org.apache.camel.util
Class ExpressionHelper

java.lang.Object
  org.apache.camel.util.ExpressionHelper

public final class ExpressionHelper
extends Object

A collection of helper methods for working with expressions.

Version:

$Revision: 687515 $

Method Summary

static <E extends Exchange> String	evaluateAsString(Expression<E> expression, E exchange) Evaluates the given expression on the exchange as a String value
static <T,E extends Exchange> T	evaluateAsType(Expression<E> expression, E exchange, Class<T> resultType) Evaluates the given expression on the exchange, converting the result to the given type

Methods inherited from class java.lang.Object

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

Method Detail

evaluateAsString

public static <E extends Exchange> String evaluateAsString(Expression<E> expression,
                                                           E exchange)

Evaluates the given expression on the exchange as a String value

Parameters:

expression - the expression to evaluate

exchange - the exchange to use to evaluate the expression

Returns:

the result of the evaluation as a string.

evaluateAsType

public static <T,E extends Exchange> T evaluateAsType(Expression<E> expression,
                                                      E exchange,
                                                      Class<T> resultType)

Evaluates the given expression on the exchange, converting the result to the given type

Parameters:

expression - the expression to evaluate

exchange - the exchange to use to evaluate the expression

resultType - the type of the result that is required

Returns:

the result of the evaluation as the specified type.