org.jbpm.pvm.internal.script
Class ScriptManager

java.lang.Object
  org.jbpm.pvm.internal.script.ScriptManager

public class ScriptManager
extends java.lang.Object

Author:

Tom Baeyens

Field Summary

protected java.lang.String	defaultExpressionLanguage
protected java.lang.String	defaultScriptLanguage
protected java.lang.String[]	readContextNames
protected javax.script.ScriptEngineManager	scriptEngineManager
protected java.lang.String	writeContextName

Constructor Summary

ScriptManager()

Method Summary

protected java.lang.Object	evaluate(javax.script.ScriptEngine scriptEngine, java.lang.String script)
java.lang.Object	evaluate(java.lang.String script, java.lang.String language) evaluates the script with the given language.
java.lang.Object	evaluateExpression(java.lang.String expression, java.lang.String language)
java.lang.Object	evaluateScript(java.lang.String script, java.lang.String language) evaluates the script with the given language or with the defaultScriptLanguage if the given language is null.
java.lang.String	getDefaultExpressionLanguage()
java.lang.String	getDefaultScriptLanguage()
static ScriptManager	getDefaultScriptManager() looks up the default script manager used for non persistent purposes where no environment is installed.
static ScriptManager	getScriptManager() looks up the configured script manager or returns the default script manager if there is no environment.

Methods inherited from class java.lang.Object

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

Field Detail

defaultExpressionLanguage

protected java.lang.String defaultExpressionLanguage

defaultScriptLanguage

protected java.lang.String defaultScriptLanguage

scriptEngineManager

protected javax.script.ScriptEngineManager scriptEngineManager

readContextNames

protected java.lang.String[] readContextNames

writeContextName

protected java.lang.String writeContextName

Constructor Detail

ScriptManager

public ScriptManager()

Method Detail

getScriptManager

public static ScriptManager getScriptManager()

looks up the configured script manager or returns the default script manager if there is no environment.

getDefaultScriptManager

public static ScriptManager getDefaultScriptManager()

looks up the default script manager used for non persistent purposes where no environment is installed.

evaluateExpression

public java.lang.Object evaluateExpression(java.lang.String expression,
                                           java.lang.String language)

evaluateScript

public java.lang.Object evaluateScript(java.lang.String script,
                                       java.lang.String language)

evaluates the script with the given language or with the defaultScriptLanguage if the given language is null.

evaluate

public java.lang.Object evaluate(java.lang.String script,
                                 java.lang.String language)

evaluates the script with the given language. If script is null, then this method will return null.

Throws:

JbpmException - if language is null.

evaluate

protected java.lang.Object evaluate(javax.script.ScriptEngine scriptEngine,
                                    java.lang.String script)

getDefaultExpressionLanguage

public java.lang.String getDefaultExpressionLanguage()

getDefaultScriptLanguage

public java.lang.String getDefaultScriptLanguage()