Java XPath Get GetMobivateSessionId()

Description

Get Mobivate Session Id

License

Apache License

Declaration

private static String GetMobivateSessionId() 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;

import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

public class Main {
    static final String LoginUrlModifier = "/login/%s/%s";
    static final String BaseApiUrl = "http://app.mobivatebulksms.com/bulksms/xmlapi";
    static final String Username = "info@hallmark-jewellers.com";
    static final String Password = "Fraser";

    private static String GetMobivateSessionId() {
        try {//www .j av a  2  s.  co  m
            String loginUri = String.format(LoginUrlModifier,
                    URLEncoder.encode(Username, "ISO-8859-1"), Password);
            Document document = DoApiCall(loginUri, null);
            return extractData(document, "/xaresponse/session");
        } catch (XPathExpressionException | UnsupportedEncodingException ex) {
            return null;
        }

    }

    private static Document DoApiCall(String requestUri, String requestXml) {
        URLConnection connection;
        try {
            URL url = new URL(BaseApiUrl + requestUri);
            connection = url.openConnection();
            connection.setRequestProperty("ContentType",
                    "application/x-www-form-urlencoded");
            connection.setRequestProperty("User-Agent",
                    "HALLMARK_STOCK_SYSTEM");
            connection.setDoOutput(true);
        } catch (IOException ex) {
            return null;
        }

        if (requestXml != null) {
            try (OutputStreamWriter out = new OutputStreamWriter(
                    connection.getOutputStream())) {
                out.write(requestXml);
            } catch (IOException io) {
                return null;
            }
        }

        String response;
        try {
            BufferedReader in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream()));

            String decodedString;
            StringBuilder responseBlock = new StringBuilder();

            while ((decodedString = in.readLine()) != null) {
                responseBlock.append(decodedString);
            }
            in.close();
            response = responseBlock.toString();
        } catch (IOException io) {
            return null;
        }

        Document doc;
        try {
            DocumentBuilderFactory dbf = DocumentBuilderFactory
                    .newInstance();
            DocumentBuilder db = dbf.newDocumentBuilder();
            InputSource source = new InputSource(new ByteArrayInputStream(
                    response.getBytes("utf-8")));
            doc = db.parse(source);
        } catch (IOException | ParserConfigurationException | SAXException ex) {
            return null;
        }

        return doc;

        //        var request = (HttpWebRequest)WebRequest.Create(HttpUtility.HtmlEncode(BaseApiUrl + requestUri));
        //
        //        request.ContentType = "application/x-www-form-urlencoded";
        //        request.UserAgent = "HALLMARK_STOCK_SYSTEM";
        //
        //        if (requestXml != null && string.IsNullOrWhiteSpace(requestXml) == false)
        //        {
        //            request.Method = WebRequestMethods.Http.Post;
        //            request.ContentLength = requestXml.Length;
        //            using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
        //            {
        //                writer.Write(requestXml);
        //                writer.Close();
        //            }
        //        }
        //        else
        //        {
        //            request.Method = WebRequestMethods.Http.Get;
        //        }
        //
        //        // probably need usings here
        //        var response = request.GetResponse();
        //        var responseString = string.Empty;
        //        using (StreamReader reader = new StreamReader(response.GetResponseStream()))
        //        {
        //            responseString = reader.ReadToEnd();
        //            response.Close();
        //        }
        //
        //        return XDocument.Parse(responseString);
    }

    private static String extractData(Document document, String xpathNode)
            throws XPathExpressionException {
        XPathFactory xpathFactory = XPathFactory.newInstance();
        XPath xpath = xpathFactory.newXPath();

        return xpath.evaluate(xpathNode, document);
    }
}

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6. getNameBasedXPath(Node n, boolean includeCurrent)
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