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/*
 * Copyright (c) 2017 Vadim Dubs https://github.com/xdcrafts
 *
 * 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.github.xdcrafts.flower.spring.impl;

import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import com.github.xdcrafts.flower.core.Middleware;

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * Abstract action bean factory that aware of bean name.
 * @param  class type
 */
public abstract class AbstractActionFactoryBean
    extends AbstractNameAwareFactoryBean
    implements ApplicationContextAware {

    private ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) {
        this.applicationContext = applicationContext;
    }

    public ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    /**
     * Resolves middleware assigned to action by it's name.
     */
    protected List getMiddleware(String name) {
        final List middleware = this.applicationContext
            .getBeansOfType(MiddlewareDefinition.class, true, false)
            .values()
            .stream()
            .flatMap(d -> d.getDefinition().entrySet().stream())
            .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue))
            .get(name);
        return middleware == null ? Collections.emptyList() : middleware;
    }
}