package com.matrix.component.wechat.externalInterface.common;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import org.xml.sax.SAXException;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* User: rizenguo
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* Date: 2014/11/1
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* Time: 14:06
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*/
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public class XMLParser {
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/**
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* 从RefunQueryResponseString里面解析出退款订单数据
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* @param refundQueryResponseString RefundQuery API返回的数据
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* @return 因为订单数据有可能是多个，所以返回一个列表
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public static List<RefundOrderData> getRefundOrderList(String refundQueryResponseString) throws IOException, SAXException, ParserConfigurationException {
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List list = new ArrayList();
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Map<String,Object> map = XMLParser.getMapFromXML(refundQueryResponseString);
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int count = Integer.parseInt((String) map.get("refund_count"));
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Util.log("count:" + count);
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if(count<1){
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return list;
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}
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RefundOrderData refundOrderData;
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for(int i=0;i<count;i++){
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refundOrderData = new RefundOrderData();
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refundOrderData.setOutRefundNo(Util.getStringFromMap(map,"out_refund_no_" + i,""));
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refundOrderData.setRefundID(Util.getStringFromMap(map,"refund_id_" + i,""));
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refundOrderData.setRefundChannel(Util.getStringFromMap(map,"refund_channel_" + i,""));
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refundOrderData.setRefundFee(Util.getIntFromMap(map,"refund_fee_" + i));
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refundOrderData.setCouponRefundFee(Util.getIntFromMap(map,"coupon_refund_fee_" + i));
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refundOrderData.setRefundStatus(Util.getStringFromMap(map,"refund_status_" + i,""));
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list.add(refundOrderData);
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}
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return list;
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}
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*/
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public static Map<String,Object> getMapFromXML(String xmlString) throws ParserConfigurationException, IOException, SAXException {
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//这里用Dom的方式解析回包的最主要目的是防止API新增回包字段
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DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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DocumentBuilder builder = factory.newDocumentBuilder();
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InputStream is = Util.getStringStream(xmlString);
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Document document = builder.parse(is);
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//获取到document里面的全部结点
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NodeList allNodes = document.getFirstChild().getChildNodes();
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Node node;
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Map<String, Object> map = new HashMap<String, Object>();
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int i=0;
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while (i < allNodes.getLength()) {
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node = allNodes.item(i);
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if(node instanceof Element){
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map.put(node.getNodeName(),node.getTextContent());
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}
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i++;
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}
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return map;
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}
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}
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