Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.File;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

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.Node;
import org.w3c.dom.NodeList;

public class Main {
    public static void main(String[] args) throws Exception {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document doc = builder.parse(new File("Table.xml"));

        XPathFactory xFactory = XPathFactory.newInstance();
        XPath path = xFactory.newXPath();
        XPathExpression exp = path.compile("/tables/table");
        NodeList nlTables = (NodeList) exp.evaluate(doc, XPathConstants.NODESET);
        for (int tblIndex = 0; tblIndex < nlTables.getLength(); tblIndex++) {
            Node table = nlTables.item(tblIndex);
            Node nAtt = table.getAttributes().getNamedItem("title");
            System.out.println(nAtt.getTextContent());
            exp = path.compile("headings/heading");
            NodeList nlHeaders = (NodeList) exp.evaluate(table, XPathConstants.NODESET);
            Set<String> headers = new HashSet<String>(25);
            for (int index = 0; index < nlHeaders.getLength(); index++) {
                headers.add(nlHeaders.item(index).getTextContent().trim());
            }
            for (String header : headers) {
                System.out.println(header);
            }
            exp = path.compile("tablebody/tablerow");
            NodeList nlRows = (NodeList) exp.evaluate(table, XPathConstants.NODESET);
            for (int index = 0; index < nlRows.getLength(); index++) {
                Node rowNode = nlRows.item(index);
                exp = path.compile("tablecell/item");
                NodeList nlValues = (NodeList) exp.evaluate(rowNode, XPathConstants.NODESET);
                List<String> values = new ArrayList<String>(25);
                for (int valueIndex = 0; valueIndex < nlValues.getLength(); valueIndex++) {
                    values.add(nlValues.item(valueIndex).getTextContent().trim());
                }
                for (String value : values) {
                    System.out.println(value);
                }
            }
        }
    }
}