LeadSquaredAPIManager.java

import org.json.simple.*;
import org.json.simple.parser.*;
import java.io.*;
import java.net.*;
import java.security.MessageDigest;
import java.text.SimpleDateFormat;
import java.util.*;


public class LeadSquaredAPIManager {

	public static final String LSQ_BASE_URL = "https://api.leadsquared.com/v2/";
	public static final String LSQ_CREATE_LEAD_URL = "LeadManagement.svc/Lead.Create";
	private String accessKey;
	private String secretKey;

	public LeadSquaredAPIManager (String accessKey, String secretKey) {
		this.accessKey = accessKey;
		this.secretKey = secretKey;
	}
	
	public String addLead(String leadJSONString) throws Exception {
		try {
			String url = LSQ_BASE_URL + LSQ_CREATE_LEAD_URL + "?accessKey=" + this.accessKey + "&secretKey=" + this.secretKey;
			return postData (url, leadJSONString);
		} catch (Exception e){
                    throw e;
		}
	}
	
	public String postData(String url, String leadJsonString) throws Exception {
		try {
                    URL lsqURL = new URL (url);
                    HttpURLConnection connection = (HttpURLConnection) lsqURL.openConnection();
                    connection.setRequestMethod("POST");
                    connection.addRequestProperty ("Content-Type", "application/json");
                    connection.setDoOutput(true);
                    OutputStreamWriter wr = new OutputStreamWriter(connection.getOutputStream());
                    wr.write(leadJsonString);
                    wr.flush();

                    InputStream in = connection.getInputStream();
                    BufferedReader res = new BufferedReader(new InputStreamReader(in, "UTF-8"));

                    StringBuffer sBuffer = new StringBuffer();
                    String inputLine;

                    while ((inputLine = res.readLine()) != null)
                        sBuffer.append(inputLine);

                    res.close();
                    return sBuffer.toString();
		}catch(Exception ex){
                      throw ex;
		}
	}
	public static void main(String[] args)
	{
		try  {
                    LeadSquaredJSONHelper leadJSON = new LeadSquaredJSONHelper();
                    leadJSON.addLeadAttribute("EmailAddress", "kaushik.kishore@marketxpander.com");
                    leadJSON.addLeadAttribute ("FirstName", "Kaushik");
                    leadJSON.addLeadAttribute ("LastName", "Kishore");

                    String jsonData = leadJSON.getJSONString();		

                    // adding a lead
                    String accessKey = "<your access key here>";
                    String secretKey = "<your secret key here>";

                    LeadSquaredAPIManager lead = new LeadSquaredAPIManager(accessKey, secretKey);

                    lead.addLead(jsonData);
                } catch (Exception ex) {
                }
	}
    
}