groovy.util
Class Eval

java.lang.Object
  groovy.util.Eval

public class Eval
extends Object

Allow easy integration from Groovy into Java through convenience methods.

Author:

Dierk Koenig

Constructor Summary

Eval()

Method Summary

static Object	me(String expression)
static Object	me(String symbol, Object object, String expression) evaluate expression and make object available inside the expression as 'symbol'
static Object	x(Object x, String expression) evaluate expression and make x available inside the expression as 'x'
static Object	xy(Object x, Object y, String expression) evaluate expression and make x and y available inside the expression as 'x' and 'y'
static Object	xyz(Object x, Object y, Object z, String expression) evaluate expression and make x,y,z available inside the expression as 'x','y','z'

Methods inherited from class java.lang.Object

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

Constructor Detail

Eval

public Eval()

Method Detail

me

public static Object me(String expression)
                 throws CompilationFailedException

Parameters:

expression - the Groovy expression to evaluate

Returns:

the result of the expression

Throws:

CompilationFailedException - if expression is no proper Groovy

me

public static Object me(String symbol,
                        Object object,
                        String expression)
                 throws CompilationFailedException

evaluate expression and make object available inside the expression as 'symbol'

Parameters:

expression - the Groovy expression to evaluate

Returns:

the result of the expression

Throws:

CompilationFailedException - if expression is no proper Groovy

x

public static Object x(Object x,
                       String expression)
                throws CompilationFailedException

evaluate expression and make x available inside the expression as 'x'

Parameters:

expression - the Groovy expression to evaluate

Returns:

the result of the expression

Throws:

CompilationFailedException - if expression is no proper Groovy

xy

public static Object xy(Object x,
                        Object y,
                        String expression)
                 throws CompilationFailedException

evaluate expression and make x and y available inside the expression as 'x' and 'y'

Parameters:

expression - the Groovy expression to evaluate

Returns:

the result of the expression

Throws:

CompilationFailedException - if expression is no proper Groovy

xyz

public static Object xyz(Object x,
                         Object y,
                         Object z,
                         String expression)
                  throws CompilationFailedException

evaluate expression and make x,y,z available inside the expression as 'x','y','z'

Parameters:

expression - the Groovy expression to evaluate

Returns:

the result of the expression

Throws:

CompilationFailedException - if expression is no proper Groovy