package src;

import java.io.IOException;

import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicHeader;
import org.apache.http.util.EntityUtils;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONTokener;

class Main{
	static final String USERNAME     = "************";
    static final String PASSWORD     = "pass+token";
    static final String LOGINURL     = "https://login.salesforce.com";
    static final String GRANTSERVICE = "/services/oauth2/token?grant_type=password&access_token=offline";
    static final String CLIENTID     = "3MVG9g9rbsTkKnAVl5uH7qGQy3Cy8zeGcmScjViW4xVDWzMNHHn4LwAVz9OgqVvc5LTV574JRPfQtaGLbAaja";
    static final String CLIENTSECRET = "1179135639053529602";
    private static String REST_ENDPOINT = "/services/data" ;
    private static String API_VERSION = "/v41.0" ;
    private static String baseUri;
    private static Header oauthHeader;
    private static Header prettyPrintHeader = new BasicHeader("X-PrettyPrint", "1");

    static String Name="basic.txt";
    static String AttachmentId="";


    public static void main(String[] args) {

        @SuppressWarnings("deprecation")
		DefaultHttpClient httpclient = new DefaultHttpClient();

        // Assemble the login request URL

        String loginURL = LOGINURL +

                          GRANTSERVICE +

                          "&client_id=" + CLIENTID +

                          "&client_secret=" + CLIENTSECRET +

                          "&username=" + USERNAME +

                          "&password=" + PASSWORD;

        // Login requests must be POSTs

        System.out.println("login URL:"+loginURL);

        HttpPost httpPost = new HttpPost(loginURL);

        HttpResponse response = null;

        try {

            // Execute the login POST request

            response = httpclient.execute(httpPost);

        } catch (ClientProtocolException cpException) {

            System.out.println("in client protocol exception:"+cpException);

            // Handle protocol exception

        } catch (IOException ioException) {

            System.out.println("in ioexception:"+ioException);

            // Handle system IO exception

}

//Setting Up Your Java Developer Environment Verify the REST Environment (REST-Based APIs)

// verify response is HTTP OK

        final int statusCode =

response.getStatusLine().getStatusCode();

        if (statusCode != HttpStatus.SC_OK) {

            System.out.println("Error authenticating to Force.com:"+statusCode);

// Error is in EntityUtils.toString(response.getEntity())

return; }

        String getResult = null;

        try {

            getResult = EntityUtils.toString(response.getEntity());

        } catch (IOException ioException) {

            // Handle system IO exception

        }

        JSONObject jsonObject = null;

        String loginAccessToken = null;

        String loginInstanceUrl = null;

        try {

            jsonObject = (JSONObject) new JSONTokener(getResult).nextValue();

            loginAccessToken = jsonObject.getString("access_token");

            loginInstanceUrl = jsonObject.getString("instance_url");

        } catch (JSONException jsonException) {

            // Handle JSON exception

        }

        System.out.println(response.getStatusLine());

        System.out.println("Successful login");

        System.out.println("  instance URL: "+loginInstanceUrl);

        System.out.println("  access token/session ID:"+loginAccessToken);

        // release connection

        httpPost.releaseConnection();

    }
}