Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import org.apache.http.HttpResponse;

import org.apache.http.util.EntityUtils;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;

import java.io.StringReader;

import java.util.HashMap;

import java.util.Map;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

public class Main {
    public static Map handleXMLResponse(HttpResponse response) {
        Map<String, String> oauthResponse = new HashMap<String, String>();
        try {

            String xmlString = EntityUtils.toString(response.getEntity());
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            DocumentBuilder db = factory.newDocumentBuilder();
            InputSource inStream = new InputSource();
            inStream.setCharacterStream(new StringReader(xmlString));
            Document doc = db.parse(inStream);

            System.out.println("********** XML Response Received **********");
            parseXMLDoc(null, doc, oauthResponse);
        } catch (Exception e) {
            e.printStackTrace();
            throw new RuntimeException("Exception occurred while parsing XML response");
        }
        return oauthResponse;
    }

    public static void parseXMLDoc(Element element, Document doc, Map<String, String> oauthResponse) {
        NodeList child = null;
        if (element == null) {
            child = doc.getChildNodes();

        } else {
            child = element.getChildNodes();
        }
        for (int j = 0; j < child.getLength(); j++) {
            if (child.item(j).getNodeType() == org.w3c.dom.Node.ELEMENT_NODE) {
                Element childElement = (Element) child.item(j);
                if (childElement.hasChildNodes()) {
                    System.out.println(childElement.getTagName() + " : " + childElement.getTextContent());
                    oauthResponse.put(childElement.getTagName(), childElement.getTextContent());
                    parseXMLDoc(childElement, null, oauthResponse);
                }

            }
        }
    }
}