Package com.lucidworks.apollo.util

Class ScriptEngineFactory

java.lang.Object

com.lucidworks.apollo.util.ScriptEngineFactory

public class ScriptEngineFactory
extends Object

Simple static "factory" for Javascript ScriptEngine instances

ScriptEngine#eval is not thread safe, so we need a thread local to avoid synchronization

See: CAMEL-6559

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ScriptEngineFactory.NotReallyCompiledScript

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT_NASHORN_ENGINE
static final String	OPENJDK_NASHORN_ENGINE

Constructor Summary

Constructors

Constructor	Description
ScriptEngineFactory()

Method Summary

Modifier and Type	Method	Description
static CompiledScript	compileScript(ScriptEngine scriptEngine, Function<ScriptEngine,Bindings> bindingsSupplier, String script)
static ScriptEngine	get()
static ScriptEngine	get(String jsEngine)
static CompiledScript	getCompiledScript(ScriptEngine scriptEngine, String script)
static ScriptEngine	getNew(String name)
static ScriptEngine	getNewByExtension(String extension)
static ScriptEngine	getNewByMimeType(String mimeType)
static ScriptEngine	getNewByName(String name)
static String	getWrappedScript(String template, String script, com.fasterxml.jackson.databind.ObjectMapper objectMapper)	Takes in the wrapper template and the script and returns the converted script
static boolean	isCompilable()	Do instances returned by this factory implement Compilable?

Methods inherited from class java.lang.Object

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

Field Details

OPENJDK_NASHORN_ENGINE

public static final String OPENJDK_NASHORN_ENGINE

See Also:

• Constant Field Values

DEFAULT_NASHORN_ENGINE

public static final String DEFAULT_NASHORN_ENGINE

See Also:

• Constant Field Values

Constructor Details

ScriptEngineFactory

public ScriptEngineFactory()

Method Details

getNewByExtension

public static ScriptEngine getNewByExtension(String extension)

getNewByMimeType

public static ScriptEngine getNewByMimeType(String mimeType)

getNew

public static ScriptEngine getNew(String name)

getNewByName

public static ScriptEngine getNewByName(String name)

get

public static ScriptEngine get(String jsEngine)

get

public static ScriptEngine get()

isCompilable

public static boolean isCompilable()

Do instances returned by this factory implement Compilable?

getWrappedScript

public static String getWrappedScript(String template,
 String script,
 com.fasterxml.jackson.databind.ObjectMapper objectMapper)
                               throws Exception

Takes in the wrapper template and the script and returns the converted script

Throws:

Exception

compileScript

public static CompiledScript compileScript(ScriptEngine scriptEngine,
 Function<ScriptEngine,Bindings> bindingsSupplier,
 String script)
                                    throws ScriptException

Throws:

ScriptException

getCompiledScript

public static CompiledScript getCompiledScript(ScriptEngine scriptEngine,
 String script)