Building Hypermedia APIs with HTML5 and Node by Mike Amundsen

By Mike Amundsen

With this concise ebook, you’ll research the artwork of creating hypermedia APIs that don’t easily run on the internet, yet that really exist in the internet. You’ll begin with the final rules and applied sciences at the back of this architectural strategy, after which dive hands-on into 3 fully-functional API examples.

Too many APIs depend on innovations rooted in computer and native sector community styles that don’t scale well—costly options which are tough to take care of through the years. This e-book indicates procedure architects and net builders find out how to layout and enforce human- and machine-readable internet companies that stay sturdy and versatile as they scale.
* examine the H-Factors for representing program metadata throughout all media varieties and codecs
* comprehend the 4 simple layout components for authoring hypermedia forms
* Convert an easy read-only XML-based media sort right into a winning API layout
* learn the demanding situations and merits of designing a hypermedia sort with JSON
* Use HTML5’s wealthy set of hypermedia controls within the API layout procedure
* examine the main points of documenting, publishing, and registering media style designs and link-relation kinds

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Extra resources for Building Hypermedia APIs with HTML5 and Node

Example text

Since web browsers can easily render HTML links and forms, defining your hypermedia API using HTML usually means that humans can easily surf your API* by stepping through the HTML as it is rendered in a browser. There are now a number of libraries capable of parsing HTML, XHTML, and HTML5 that are available for several platforms and environments. g. ). Since HTML can be used in wide number of client environments including web browsers, HTML can be a very good choice as a base format for your hypermedia designs.

Applied The application flow identifiers are not part of the hypermedia type, but the type designs contain allowances (usually element decorators or attributes) for applying external values to indicate application flow. HTML supports a number of attributes that can be used to add application flow information including the profile, id, name, rel, and class attributes. None There are several cases where your hypermedia design does not require any application flow identifiers. Usually this is when the problem space covered is rather limited and/ or read-only in nature.

In many existing media types, this is done using decorators on links (rel="edit" in AtomPub) and forms (name="payment" in HTML). However, in VoiceXML, a domainspecific design for telephony services, there are a number of application flow elements such as goto, exit, return, help, log, and others. g. ). g. HTML’s link relation values). Other designs rely on a public registry of values such as the IANA Link Relation Registry, Microformats Existing Rel Values, and Dublin Core Terms. Whether the application flow is identified using unique elements, attributes, or unique values for existing attributes, application flow styles for hypermedia can be categorized into three general groups: None This hypermedia type contains no identifiers for application flow.

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