Java – Daily Quote Webservice API Example

on January 19, 2017

Post Views: 712

Daily Quote Webservice API Example in Java

In this example, I have written simple program about Daily Quote Webservice API Example in Java. The program has been tested and output shared in the same post.

Project Structure

Daily Quote Webservice API Example in Java

Response.java

package com.dineshkrish;
public class Response {
private Success success;
private Contents contents;
public Success getSuccess() {
return success;
}
public void setSuccess(Success success) {
this.success = success;
}
public Contents getContents() {
return contents;
}
public void setContents(Contents contents) {
this.contents = contents;
}
}

Success.java

package com.dineshkrish;
public class Success {
private int total;
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
}

Contents.java

package com.dineshkrish;
import java.util.ArrayList;
public class Contents {
private ArrayList<Quote> quotes;
public ArrayList<Quote> getQuotes() {
return quotes;
}
public void setQuotes(ArrayList<Quote> quotes) {
this.quotes = quotes;
}
}

Quote.java

package com.dineshkrish;
public class Quote {
private String quote;
private String length;
private String author;
private String[] tags;
private String category;
private String date;
private String title;
private String background;
private String id;
public String getQuote() {
return quote;
}
public void setQuote(String quote) {
this.quote = quote;
}
public String getLength() {
return length;
}
public void setLength(String length) {
this.length = length;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public String[] getTags() {
return tags;
}
public void setTags(String[] tags) {
this.tags = tags;
}
public String getCategory() {
return category;
}
public void setCategory(String category) {
this.category = category;
}
public String getDate() {
return date;
}
public void setDate(String date) {
this.date = date;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getBackground() {
return background;
}
public void setBackground(String background) {
this.background = background;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
}

GetTodayQuote.java

package com.dineshkrish;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import com.google.gson.Gson;
/**
* 
* @author Dinesh Krishnan
*
*/
public class GetTodayQuote {
public static void main(String[] args) {
// Service provider
final String SERVICE_URL = "http://quotes.rest/qod.json"; 
// defining Gson object
Gson gson = new Gson();
try {
URL url = new URL(SERVICE_URL);
System.out.println("1. Calling Service....");
// opening the connection
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
String response = "";
// getting the InputStream from response
InputStream inputStream = connection.getInputStream();
// building string from json response
int data = inputStream.read();
while(data != -1) {
response = response + (char)data;
data = inputStream.read();
}
inputStream.close();
System.out.println("2. Rendering the response....");
// converting Json to object
Response responseObj =  gson.fromJson(response, Response.class);
System.out.println("3. Printing the result...");
System.out.println("------------------------------");
Quote quote = responseObj.getContents().getQuotes().get(0);
// printing the result
System.out.println("Today ("+quote.getDate()+") Quote : "+quote.getQuote());
System.out.println("Author : "+quote.getAuthor());
} catch (MalformedURLException e) {
System.out.println(e.getMessage());
e.printStackTrace();
} catch (IOException e) {
System.out.println(e.getMessage());
e.printStackTrace();
}
}
}

JSON Response

{
"success": {
"total": 1
},
"contents": {
"quotes": [
{
"quote": "Own 100 percent of your focus. The most challenging of endurance drills will bring you to a level of optimal mental and physical performance.",
"length": "141",
"author": "Lorii Myers",
"tags": [
"endurance",
"focus",
"in-the-zone",
"inspire",
"optimum"
],
"category": "inspire",
"date": "2017-01-19",
"title": "Inspiring Quote of the day",
"background": "https://theysaidso.com/img/bgs/man_on_the_mountain.jpg",
"id": "ejoiFh5LCmr_bp6PiNVdtweF"
}
]
}
}

Output

1. Calling Service….
2. Rendering the response….
3. Printing the result…
——————————
[su_highlight]Today (2017-01-19) Quote : Own 100 percent of your focus. The most challenging of endurance drills will bring you to a level of optimal mental and physical performance.
Author : Lorii Myers[/su_highlight]