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/**
 * Copyright (c) 2012-2016, www.tinygroup.org ([email protected]).
 *
 *  Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html
 *
 *  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 org.tinygroup.context2object.util;

import org.tinygroup.beancontainer.BeanContainerFactory;
import org.tinygroup.commons.tools.StringUtil;
import org.tinygroup.context.Context;
import org.tinygroup.context2object.fileresolver.GeneratorFileProcessor;
import org.tinygroup.context2object.impl.ClassNameObjectGenerator;
import org.tinygroup.event.Parameter;

import java.util.Collection;

public final class Context2ObjectUtil {
    private Context2ObjectUtil() {

    }

    public static Object getObject(Parameter p, Context context,
                                   ClassLoader loader) {
        if (context.exist(p.getName()))
            return context.get(p.getName());
        return getObjectByGenerator(p, context, loader);
    }


    public static Object getObjectByGenerator(Parameter parameter,
                                              Context context, ClassLoader loader) {
        String collectionType = parameter.getCollectionType();// 集合类型
        String paramName = parameter.getName();
        String paramType = parameter.getType();
        ClassNameObjectGenerator generator = BeanContainerFactory
                .getBeanContainer(Context2ObjectUtil.class.getClassLoader())
                .getBean(GeneratorFileProcessor.CLASSNAME_OBJECT_GENERATOR_BEAN);
        if (!StringUtil.isBlank(collectionType)) {// 如果集合类型非空
            return generator.getObjectCollection(paramName, collectionType,
                    paramType, loader, context);
        } else if (parameter.isArray()) {// 如果是数组
            return generator.getObjectArray(paramName, paramType, loader, context);
        }
        // 否则就是对象
        if (isSimpleType(paramType) && !context.exist(paramName)) {
            return null;
        }
        return generator.getObject(paramName, paramName, paramType, loader, context);
    }

    public static Collection