dw.io
Class FileWriter
Object
dw.io.Writer
dw.io.FileWriter
Convenience class for writing character files.

Files are stored in a shared file system where multiple processes could access the same file. The client code is responsible for ensuring that no more than one process writes to a file at a given time.

Note: when this class is used with sensitive data, be careful in persisting sensitive information to disk.

Properties
lineSeparator  :  String
Get the current line separator (e.g. '\n' or '\r\n'), if no value is set the system default '\n' will be used.
Constructor Summary
FileWriter(file : File)
Constructs the writer for the specified file.
FileWriter(file : File, append : boolean)
Constructs the writer for the specified file.
FileWriter(file : File, encoding : String)
Constructs the writer for the specified file with the specified encoding.
FileWriter(file : File, encoding : String, append : boolean)
Constructs the writer for the specified file with the specified encoding.
Method Summary
close() : void
Closes the writer.
getLineSeparator() : String
Get the current line separator (e.g.
setLineSeparator(lineSeparator : String) : void
Set the line separator (e.g.
writeLine(str : String) : void
Writes the specified line and appends the line separator.
Methods inherited from class Writer
Methods inherited from class Object
Constructor Detail
FileWriter
public FileWriter(file : File)
Constructs the writer for the specified file. Uses "UTF-8" as encoding.

To release system resources, close the writer by calling close().

Parameters:
file - the file object to write to.

FileWriter
public FileWriter(file : File, append : boolean)
Constructs the writer for the specified file. Optional file append mode is supported. Uses "UTF-8" as encoding.

To release system resources, close the writer by calling close().

Parameters:
file - the file object to write to.
append - flag, whether the file should be written in append mode

FileWriter
public FileWriter(file : File, encoding : String)
Constructs the writer for the specified file with the specified encoding.

To release system resources, close the writer by calling close().

Parameters:
file - the file object to write to.
encoding - the character encoding to use.

FileWriter
public FileWriter(file : File, encoding : String, append : boolean)
Constructs the writer for the specified file with the specified encoding. Optional file append mode is supported.

To release system resources, close the writer by calling close().

Parameters:
file - the file object to write to.
encoding - the character encoding to use.
append - flag indicating whether the file should be written in append mode.

Method Detail
close
close() : void
Closes the writer.

getLineSeparator
getLineSeparator() : String
Get the current line separator (e.g. '\n' or '\r\n'), if no value is set the system default '\n' will be used.

setLineSeparator
setLineSeparator(lineSeparator : String) : void
Set the line separator (e.g. '\n' or '\r\n'), if no value is set the system default '\n' will be used.
Parameters:
lineSeparator - that will be written at the end of each line

writeLine
writeLine(str : String) : void
Writes the specified line and appends the line separator.
Parameters:
str - the line to write to the file.

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