Archive for the ‘General’ Category

Spring Social

Saturday, April 20th, 2013
Happen to me read about Spring Source’s contribution towards Social Networking It’s pretty interesting one, at the same time will it be used in the real time, any guess? Yes, This enables Spring Framework for the development of social-ready applications. When we develop some enterprise application which needs to post the data on Twitter/Facebook, this will be really good tool to rely upon. Take an example of developing a new portal for a retailer and posting about week end sales, new product updates, special discounts on Social networking platforms, Since this is going to be an enterprise application, there are chances that retailer wanted to develop this with J2EE technologies ;)
OK, now let’s look on the details of the Spring Social and it’s components. Since it has to interact with Social Networking platforms, it has to have a common authentication mechanism for this, SS+ uses OAuth.
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Long Time, I’m missing my Blog.

Monday, June 13th, 2011

Wanted to Come back now. Lets See.

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Google URL Shortner API

Monday, January 24th, 2011
One of the most important Google Tool i use regularly is Google URL Shortner, this is very helpful when you work with Social networking sites especially, When we wanted to share an URL which is too long and can’t fit into the char limit, that time this tool becomes handy. Even though we had few URL Shortner utilities like bit.ly, tinyurl earlier, when Google launched it’s own tool, i started using this more. Even though bit.ly is also giving you the option to analyze your URL traffics and etc, I love to work with Google, since most of the time i’m logged into any of the Google services. So it’ll be easy to use goo.gl
Basically it takes the URL and convert into a small/tiny with very few characters. We can use tools like Unshort me to unshorten the URL which are shortern by bit.ly etc. This can be applied to goo.gl URL’s also. As like all other services, Google provides API for this also. The API details can be found here. As like Google’s other API’s we need to have the Key to use this API as well.
To get your API activated on your profile, Please visit here. In the left hand panel, you can get your Key created for your profile and you can use it on your code. You can use programming languages of your choice and get the JSON data parsed which is returned from Google API Service.
We’ll look at two examples, of how to make a call to URL Shortner API. One with PHP and other one with Java.
Using PHP to Call API Service
			<?php

				$myURL = 'http://www.dzone.com/links/index.html';
				$googleAPIKey = 'URAPIKey';

				$requestData = array('longUrl' => $myURL, 'key' => $googleAPIKey);
				$jsonDetails = json_encode($requestData);

				$curl = curl_init();

				curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-type:application/json'));
				curl_setopt($curl, CURLOPT_POSTFIELDS, $jsonDetails);
				curl_setopt($curl, CURLOPT_URL, 'https://www.googleapis.com/urlshortener/v1/url');
				curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
				curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);

				$responseData = curl_exec($curl);

				$jsonData = json_decode($responseData);

				curl_close($curl);

				echo 'Shortened URL is '.$jsonData->id;

			?>
		
Code in Action,Click Here
Using Java to Call API Service
I have used the basic “HttpsURLConnection”, but still you have plenty of other options to call Google’s API using Java.
			package com.techmaddy;

			import java.io.BufferedInputStream;
			import java.io.PrintWriter;
			import java.net.URL;
			import javax.net.ssl.HttpsURLConnection;

			public class URLShortnerDemo {

				public static void main(String[] args) {
					System.out.println("The URL is "+getShortURL());
				} //End of main

				public static String getShortURL() {
					URL simpleURL = null;
					HttpsURLConnection url = null;
					BufferedInputStream bStream = null;
					StringBuffer resultString = new StringBuffer("");
					String inputString = "{\"longUrl\":\"" + "http://news.google.com.sg/news?cf=all&ned=in&hl=en&edchanged=1" + "\"}";
					try {
						simpleURL = new URL("https://www.googleapis.com/urlshortener/v1/url?key=yourAPIKey");
						url = (HttpsURLConnection)simpleURL.openConnection();
						url.setDoOutput(true);
						url.setRequestProperty("content-type", "application/json");
						PrintWriter pw = new PrintWriter(url.getOutputStream());
						pw.print(inputString);
						pw.close();
					}
					catch (Exception ex) {
					  return "Exception in Connecting to API";
					}

					  try {
						  bStream = new BufferedInputStream(url.getInputStream());
						  int i;
						  while ((i = bStream.read()) >= 0) {
							  resultString.append((char)i);
						  }
					  }
					  catch (Exception ex) {
							return "Exception in Reading Result";
					  }

					return resultString.toString();

				} //End of getShortURL

			} //End of URLShortnerDemo
		
Output for JAVA
Google URL Shortner API Java OP
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