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com.alipay.api.internal.parser.xml.XmlConverter Maven / Gradle / Ivy
Alipay openapi SDK for Java
Copyright © 2018 杭州蚂蚁金服
All rights reserved.
版权所有 （C）杭州蚂蚁金服
http://open.alipay.com
package com.alipay.api.internal.parser.xml;
import com.alipay.api.*;
import com.alipay.api.internal.mapping.Converter;
import com.alipay.api.internal.mapping.Converters;
import com.alipay.api.internal.mapping.Reader;
import com.alipay.api.internal.util.StringUtils;
import com.alipay.api.internal.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;
/**
* JSON格式转换器。
*
* @author carver.gu
* @since 1.0, Apr 11, 2010
*/
public class XmlConverter implements Converter {
public T toResponse(String rsp, Class clazz)
throws AlipayApiException {
Element root = XmlUtils.getRootElementFromString(rsp);
return getModelFromXML(root, clazz);
}
private T getModelFromXML(final Element element, Class clazz) throws AlipayApiException {
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 AlipayApiException {
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 AlipayApiException {
List list = null;
Element listE = XmlUtils.getChildElement(element, (String) listName);
if (listE != null) {
list = new ArrayList();
List itemEs = XmlUtils.getChildElements(listE, (String) itemName);
for (Element itemE : itemEs) {
Object obj = null;
String value = XmlUtils.getElementValue(itemE);
if (String.class.isAssignableFrom(subType)) {
obj = value;
} else if (Long.class.isAssignableFrom(subType)) {
obj = Long.valueOf(value);
} else if (Integer.class.isAssignableFrom(subType)) {
obj = Integer.valueOf(value);
} else if (Boolean.class.isAssignableFrom(subType)) {
obj = Boolean.valueOf(value);
} else if (Date.class.isAssignableFrom(subType)) {
DateFormat format = new SimpleDateFormat(
AlipayConstants.DATE_TIME_FORMAT);
try {
obj = format.parse(value);
} catch (ParseException e) {
throw new AlipayApiException(e);
}
} else {
obj = getModelFromXML(itemE, subType);
}
if (obj != null) { list.add(obj); }
}
}
return list;
}
});
}
/**
* @see com.alipay.api.internal.mapping.Converter#getSignItem(com.alipay.api.AlipayRequest, String)
*/
public SignItem getSignItem(AlipayRequest request, String responseBody)
throws AlipayApiException {
// 响应为空则直接返回
if (StringUtils.isEmpty(responseBody)) {
return null;
}
SignItem signItem = new SignItem();
// 获取签名
String sign = getSign(responseBody);
signItem.setSign(sign);
// 签名源串
String signSourceData = getSignSourceData(request, responseBody);
signItem.setSignSourceDate(signSourceData);
return signItem;
}
/**
* @see com.alipay.api.internal.mapping.Converter#getCertItem(com.alipay.api.AlipayRequest, String)
*/
public CertItem getCertItem(AlipayRequest request, String responseBody)
throws AlipayApiException {
// 响应为空则直接返回
if (StringUtils.isEmpty(responseBody)) {
return null;
}
CertItem certItem = new CertItem();
// 获取签名
String sign = getSign(responseBody);
certItem.setSign(sign);
// 获取证书
String cert = getCert(responseBody);
certItem.setCert(cert);
// 签名源串
String signSourceData = getSignSourceData(request, responseBody);
certItem.setSignSourceDate(signSourceData);
return certItem;
}
/**
* @param request
* @param body
* @return
*/
private String getSignSourceData(AlipayRequest request, String body) {
// XML不同的节点
String rootNode = request.getApiMethodName().replace('.', '_')
+ AlipayConstants.RESPONSE_SUFFIX;
String errorRootNode = AlipayConstants.ERROR_RESPONSE;
int indexOfRootNode = body.indexOf(rootNode);
int indexOfErrorRoot = body.indexOf(errorRootNode);
// 成功或者新版接口
if (indexOfRootNode > 0) {
return parseSignSourceData(body, rootNode, indexOfRootNode);
// 老版本接口
} else if (indexOfErrorRoot > 0) {
return parseSignSourceData(body, errorRootNode, indexOfErrorRoot);
} else {
return null;
}
}
/**
* 获取签名
*
* @param body
* @return
*/
private String getSign(String body) {
String signNodeName = "<" + AlipayConstants.SIGN + ">";
String signEndNodeName = "";
int indexOfSignNode = body.indexOf(signNodeName);
int indexOfSignEndNode = body.indexOf(signEndNodeName);
if (indexOfSignNode < 0 || indexOfSignEndNode < 0) {
return null;
}
// 签名
return body.substring(indexOfSignNode + signNodeName.length(), indexOfSignEndNode);
}
/**
* 获取证书序列号
*
* @param body
* @return
*/
private String getCert(String body) {
String signNodeName = "<" + AlipayConstants.ALIPAY_CERT_SN + ">";
String signEndNodeName = "";
int indexOfSignNode = body.indexOf(signNodeName);
int indexOfSignEndNode = body.indexOf(signEndNodeName);
if (indexOfSignNode < 0 || indexOfSignEndNode < 0) {
return null;
}
// 证书
return body.substring(indexOfSignNode + signNodeName.length(), indexOfSignEndNode);
}
/**
* 签名源串
*
* @param body
* @param rootNode
* @param indexOfRootNode
* @return
*/
private String parseSignSourceData(String body, String rootNode, int indexOfRootNode) {
// 第一个字母+长度+>
int signDataStartIndex = indexOfRootNode + rootNode.length() + 1;
int indexOfSign = body.indexOf("<" + AlipayConstants.SIGN);
int indexOfCert = body.indexOf("<" + AlipayConstants.ALIPAY_CERT_SN);
if (indexOfSign < 0) {
return null;
}
int signDataEndIndex = indexOfSign;
if (indexOfCert > 0) {
signDataEndIndex = indexOfCert < indexOfSign ? indexOfCert : indexOfSign;
}
return body.substring(signDataStartIndex, signDataEndIndex);
}
public String decryptSourceData(AlipayRequest request, String body, String format,
Decryptor decryptor, String encryptType, String charset)
throws AlipayApiException {
ResponseParseItem respSignSourceData = getXMLSignSourceData(request, body);
String bodyIndexContent = body.substring(0, respSignSourceData.getStartIndex());
String bodyEndContent = body.substring(respSignSourceData.getEndIndex());
return bodyIndexContent
+ decryptor.decrypt(respSignSourceData.getEncryptContent(), encryptType, charset)
+ bodyEndContent;
}
/**
* @param request
* @param body
* @return
*/
private ResponseParseItem getXMLSignSourceData(AlipayRequest request, String body) {
String rootNode = request.getApiMethodName().replace('.', '_')
+ AlipayConstants.RESPONSE_SUFFIX;
String errorRootNode = AlipayConstants.ERROR_RESPONSE;
int indexOfRootNode = body.indexOf(rootNode);
int indexOfErrorRoot = body.indexOf(errorRootNode);
if (indexOfRootNode > 0) {
return parseXMLSignSourceData(body, rootNode, indexOfRootNode);
} else if (indexOfErrorRoot > 0) {
return parseXMLSignSourceData(body, errorRootNode, indexOfErrorRoot);
} else {
return null;
}
}
/**
* 绛惧��婧�涓�
*
* @param body
* @param rootNode
* @param indexOfRootNode
* @return
*/
private ResponseParseItem parseXMLSignSourceData(String body, String rootNode,
int indexOfRootNode) {
int signDataStartIndex = indexOfRootNode + rootNode.length() + 1;
String xmlStartNode = "<" + AlipayConstants.RESPONSE_XML_ENCRYPT_NODE_NAME + ">";
String xmlEndNode = "";
int indexOfSign = body.indexOf(xmlEndNode);
if (indexOfSign < 0) {
return new ResponseParseItem(0, 0, "");
}
int signDataEndIndex = indexOfSign + xmlEndNode.length();
// 包含xml节点的
String encryptBizContent = body.substring(signDataStartIndex, signDataEndIndex);
String bizContent = encryptBizContent.substring(xmlStartNode.length(),
encryptBizContent.length() - xmlEndNode.length());
return new ResponseParseItem(signDataStartIndex, signDataEndIndex, bizContent);
}
}
