java-code-example/!temp/src/XPathTest.java at master · cherkavi/java-code-example · GitHub

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import java.io.File;

import javax.xml.xpath.XPath;

import javax.xml.xpath.XPathConstants;

import javax.xml.xpath.XPathExpression;

import javax.xml.xpath.XPathFactory;

import org.w3c.dom.Document;

import org.w3c.dom.NodeList;

public class XPathTest {

private static void debug(Object object){

System.out.print(" DEBUG ");

System.out.println(object);

}

private static void error(Object object){

System.out.print(" ERROR ");

System.out.println(object);

}

public static void main(String[] args){

new XPathTest();

}

public XPathTest(){

try{

Document document=getXmlByPath("c:\\temp.xml");

setParameterForGet(document);

}catch(Exception ex){

}

private void setParameterForGet(Document document){

try{

XPathFactory xpathFactory=XPathFactory.newInstance();

XPath xpath=xpathFactory.newXPath();

XPathExpression expression=xpath.compile("//response/results/*");

NodeList nodeSet=(NodeList)expression.evaluate(document, XPathConstants.NODESET);

debug("//response/results/ length:"+nodeSet.getLength());

if(nodeSet.getLength()>0){

/* this.parametersForGet.clear();

for(int counter=0;counter<nodeSet.getLength();counter++){

this.parametersForGet.add(new Parameter(nodeSet.item(counter)));

}

}catch(Exception ex){

error("setParameterForGet: set parameter's Exception:"+ex.getMessage());

}

/** ïîëó÷èòü XML ôàéë èç óêàçàííîãî àáñîëþòíîãî ïóòè */

private Document getXmlByPath(String path_to_xml) throws Exception{

Document return_value=null;

javax.xml.parsers.DocumentBuilderFactory document_builder_factory=javax.xml.parsers.DocumentBuilderFactory.newInstance();

// óñòàíîâèòü íåïðîâåðÿåìîå ïîðîæäåíèå Parser-îâ

document_builder_factory.setValidating(false);

try {

// ïîëó÷åíèå àíàëèçàòîðà

javax.xml.parsers.DocumentBuilder parser=document_builder_factory.newDocumentBuilder();

return_value=parser.parse(new File(path_to_xml));

}catch(Exception ex){

error("XmlExchange.java ERROR");

throw ex;

}

return return_value;

}

java-code-example/!temp/src/XPathTest.java at master · cherkavi/java-code-example · GitHub

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