Package ch.obermuhlner.scriptengine.java

Class JavaScriptEngine

java.lang.Object

ch.obermuhlner.scriptengine.java.JavaScriptEngine

All Implemented Interfaces:

Compilable, ScriptEngine

public class JavaScriptEngine
extends Object
implements ScriptEngine, Compilable

Script engine to compile and run a Java class on the fly.

Field Summary

Fields

Modifier and Type	Field	Description
private ConstructorStrategy	constructorStrategy
private ScriptContext	context
private ClassLoader	executionClassLoader
private ExecutionStrategyFactory	executionStrategyFactory
private Isolation	isolation
private NameStrategy	nameStrategy

Fields inherited from interface javax.script.ScriptEngine

ARGV, ENGINE, ENGINE_VERSION, FILENAME, LANGUAGE, LANGUAGE_VERSION, NAME

Constructor Summary

Constructors

Constructor	Description
JavaScriptEngine()

Method Summary

Modifier and Type	Method	Description
CompiledScript	compile(Reader reader)
JavaCompiledScript	compile(String script)
Bindings	createBindings()
Object	eval(Reader reader)
Object	eval(Reader reader, Bindings bindings)
Object	eval(Reader reader, ScriptContext context)
Object	eval(String script)
Object	eval(String script, Bindings bindings)
Object	eval(String script, ScriptContext context)
Object	get(String key)
Bindings	getBindings(int scope)
ScriptContext	getContext()
ScriptEngineFactory	getFactory()
void	put(String key, Object value)
private String	readScript(Reader reader)
void	setBindings(Bindings bindings, int scope)
void	setConstructorStrategy(ConstructorStrategy constructorStrategy)	Sets the constructor strategy used to construct a Java instance of a class.
void	setContext(ScriptContext context)
void	setExecutionClassLoader(ClassLoader executionClassLoader)	Sets the ClassLoader used to load and execute the class.
void	setExecutionStrategyFactory(ExecutionStrategyFactory executionStrategyFactory)	Sets the factory for the execution strategy used to execute a method of a class instance.
void	setIsolation(Isolation isolation)	Sets the isolation of the script.
void	setNameStrategy(NameStrategy nameStrategy)	Sets the name strategy used to determine the Java class name from a script.

Methods inherited from class java.lang.Object

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

Field Details

nameStrategy

private NameStrategy nameStrategy

constructorStrategy

private ConstructorStrategy constructorStrategy

executionStrategyFactory

private ExecutionStrategyFactory executionStrategyFactory

isolation

private Isolation isolation

context

private ScriptContext context

executionClassLoader

private ClassLoader executionClassLoader

Constructor Details

JavaScriptEngine

public JavaScriptEngine()

Method Details

setNameStrategy

public void setNameStrategy(NameStrategy nameStrategy)

Sets the name strategy used to determine the Java class name from a script.

Parameters:

nameStrategy - the NameStrategy to use in this script engine

setConstructorStrategy

public void setConstructorStrategy(ConstructorStrategy constructorStrategy)

Sets the constructor strategy used to construct a Java instance of a class.

Parameters:

constructorStrategy - the ConstructorStrategy to use in this script engine

setExecutionStrategyFactory

public void setExecutionStrategyFactory(ExecutionStrategyFactory executionStrategyFactory)

Sets the factory for the execution strategy used to execute a method of a class instance.

Parameters:

executionStrategyFactory - the ExecutionStrategyFactory to use in this script engine

setExecutionClassLoader

public void setExecutionClassLoader(ClassLoader executionClassLoader)

Sets the ClassLoader used to load and execute the class.

Parameters:

executionClassLoader - the execution ClassLoader

setIsolation

public void setIsolation(Isolation isolation)

Sets the isolation of the script.

Parameters:

isolation - the Isolation

getContext

public ScriptContext getContext()

Specified by:

getContext in interface ScriptEngine

setContext

public void setContext(ScriptContext context)

Specified by:

setContext in interface ScriptEngine

createBindings

public Bindings createBindings()

Specified by:

createBindings in interface ScriptEngine

getBindings

public Bindings getBindings(int scope)

Specified by:

getBindings in interface ScriptEngine

setBindings

public void setBindings(Bindings bindings,
 int scope)

Specified by:

setBindings in interface ScriptEngine

put

public void put(String key,
 Object value)

Specified by:

put in interface ScriptEngine

get

public Object get(String key)

Specified by:

get in interface ScriptEngine

eval

public Object eval(Reader reader)
            throws ScriptException

Specified by:

eval in interface ScriptEngine

Throws:

ScriptException

eval

public Object eval(String script)
            throws ScriptException

Specified by:

eval in interface ScriptEngine

Throws:

ScriptException

eval

public Object eval(Reader reader,
 ScriptContext context)
            throws ScriptException

Specified by:

eval in interface ScriptEngine

Throws:

ScriptException

eval

public Object eval(String script,
 ScriptContext context)
            throws ScriptException

Specified by:

eval in interface ScriptEngine

Throws:

ScriptException

eval

public Object eval(Reader reader,
 Bindings bindings)
            throws ScriptException

Specified by:

eval in interface ScriptEngine

Throws:

ScriptException

eval

public Object eval(String script,
 Bindings bindings)
            throws ScriptException

Specified by:

eval in interface ScriptEngine

Throws:

ScriptException

compile

public CompiledScript compile(Reader reader)
                       throws ScriptException

Specified by:

compile in interface Compilable

Throws:

ScriptException

compile

public JavaCompiledScript compile(String script)
                           throws ScriptException

Specified by:

compile in interface Compilable

Throws:

ScriptException

getFactory

public ScriptEngineFactory getFactory()

Specified by:

getFactory in interface ScriptEngine

readScript

private String readScript(Reader reader)
                   throws ScriptException

Throws:

ScriptException