Package nl.nikhef.jgridstart.osutils

Class PrivateFileWriter

java.lang.Object

java.io.Writer

java.io.OutputStreamWriter

java.io.FileWriter

nl.nikhef.jgridstart.osutils.PrivateFileWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

Direct Known Subclasses:

TempFileWriter

public class PrivateFileWriter
extends FileWriter

FileWriter that writes to a file that is accessible only to the user.

Author:

wvengen

Field Summary

Fields

Modifier and Type	Field	Description
protected static Logger	logger

Fields inherited from class java.io.Writer

lock

Constructor Summary

Constructors

Constructor	Description
PrivateFileWriter(File f)	Create a FileWriter that writes to a file with permissions so that only the user has access to its contents.

Method Summary

Modifier and Type	Method	Description
boolean	delete()
protected void	ensurePermissions()
File	getFile()	Return the associated File object
OutputStream	getOutputStream()	Returns an output stream for this writer.
String	getPath()	Return pathname string.
void	write(char[] cbuf)
void	write(char[] cbuf, int off, int len)
void	write(int c)
void	write(String str)
void	write(String str, int off, int len)

Methods inherited from class java.lang.Object

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

Methods inherited from class java.io.OutputStreamWriter

append, append, close, flush, getEncoding

Methods inherited from class java.io.Writer

append

Field Detail

logger

protected static Logger logger

Constructor Detail

PrivateFileWriter

public PrivateFileWriter(File f)
                  throws IOException

Create a FileWriter that writes to a file with permissions so that only the user has access to its contents.

Throws:

IOException

Method Detail

getPath

public String getPath()

Return pathname string. See File.getPath() for details.

getFile

public File getFile()

Return the associated File object

write

public void write(char[] cbuf)
           throws IOException

Overrides:

write in class Writer

Throws:

IOException

write

public void write(char[] cbuf,
                  int off,
                  int len)
           throws IOException

Overrides:

write in class OutputStreamWriter

Throws:

IOException

write

public void write(int c)
           throws IOException

Overrides:

write in class OutputStreamWriter

Throws:

IOException

write

public void write(String str)
           throws IOException

Overrides:

write in class Writer

Throws:

IOException

write

public void write(String str,
                  int off,
                  int len)
           throws IOException

Overrides:

write in class OutputStreamWriter

Throws:

IOException

ensurePermissions

protected void ensurePermissions()

delete

public boolean delete()

getOutputStream

public OutputStream getOutputStream()

Returns an output stream for this writer. While Java 1.6 accepts a FileWriter mostly, older versions still need an OutputStream in some places, e.g. like Properties.store(). TODO verify encoding; Properties.store() uses iso8859-1 but double check