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  • Book Overview & Buying The JavaScript JSON Cookbook
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The JavaScript JSON Cookbook

The JavaScript JSON Cookbook

By : Ray Rischpater
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The JavaScript JSON Cookbook

The JavaScript JSON Cookbook

1 (2)
By: Ray Rischpater

Overview of this book

If you're writing applications that move structured data from one place to another, this book is for you. This is especially true if you've been using XML to do the job because it's entirely possible that you could do much of the same work with less code and less data overhead in JSON. While the book's chapters make some distinction between the client and server sides of an application, it doesn't matter if you're a frontend, backend, or full-stack developer. The principles behind using JSON apply to both the client and the server, and in fact, developers who understand both sides of the equation generally craft the best applications.
Table of Contents (17 chapters)
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JavaScript JSON Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Using JSONPath in your Java application


There's an implementation of JSONPath for Java, too, written by Jayway. It's available from GitHub, or you can obtain it through the Central Maven Repository if your project uses the Maven build system. It matches the original JSONPath API, returning Java objects and collections for fields in JSON objects.

Getting ready

You'll need to either download the code from GitHub at https://github.com/jayway/JsonPath, or, if you're using Maven as your build system, include the following dependency:

<dependency>
<groupId>com.jayway.jsonpath</groupId>
<artifactId>json-path</artifactId>
<version>2.0.0</version>
</dependency>

How to do it…

The Java implementation parses your JSON and exports a JsonPath class with a method read that reads JSON, parses it, and then extracts the contents at the path you pass:

String json = "...";

List<String>titles = JsonPath.read(json,
"$.store.book[*].title");

How it works…

The read...

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