edu.udo.cs.yale.tools
Class ParameterService

java.lang.Object
  edu.udo.cs.yale.tools.ParameterService

public class ParameterService
extends java.lang.Object

This class loads the yalrc property files and provides methods to access them. It also provides methods to create files relative to the yale home directory. As the getProperty(String) method throws an exception if the parameter is not set, the System.getProperty(String) methods should be used if this is not desired.

Version:

$Id: ParameterService.java,v 2.19 2006/03/21 15:35:53 ingomierswa Exp $

Author:

Simon Fischer, Ingo Mierswa

Constructor Summary

ParameterService()

Method Summary

static boolean	booleanValue(java.lang.String value, boolean deflt) Returns true if value is "true", "yes", "y" or "on".
static void	ensureYaleHomeSet() Tries to find the yale.home directory if the property is not set and sets it.
static java.io.File	getConfigFile(java.lang.String name)
static java.io.File	getLibraryFile(java.lang.String name)
static java.io.File	getPluginDir()
static java.lang.String	getProperty(java.lang.String key) Returns a system property and throws a runtime exception if the property is not set.
static java.io.File	getResourceFile(java.lang.String name)
static java.io.File	getSourceFile(java.lang.String filename)
static java.io.File	getUserConfigFile(java.lang.String name)
static java.io.File	getUserYaleDir()
static java.io.File	getYaleHome()
static void	init() Registers the operators and reads the rc file.
private static void	loadAllRCFiles(java.lang.String rcFileName)
private static void	loadRCFile()
private static void	loadRCFile(java.lang.String rcFileName)

Methods inherited from class java.lang.Object

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

Constructor Detail

ParameterService

public ParameterService()

Method Detail

ensureYaleHomeSet

public static void ensureYaleHomeSet()

Tries to find the yale.home directory if the property is not set and sets it.

init

public static void init()

Registers the operators and reads the rc file.

getUserConfigFile

public static java.io.File getUserConfigFile(java.lang.String name)

getUserYaleDir

public static java.io.File getUserYaleDir()

loadRCFile

private static void loadRCFile()

loadAllRCFiles

private static void loadAllRCFiles(java.lang.String rcFileName)

loadRCFile

private static void loadRCFile(java.lang.String rcFileName)

getProperty

public static java.lang.String getProperty(java.lang.String key)

Returns a system property and throws a runtime exception if the property is not set.

getYaleHome

public static java.io.File getYaleHome()

getConfigFile

public static java.io.File getConfigFile(java.lang.String name)

getLibraryFile

public static java.io.File getLibraryFile(java.lang.String name)

getResourceFile

public static java.io.File getResourceFile(java.lang.String name)

getSourceFile

public static java.io.File getSourceFile(java.lang.String filename)

getPluginDir

public static java.io.File getPluginDir()

booleanValue

public static boolean booleanValue(java.lang.String value,
                                   boolean deflt)

Returns true if value is "true", "yes", "y" or "on". Returns false if value is "false", "no", "n" or "off". Otherwise returns deflt.