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Update DisplayMessageActivity.java #1

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309 changes: 150 additions & 159 deletions src/com/thinkingserious/sendgrid/DisplayMessageActivity.java
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Original file line number Diff line number Diff line change
@@ -1,174 +1,165 @@
package com.thinkingserious.sendgrid;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.concurrent.ExecutionException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;

import com.thinkingserious.sendgrid.R;

import android.os.AsyncTask;
import android.os.Bundle;
import android.app.Activity;
import android.view.MenuItem;
import android.widget.TextView;
import android.support.v4.app.NavUtils;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.view.MenuItem;
import android.widget.TextView;

import org.json.simple.JSONObject;
import org.json.simple.JSONArray;
import org.json.simple.parser.ParseException;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.concurrent.ExecutionException;

@SuppressLint("NewApi")
public class DisplayMessageActivity extends Activity {


// Get statistics from SendGrid using the Web API, returns a JSON object as described in the URL below
// http://sendgrid.com/docs/API_Reference/Web_API/Statistics/index.html
class StatsFromSendGrid extends AsyncTask<String, Void, String> {

@Override
protected String doInBackground(String... params) {
HttpClient httpclient = new DefaultHttpClient();
Utils creds = new Utils();
// Reference: http://sendgrid.com/docs/API_Reference/Web_API/Statistics/index.html
String url = "https://api.sendgrid.com/api/stats.get.json?api_user=" + creds.getUsername() + "&api_key=" + creds.getPassword();
// Prepare a request object
HttpGet httpget = new HttpGet(url);

// Execute the request
HttpResponse response = null;
String result = null;
try {
response = httpclient.execute(httpget);
HttpEntity entity = response.getEntity();
InputStream instream = entity.getContent();
result = convertStreamToString(instream);
// now you have the string representation of the HTML request
instream.close();
} catch (Exception e) {}
return result;
}

// Code taken from here: http://stackoverflow.com/questions/4457492/simple-http-client-example-in-android
private String convertStreamToString(InputStream is) {
/*
* To convert the InputStream to String we use the BufferedReader.readLine()
* method. We iterate until the BufferedReader return null which means
* there's no more data to read. Each line will appended to a StringBuilder
* and returned as String.
*/
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
StringBuilder sb = new StringBuilder();

String line = null;
try {
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return sb.toString();
}
}

@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_display_message);

// Make sure we're running on Honeycomb or higher to use ActionBar APIs
if ( Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB ) {
// Show the Up button in the action bar.
getActionBar().setDisplayHomeAsUpEnabled(true);
}

// Get the message from the intent
Intent intent = getIntent();
String message = intent.getStringExtra(MainActivity.EXTRA_MESSAGE);

// Update the display with the response code from the mail end point
TextView testView = (TextView) findViewById(R.id.response);
message = "Email Send Status: " + message + "\n";
testView.setText(message);

// Get the stats from the SendGrid Web API
StatsFromSendGrid stats = new StatsFromSendGrid();
String result = null;
try {
result = stats.execute().get();
} catch (InterruptedException e) {
// TODO Implement exception handling
e.printStackTrace();
} catch (ExecutionException e) {
// TODO Implement exception handling
e.printStackTrace();
}

// Make the returned JSON readable
JSONParser parser=new JSONParser();
try{
Object obj = parser.parse(result);
JSONArray array = (JSONArray)obj;
JSONObject obj2 = (JSONObject)array.get(0);
result = "Requests: " + obj2.get("requests").toString();
result = result + "\nDelivered: " + obj2.get("delivered").toString();
result = result + "\nOpens: " + obj2.get("opens").toString();
}catch(ParseException pe){
result = pe.toString();
}

// Update the display with data from the stats end point
testView = (TextView) findViewById(R.id.statistics);
testView.setText(result);

}

/**
* Set up the {@link android.app.ActionBar}, if the API is available.
*/
@SuppressLint("NewApi")
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
private void setupActionBar() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
getActionBar().setDisplayHomeAsUpEnabled(true);
}
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// This ID represents the Home or Up button. In the case of this
// activity, the Up button is shown. Use NavUtils to allow users
// to navigate up one level in the application structure. For
// more details, see the Navigation pattern on Android Design:
//
// http://developer.android.com/design/patterns/navigation.html#up-vs-back
//
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
}

// Get statistics from SendGrid using the Web API, returns a JSON object as described in the URL below
// http://sendgrid.com/docs/API_Reference/Web_API/Statistics/index.html
class StatsFromSendGrid extends AsyncTask<String, Void, String> {

@Override
protected String doInBackground(String... params) {
UtilsDEFAULT creds = new UtilsDEFAULT();
// Reference: http://sendgrid.com/docs/API_Reference/Web_API/Statistics/index.html
String url = "https://api.sendgrid.com/api/stats.get.json?api_user=" + creds.getUsername() + "&api_key=" + creds.getPassword();

// Execute the request
String result = null;
try {
// Prepare a request object
URL urlObj = new URL(url);
HttpURLConnection urlConnection = (HttpURLConnection) urlObj.openConnection();
InputStream is = urlConnection.getInputStream();
result = convertStreamToString(is);
// now you have the string representation of the HTML request
is.close();
} catch (Exception e) {
}
return result;
}

// Code taken from here: http://stackoverflow.com/questions/4457492/simple-http-client-example-in-android
private String convertStreamToString(InputStream is) {
/*
* To convert the InputStream to String we use the BufferedReader.readLine()
* method. We iterate until the BufferedReader return null which means
* there's no more data to read. Each line will appended to a StringBuilder
* and returned as String.
*/
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
StringBuilder sb = new StringBuilder();

String line = null;
try {
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return sb.toString();
}
}

@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_display_message);

// Make sure we're running on Honeycomb or higher to use ActionBar APIs
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
// Show the Up button in the action bar.
getActionBar().setDisplayHomeAsUpEnabled(true);
}

// Get the message from the intent
Intent intent = getIntent();
String message = intent.getStringExtra(MainActivity.EXTRA_MESSAGE);

// Update the display with the response code from the mail end point
TextView testView = (TextView) findViewById(R.id.response);
message = "Email Send Status: " + message + "\n";
testView.setText(message);

// Get the stats from the SendGrid Web API
StatsFromSendGrid stats = new StatsFromSendGrid();
String result = null;
try {
result = stats.execute().get();
} catch (InterruptedException e) {
// TODO Implement exception handling
e.printStackTrace();
} catch (ExecutionException e) {
// TODO Implement exception handling
e.printStackTrace();
}

// Make the returned JSON readable
JSONParser parser = new JSONParser();
try {
Object obj = parser.parse(result);
JSONArray array = (JSONArray) obj;
JSONObject obj2 = (JSONObject) array.get(0);
result = "Requests: " + obj2.get("requests").toString();
result = result + "\nDelivered: " + obj2.get("delivered").toString();
result = result + "\nOpens: " + obj2.get("opens").toString();
} catch (ParseException pe) {
result = pe.toString();
}

// Update the display with data from the stats end point
testView = (TextView) findViewById(R.id.statistics);
testView.setText(result);

}

/**
* Set up the {@link android.app.ActionBar}, if the API is available.
*/
@SuppressLint("NewApi")
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
private void setupActionBar() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
getActionBar().setDisplayHomeAsUpEnabled(true);
}
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// This ID represents the Home or Up button. In the case of this
// activity, the Up button is shown. Use NavUtils to allow users
// to navigate up one level in the application structure. For
// more details, see the Navigation pattern on Android Design:
//
// http://developer.android.com/design/patterns/navigation.html#up-vs-back
//
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
}
}