Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.HashMap;
import java.util.Map;

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;

public class Main {
    private static Map<String, String> mappings = new HashMap<String, String>();
    static {
        mappings.put("package", "Package");
        mappings.put("libapp", "Application");
        mappings.put("module", "Module");
    }

    public static void main(String[] args) throws Throwable {
        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        String entryType = null;
        XPathExpression[] expressions = new XPathExpression[] {
                xpath.compile("local-name(*[local-name() = 'package'])"),
                xpath.compile("local-name(*[local-name() = 'libapp'])"),
                xpath.compile("local-name(*[local-name() = 'module'])") };

        DocumentBuilderFactory fac = DocumentBuilderFactory.newInstance();
        DocumentBuilder parser = fac.newDocumentBuilder();
        Document doc = parser.parse(args[0]);

        for (int i = 0; i < expressions.length; i++) {
            String found = (String) expressions[i].evaluate(doc.getDocumentElement(), XPathConstants.STRING);
            entryType = mappings.get(found);
            if (entryType != null && !entryType.trim().isEmpty()) {
                break;
            }
        }
        System.out.println(entryType);
    }
}