XML xsd xpath

        File myxml = new File("test.xml");

        try {
//dom parse
            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
            DocumentBuilder db = dbf.newDocumentBuilder();
            Document doc = db.parse(myxml);


            Element root = doc.getDocumentElement();
            System.out.println(root.getTagName());

//xpath
            System.out.println("xpath:");
            XPathFactory xpf = XPathFactory.newInstance();
            XPath xp = xpf.newXPath();
            XPathExpression xpe = xp.compile("/Address/Town[@id=456 ]/text()|" +
                                             "/Address/Town[last()]/attribute::myattr");

            Object res = xpe.evaluate(doc, XPathConstants.NODESET);
            NodeList nodes = (NodeList) res;
            for (int i = 0; i < nodes.getLength(); i++) {
                System.out.println("node:" + nodes.item(i).getNodeName() + ": " + nodes.item(i).getNodeValue());
            }

//xsd validation
            SchemaFactory sf = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema");
            File schemaLoc = new File("testschema.xsd");
            Schema sc = sf.newSchema(schemaLoc);

            Validator v = sc.newValidator();
            Source src = new StreamSource(myxml);


            try {
                v.validate(src);
                System.out.println("is valid");
            } catch (SAXException sax) {
                System.out.println("invalid");
            }

        } catch (ParserConfigurationException e) {
            e.printStackTrace();
        }



<?xml version="1.0" encoding="utf-8"?>
<Address>
    <Recipient>Mr. Walter C. Brown</Recipient>
    <House>49</House>
    <Street>Featherstone Street</Street>
    <Town id="123">LONDON</Town>
    <Town id="456">MOSCOW</Town>
    <Town id="789" myattr="nya">TOKYO</Town>
    <PostCode>EC1Y 8SY</PostCode>
    <Country>UK</Country>
</Address>




<?xml version="1.0" encoding="utf-8"?>
<xs:schema elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:element name="Address">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="Recipient" type="xs:string" />
                <xs:element name="House" type="xs:string" />
                <xs:element name="Street" type="xs:string" />
                <xs:element name="Town" type="xs:string" />
                <xs:element name="County" type="xs:string" minOccurs="0" />
                <xs:element name="PostCode" type="xs:string" />
                <xs:element name="Country">
                    <xs:simpleType>
                        <xs:restriction base="xs:string">
                            <xs:enumeration value="FR" />
                            <xs:enumeration value="DE" />
                            <xs:enumeration value="ES" />
                            <xs:enumeration value="UK" />
                            <xs:enumeration value="US" />
                        </xs:restriction>
                    </xs:simpleType>
                </xs:element>
            </xs:sequence>
        </xs:complexType>
    </xs:element>
</xs:schema>