com.gwtplatform.dispatch.server.spring.AnnotatedActionBeandHandlerRegistrator Maven / Gradle / Ivy

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/**
 * Copyright 2013 ArcBees Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.gwtplatform.dispatch.server.spring;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.context.ApplicationContext;
import org.springframework.core.Ordered;

import com.gwtplatform.dispatch.server.actionhandler.ActionHandler;
import com.gwtplatform.dispatch.server.actionhandlervalidator.ActionHandlerValidatorClass;
import com.gwtplatform.dispatch.server.actionhandlervalidator.ActionHandlerValidatorMapImpl;
import com.gwtplatform.dispatch.server.actionhandlervalidator.ActionHandlerValidatorRegistry;
import com.gwtplatform.dispatch.server.actionhandlervalidator.LazyActionHandlerValidatorRegistry;
import com.gwtplatform.dispatch.server.spring.annotation.RegisterActionHandler;
import com.gwtplatform.dispatch.server.spring.utils.SpringUtils;

/**
 * Annotation bean post processing to register ActionHadlers annotate
 * with {@link com.gwtplatform.dispatch.server.spring.annotation.RegisterActionHandler}.
 *
 * @deprecated Please use {@link com.gwtplatform.dispatch.rpc.server.spring.AnnotatedActionBeandHandlerRegistrator}.
 */
@Deprecated
public class AnnotatedActionBeandHandlerRegistrator implements BeanPostProcessor, Ordered {
    @Autowired
    protected ApplicationContext applicationContext;

    @Autowired
    protected ActionHandlerValidatorRegistry actionHandlerValidatorRegistry;

    @SuppressWarnings({ "unchecked", "rawtypes" })
    @Override
    public Object postProcessAfterInitialization(Object bean, String beanName) {
        if (bean instanceof ActionHandler) {
            ActionHandler actionHandler = (ActionHandler) bean;
            RegisterActionHandler registerHandler = bean.getClass().getAnnotation(RegisterActionHandler.class);
            if (registerHandler != null) {
                ActionHandlerValidatorClass actionHandlerValidatorClass = new ActionHandlerValidatorClass(
                        actionHandler.getClass(),registerHandler.validator());
                SpringUtils.registerBean(applicationContext, new ActionHandlerValidatorMapImpl(
                        actionHandler.getActionType(), actionHandlerValidatorClass));
                if (actionHandlerValidatorRegistry instanceof LazyActionHandlerValidatorRegistry) {
                    ((LazyActionHandlerValidatorRegistry) actionHandlerValidatorRegistry)
                            .addActionHandlerValidatorClass(actionHandler.getActionType(), actionHandlerValidatorClass);
                }
            }
        }

        return bean;
    }

    @Override
    public int getOrder() {
        return Ordered.LOWEST_PRECEDENCE;
    }

    @Override
    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
        return bean;
    }
}