org.jruby.embed.jsr223

Class Utils

java.lang.Object

org.jruby.embed.jsr223.Utils

public class Utils
extends java.lang.Object

A collection of JSR223 specific utility methods.

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Modifier and Type	Method and Description
private static java.lang.String	adjustKey(java.lang.String key)
(package private) static java.lang.String	getFilename(javax.script.ScriptContext context)
(package private) static int	getLineNumber(javax.script.ScriptContext context) Gets line number value from engine's attribute map.
(package private) static java.lang.Object	getReceiver(javax.script.ScriptContext context) Gets a receiver object from engine's attribute map.
private static java.lang.Object	getReceiverObject(javax.script.ScriptContext context)
private static RubyIO	getRubyIO(Ruby runtime, java.io.Writer writer)
(package private) static boolean	isClearVariablesOn(javax.script.ScriptContext context)
(package private) static boolean	isRubyVariable(ScriptingContainer container, java.lang.String name)
(package private) static boolean	isTerminationOn(javax.script.ScriptContext context)
(package private) static void	postEval(ScriptingContainer container, javax.script.ScriptContext context)
(package private) static void	preEval(ScriptingContainer container, javax.script.ScriptContext context)
private static java.lang.Object	put(ScriptingContainer container, java.lang.Object receiver, java.lang.String key, java.lang.Object value, javax.script.ScriptContext context)
private static void	setErrorWriter(ScriptingContainer container, java.io.Writer writer)
private static void	setWriter(ScriptingContainer container, java.io.Writer writer)
private static boolean	shouldLVarBeDeleted(ScriptingContainer container, java.lang.String key)

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

public Utils()

Method Detail

getLineNumber

static int getLineNumber(javax.script.ScriptContext context)

Gets line number value from engine's attribute map.

Parameters:

context - ScriptContext to be used to the evaluation

Returns:

line number

getReceiver

static java.lang.Object getReceiver(javax.script.ScriptContext context)

Gets a receiver object from engine's attribute map.

Parameters:

context - ScriptContext to be used to the evaluation

Returns:

receiver object or null if the attribute doesn't exist

getFilename

static java.lang.String getFilename(javax.script.ScriptContext context)

isTerminationOn

static boolean isTerminationOn(javax.script.ScriptContext context)

isClearVariablesOn

static boolean isClearVariablesOn(javax.script.ScriptContext context)

preEval

static void preEval(ScriptingContainer container,
                    javax.script.ScriptContext context)

getReceiverObject

private static java.lang.Object getReceiverObject(javax.script.ScriptContext context)

setWriter

private static void setWriter(ScriptingContainer container,
                              java.io.Writer writer)
                       throws java.io.IOException,
                              BadDescriptorException

Throws:

java.io.IOException

BadDescriptorException

setErrorWriter

private static void setErrorWriter(ScriptingContainer container,
                                   java.io.Writer writer)
                            throws java.io.IOException,
                                   BadDescriptorException

Throws:

java.io.IOException

BadDescriptorException

getRubyIO

private static RubyIO getRubyIO(Ruby runtime,
                                java.io.Writer writer)
                         throws java.io.IOException,
                                BadDescriptorException

Throws:

java.io.IOException

BadDescriptorException

postEval

static void postEval(ScriptingContainer container,
                     javax.script.ScriptContext context)

put

private static java.lang.Object put(ScriptingContainer container,
                                    java.lang.Object receiver,
                                    java.lang.String key,
                                    java.lang.Object value,
                                    javax.script.ScriptContext context)

isRubyVariable

static boolean isRubyVariable(ScriptingContainer container,
                              java.lang.String name)

adjustKey

private static java.lang.String adjustKey(java.lang.String key)

shouldLVarBeDeleted

private static boolean shouldLVarBeDeleted(ScriptingContainer container,
                                           java.lang.String key)