Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.StringReader;
import java.util.Iterator;

import javax.xml.namespace.NamespaceContext;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
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;
import org.xml.sax.InputSource;

public class Main {

    public static void main(String[] args) throws Exception {
        String xml = "<soapenv:Envelope " + "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
                + "xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" "
                + "xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\" "
                + "xmlns:ser=\"http://services.web.post.list.com\"><soapenv:Header>"
                + "<authInfo xsi:type=\"soap:authentication\" "
                + "xmlns:soap=\"http://list.com/services/SoapRequestProcessor\">"
                + "<username xsi:type=\"xsd:string\">asdf@g.com</username>"
                + "<password xsi:type=\"xsd:string\">asdf</password></authInfo></soapenv:Header></soapenv:Envelope>";
        System.out.println(xml);
        DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
        domFactory.setNamespaceAware(true);
        DocumentBuilder builder = domFactory.newDocumentBuilder();
        Document doc = builder.parse(new InputSource(new StringReader(xml)));
        XPath xpath = XPathFactory.newInstance().newXPath();
        xpath.setNamespaceContext(new NamespaceContext() {

            @Override
            public Iterator getPrefixes(String arg0) {
                return null;
            }

            @Override
            public String getPrefix(String arg0) {
                return null;
            }

            @Override
            public String getNamespaceURI(String arg0) {
                if ("soapenv".equals(arg0)) {
                    return "http://schemas.xmlsoap.org/soap/envelope/";
                }
                return null;
            }
        });
        XPathExpression expr = xpath.compile("/soapenv:Envelope/soapenv:Header/authInfo/password");
        Object result = expr.evaluate(doc, XPathConstants.NODESET);
        NodeList nodes = (NodeList) result;
        System.out.println("Got " + nodes.getLength() + " nodes");
    }
}