Example usage for org.apache.wicket.proxy IProxyTargetLocator locateProxyTarget

Introduction

In this page you can find the example usage for org.apache.wicket.proxy IProxyTargetLocator locateProxyTarget.

Prototype

Object locateProxyTarget();

Source Link

Document

Returns the object that will be used as target object for a lazy init proxy.

Usage

From source file:org.jabylon.rest.ui.wicket.injector.OSGiFieldValueFactory.java

License:Open Source License

@Override
public Object getFieldValue(Field field, Object fieldOwner) {
    Object target = null;/*w ww  .j  av a  2  s  .  c  om*/
    Inject injectAnnotation = field.getAnnotation(Inject.class);
    if (!Modifier.isStatic(field.getModifiers()) && injectAnnotation != null) {
        try {

            Class<?> type = field.getType();
            if (!type.isInterface())
                throw new IllegalArgumentException(
                        "Can only inject interfaces, not classes: " + field + " type: " + type);
            boolean isList = isCollection(field);
            if (isList)
                type = extractType(field);

            final IProxyTargetLocator locator = new OSGiProxyTargetLocator(type, isList);

            if (wrapInProxies) {
                target = OSGiProxy.wrap(locator, field.getType());
            } else {
                target = locator.locateProxyTarget();
            }

            if (!field.isAccessible()) {
                field.setAccessible(true);
            }

            field.set(fieldOwner, target);
            return target;
        } catch (IllegalAccessException e) {
            throw new WicketRuntimeException(
                    "Error OSGi-injecting field " + field.getName() + " in " + fieldOwner, e);
        }
    }
    return null;
}

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From source file:org.jabylon.rest.ui.wicket.injector.OSGiProxy.java

License:Open Source License

@Override
public Object apply(IProxyTargetLocator input) {
    return input.locateProxyTarget();
}

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From source file:org.wicketstuff.javaee.injection.JavaEEProxyFieldValueFactory.java

License:Apache License

/**
 * Gets the corresponding object (or its proxy) for the field from the cache, or if it's not
 * cached, then returns a newly created proxy or the object itself.
 * /*from w  ww.  ja  va 2s.  com*/
 * @param field
 *            The field, in which we're trying to inject
 * @param locator
 *            The locator, which will locate the corresponding object for the field
 * @return The injectable value
 */
private Object getCachedProxy(Field field, IProxyTargetLocator locator) {
    Class<?> type = field.getType();
    if (locator == null) {
        return null;
    }

    // if the field contains the "stateful" description, or the field itself
    // is a no-interfaceview Stateful bean
    if ((field.isAnnotationPresent(EJB.class) && field.getAnnotation(EJB.class).description().equals("stateful")
            || field.getType().isAnnotationPresent(Stateful.class))) {
        // creates a session if there wasn't already

        HttpServletRequest httpServletRequest = (HttpServletRequest) RequestCycle.get().getRequest()
                .getContainerRequest();

        HttpSession session = httpServletRequest.getSession();

        // check if it's already cached
        Object retValue = session.getAttribute(type.getName());
        if (retValue == null) {
            if (!Modifier.isFinal(type.getModifiers())) {
                retValue = LazyInitProxyFactory.createProxy(type, locator);
            } else {
                retValue = locator.locateProxyTarget();
            }
            session.setAttribute(type.getName(), retValue);
        }
        return retValue;
    } else {

        if (cache.containsKey(locator)) {
            return cache.get(locator);
        }
        if (!Modifier.isFinal(type.getModifiers())) {
            Object proxy = LazyInitProxyFactory.createProxy(type, locator);
            cache.put(locator, proxy);
            return proxy;
        } else {
            Object value = locator.locateProxyTarget();
            cache.put(locator, value);
            return value;
        }
    }
}

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From source file:org.xaloon.wicket.component.inject.j2ee.JavaWeldProxyFieldValueFactory.java

License:Apache License

private Object getCachedProxy(Field field, IProxyTargetLocator locator) {
    Class<?> type = field.getType();
    if (locator == null) {
        return null;
    }//from ww w.j  a  v  a  2s  .  c o m

    if (cache.containsKey(locator)) {
        return cache.get(locator);
    }
    if (!Modifier.isFinal(type.getModifiers())) {
        Object proxy = LazyInitProxyFactory.createProxy(type, locator);
        cache.put(locator, proxy);
        return proxy;
    } else {
        Object value = locator.locateProxyTarget();
        cache.put(locator, value);
        return value;
    }

}

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