Module org.jruby.base

Package org.jruby.embed.util

Class SystemPropertyCatcher

java.lang.Object

org.jruby.embed.util.SystemPropertyCatcher

public class SystemPropertyCatcher
extends Object

Utility methods to retrieve System properties or environment variables to get configuration parameters.

Author:

Yoko Harada <[email protected]>

Constructor Summary

Constructors

Constructor	Description
SystemPropertyCatcher()

Method Summary

Modifier and Type	Method	Description
static String	getBaseDir()	Returns a possible base directory.
static LocalVariableBehavior	getBehavior(LocalVariableBehavior defaultBehavior)	Gets a local variable behavior from System property.
static LocalContextScope	getScope(LocalContextScope defaultScope)	Gets a local context scope from System property.
static boolean	isLazy(boolean defaultLaziness)	Gets a local variable behavior from System property.
static void	setClassLoader(ScriptingContainer container)	Sets classloader based on System property.
static void	setConfiguration(ScriptingContainer container)	Sets configuration parameters given by System properties.

Methods inherited from class java.lang.Object

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

Constructor Details

SystemPropertyCatcher

public SystemPropertyCatcher()

Method Details

getScope

public static LocalContextScope getScope(LocalContextScope defaultScope)

Gets a local context scope from System property. If no value is assigned to PropertyName.LOCALCONTEXT_SCOPE, given default value is applied.

Parameters:

defaultScope - a default scope.

Returns:

one of three local context scopes.

getBehavior

public static LocalVariableBehavior getBehavior(LocalVariableBehavior defaultBehavior)

Gets a local variable behavior from System property. If no value is assigned to PropertyName.LOCALVARIABLE_BEHAVIOR, given default value is applied.

Parameters:

defaultBehavior - a default local variable behavior

Returns:

a local variable behavior

isLazy

public static boolean isLazy(boolean defaultLaziness)

Gets a local variable behavior from System property. If no value is assigned to PropertyName.LOCALVARIABLE_BEHAVIOR, given default value is applied.

Parameters:

defaultLaziness - a default local variable behavior

Returns:

a local variable behavior

setClassLoader

public static void setClassLoader(ScriptingContainer container)

Sets classloader based on System property. This is only used from JRubyEgnineFactory.

Parameters:

container - ScriptingContainer to be set classloader

setConfiguration

public static void setConfiguration(ScriptingContainer container)

Sets configuration parameters given by System properties. Compile mode and Compat version can be set.

Parameters:

container - ScriptingContainer to be set configurations.

getBaseDir

public static String getBaseDir()

Returns a possible base directory. PWD environment variables is looked up first, then user.dir System property second. This directory is used as a default value when base directory is not given.

Returns:

a base directory.