com.googlecode.aviator.runtime.function

Class FunctionUtils

java.lang.Object

com.googlecode.aviator.runtime.function.FunctionUtils

public class FunctionUtils
extends Object

Function helper

Author:

dennis

Constructor Summary

Constructors

Constructor and Description
FunctionUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static AviatorFunction	getFunction(AviatorObject arg, Map<String,Object> env, int arity) Get a function from env in follow orders: arg value env current evaluator instance.
static Object	getJavaObject(AviatorObject arg, Map<String,Object> env) get a object from env
static Number	getNumberValue(AviatorObject arg1, Map<String,Object> env) Get a number from env.
static String	getStringValue(AviatorObject arg, Map<String,Object> env) Get string value from env.

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionUtils

public FunctionUtils()

Method Detail

getStringValue

public static final String getStringValue(AviatorObject arg,
                    Map<String,Object> env)

Get string value from env.

Parameters:

arg - the var name

env -

Returns:

getJavaObject

public static Object getJavaObject(AviatorObject arg,
                   Map<String,Object> env)

get a object from env

Parameters:

arg - the var name

env -

Returns:

getFunction

public static AviatorFunction getFunction(AviatorObject arg,
                          Map<String,Object> env,
                          int arity)

Get a function from env in follow orders:

• arg value
• env
• current evaluator instance.

Parameters:

arg -

env -

arity -

Returns:

getNumberValue

public static final Number getNumberValue(AviatorObject arg1,
                    Map<String,Object> env)

Get a number from env.

Parameters:

arg1 - the var

env -

Returns: