org.forgerock.script.engine

Class AbstractScriptEngine

java.lang.Object

org.forgerock.script.engine.AbstractScriptEngine

All Implemented Interfaces:

ScriptEngine

Direct Known Subclasses:

GroovyScriptEngineImpl, RhinoScriptEngine

public abstract class AbstractScriptEngine
extends Object
implements ScriptEngine

A NAME does ...

Field Summary

Fields

Modifier and Type	Field and Description
protected Writer	errorWriter This is the writer to be used to output errors from scripts.
protected Reader	reader This is the reader to be used for input from scripts.
protected Writer	writer This is the writer to be used to output from scripts.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractScriptEngine()

Method Summary

Modifier and Type	Method and Description
Object	compileObject(Context context, Object value) {@inheritDoc
Writer	getErrorWriter()
static List<String>	getImports()
protected Object	getNull() Gets the null object representation.
Reader	getReader()
Writer	getWriter()
void	setErrorWriter(Writer writer)
void	setReader(Reader reader)
void	setWriter(Writer writer)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.forgerock.script.engine.ScriptEngine

compileBindings, compileScript, getFactory

Field Detail

writer

protected Writer writer

This is the writer to be used to output from scripts. By default, a PrintWriter based on System.out is used. Accessor methods getWriter, setWriter are used to manage this field.

See Also:

System.out, PrintWriter

errorWriter

protected Writer errorWriter

This is the writer to be used to output errors from scripts. By default, a PrintWriter based on System.err is used. Accessor methods getErrorWriter, setErrorWriter are used to manage this field.

See Also:

System.err, PrintWriter

reader

protected Reader reader

This is the reader to be used for input from scripts. By default, a InputStreamReader based on System.in is used and default charset is used by this reader. Accessor methods getReader, setReader are used to manage this field.

See Also:

System.in, InputStreamReader

Constructor Detail

AbstractScriptEngine

protected AbstractScriptEngine()

Method Detail

getImports

public static List<String> getImports()

getWriter

public Writer getWriter()

See Also:

ScriptContext.getWriter()

getReader

public Reader getReader()

See Also:

ScriptContext.getReader()

setReader

public void setReader(Reader reader)

See Also:

ScriptContext.setReader(java.io.Reader)

setWriter

public void setWriter(Writer writer)

See Also:

ScriptContext.setWriter(java.io.Writer)

getErrorWriter

public Writer getErrorWriter()

See Also:

ScriptContext.getErrorWriter()

setErrorWriter

public void setErrorWriter(Writer writer)

See Also:

ScriptContext.setErrorWriter(java.io.Writer)

compileObject

public Object compileObject(Context context,
                            Object value)

{@inheritDoc

Specified by:

compileObject in interface ScriptEngine

Parameters:

context - A visitor specified parameter.

value - The ScriptContext instance.

Returns:

Returns a visitor specified result.

getNull

protected Object getNull()

Gets the null object representation.

If the null object has special representation in the script scope this method returns with that object.

Returns:

null or representation of null object.