Module org.jnrproject.posix

Package jnr.posix.util

Class DefaultPOSIXHandler

java.lang.Object

jnr.posix.util.DefaultPOSIXHandler

All Implemented Interfaces:

POSIXHandler

public class DefaultPOSIXHandler
extends Object
implements POSIXHandler

A POSIXHandler with reasonable default behavior.

Nested Class Summary

Nested classes/interfaces inherited from interface jnr.posix.POSIXHandler

POSIXHandler.WARNING_ID

Constructor Summary

Constructors

Constructor	Description
DefaultPOSIXHandler()

Method Summary

Modifier and Type	Method	Description
void	error(jnr.constants.platform.Errno error, String extraData)
void	error(jnr.constants.platform.Errno error, String methodName, String extraData)
File	getCurrentWorkingDirectory()
String[]	getEnv()
PrintStream	getErrorStream()	Get your runtime's current ErrorStream
InputStream	getInputStream()
PrintStream	getOutputStream()
int	getPID()	Get your runtime's process ID.
boolean	isVerbose()
void	unimplementedError(String methodName)	Specify that posix method is unimplemented.
void	warn(POSIXHandler.WARNING_ID id, String message, Object... data)

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultPOSIXHandler

public DefaultPOSIXHandler()

Method Detail

error

public void error(jnr.constants.platform.Errno error,
                  String extraData)

Specified by:

error in interface POSIXHandler

error

public void error(jnr.constants.platform.Errno error,
                  String methodName,
                  String extraData)

Specified by:

error in interface POSIXHandler

unimplementedError

public void unimplementedError(String methodName)

Description copied from interface: POSIXHandler

Specify that posix method is unimplemented. In JRuby we generate an exception with this.

Specified by:

unimplementedError in interface POSIXHandler

Parameters:

methodName - the POSIX method that failed

warn

public void warn(POSIXHandler.WARNING_ID id,
                 String message,
                 Object... data)

Specified by:

warn in interface POSIXHandler

isVerbose

public boolean isVerbose()

Specified by:

isVerbose in interface POSIXHandler

Returns:

should we provide verbose output about POSIX activities

getCurrentWorkingDirectory

public File getCurrentWorkingDirectory()

Specified by:

getCurrentWorkingDirectory in interface POSIXHandler

Returns:

current working directory of your runtime.

getEnv

public String[] getEnv()

Specified by:

getEnv in interface POSIXHandler

Returns:

current set of environment variables of your runtime.

getInputStream

public InputStream getInputStream()

Specified by:

getInputStream in interface POSIXHandler

Returns:

your runtime's current input stream

getOutputStream

public PrintStream getOutputStream()

Specified by:

getOutputStream in interface POSIXHandler

Returns:

your runtime's current output stream

getPID

public int getPID()

Description copied from interface: POSIXHandler

Get your runtime's process ID. This is only intended for non-native POSIX support (e.g. environments where JNA cannot load or security restricted environments). In JRuby we found a number of packages which would rather have some identity for the runtime than nothing. Note: If you do not want this to work you impl can just call POSIXHandler.unimplementedError(String).

Specified by:

getPID in interface POSIXHandler

Returns:

your runtime's process ID

getErrorStream

public PrintStream getErrorStream()

Description copied from interface: POSIXHandler

Get your runtime's current ErrorStream

Specified by:

getErrorStream in interface POSIXHandler

Returns:

your runtime's current error stream