Java tutorial
/* * Copyright 2005-2013 klarclm.com. All rights reserved. * Support: http://www.klarclm.com * License: http://www.klarclm.com/license */ package net.osxx.plugin.tenpayPartner; import java.math.BigDecimal; import java.net.MalformedURLException; import java.net.URL; import java.util.HashMap; import java.util.Map; import java.util.TreeMap; import javax.servlet.http.HttpServletRequest; import net.osxx.entity.Payment; import net.osxx.entity.PluginConfig; import net.osxx.plugin.PaymentPlugin; import org.apache.commons.codec.digest.DigestUtils; import org.apache.commons.lang.StringUtils; import org.dom4j.Document; import org.dom4j.DocumentException; import org.dom4j.Node; import org.dom4j.io.SAXReader; import org.springframework.stereotype.Component; /** * Plugin - (?) * * @author Operate System * @version 3.0 */ @Component("tenpayPartnerPlugin") public class TenpayPartnerPlugin extends PaymentPlugin { @Override public String getName() { return "(?)"; } @Override public String getVersion() { return "1.0"; } @Override public String getAuthor() { return "SHOP++"; } @Override public String getSiteUrl() { return "http://www.klarclm.com"; } @Override public String getInstallUrl() { return "tenpay_partner/install.jhtml"; } @Override public String getUninstallUrl() { return "tenpay_partner/uninstall.jhtml"; } @Override public String getSettingUrl() { return "tenpay_partner/setting.jhtml"; } @Override public String getRequestUrl() { return "https://gw.tenpay.com/gateway/pay.htm"; } @Override public RequestMethod getRequestMethod() { return RequestMethod.get; } @Override public String getRequestCharset() { return "UTF-8"; } @Override public Map<String, Object> getParameterMap(String sn, String description, HttpServletRequest request) { PluginConfig pluginConfig = getPluginConfig(); Payment payment = getPayment(sn); Map<String, Object> parameterMap = new HashMap<String, Object>(); parameterMap.put("trade_mode", "2"); parameterMap.put("partner", pluginConfig.getAttribute("partner")); parameterMap.put("input_charset", "utf-8"); parameterMap.put("sign_type", "MD5"); parameterMap.put("return_url", getNotifyUrl(sn, NotifyMethod.sync)); parameterMap.put("notify_url", getNotifyUrl(sn, NotifyMethod.async)); parameterMap.put("out_trade_no", sn); parameterMap.put("subject", StringUtils.abbreviate(description.replaceAll("[^0-9a-zA-Z\\u4e00-\\u9fa5 ]", ""), 30)); parameterMap.put("body", StringUtils.abbreviate(description.replaceAll("[^0-9a-zA-Z\\u4e00-\\u9fa5 ]", ""), 30)); parameterMap.put("trans_type", "1"); parameterMap.put("seller_id", pluginConfig.getAttribute("partner")); parameterMap.put("total_fee", payment.getAmount().multiply(new BigDecimal(100)).setScale(0).toString()); parameterMap.put("fee_type", "1"); parameterMap.put("spbill_create_ip", request.getLocalAddr()); parameterMap.put("attach", "osxx"); parameterMap.put("sign", generateSign(parameterMap)); return parameterMap; } @SuppressWarnings("unchecked") @Override public boolean verifyNotify(String sn, NotifyMethod notifyMethod, HttpServletRequest request) { PluginConfig pluginConfig = getPluginConfig(); if (generateSign(request.getParameterMap()).equals(request.getParameter("sign")) && pluginConfig.getAttribute("partner").equals(request.getParameter("partner")) && sn.equals(request.getParameter("out_trade_no")) && "0".equals(request.getParameter("trade_state"))) { try { Map<String, Object> parameterMap = new HashMap<String, Object>(); parameterMap.put("input_charset", "utf-8"); parameterMap.put("sign_type", "MD5"); parameterMap.put("partner", pluginConfig.getAttribute("partner")); parameterMap.put("notify_id", request.getParameter("notify_id")); String verifyUrl = "https://gw.tenpay.com/gateway/simpleverifynotifyid.xml?input_charset=utf-8&sign_type=MD5&partner=" + pluginConfig.getAttribute("partner") + "¬ify_id=" + request.getParameter("notify_id") + "&sign=" + generateSign(parameterMap); Document document = new SAXReader().read(new URL(verifyUrl)); Node node = document.selectSingleNode("/root/retcode"); if ("0".equals(node.getText().trim())) { return true; } } catch (DocumentException e) { e.printStackTrace(); } catch (MalformedURLException e) { e.printStackTrace(); } } return false; } @Override public String getNotifyMessage(String sn, NotifyMethod notifyMethod, HttpServletRequest request) { if (notifyMethod == NotifyMethod.async) { return "Success"; } return null; } @Override public Integer getTimeout() { return 21600; } /** * ??? * * @param parameterMap * ? * @return ?? */ private String generateSign(Map<String, Object> parameterMap) { PluginConfig pluginConfig = getPluginConfig(); return DigestUtils.md5Hex(joinKeyValue(new TreeMap<String, Object>(parameterMap), null, "&key=" + pluginConfig.getAttribute("key"), "&", true, "sign")).toUpperCase(); } }