Example usage for javax.el ExpressionFactory coerceToType

Introduction

In this page you can find the example usage for javax.el ExpressionFactory coerceToType.

Prototype

public abstract Object coerceToType(Object obj, Class<?> expectedType);

Source Link

Document

Coerce the supplied object to the requested type.

Usage

From source file:com.flexive.faces.FxJsfComponentUtils.java

/**
 * Coerce a value to its type/*from   w ww.  j a v a  2s.c om*/
 *
 * @param context       faces context
 * @param value         value to coerce
 * @param itemValueType value class
 * @return coerced value
 */
public static Object coerceToModelType(FacesContext context, Object value, Class itemValueType) {
    Object newValue;
    try {
        ExpressionFactory ef = context.getApplication().getExpressionFactory();
        newValue = ef.coerceToType(value, itemValueType);
    } catch (ELException ele) {
        newValue = value;
    } catch (IllegalArgumentException iae) {
        newValue = value;
    }
    return newValue;
}

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From source file:org.apache.myfaces.config.ManagedBeanBuilder.java

@SuppressWarnings("unchecked")
public static <T> T coerceToType(FacesContext facesContext, Object value, Class<? extends T> desiredClass) {
    if (value == null) {
        return null;
    }// w ww  .ja  va 2s .  c  om

    try {
        ExpressionFactory expFactory = facesContext.getApplication().getExpressionFactory();
        // Use coersion implemented by JSP EL for consistency with EL
        // expressions. Additionally, it caches some of the coersions.
        return (T) expFactory.coerceToType(value, desiredClass);
    } catch (ELException e) {
        String message = "Cannot coerce " + value.getClass().getName() + " to " + desiredClass.getName();
        log.log(Level.SEVERE, message, e);
        throw new FacesException(message, e);
    }
}

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From source file:org.apache.myfaces.ov2021.config.ManagedBeanBuilder.java

@SuppressWarnings("unchecked")
public static <T> T coerceToType(FacesContext facesContext, Object value, Class<? extends T> desiredClass) {
    if (value == null)
        return null;

    try {//  w w  w  .  ja  v  a  2s .  c  o m
        ExpressionFactory expFactory = facesContext.getApplication().getExpressionFactory();
        // Use coersion implemented by JSP EL for consistency with EL
        // expressions. Additionally, it caches some of the coersions.
        return (T) expFactory.coerceToType(value, desiredClass);
    } catch (ELException e) {
        String message = "Cannot coerce " + value.getClass().getName() + " to " + desiredClass.getName();
        log.log(Level.SEVERE, message, e);
        throw new FacesException(message, e);
    }
}

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