edu.nmu.os.shell
Class ShellFactoryImplParamParser

java.lang.Object
  |
  +--edu.nmu.os.shell.ShellFactoryImplParamParser

public class ShellFactoryImplParamParser

extends java.lang.Object

Parses a given String array to assist in the construction of a new ShellImpl

Since:

jdk1.4

Version:

0.1, Jan 25, 2003 4:29:14 PM

Author:

Matt Murphy

See Also:

ShellImpl, ShellFactoryImpl

Constructor Summary

ShellFactoryImplParamParser()
Constructs a new ShellFactoryImplParamParser with an empty array

ShellFactoryImplParamParser(java.lang.String[] args)
Constructs a new ShellFactoryImplParamParser

Method Summary

java.lang.String	doHelp() The help message to be printed
java.io.PrintStream	getExitStream() The PrintStream to which exit messages should be printed
java.io.InputStream	getInputStream() The InputStream from which the Shell should read.
protected java.io.InputStream	getInputStream(java.lang.String filename) Converts a file name to an InputStream
protected java.io.PrintStream	getPrintStream(java.lang.String filename) Converts a file name to an PrintStream
java.io.PrintStream	getThrowableStream() The PrintStream to which Throwables should be printed
protected void	setDefaults() Sets the default values for private variables
boolean	shouldDoHelp() Whether or not the help message should be printed

Methods inherited from class java.lang.Object

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

Constructor Detail

ShellFactoryImplParamParser

public ShellFactoryImplParamParser()

Constructs a new ShellFactoryImplParamParser with an empty array

ShellFactoryImplParamParser

public ShellFactoryImplParamParser(java.lang.String[] args)

Constructs a new ShellFactoryImplParamParser

Parameters:

args - the arguments to parse

Method Detail

setDefaults

protected void setDefaults()

Sets the default values for private variables

shouldDoHelp

public boolean shouldDoHelp()

Whether or not the help message should be printed

Returns:

true if the message should be printed

getExitStream

public java.io.PrintStream getExitStream()

The PrintStream to which exit messages should be printed

Returns:

the PrintStream

getThrowableStream

public java.io.PrintStream getThrowableStream()

The PrintStream to which Throwables should be printed

Returns:

the PrintStream

getInputStream

public java.io.InputStream getInputStream()

The InputStream from which the Shell should read.

Returns:

doHelp

public java.lang.String doHelp()

The help message to be printed

Returns:

the help message

getInputStream

protected java.io.InputStream getInputStream(java.lang.String filename)
                                      throws java.io.FileNotFoundException

Converts a file name to an InputStream

Parameters:

filename - the file to read from

Returns:

the InputStream

Throws:

java.io.FileNotFoundException - if the file could not be found

getPrintStream

protected java.io.PrintStream getPrintStream(java.lang.String filename)
                                      throws java.io.FileNotFoundException

Converts a file name to an PrintStream

Parameters:

filename - the file to write to

Returns:

the PrintStream

Throws:

java.io.FileNotFoundException - if the file could not be found