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package com.github.datalking.web.bind;

import com.github.datalking.web.context.request.WebRequest;

/**
 * 数据绑定工厂默认实现类
 *
 * @author yaoo on 5/2/18
 */
public class DefaultDataBinderFactory implements WebDataBinderFactory {

    private final WebBindingInitializer initializer;

    public DefaultDataBinderFactory(WebBindingInitializer initializer) {
        this.initializer = initializer;
    }

    public final WebDataBinder createBinder(WebRequest webRequest, Object target, String objectName) throws Exception {

        // 默认创建 WebRequestDataBinder 对象
        WebDataBinder dataBinder = createBinderInstance(target, objectName, webRequest);

        if (this.initializer != null) {
            this.initializer.initBinder(dataBinder, webRequest);
        }

        initBinder(dataBinder, webRequest);

        return dataBinder;
    }

    protected WebDataBinder createBinderInstance(Object target, String objectName, WebRequest webRequest) throws Exception {

        return new WebRequestDataBinder(target, objectName);
    }

    protected void initBinder(WebDataBinder dataBinder, WebRequest webRequest) throws Exception {
    }

}