com.jkristian.cli
Class CommandLine

java.lang.Object
  com.jkristian.cli.CommandLine

Direct Known Subclasses:

JavaCommandLine

public class CommandLine
extends java.lang.Object

A named program and its parameters.

Author:

John Kristian

Field Summary

protected java.util.List

list

Constructor Summary

CommandLine(java.lang.String line)

Method Summary

CommandLine	append(java.lang.String parameter) Add a parameter to the list.
static java.lang.String	enquote(java.lang.String s) Enquote a String if necessary to make it interpreted as a single string by the command line interpreter.
java.lang.Process	exec() Start a process executing this command line.
java.lang.String[]	toArray() Convert the command line to an array.
java.lang.String	toString() Convert the command line to a String suitable for input to the command line interpreter.

Methods inherited from class java.lang.Object

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

Field Detail

list

protected java.util.List list

Constructor Detail

CommandLine

public CommandLine(java.lang.String line)

Parameters:

line - a space-separated list, containing the program name and its parameters. This is parsed by StringTokenizer(line), so parameters cannot be enquoted or contain whitespace.

Method Detail

append

public CommandLine append(java.lang.String parameter)

Add a parameter to the list.

exec

public java.lang.Process exec()
                       throws java.io.IOException

Start a process executing this command line.

Throws:

java.io.IOException

toArray

public java.lang.String[] toArray()

Convert the command line to an array. The first element is the program name; subsequent elements are parameters.

toString

public java.lang.String toString()

Convert the command line to a String suitable for input to the command line interpreter. The program name and/or parameters are enquoted if necessary.

Overrides:

toString in class java.lang.Object

enquote

public static java.lang.String enquote(java.lang.String s)

Enquote a String if necessary to make it interpreted as a single string by the command line interpreter.