AMP API Client

AMPAPIClient.java

package com.ferdinandsilva.test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONException;
import org.json.JSONObject;

public class AMPAPIClient {

    private String username;
    private String password;

    public static final String BASE_API_URL = "http://162.243.250.142:8888/forwards/";
    
    public static final String AUTH_SESSION_METH = "AuthenticateSession";
    public static final String ACTIVE_SESSION_METH = "AuthenticateSession";
    public static final String LOGIN_METH = "Login";
    public static final String FORGOT_PASS_METH = "ForgotPassword";
    public static final String REG_MEMBER_METH = "RegisterMember";
    public static final String UPDATE_PROF_METH = "UpdateProfile";
    public static final String PROF_METH = "GetProfile";
    public static final String CHKPOINTS_METH = "CheckPoints";
    public static final String LST_ITEMS_METH = "ListItems";
    public static final String REDEEM_ITEMS_METH = "RedeemItems";
    public static final String GENDER_METH = "GeGender";
    public static final String ID_PRESENTED_METH = "GetIDPresented";
    public static final String NATIONALITY_METH = "GetNationality";
    public static final String OCCUPATION_METH = "GetOccupation";
    public static final String IS_SMOKER_METH = "GetIsSmoker";
    public static final String REFERRER_METH = "GetReferrer";
    public static final String REGION_METH = "GetRegion";
    public static final String CITY_METH = "GetCity";
    public static final String LOGOUT_METH = "Logout";
    
    public static void main(String[] args) {
    	AMPAPIClient apiClient = new AMPAPIClient("xxxx", "xxxxx");
    	System.out.println("Running client...");
    	apiClient.authenticateSession();
    }
    
    public AMPAPIClient(String user, String pass){
        this.username = user;
        this.password = pass;
    }
    public JSONObject executeMethod(String methodType, JSONObject jsonParam) {
        JSONObject ret = null; 
        StringBuilder strBuilder = new StringBuilder();
        
        HttpClient httpClient = new DefaultHttpClient();
        String urlToConnect = AMPAPIClient.BASE_API_URL + methodType.toLowerCase();
        HttpPost httpPost = new HttpPost(urlToConnect);
        
        System.out.println("Executing method...");
        System.out.println("The url is: " + urlToConnect);
        
        try {
            ByteArrayEntity byteArrayEntity = new ByteArrayEntity(jsonParam.toString().getBytes("UTF8"));
            httpPost.setEntity(byteArrayEntity);
            HttpResponse httpResponse = httpClient.execute(httpPost);
            StatusLine statusLine = httpResponse.getStatusLine();
            int statusCode = statusLine.getStatusCode();
            
            System.out.println("Checking status code...");
            System.out.println("Status code is: " + statusCode);
            
            if(statusCode==200) {
                
            	System.out.println("HTTP OK!");
                HttpEntity httpEntity = httpResponse.getEntity();
                InputStream inputStream = httpEntity.getContent();
                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
                String line;
                
                while((line = bufferedReader.readLine()) != null) {
                    strBuilder.append(line);
                }
                
                System.out.println("The return is: " + strBuilder.toString());
                
                ret = new JSONObject(strBuilder.toString());
            }
            
        } catch (ClientProtocolException e) {
            System.out.println(e.getMessage());
        } catch (IOException e) {
            System.out.println(e.getMessage());
        } catch (JSONException e) { 
            System.out.println(e.getMessage());
        }
        
        return ret;
    }
    
    public JSONObject authenticateSession() {
        
        JSONObject ret = null;
        
        try {
            JSONObject jsonObj = new JSONObject();
            jsonObj.put("Username", this.username);
            jsonObj.put("Password", this.password);
            
            ret = this.executeMethod(AMPAPIClient.AUTH_SESSION_METH, jsonObj);
            
        } catch (JSONException e) {
            System.out.println(e.getMessage());
        }
        
        return ret;
    }
    
    public JSONObject authenticateSession(String user, String pass) {
        
        JSONObject ret = null;
        this.username = user;
        this.password = pass;
        
        try {
            JSONObject jsonObj = new JSONObject();
            jsonObj.put("Username", this.username);
            jsonObj.put("Password", this.password);
            
            ret = this.executeMethod(AMPAPIClient.AUTH_SESSION_METH, jsonObj);
            
        } catch (JSONException e) {
            System.out.println(e.getMessage());
        }
        
        return ret;
    }
    
}