org.ka2ddo.yaac.bootstrap

Class YAACBootstrap

java.lang.Object

org.ka2ddo.yaac.bootstrap.YAACBootstrap

public class YAACBootstrap
extends java.lang.Object

This is the startup (bootstrap) code for the YAAC program. It accepts the command line arguments to pass to the real YAAC program after it figures out the host operating system and sources for O/S-dependent third party libraries. Only usable on standard JRE environments where the AWT and Swing packages are available.

Author:

Andrew Pavlin, KA2DDO

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	WINDOWS Symbolic name for Microsoft Windows operating systems, associated with OSNAME key in properties table.

Method Summary

Modifier and Type	Method and Description
static void	findJSSCLibrary(java.lang.String javaClassPath) Search for the JSSC library jar to put on the class path if it is not already there.
static java.lang.String	findYAACBaseDir(java.lang.Class<?> yaacBootstrapClass) Find the base directory for the YAAC installation for a given starting class.
static java.io.File	getBaseDir() Get the base directory of the YAAC installation.
static java.lang.String	getJavaExecPath() Find where the executable of the Java VM launcher is, so we can start another Java VM.
static java.net.URL	getJsscURL() Get the URL pointing to where the located JSSC library is stored.
static java.lang.String	getOsName() Get the name of the host operating system.
static void	main(java.lang.String[] args) Launch the YAAC program's bootstrap.

Methods inherited from class java.lang.Object

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

Field Detail

WINDOWS

public static final java.lang.String WINDOWS

Symbolic name for Microsoft Windows operating systems, associated with OSNAME key in properties table.

See Also:

Constant Field Values

Method Detail

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Launch the YAAC program's bootstrap.

Parameters:

args - String array of command-line argument tokens

Throws:

java.lang.Exception - if YAAC could not be invoked for any reason

getJavaExecPath

public static java.lang.String getJavaExecPath()

Find where the executable of the Java VM launcher is, so we can start another Java VM.

Returns:

String absolute path of the java executable, or just "java" if we can't find it

findYAACBaseDir

public static java.lang.String findYAACBaseDir(java.lang.Class<?> yaacBootstrapClass)

Find the base directory for the YAAC installation for a given starting class.

Parameters:

yaacBootstrapClass - Class to locate on the classpath

Returns:

the classpath String for the running instance of YAAC

findJSSCLibrary

public static void findJSSCLibrary(java.lang.String javaClassPath)

Search for the JSSC library jar to put on the class path if it is not already there.

Parameters:

javaClassPath - String of classpath before looking for JSSC

getBaseDir

public static java.io.File getBaseDir()

Get the base directory of the YAAC installation.

Returns:

File of the base directory, or null if the base directory hasn't been found yet

getJsscURL

public static java.net.URL getJsscURL()

Get the URL pointing to where the located JSSC library is stored.

Returns:

URL of JSSC JAR file

getOsName

public static java.lang.String getOsName()

Get the name of the host operating system.

Returns:

String name of operating system, as optimized for known supported O/Ss