java通过org.w3c.dom解析xml文件 博客分类： xml java解析xml文件dom4j解析xml文件
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2024-03-20 16:00:04
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要点：
// 属性值获取 String Element.getAttribute(name);
//标签值通过父元素对象获取 NodeList parentElement.getElementsByTagName(name);
//标签中间的值获取 String Element.getTextContent()
private void loadSdataConfig() throws RuntimeException {
// 属性值获取 String Element.getAttribute(name);
//标签值通过父元素对象获取 NodeList parentElement.getElementsByTagName(name);
//标签中间的值获取 String Element.getTextContent()
try {
String sdataPath = SdataConfig.class.getResource("/sdata.xml").toURI().getPath();
if (sdataPath == null) {
throw new RuntimeException("sdata.xml path is null");
}
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = null;
Document document = null;
try {
builder = factory.newDocumentBuilder();
document = builder.parse(sdataPath);
} catch (Exception e) {
e.printStackTrace();
}
Element element = document.getDocumentElement();
NodeList sdataPortList = element.getElementsByTagName("sdata-port");
if (sdataPortList != null && sdataPortList.getLength() > 0) {
sdataPort = Integer.parseInt(sdataPortList.item(0).getTextContent());
}
NodeList dataBrowserPortList = element.getElementsByTagName("data-browser-port");
if (dataBrowserPortList != null && dataBrowserPortList.getLength() > 0) {
dataBrowserPort = Integer.parseInt(dataBrowserPortList.item(0).getTextContent());
}
NodeList commandPortList = element.getElementsByTagName("command-port");
if (commandPortList != null && commandPortList.getLength() > 0) {
commandPort = Integer.parseInt(commandPortList.item(0).getTextContent());
}
LOG.info("sdata-port:{} , data-browser-port:{} , command-port:{} ", sdataPort, dataBrowserPort, commandPort);
NodeList marketInitJobsList = element.getElementsByTagName("marketInitPushJobs");
if (marketInitJobsList != null && marketInitJobsList.getLength() > 0) {
Element marketInitPushJob = (Element) marketInitJobsList.item(0);
NodeList marketInitPushJobList = marketInitPushJob.getElementsByTagName("marketInitPushJob");
for (int i = 0; i < marketInitPushJobList.getLength(); i++) {
Element ele = (Element) marketInitPushJobList.item(i);
Job job = new Job();
String name = ele.getAttribute("name");
job.setName(name);
String cron = ele.getAttribute("cron");
if (cron != null && cron.trim().length() > 0) {
job.setCrons(Arrays.asList(cron.split(";")));
}
String clazz = ele.getAttribute("class");
job.setJobClass(clazz);
marketInitPushJobs.add(job);
}
}
LOG.info("marketInitPushJobs msgs:{}", marketInitPushJobs);
NodeList verdatasList = element.getElementsByTagName("verdatas");
if (verdatasList != null && verdatasList.getLength() > 0) {
Element verdatasElement = (Element) verdatasList.item(0);
NodeList verdataList = verdatasElement.getElementsByTagName("verdata");
if (verdataList != null && verdataList.getLength() > 0) {
for (int i = 0; i < verdataList.getLength(); i++) {
Element verdataElement = (Element) verdataList.item(i);
Verdata verdata = new Verdata();
String verdataName = verdataElement.getAttribute("name");
verdata.setName(verdataName);
String adapt = verdataElement.getAttribute("isAdapt");
if (adapt != null && adapt.trim().length() > 0) {
verdata.setAdapt(Boolean.parseBoolean(adapt));
}
NodeList processorList = verdataElement.getElementsByTagName("processor");
if (processorList != null && processorList.getLength() > 0) {
for (int j = 0; j < processorList.getLength(); j++) {
Element processorElement = (Element) processorList.item(j);
Processor processor = new Processor();
processor.setId(processorElement.getAttribute("id"));
processor.setName(processorElement.getAttribute("name"));
processor.setDataId(Integer.parseInt(processorElement.getAttribute("dataId")));
processor.setCodecClass(processorElement.getAttribute("codecClass"));
processor.setFactoryClass(processorElement.getAttribute("factoryClass"));
String isInit = processorElement.getAttribute("isInit");
if (isInit != null && isInit.trim().length() > 0) {
processor.setInit(Boolean.parseBoolean(isInit));
}
List<Processor> processors = verdata.getProcessors();
if (processors == null) {
processors = new ArrayList<>();
verdata.setProcessors(processors);
}
processors.add(processor);
}
}
verdatas.add(verdata);
}
}
}
LOG.info("verdatas msg:{}", verdatas);
NodeList jobsList = element.getElementsByTagName("jobs");
if (jobsList != null && jobsList.getLength() > 0) {
Element jobsElement = (Element) jobsList.item(0);
NodeList jobList = jobsElement.getElementsByTagName("job");
if (jobList != null && jobList.getLength() > 0) {
for (int i = 0; i < jobList.getLength(); i++) {
Element jobElement = (Element) jobList.item(i);
Job job = new Job();
job.setName(jobElement.getAttribute("name"));
String cron = jobElement.getAttribute("cron");
if (cron != null && cron.trim().length() > 0) {
job.setCrons(Arrays.asList(cron.split(";")));
}
job.setJobClass(jobElement.getAttribute("jobClass"));
jobs.add(job);
}
}
}
LOG.info("jobs msg: {}", jobs);
} catch (URISyntaxException e) {
e.printStackTrace();
}
}
sdata.xml文件
<?xml version="1.0" encoding='UTF-8'?>
<sdata-config>
<sdata-port desc="">1204</sdata-port>
<data-browser-port desc="">1205</data-browser-port>
<command-port desc="">1206</command-port>
<marketInitPushJobs>
<marketInitPushJob name="SHSZ" cron="0 52,55 8 * * ?;0 1,15,30 9 * * ?"
class="com.eastmoney.sdata.job.MarketInitPushJob" desc="沪深市场早盘推数据Job"/>
<marketInitPushJob name="StaticBlock" cron="0 0 1 * * ?"
class="com.eastmoney.sdata.db.staticblock.StaticBlockSecurityIdJob" desc="静态指数内码集合Job"/>
</marketInitPushJobs>
<!-- -->
<verdatas>
<verdata name="shszfactor" isAdapt="true">
<processor id="shszfactor-10229" name="shszfactor" dataId="10229" factoryClass="com.eastmoney.sdata.verdata.impl.factor.SHSZFactorFactory" codecClass="com.eastmoney.sdata.verdata.impl.factor.FactorEncode" desc=""/>
<processor id="shszfactor-10129" name="shszfactor" dataId="10129" isInit="true" factoryClass="com.eastmoney.sdata.verdata.impl.factor.SHSZFactorFactory" codecClass="com.eastmoney.sdata.verdata.impl.factor.FactorEncode" desc=""/>
</verdata>
<verdata name="hkfactor" isAdapt="true">
<processor id="hkfactor-10232" name="hkfactor" dataId="10232" factoryClass="com.eastmoney.sdata.verdata.impl.factor.HKFactorFactory" codecClass="com.eastmoney.sdata.verdata.impl.factor.FactorEncode" desc=""/>
<processor id="hkfactor-10132" name="hkfactor" dataId="10132" isInit="true" factoryClass="com.eastmoney.sdata.verdata.impl.factor.HKFactorFactory" codecClass="com.eastmoney.sdata.verdata.impl.factor.FactorEncode" desc=""/>
</verdata>
<verdata name="ussfactor" isAdapt="true">
<processor id="ussfactor-10233" name="ussfactor" dataId="10233" isInit="false" factoryClass="com.eastmoney.sdata.verdata.impl.factor.USSFactorFactory"
codecClass="com.eastmoney.sdata.verdata.impl.factor.FactorEncode" desc=""/>
<processor id="ussfactor-10133" name="ussfactor" dataId="10133" isInit="false" factoryClass="com.eastmoney.sdata.verdata.impl.factor.USSFactorFactory"
codecClass="com.eastmoney.sdata.verdata.impl.factor.FactorEncode" desc=""/>
</verdata>
<verdata name="sanbanfactor" isAdapt="true">
<processor id="sanbanfactor-10234" name="" dataId="10234" isInit="false" factoryClass="com.eastmoney.sdata.verdata.impl.factor.SanbanFactorFactory"
codecClass="com.eastmoney.sdata.verdata.impl.factor.FactorEncode" desc=""/>
<processor id="sanbanfactor-10134" name="" dataId="10134" isInit="true" factoryClass="com.eastmoney.sdata.verdata.impl.factor.SanbanFactorFactory"
codecClass="com.eastmoney.sdata.verdata.impl.factor.FactorEncode" desc=""/>
</verdata>
<verdata name="finance" isAdapt="false">
<processor id="finance-10030" name="finance" dataId="10030" isInit="true" factoryClass="com.eastmoney.sdata.verdata.impl.finance.FinanceFacotry"
codecClass="com.eastmoney.sdata.verdata.impl.finance.FinanceEncode" desc=""/>
</verdata>
<verdata name="price" isAdapt="false">
<processor id="price-10031" name="price" dataId="10031" isInit="true" factoryClass="com.eastmoney.sdata.verdata.impl.price.PriceFactory" codecClass="com.eastmoney.sdata.verdata.impl.price.PriceEncode" desc=""/>
</verdata>
<verdata name="date" isAdapt="false">
<processor id="date-10035" name="date" dataId="10035" isInit="true" factoryClass="com.eastmoney.sdata.verdata.impl.date.DateFactory" codecClass="com.eastmoney.sdata.verdata.impl.date.DateEncode" desc=""/>
</verdata>
<verdata name="optionbond" isAdapt="false">
<processor id="optionbond-10040" name="optionbond" dataId="10040" isInit="true" factoryClass="com.eastmoney.sdata.verdata.impl.optionbond.OptionBondDataFactory" codecClass="com.eastmoney.sdata.verdata.impl.optionbond.OptionBondEncode" desc=""/>
</verdata>
<jobs>
<job name="SHSZFQCalJob" cron="0 0 7 * * ?" jobClass="com.eastmoney.sdata.verdata.job.SHSZFQCalJob" desc=""/>
<job name="SHSZSanbanFactorUpdateJob" cron="0 50 8 * * ?;0 05,30 9 * * ?" jobClass="com.eastmoney.sdata.verdata.job.SHSZSanbanFactorUpdateJob" desc=""/>
</jobs>
</verdatas>
</sdata-config>
maven依赖：
<dependency>
<groupId>dom4j</groupId>
<artifactId>dom4j</artifactId>
<version>1.6.1</version>
</dependency>
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