解析xml报文，xml与map互转
这段时间写了一个关于xml报文的工具类，做一下具体的讲解：
xml文本
<NTMMessage version="1.03">
<NTMHeader>
<MessageID>1711030000054</MessageID>
<MessageSource>
<SystemID>MNLN</SystemID>
<Location>CITIC</Location>
<UserID>dlm3</UserID>
</MessageSource>
<Timezone>GMT</Timezone>
<DateFormat format="ISO8601"/>
<GeneratedTime>2017-11-03T08:02:54</GeneratedTime>
<PublishResponse value="JustLogs"></PublishResponse>
<TransactMessage value="NoTransact"></TransactMessage>
</NTMHeader>
<NTMTrade>
<TradeHeader>
<SysTradeID>
<SystemID>MNLN</SystemID>
<Location>CITIC</Location>
<TradeID>GFWD1700000943</TradeID>
</SysTradeID>
<TradeDate>2017-11-03T08:02:54</TradeDate>
<OriginEntity>
<Entity role="Owner">
<Organization>SHZH00</Organization>
<Trader>WHWH</Trader>
</Entity>
</OriginEntity>
<OtherEntity>
<Entity role="Counterparty">
<Organization>SHZH00</Organization>
</Entity>
</OtherEntity>
<InterestedParties>
<Entity role="Broker">
<Organization></Organization>
</Entity>
<Entity role="Custodian">
<Organization></Organization>
</Entity>
</InterestedParties>
<TradeDescription>201711030000172</TradeDescription>
<TradeRole value="Actual"/>
<TradeMessageRole value="New"/>
<Notes>PANORAMA INTERFACE</Notes>
<ProcessHistory>
<ProcessAction>
<ProcessName>EraYTInterface</ProcessName>
<ProcessedOK value="Yes"/>
<Notes>EraYTInterface</Notes>
</ProcessAction>
</ProcessHistory>
</TradeHeader>
<TradeTags>
<TradingArea>TXAU</TradingArea>
<AccountingArea>AA1</AccountingArea>
<AccountingGroup>DD</AccountingGroup>
<TicketID></TicketID>
<Extensions>
<Extension>
<ExtName>AccType</ExtName>
<ExtValue datatype="String"></ExtValue>
</Extension>
<Extension>
<ExtName>ContractCode</ExtName>
<ExtValue datatype="String">AUY-CNY/FX</ExtValue>
</Extension>
<Extension>
<ExtName>UserTradeDate</ExtName>
<ExtValue datatype="Datetime">2017-11-03T08:02:54</ExtValue>
</Extension>
<Extension>
<ExtName>TradeOwner</ExtName>
<ExtValue datatype="String"></ExtValue>
</Extension>
</Extensions>
</TradeTags>
<FX>
<FXRate>
<NumeratorCCY>
<CCY>AUY</CCY>
</NumeratorCCY>
<DenominatorCCY>
<CCY>CNY</CCY>
</DenominatorCCY>
<Rate>273.69</Rate>
</FXRate>
<BuyCFL>
<Cashflow CFLType="Principal">
<CashflowID>1</CashflowID>
<CashflowPayment>
<PayDate>2018-02-07</PayDate>
<Amount>-90.0</Amount>
<CCY>AUY</CCY>
</CashflowPayment>
</Cashflow>
</BuyCFL>
<SellCFL>
<Cashflow CFLType="Principal">
<CashflowID>2</CashflowID>
<CashflowPayment>
<PayDate>2018-02-07</PayDate>
<Amount>24632.1</Amount>
<CCY>CNY</CCY>
</CashflowPayment>
</Cashflow>
</SellCFL>
</FX>
<Extensions>
<Extension>
<ExtName>PseudoProduct</ExtName>
<ExtValue datatype="String"></ExtValue>
</Extension>
<Extension>
<ExtName>PseudoProductType</ExtName>
<ExtValue datatype="String"></ExtValue>
</Extension>
</Extensions>
</NTMTrade>
</NTMMessage>
xml转map方法：
/**
* xml转map 不带属性
* @param xmlStr
* @param needRootKey 是否需要在返回的map里加根节点键
* @return
* @throws DocumentException
*/
public static Map xml2map(String xmlStr, boolean needRootKey) throws DocumentException {
SAXReader reader = new SAXReader();
Document doc = reader.read(xmlStr);
Element root = doc.getRootElement();
Map<String, Object> map = (Map<String, Object>) xml2map(root);
if(root.elements().size()==0 && root.attributes().size()==0){
return map;
}
if(needRootKey){
//在返回的map里加根节点键（如果需要）
Map<String, Object> rootMap = new HashMap<String, Object>();
rootMap.put(root.getName(), map);
return rootMap;
}
return map;
} /**
* xml转map 带属性
* @param xmlStr
* @param needRootKey 是否需要在返回的map里加根节点键
* @return
* @throws DocumentException
*/
public static Map xml2mapWithAttr(String xmlStr, boolean needRootKey) throws DocumentException { SAXReader reader = new SAXReader();
Document doc = reader.read(xmlStr);
Element root = doc.getRootElement();
Map<String, Object> map = (Map<String, Object>) xml2mapWithAttr(root);
if(root.elements().size()==0 && root.attributes().size()==0){
return map; //根节点只有一个文本内容
}
if(needRootKey){
//在返回的map里加根节点键（如果需要）
Map<String, Object> rootMap = new HashMap<String, Object>();
rootMap.put(root.getName(), map);
return rootMap;
}
return map;
} /**
* xml转map 不带属性
* @param e
* @return
*/
@SuppressWarnings("unchecked")
private static Map xml2map(Element e) {
Map map = new LinkedHashMap();
List list = e.elements();
if (list.size() > 0) {
for (int i = 0; i < list.size(); i++) {
Element iter = (Element) list.get(i);
List mapList = new ArrayList(); if (iter.elements().size() > 0) {
Map m = xml2map(iter);
if (map.get(iter.getName()) != null) {
Object obj = map.get(iter.getName());
if (!(obj instanceof List)) {
mapList = new ArrayList();
mapList.add(obj);
mapList.add(m);
}
if (obj instanceof List) {
mapList = (List) obj;
mapList.add(m);
}
map.put(iter.getName(), mapList);
} else
map.put(iter.getName(), m);
} else {
if (map.get(iter.getName()) != null) {
Object obj = map.get(iter.getName());
if (!(obj instanceof List)) {
mapList = new ArrayList();
mapList.add(obj);
mapList.add(iter.getText());
}
if (obj instanceof List) {
mapList = (List) obj;
mapList.add(iter.getText());
}
map.put(iter.getName(), mapList);
} else
map.put(iter.getName(), iter.getText());
}
}
} else
map.put(e.getName(), e.getText());
return map;
} /**
* xml转map 带属性
* @param e
* @return
*/
@SuppressWarnings("unchecked")
private static Map xml2mapWithAttr(Element element) {
Map<String, Object> map = new LinkedHashMap<String, Object>(); List<Element> list = element.elements();
List<Attribute> listAttr0 = element.attributes(); // 当前节点的所有属性的list
for (Attribute attr : listAttr0) {
map.put("@" + attr.getName(), attr.getValue());
}
if (list.size() > 0) { for (int i = 0; i < list.size(); i++) {
Element iter = list.get(i);
List mapList = new ArrayList(); if (iter.elements().size() > 0) {
Map m = xml2mapWithAttr(iter);
if (map.get(iter.getName()) != null) {
Object obj = map.get(iter.getName());
if (!(obj instanceof List)) {
mapList = new ArrayList();
mapList.add(obj);
mapList.add(m);
}
if (obj instanceof List) {
mapList = (List) obj;
mapList.add(m);
}
map.put(iter.getName(), mapList);
} else
map.put(iter.getName(), m);
} else { List<Attribute> listAttr = iter.attributes(); // 当前节点的所有属性的list
Map<String, Object> attrMap = null;
boolean hasAttributes = false;
if (listAttr.size() > 0) {
hasAttributes = true;
attrMap = new LinkedHashMap<String, Object>();
for (Attribute attr : listAttr) {
attrMap.put("@" + attr.getName(), attr.getValue());
}
} if (map.get(iter.getName()) != null) {
Object obj = map.get(iter.getName());
if (!(obj instanceof List)) {
mapList = new ArrayList();
mapList.add(obj);
// mapList.add(iter.getText());
if (hasAttributes) {
attrMap.put("#text", iter.getText());
mapList.add(attrMap);
} else {
mapList.add(iter.getText());
}
}
if (obj instanceof List) {
mapList = (List) obj;
// mapList.add(iter.getText());
if (hasAttributes) {
attrMap.put("#text", iter.getText());
mapList.add(attrMap);
} else {
mapList.add(iter.getText());
}
}
map.put(iter.getName(), mapList);
} else {
// map.put(iter.getName(), iter.getText());
if (hasAttributes) {
attrMap.put("#text", iter.getText());
map.put(iter.getName(), attrMap);
} else {
map.put(iter.getName(), iter.getText());
}
}
}
}
} else {
// 根节点的
if (listAttr0.size() > 0) {
map.put("#text", element.getText());
} else {
map.put(element.getName(), element.getText());
}
}
return map;
}
执行方法
public static void main(String[] args) throws DocumentException, IOException {
String textFromFile = "PMEXCH.xml";
Map<String, Object> string=xml2mapWithAttr(textFromFile,false);
}
结果是：
{@version=1.03, NTMHeader={MessageID= MessageID , MessageSource={SystemID= SystemID_1 , Location= Location_1 , UserID= UserID_1 }, Timezone=Timezone, DateFormat={@format=ISO8601, #text=}, GeneratedTime= GeneratedTime , PublishResponse={@value=JustLogs, #text=}, TransactMessage={@value=NoTransact, #text=}}, NTMTrade={TradeHeader={SysTradeID={SystemID= SystemID_2 , Location= Location_2 , TradeID= TradeID }, TradeDate= TradeDate , OriginEntity={Entity={@role=Owner, Organization= Organization_1 , Trader= Trader }}, OtherEntity={Entity={@role=Counterparty, Organization= Organization_2 }}, InterestedParties={Entity=[{@role=Broker, Organization= Organization_3 }, {@role=Custodian, Organization= Organization_4 }]}, TradeDescription= TradeDescription , TradeRole={@value=Actual, #text=}, TradeMessageRole={@value=New, #text=}, Notes= Notes_1 , ProcessHistory={ProcessAction={ProcessName=ProcessName, ProcessedOK={@value=Yes, #text=}, Notes= Notes_2 }}}, TradeTags={TradingArea= TradingArea , AccountingArea= AccountingArea , AccountingGroup= AccountingGroup , TicketID= TicketID , Extensions={Extension=[{ExtName= ExtName_1 , ExtValue={@datatype=String, #text=}}, {ExtName= ExtName_2 , ExtValue={@datatype=String, #text=}}, {ExtName=ExtName_3, ExtValue={@datatype=Datetime, #text=}}, {ExtName=ExtName_4, ExtValue={@datatype=String, #text=}}]}}, FX={FXRate={NumeratorCCY={CCY= CCY_1 }, DenominatorCCY={CCY= CCY_2 }, Rate= Rate }, BuyCFL={Cashflow={@CFLType=Principal, CashflowID= CashflowID_1 , CashflowPayment={PayDate= PayDate_1 , Amount= amount_1 , CCY= CCY_3 }}}, SellCFL={Cashflow={@CFLType=Principal, CashflowID= CashflowID_2 , CashflowPayment={PayDate= PayDate_2 , Amount= amount_2 , CCY= CCY_4 }}}}, Extensions={Extension=[{ExtName= ExtName_5 , ExtValue={@datatype=String, #text=}}, {ExtName= ExtName_6 , ExtValue={@datatype=String, #text=}}]}}}
map转xml的方法
/**
* map转xml map中没有根节点的键
*
* @param map
* @param rootName
* 父节点
* @throws DocumentException
* @throws IOException
*/
public static Document mapToxml(Map<String, Object> map, String rootName)
throws DocumentException, IOException {
Document doc = DocumentHelper.createDocument();
Element root = DocumentHelper.createElement(rootName);
doc.add(root);
mapToxml(map, root);
return doc;
} /**
* map转xml map中含有根节点的键
*
* @param map
* @throws DocumentException
* @throws IOException
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public static Document mapToxml(Map<String, Object> map)
throws DocumentException, IOException {
Iterator<Map.Entry<String, Object>> entries = map.entrySet().iterator();
if (entries.hasNext()) {
// 获取第一个键创建根节点
Map.Entry<String, Object> entry = entries.next();
Document doc = DocumentHelper.createDocument();
Element root = DocumentHelper.createElement(entry.getKey());
doc.add(root);
mapToxml((Map) entry.getValue(), root);
return doc;
}
return null;
} /**
* map转xml
*
* @param map
* @param body
* xml节点元素
* @return
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
private static Element mapToxml(Map<String, Object> map, Element body) {
Iterator<Map.Entry<String, Object>> entries = map.entrySet().iterator();
while (entries.hasNext()) {
// 遍历entries
Map.Entry<String, Object> entry = entries.next();
String key = entry.getKey();
Object value = entry.getValue();
if (key.startsWith("@")) { // 属性
body.addAttribute(key.substring(1, key.length()),
value.toString());
} else if (key.equals("#text")) { // 有属性时的文本
body.setText(value.toString());
} else {
if (value instanceof java.util.List) {
List list = (List) value;
Object obj;
for (int i = 0; i < list.size(); i++) {
obj = list.get(i);
// list里是map或String，不会存在list里直接是list的，
if (obj instanceof java.util.Map) {
Element subElement = body.addElement(key);
mapToxml((Map) list.get(i), subElement);
} else {
body.addElement(key).setText((String) list.get(i));
}
}
} else if (value instanceof java.util.Map) {
Element subElement = body.addElement(key);
mapToxml((Map) value, subElement);
} else {
body.addElement(key).setText(value.toString());
}
}
}
return body;
}
格式化xml
/**
* 格式化输出xml
*
* @param xmlStr
* xml文件
* @return
* @throws DocumentException
* @throws IOException
*/
public static String formatXml(String xmlStr) throws DocumentException,
IOException {
Document document = DocumentHelper.parseText(xmlStr);
return formatXml(document);
} /**
* 格式化输出xml
*
* @param document
* @return
* @throws DocumentException
* @throws IOException
*/
public static String formatXml(Document document) throws DocumentException,
IOException {
// 格式化输出格式
OutputFormat format = OutputFormat.createPrettyPrint();
StringWriter writer = new StringWriter();
// 格式化输出流
XMLWriter xmlWriter = new XMLWriter(writer, format);
// 将document写入到输出流
xmlWriter.write(document);
xmlWriter.close();
return writer.toString();
}执行结果
<NTMMessage version="1.03">
<NTMHeader>
<MessageID>1711030000054</MessageID>
<MessageSource>
<SystemID>MNLN</SystemID>
<Location>CITIC</Location>
<UserID>dlm3</UserID>
</MessageSource>
<Timezone>GMT</Timezone>
<DateFormat format="ISO8601"/>
<GeneratedTime>2017-11-03T08:02:54</GeneratedTime>
<PublishResponse value="JustLogs"></PublishResponse>
<TransactMessage value="NoTransact"></TransactMessage>
</NTMHeader>
<NTMTrade>
<TradeHeader>
<SysTradeID>
<SystemID>MNLN</SystemID>
<Location>CITIC</Location>
<TradeID>GFWD1700000943</TradeID>
</SysTradeID>
<TradeDate>2017-11-03T08:02:54</TradeDate>
<OriginEntity>
<Entity role="Owner">
<Organization>SHZH00</Organization>
<Trader>WHWH</Trader>
</Entity>
</OriginEntity>
<OtherEntity>
<Entity role="Counterparty">
<Organization>SHZH00</Organization>
</Entity>
</OtherEntity>
<InterestedParties>
<Entity role="Broker">
<Organization></Organization>
</Entity>
<Entity role="Custodian">
<Organization></Organization>
</Entity>
</InterestedParties>
<TradeDescription>201711030000172</TradeDescription>
<TradeRole value="Actual"/>
<TradeMessageRole value="New"/>
<Notes>PANORAMA INTERFACE</Notes>
<ProcessHistory>
<ProcessAction>
<ProcessName>EraYTInterface</ProcessName>
<ProcessedOK value="Yes"/>
<Notes>EraYTInterface</Notes>
</ProcessAction>
</ProcessHistory>
</TradeHeader>
<TradeTags>
<TradingArea>TXAU</TradingArea>
<AccountingArea>AA1</AccountingArea>
<AccountingGroup>DD</AccountingGroup>
<TicketID></TicketID>
<Extensions>
<Extension>
<ExtName>AccType</ExtName>
<ExtValue datatype="String"></ExtValue>
</Extension>
<Extension>
<ExtName>ContractCode</ExtName>
<ExtValue datatype="String">AUY-CNY/FX</ExtValue>
</Extension>
<Extension>
<ExtName>UserTradeDate</ExtName>
<ExtValue datatype="Datetime">2017-11-03T08:02:54</ExtValue>
</Extension>
<Extension>
<ExtName>TradeOwner</ExtName>
<ExtValue datatype="String"></ExtValue>
</Extension>
</Extensions>
</TradeTags>
<FX>
<FXRate>
<NumeratorCCY>
<CCY>AUY</CCY>
</NumeratorCCY>
<DenominatorCCY>
<CCY>CNY</CCY>
</DenominatorCCY>
<Rate>273.69</Rate>
</FXRate>
<BuyCFL>
<Cashflow CFLType="Principal">
<CashflowID>1</CashflowID>
<CashflowPayment>
<PayDate>2018-02-07</PayDate>
<Amount>-90.0</Amount>
<CCY>AUY</CCY>
</CashflowPayment>
</Cashflow>
</BuyCFL>
<SellCFL>
<Cashflow CFLType="Principal">
<CashflowID>2</CashflowID>
<CashflowPayment>
<PayDate>2018-02-07</PayDate>
<Amount>24632.1</Amount>
<CCY>CNY</CCY>
</CashflowPayment>
</Cashflow>
</SellCFL>
</FX>
<Extensions>
<Extension>
<ExtName>PseudoProduct</ExtName>
<ExtValue datatype="String"></ExtValue>
</Extension>
<Extension>
<ExtName>PseudoProductType</ExtName>
<ExtValue datatype="String"></ExtValue>
</Extension>
</Extensions>
</NTMTrade>
</NTMMessage>
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