Dallas - RESTful web services with Dropwizard : over 20 recipes to help you build high-performance, production-ready RESTful JVM-based backend services

RESTful Web Services with Dropwizard Over 20 recipes to help you build high-performance, production-ready RESTful JVM-based backend services Alexandros Dallas BIRMINGHAM - MUMBAI RESTful Web Services with Dropwizard Copyright 2014 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals.

However, Packt Publishing cannot guarantee the accuracy of this information. First published: February 2014 Production Reference: 1120214 Published by Packt Publishing Ltd. Livery Place 35 Livery Street Birmingham B3 2PB, UK. ISBN 978-1-78328-953-0 www.packtpub.com Cover Image by Jarek Blaminsky (milak6@wp.pl) Credits AuthorProject Coordinator Alexandros Dallas Sageer Parkar ReviewersProofreader Sunil Gulabani Paul Hindle Tan Tze Hon Indexer Cemalettin Koc Priya Subramani Acquisition EditorProduction Coordinator Vinay Argekar Komal Ramchandani Content Development EditorCover Work Rikshith Shetty Komal Ramchandani Technical Editors Pragnesh Bilimoria Nikhil Potdukhe Copy Editors Mradula Hegde Gladson Monteiro About the Author Alexandros Dallas studied Applied Informatics in Management and Economy and is now a software test engineer based in Athens. He has a solid programming/software development background, and whenever he is free, he spends his time contributing to open source projects. He is well aware of Dropwizard's core libraries, such as Jersey, since his interests include the development and integration of web APIs.

About the Reviewers Sunil Gulabani is a software engineer based in Ahmedabad, Gujarat, India. He graduated with a Bachelor's degree in Commerce from S. M. Patel Institute of Commerce (SMPIC) and a Master's degree in Computer Applications from Ahmedabad Education Society Institute of Computer Studies (AESICS). He has also presented the paper Effective Label MatchingFor Automated Evaluation of Use Case Diagrams at Technology For Education (T4E), IIIT-Hyderabad, an IEEE conference, along with senior lecturer Vinay Vachharajani and Dr. Jyoti Pareek.

He has been working since 2011 as a software engineer and is a cloud technology savvy. He has experience in developing enterprise solutions using Java (EE), Apache SOLR, RESTful Web Services, GWT, SmartGWT, Amazon Web Services (AWS), Redis, Memcache, and MongoDB, among others. He holds a keen interest in system architecture and integration, data modeling, and relational databases and mapping with NoSQL for high throughput. He is the author of the book Developing RESTful Web Services with Jersey 2.0 that focuses on the use of JAX-RS 2.0, which is an enhanced framework based on the RESTful architecture. Apart from that, he takes interest in writing tech blogs and is actively involved in knowledge-sharing communities. Visit him online at http://www.sunilgulabani.com, follow him on Twitter at twitter.com/sunil_gulabani, or reach him directly at sunil_gulabani@yahoo.com.

I would like to express my heartiest thanks to my parents and family members, who supported me at each and every level of my career, as well as my friends and colleagues, without whom jumping to the next step of my career would not have been possible. Tan Tze Hon has been fascinated by computers since his youth, and still remembers the days when trying to play a game meant wrestling with autoexec.bat files and resolving IRQ conflicts with great fondness. Having felt the pain of hand rolling his own RESTful Web Services, he has embraced Dropwizard to make programming fun again, and has since deployed a variety of Dropwizard services to production. He is currently a polyglot developer at ThoughtWorks, a company that specializes in agile software development. Once in a while, he writes about all things on technology at tzehon.com, when he feels that he has spent way too much time on Hacker News. Cemalettin Koc is a software engineer who specializes in designing and creating effective, scalable solutions for web environments.

He is very interested in researching on sample applications, and has over eight years of experience in software design, development, and support. He also enjoys doing research related to areas of social network analysis, social computing, recommendation algorithms, data visualization, data mining, information retrieval, business intelligence, and intelligent user interfaces. He has engineered strong, data-driven web applications using a great variety of frameworks. He also works with mobile technologies and has built apps for both iOS and Android OS. He lives in Istanbul, Turkey, with his wife Ceren and son Mert. www.PacktPub.com Support files, eBooks, discount offers and more You might want to visit www.PacktPub.com for support files and downloads related to your book. www.PacktPub.com Support files, eBooks, discount offers and more You might want to visit www.PacktPub.com for support files and downloads related to your book.

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Simply use your login credentials for immediate access. Table of Contents Chapter 1: Chapter 2: Chapter 3: Chapter 4: Chapter 5: Chapter 6: Chapter 7 Table of Contents Chapter 8: Chapter 9: Chapter 1 Appendix A: Appendix B: ii Preface Dropwizard is a Java development framework for RESTful Web Services. It was initially built by Yammer to be used as the base of their backend systems. Dropwizard is production-ready; it encapsulates everything you will need for RESTful development. Jersey, Jackson, jDBI, and Hibernate are only some of the libraries bundled with Dropwizard. Applications built on Dropwizard run on an embedded Jetty serveryou don't need to worry where to deploy your application or whether it is compatible with your target container.

Using Dropwizard, you will be able to build a fast, secure, and scalable web service application efficiently with minimum effort and time. Dropwizard is open source, and all of its modules are available though Maven repositories. That way, you are able to integrate every library you wishif it's not already presentjust by adding the appropriate dependency entry on your pom.xml file. Basic knowledge and understanding of Maven is required. What this book covers