputFile in(int fileNum)

out

public static OutputFile out(int fileNum)

openInput

public static InputFile openInput(String path,
                                  int fileNum)
                           throws IOException

Throws:

IOException

openOutput

public static OutputFile openOutput(String path,
                                    int fileNum)
                             throws IOException

Throws:

IOException

openAppend

public static AppendFile openAppend(String path,
                                    int fileNum)
                             throws IOException

Throws:

IOException

close

public static void close()
                  throws IOException

Throws:

IOException

close

public static void close(int fileNum)
                  throws IOException

Throws:

IOException

isEOF

public static boolean isEOF(int fileNum)
                     throws IOException

Throws:

IOException

getFileDateTime

public static Date getFileDateTime(String pathName)
                            throws IOException

Throws:

IOException

getFileLen

public static int getFileLen(String pathName)
                      throws IOException

returns the length of the file

Throws:

IOException

kill

public static void kill(String pathName)
                 throws IOException

Deletes the file

Throws:

IOException

getFileLoc

public static int getFileLoc(int fileNum)
                      throws IOException

returns the location (file position) in the input file

Throws:

IOException

getFileLen

public static int getFileLen(int fileNum)
                      throws IOException

returns the length of the file

Throws:

IOException

mkDir

public static File mkDir(String pathName)
                  throws IOException

Throws:

IOException

rmDir

public static void rmDir(String pathName)
                  throws IOException

Throws:

IOException

seek

public static int seek(int fileNum)
                throws IOException

Returns aLong specifying the current read/write position within a file opened using the Open statement.

Throws:

IOException

seek

public static void seek(int fileNum,
                        int pos)
                 throws IOException

Sets the position for the next read/write operation within a file opened using the Open statement.

Throws:

IOException

getDriveName

public static String getDriveName(String path)

Return drive from a path

getBaseName

public static String getBaseName(String path)

Return the BaseName from a path

getExtensionName

public static String getExtensionName(String path)

Return the Extension from a path

getAttr

public static int getAttr(File file)
                   throws IOException

File attributes

Returns:

    Constant Value  Description
    Normal      0   Normal file. No attributes are set.
    ReadOnly    1   Read-only file.
    Hidden      2   Hidden file.
    Directory  16   Folder or directory.

    Following are not supported:
    System      4   System file.
    Volume      8   Disk drive volume label.
    Archive    32   File has changed since last backup.
    Alias      64   Link or shortcut.
    Compressed 128  Compressed file.
Throws:
IOException

getAttr

public static int getAttr(String pathName)
                   throws IOException

Throws:

IOException

readString

public static String readString(RandomAccessFile file,
                                int nChars)
                         throws IOException

Throws:

IOException

openFile

public static RandomAccessFile openFile(String fileName,
                                        String openMode)
                                 throws IOException

Parameters:

openMode -

      r  Open a file for reading only. You can't write to this file.
      rw Open a file for writing.
Throws:
IOException

openFile

public static RandomAccessFile openFile(String fileName,
                                        int openMode)
                                 throws IOException

Parameters:

openMode -

      1 Open a file for reading only. You can't write to this file.
      2 Open a file for writing.
      8 Open a file and write to the end of the file.
Throws:
IOException