Java 从XML节点提取度量值
我正在使用Java8和XmlPath 1.0解析大型XML。我想提取,测试的名称,他的测量值和结果(通过或失败)。 每个测试可以有多个TestResult,其中包含两种类型的限制之一:Java 从XML节点提取度量值,java,xml,java-8,extract,xpath-1.0,Java,Xml,Java 8,Extract,Xpath 1.0,我正在使用Java8和XmlPath 1.0解析大型XML。我想提取,测试的名称,他的测量值和结果(通过或失败)。 每个测试可以有多个TestResult,其中包含两种类型的限制之一: SingleLimit,只有一个 LimitPair始终有两个限制 <tr:Test ID = "282" name = "DIP1-8 High"> <tr:Extension> <ts:TSStepProperties>
- SingleLimit,只有一个
- LimitPair始终有两个限制
<tr:Test ID = "282" name = "DIP1-8 High"> <tr:Extension> <ts:TSStepProperties> ... </ts:TSStepProperties> </tr:Extension> <tr:Outcome value = "Passed" /> <!-- value --> <tr:TestResult ID = "xyz" name = "TC 8.7.4 - Current breaker output J10:1-2"> <!-- name --> <tr:TestLimits> <tr:Limits> <c:LimitPair operator = "AND"> <c:Limit comparator = "GE"> <!-- value --> <c:Datum nonStandardUnit = "V" value = "2.8" xsi:type="ts:TS_double" flags = "0x0000"/> </c:Limit> <c:Limit comparator = "LE"> <!-- value --> <c:Datum nonStandardUnit = "V" value = "3.5" xsi:type="ts:TS_double" flags = "0x0000"/> </c:Limit> </c:LimitPair> </tr:Limits> </tr:TestLimits> </tr:TestResult> </tr:Test>
...
private ArrayList<String> preparePairLimitPaths() {
final ArrayList<String> list = new ArrayList<>();
list.add("//Test[TestResult//LimitPair]/@name");
list.add("//Test/TestResult[TestLimits//LimitPair]/TestData/Datum/@value");
list.add("//Test/TestResult/TestLimits/Limits/LimitPair/Limit[*]/Datum/@value");
list.add("//Test/TestResult/TestLimits/Limits/LimitPair/Limit[*]/Datum/@value");
list.add("//Test[TestResult//TestLimits//LimitPair]/Outcome/@value");
return list;
}
for (String expr : preparePairLimitPaths) {
try {
final NodeList evaluate = (NodeList) xPath.evaluate(expr, parse, XPathConstants.NODESET);
for (int i = 0; i < evaluate.getLength(); i++) {
final String textContent = evaluate.item(i).getTextContent();
if (textContent != null && !textContent.isEmpty()) {
stringBuilder.append(textContent).append(";");
}
}
stringBuilder.append("@@@");
} catch (XPathExpressionException e) {
e.printStackTrace();
}
}
private ArrayList preparePairLimitPaths(){
最终ArrayList=新ArrayList();
添加(“//Test[TestResult//LimitPair]/@name”);
添加(“//Test/TestResult[TestLimits//LimitPair]/TestData/Datum/@value”);
添加(“//Test/TestResult/TestLimits/Limits/LimitPair/LimitPair[*]/Datum/@value”);
添加(“//Test/TestResult/TestLimits/Limits/LimitPair/LimitPair[*]/Datum/@value”);
添加(“//Test[TestResult//TestLimits//LimitPair]/output/@value”);
退货清单;
}
for(字符串表达式:PreparePairLimitPath){
试一试{
final NodeList evaluate=(NodeList)xPath.evaluate(expr、parse、XPathConstants.NODESET);
对于(int i=0;i
您可以迭代每个测试,然后迭代每个测试结果,然后将逻辑与TestLimits等放在一起
nodelistalltests=(NodeList)xPath.evaluate(“/xml/Test”,xmlDocument,xpathcontents.NODESET);
对于(int i=0;i for(intj=0;jj像个符咒一样工作。非常感谢
NodeList allTests = (NodeList) xPath.evaluate("/xml/Test", xmlDocument, XPathConstants.NODESET);
for (int i = 0; i < tests.getLength(); i++) {
Element singleTest = (Element) tests.item(i);
// Here, you can extract some values from your test like:
// testOutcome = xPath.evaluate("Outcome/@value", singleTest);
NodeList testResults = (NodeList) xPath.evaluate("TestResult",test, XPathConstants.NODESET);
for (int j=0; j<testResults.getLength(); j++) {
// Now you can iterate over all your testResults from test
// testResultName = xPath.evaluate("@name",testResults.item(j)));
}
}