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package net.arccode.wechat.pay.api.common.parser.xml;

import net.arccode.wechat.pay.api.common.constant.WXPayConstants;
import net.arccode.wechat.pay.api.common.exception.WXPayApiException;
import net.arccode.wechat.pay.api.common.parser.Converter;
import net.arccode.wechat.pay.api.common.util.Converters;
import net.arccode.wechat.pay.api.protocol.base.WXPayResponse;
import net.arccode.wechat.pay.api.common.parser.Reader;
import net.arccode.wechat.pay.api.common.util.XmlUtils;
import org.w3c.dom.Element;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * xml格式转换
 *
 * @author http://arccode.net
 * @since 2015-11-05
 */
public class XmlConverter implements Converter {

    @Override
    public  T toResponse(String resp, Class clazz) throws WXPayApiException {

        Element root = XmlUtils.getRootElementFromString(resp);
        return getModelFromXML(root, clazz);
    }

    private  T getModelFromXML(final Element element, Class clazz) throws WXPayApiException {
        if (element == null)
            return null;

        return Converters.convert(clazz, new Reader() {
            public boolean hasReturnField(Object name) {
                Element childE = XmlUtils.getChildElement(element, (String) name);
                return childE != null;
            }

            public Object getPrimitiveObject(Object name) {
                return XmlUtils.getElementValue(element, (String) name);
            }

            public Object getObject(Object name, Class type) throws WXPayApiException {
                Element childE = XmlUtils.getChildElement(element, (String) name);
                if (childE != null) {
                    return getModelFromXML(childE, type);
                } else {
                    return null;
                }
            }

            public List getListObjects(Object listName, Object itemName, Class subType)
                    throws WXPayApiException {
                List