Package javax.el

Examples of javax.el.ELResolver


  public Object invoke(Object base, EvaluationContext ctx, Class[] paramTypes, Object[] paramValues) throws ELException {
    return ReflectionUtil.invokeMethod(base, this.getValue(ctx), paramTypes, paramValues);
  }

  public boolean isReadOnly(Object base, EvaluationContext ctx) throws ELException {
    ELResolver resolver = ctx.getELResolver();
    ctx.setPropertyResolved(false);
    return resolver.isReadOnly(ctx, base, this.getValue(ctx));
  }
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    ctx.setPropertyResolved(false);
    return resolver.isReadOnly(ctx, base, this.getValue(ctx));
  }

  public void setValue(Object base, EvaluationContext ctx, Object value) throws ELException {
    ELResolver resolver = ctx.getELResolver();
    ctx.setPropertyResolved(false);
    resolver.setValue(ctx, base, this.getValue(ctx), value);
  }
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    @SuppressWarnings("unchecked")
    private void initializeProperties(FacesContext facesContext,
                                      ManagedBean beanConfiguration, Object bean)
    {
        ELResolver elResolver = facesContext.getApplication().getELResolver();
        ELContext elContext = facesContext.getELContext();

        for (ManagedProperty property : beanConfiguration.getManagedProperties())
        {
            Object value = null;

            switch (property.getType())
            {
                case ManagedProperty.TYPE_LIST:

                    // JSF 1.1, 5.3.1.3
                    // Call the property getter, if it exists.
                    // If the getter returns null or doesn't exist, create a java.util.ArrayList,
                    // otherwise use the returned Object ...
                    if (PropertyUtils.isReadable(bean, property.getPropertyName()))
                    {
                        value = elResolver.getValue(elContext, bean, property.getPropertyName());
                    }
                   
                    value = value == null ? new ArrayList<Object>() : value;

                    if (value instanceof List)
                    {
                        initializeList(facesContext, property.getListEntries(), (List<Object>)value);

                    }
                    else if (value != null && value.getClass().isArray())
                    {
                        int length = Array.getLength(value);
                        ArrayList<Object> temp = new ArrayList<Object>(length);
                        for (int i = 0; i < length; i++)
                        {
                            temp.add(Array.get(value, i));
                        }
                        initializeList(facesContext, property.getListEntries(), temp);
                        value = Array.newInstance(value.getClass().getComponentType(), temp.size());
                        length = temp.size();

                        for (int i = 0; i < length; i++)
                        {
                            Array.set(value, i, temp.get(i));
                        }
                    }
                    else
                    {
                        value = new ArrayList<Object>();
                        initializeList(facesContext, property.getListEntries(), (List<Object>) value);
                    }

                    break;
                case ManagedProperty.TYPE_MAP:

                    // JSF 1.1, 5.3.1.3
                    // Call the property getter, if it exists.
                    // If the getter returns null or doesn't exist, create a java.util.HashMap,
                    // otherwise use the returned java.util.Map .
                    if (PropertyUtils.isReadable(bean, property.getPropertyName()))
                        value = elResolver.getValue(elContext, bean, property.getPropertyName());
                    value = value == null ? new HashMap<Object, Object>() : value;

                    if (!(value instanceof Map))
                    {
                        value = new HashMap<Object, Object>();
                    }

                    initializeMap(facesContext, property.getMapEntries(), (Map<Object, Object>) value);
                    break;
                case ManagedProperty.TYPE_NULL:
                    break;
                case ManagedProperty.TYPE_VALUE:
                    // check for correct scope of a referenced bean
                    if (!isInValidScope(facesContext, property, beanConfiguration))
                    {
                        throw new FacesException("Property " + property.getPropertyName() +
                                " references object in a scope with shorter lifetime than the target scope " +
                                beanConfiguration.getManagedBeanScope());
                    }
                    value = property.getRuntimeValue(facesContext);
                    break;
            }
           
            Class<?> propertyClass = null;

            if (property.getPropertyClass() == null)
            {
                propertyClass = elResolver.getType(elContext, bean, property.getPropertyName());
            }
            else
            {
                propertyClass = ClassUtils.simpleJavaTypeToClass(property.getPropertyClass());
            }
           
            if (null == propertyClass)
            {
                throw new IllegalArgumentException("unable to find the type of property " + property.getPropertyName());
            }
           
            Object coercedValue = coerceToType(facesContext, value, propertyClass);
            elResolver.setValue(elContext, bean, property.getPropertyName(), coercedValue);
        }
    }
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            }
        });
        service.scheduleWithFixedDelay(new ConversationCleaner(), delay, delay, TimeUnit.MILLISECONDS);

        ELAdaptor elAdaptor = getWebBeansContext().getService(ELAdaptor.class);
        ELResolver resolver = elAdaptor.getOwbELResolver();
        //Application is configured as JSP
        if(getWebBeansContext().getOpenWebBeansConfiguration().isJspApplication())
        {
            logger.log(Level.FINE, "Application is configured as JSP. Adding EL Resolver.");
           
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        Object property = null;
        int propCount = this.jjtGetNumChildren() - 1;
        int i = 1;

        // evaluate any properties before our target
        ELResolver resolver = ctx.getELResolver();
        if (propCount > 1) {
            while (base != null && i < propCount) {
                property = this.children[i].getValue(ctx);
                ctx.setPropertyResolved(false);
                base = resolver.getValue(ctx, base, property);
                i++;
            }
            // if we are in this block, we have more properties to resolve,
            // but our base was null
            if (base == null || property == null) {
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    public Object getValue(EvaluationContext ctx) throws ELException {
        Object base = this.children[0].getValue(ctx);
        int propCount = this.jjtGetNumChildren();
        int i = 1;
        Object property = null;
        ELResolver resolver = ctx.getELResolver();
        while (base != null && i < propCount) {
            property = this.children[i].getValue(ctx);
            if (property == null) {
                return null;
            } else {
                ctx.setPropertyResolved(false);
                base = resolver.getValue(ctx, base, property);
            }
            i++;
        }
        if (!ctx.isPropertyResolved()) {
            throw new PropertyNotFoundException(MessageFactory.get(
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    public void setValue(EvaluationContext ctx, Object value)
            throws ELException {
        Target t = getTarget(ctx);
        ctx.setPropertyResolved(false);
        ELResolver resolver = ctx.getELResolver();

        // coerce to the expected type
        Class<?> targetClass = resolver.getType(ctx, t.base, t.property);
        if (COERCE_TO_ZERO == true
                || !isAssignable(value, targetClass)) {
            value = ELSupport.coerceToType(value, targetClass);
        }
        resolver.setValue(ctx, t.base, t.property, value);
        if (!ctx.isPropertyResolved()) {
            throw new PropertyNotFoundException(MessageFactory.get(
                    "error.resolver.unhandled", t.base, t.property));           
        }
    }
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        Object property = null;
        int propCount = this.jjtGetNumChildren() - 1;
        int i = 1;

        // evaluate any properties before our target
        ELResolver resolver = ctx.getELResolver();
        if (propCount > 1) {
            while (base != null && i < propCount) {
                property = this.children[i].getValue(ctx);
                ctx.setPropertyResolved(false);
                base = resolver.getValue(ctx, base, property);
                i++;
            }
            // if we are in this block, we have more properties to resolve,
            // but our base was null
            if (base == null || property == null) {
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    public Object getValue(EvaluationContext ctx) throws ELException {
        Object base = this.children[0].getValue(ctx);
        int propCount = this.jjtGetNumChildren();
        int i = 1;
        Object property = null;
        ELResolver resolver = ctx.getELResolver();
        while (base != null && i < propCount) {
            property = this.children[i].getValue(ctx);
            if (property == null) {
                return null;
            } else {
                ctx.setPropertyResolved(false);
                base = resolver.getValue(ctx, base, property);
            }
            i++;
        }
        return base;
    }
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    public void setValue(EvaluationContext ctx, Object value)
            throws ELException {
        Target t = getTarget(ctx);
        ctx.setPropertyResolved(false);
        ELResolver resolver = ctx.getELResolver();
        resolver.setValue(ctx, t.base, t.property,
                // coerce to the expected type
                ELSupport.coerceToType(value,
                        resolver.getType(ctx, t.base, t.property)));
    }
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