Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.StringWriter;

import java.util.Map;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;

import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

public class Main {
    private static final DocumentBuilderFactory DOCUMENT_BUILDER_FACTORY = DocumentBuilderFactory.newInstance();

    public static <K, V> String mapToXml(Map<K, V> map, String rootName, String childName, String keyName,
            String valueName) throws TransformerException, ParserConfigurationException {
        Document document = DOCUMENT_BUILDER_FACTORY.newDocumentBuilder().newDocument();

        Element root = document.createElement(rootName);
        document.appendChild(root);

        for (Map.Entry<K, V> errorCodeReport : map.entrySet()) {
            Element s = document.createElement(childName);
            root.appendChild(s);

            s.setAttribute(keyName, errorCodeReport.getKey().toString());
            s.setAttribute(valueName, errorCodeReport.getValue().toString());
        }

        return getStringFromDocument(document);
    }

    public static String getStringFromDocument(Document doc) {
        DOMSource domSource = new DOMSource(doc);
        StringWriter writer = new StringWriter();
        StreamResult result = new StreamResult(writer);
        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer transformer;
        try {
            transformer = tf.newTransformer();
            transformer.transform(domSource, result);
        } catch (Exception e) {
            throw new IllegalStateException(e);
        }

        return writer.toString();
    }
}