astex
Class FILE

java.lang.Object
  java.io.InputStream
      astex.FILE

All Implemented Interfaces:

java.io.Closeable

public class FILE
extends java.io.InputStream

A class which implements a high performance byte based input stream. Buffering is performed internally. This class is NOT thread safe.

Field Summary

static int	EOF The constant that represents the end of file.
static FILE	err
static FILE	in
static int	MAC
static FILE	out Wrapper allowing write to stdout and stderr.
static int	PC
static FILE	spr
static int	UNIX

Constructor Summary

FILE(java.io.InputStream is)
Constructor that will take an InputStream and create a FILE object that will read from it.

FILE(java.io.OutputStream os)
Constructor for stdout stderr output.

Method Summary

void	close() Close a file object.
boolean	currentLineContains(java.lang.String string, int offset) Does the current line contain the specified string at the specified location.
void	format(char c) Format the char argument.
void	format(double x) Format double.
void	format(long d) Format integer.
void	format(java.lang.String s) Format the String argument.
char	getChar(int offset) Return the specified character from the current line.
java.lang.String	getCurrentLineAsString() Return the current line as a String.
double	getDouble(int f) Synonym for readDoubleFromField.
static java.lang.Exception	getException() Get the exception (if any) that was thrown when FILE.open() was called.
java.lang.String	getField(int f) Get the field as a string.
byte	getFieldChar(int f, int c) Get the specified character from the field.
int	getFieldCount() Return the number of fields on the current line.
int	getFieldLength(int f) Get the start position of the field.
int	getFieldStart(int f) Get the start position of the field.
float	getFloat(int f)
java.io.InputStream	getInputStream() Get the input stream associated with this file.
int	getInteger(int f) Synonym for readIntegerFromField.
int	getLineLength() Return the length of the current line.
static java.lang.String	getRelativePath(java.lang.String path) Try and make path relative to current directory.
java.lang.String	getSubstring(int offset, int length) Return a substring of the current line.
static boolean	getTryFiles()
static java.util.Properties	loadProperties(java.lang.String resource) Convenience method to load a properties file.
static void	main(java.lang.String[] args) Test program for the FILE class.
boolean	nextLine() Advance the FILE object to the next line.
static FILE	open(java.io.File file) Create a FILE object to read from the specified File object.
static FILE	open(java.lang.String resource) Return a FILE object for reading the specified resource.
static FILE	open(java.net.URL url) Create a FILE object to read from the specified URL.
static FILE	openFile(java.lang.String filename) Create a FILE object to read from the specified filename.
static FILE	openURL(java.lang.String urlname) Create a FILE object to read from the specified urlname.
void	print(char c) Print a char.
void	print(int w, int p, double d) Quick print function for floats/doubles.
void	print(int w, long d) Quick print function for ints/long
void	print(java.lang.String s) print function.
void	print(java.lang.String f, char c) Print a formatted char.
void	print(java.lang.String f, double d) Print a formatted double.
void	print(java.lang.String f, double d1, double d2, double d3) Print function for 3 floats/doubles.
void	print(java.lang.String f, long d) Print a formatted integer.
void	print(java.lang.String f, long d1, long d2, long d3) Print function for 3 ints/longs.
void	print(java.lang.String f, java.lang.String s) Print a formatted String.
void	println(java.lang.String s) println function.
int	read() Read a single character.
double	readDouble(int offset, int length) Read a double precision number from the specified region.
static double	readDouble(java.lang.String string) Read a double value from a string.
double	readDoubleFromField(int f) Read a double from the specified field.
static int	readFrom(FILE file) Read the data from the specified FILE object.
int	readInteger(int offset, int length) Read an integer from the current line buffer.
static int	readInteger(java.lang.String string) Read an integer from the specified string.
int	readInteger3(int offset) Specific method for reading a 3 column integer.
int	readIntegerFromField(int f) Read an integer from the specified field.
java.lang.String	readLine() Provide a method that will return the current line as a String.
void	setautoFlush(boolean f) sets the autoFlush flag.
void	setCharactersInBuffer(int i)
static void	setCodeBase(java.net.URL url) Set the docuemnt base.
static void	setDebug(boolean state) Set the debug state.
static void	setDocumentBase(java.net.URL url) Set the docuemnt base.
void	setEolIdentifier(int opsys) Set the eond of line characters explicitily.
void	setOutputStream(java.io.OutputStream os) Set the output stream.
static void	setTryFiles(boolean t)
int	skip(int byteCount) Skip some bytes.
static java.lang.String[]	split(java.lang.String string) Convenience methods for splitting strings into fields.
static java.lang.String[]	split(java.lang.String string, java.lang.String separators) Convenience methods for splitting strings into fields.
static java.lang.String	sprint(java.lang.String f, double d) Return a formatted double as String.
static java.lang.String	sprint(java.lang.String f, long d) Return a formatted long as String.
static java.lang.String	sprint(java.lang.String f, java.lang.String d) Return a formatted String as String.
static boolean	stringIsURL(java.lang.String resource) Does the resource look like it is a URL?
void	ungetc(int c) unget a single character.
static FILE	write(java.lang.String file) Opens outputstream for writing.

Methods inherited from class java.io.InputStream

available, mark, markSupported, read, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

EOF

public static int EOF

The constant that represents the end of file.

out

public static FILE out

Wrapper allowing write to stdout and stderr.

err

public static FILE err

in

public static FILE in

spr

public static FILE spr

UNIX

public static final int UNIX

See Also:

Constant Field Values

PC

public static final int PC

See Also:

Constant Field Values

MAC

public static final int MAC

See Also:

Constant Field Values

Constructor Detail

FILE

public FILE(java.io.OutputStream os)

Constructor for stdout stderr output.

FILE

public FILE(java.io.InputStream is)

Constructor that will take an InputStream and create a FILE object that will read from it.

Method Detail

setautoFlush

public void setautoFlush(boolean f)

sets the autoFlush flag.

sprint

public static java.lang.String sprint(java.lang.String f,
                                      double d)

Return a formatted double as String.

sprint

public static java.lang.String sprint(java.lang.String f,
                                      long d)

Return a formatted long as String.

sprint

public static java.lang.String sprint(java.lang.String f,
                                      java.lang.String d)

Return a formatted String as String.

print

public void print(char c)

Print a char.

print

public void print(int w,
                  int p,
                  double d)

Quick print function for floats/doubles.

print

public void print(int w,
                  long d)

Quick print function for ints/long

print

public void print(java.lang.String f,
                  double d1,
                  double d2,
                  double d3)

Print function for 3 floats/doubles.

print

public void print(java.lang.String f,
                  long d1,
                  long d2,
                  long d3)

Print function for 3 ints/longs.

print

public void print(java.lang.String s)

print function. No formatting.

println

public void println(java.lang.String s)

println function. No formatting adds eol.

print

public void print(java.lang.String f,
                  java.lang.String s)

Print a formatted String.

print

public void print(java.lang.String f,
                  char c)

Print a formatted char.

print

public void print(java.lang.String f,
                  long d)

Print a formatted integer.

print

public void print(java.lang.String f,
                  double d)

Print a formatted double.

format

public void format(java.lang.String s)

Format the String argument.

format

public void format(long d)

Format integer.

format

public void format(double x)

Format double.

format

public void format(char c)

Format the char argument.

setOutputStream

public void setOutputStream(java.io.OutputStream os)

Set the output stream.

setEolIdentifier

public void setEolIdentifier(int opsys)

Set the eond of line characters explicitily.

write

public static FILE write(java.lang.String file)

Opens outputstream for writing.

setTryFiles

public static void setTryFiles(boolean t)

getTryFiles

public static boolean getTryFiles()

setDebug

public static void setDebug(boolean state)

Set the debug state.

setDocumentBase

public static void setDocumentBase(java.net.URL url)

Set the docuemnt base.

setCodeBase

public static void setCodeBase(java.net.URL url)

Set the docuemnt base.

getException

public static java.lang.Exception getException()

Get the exception (if any) that was thrown when FILE.open() was called.

getInputStream

public java.io.InputStream getInputStream()

Get the input stream associated with this file.

setCharactersInBuffer

public void setCharactersInBuffer(int i)

read

public int read()

Read a single character.

Specified by:

read in class java.io.InputStream

skip

public int skip(int byteCount)

Skip some bytes.

ungetc

public void ungetc(int c)

unget a single character.

getLineLength

public int getLineLength()

Return the length of the current line.

nextLine

public boolean nextLine()

Advance the FILE object to the next line. A return value of EOF indicates that there are no more lines.

readLine

public java.lang.String readLine()

Provide a method that will return the current line as a String. This has the same functionality as the BufferedReader readLine() method. There is no need to use this at all.

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getCurrentLineAsString

public java.lang.String getCurrentLineAsString()

Return the current line as a String.

getChar

public char getChar(int offset)

Return the specified character from the current line.

currentLineContains

public boolean currentLineContains(java.lang.String string,
                                   int offset)

Does the current line contain the specified string at the specified location.

getSubstring

public java.lang.String getSubstring(int offset,
                                     int length)

Return a substring of the current line.

readInteger

public int readInteger(int offset,
                       int length)

Read an integer from the current line buffer.

readInteger3

public int readInteger3(int offset)

Specific method for reading a 3 column integer.

readDouble

public double readDouble(int offset,
                         int length)

Read a double precision number from the specified region.

getFieldCount

public int getFieldCount()

Return the number of fields on the current line.

getFieldStart

public int getFieldStart(int f)

Get the start position of the field.

getFieldLength

public int getFieldLength(int f)

Get the start position of the field.

getField

public java.lang.String getField(int f)

Get the field as a string.

getFieldChar

public byte getFieldChar(int f,
                         int c)

Get the specified character from the field.

getRelativePath

public static java.lang.String getRelativePath(java.lang.String path)

Try and make path relative to current directory.

open

public static FILE open(java.lang.String resource)

Return a FILE object for reading the specified resource. If the resource looks like it is a URL name (begins with something like 'http:' or 'ftp:') then an attempt will be made to open it as a URL. Otherwise the resource will be opened as a file.

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stringIsURL

public static boolean stringIsURL(java.lang.String resource)

Does the resource look like it is a URL?

open

public static FILE open(java.io.File file)

Create a FILE object to read from the specified File object.

openFile

public static FILE openFile(java.lang.String filename)

Create a FILE object to read from the specified filename.

openURL

public static FILE openURL(java.lang.String urlname)

Create a FILE object to read from the specified urlname.

open

public static FILE open(java.net.URL url)

Create a FILE object to read from the specified URL.

close

public void close()

Close a file object. This also closes the underlying InputStream. Returns true if there is a problem closing the FILE.

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.io.InputStream

loadProperties

public static java.util.Properties loadProperties(java.lang.String resource)

Convenience method to load a properties file.

getInteger

public int getInteger(int f)

Synonym for readIntegerFromField.

getFloat

public float getFloat(int f)

getDouble

public double getDouble(int f)

Synonym for readDoubleFromField.

readIntegerFromField

public int readIntegerFromField(int f)

Read an integer from the specified field.

readDoubleFromField

public double readDoubleFromField(int f)

Read a double from the specified field.

readInteger

public static int readInteger(java.lang.String string)

Read an integer from the specified string.

readDouble

public static double readDouble(java.lang.String string)

Read a double value from a string.

split

public static java.lang.String[] split(java.lang.String string)

Convenience methods for splitting strings into fields.

split

public static java.lang.String[] split(java.lang.String string,
                                       java.lang.String separators)

Convenience methods for splitting strings into fields.

main

public static void main(java.lang.String[] args)

Test program for the FILE class.

readFrom

public static int readFrom(FILE file)

Read the data from the specified FILE object.