Atom Publishing Protocol

What is Atom Publishing Protocol?

It is application-level protocol for publishing and editing Web resources. The Atom Publishing Protocol is documented in rfc5023. The schema/format of Atom is documented in rfc4287.

I am going to use following maven dependencies throughout this tutorial.

  <!-- https://mvnrepository.com/artifact/org.apache.abdera/abdera-core -->
  <dependency>
   <groupId>org.apache.abdera</groupId>
   <artifactId>abdera-core</artifactId>
   <version>1.1.3</version>
  </dependency>

  <!-- https://mvnrepository.com/artifact/org.apache.abdera/abdera-parser -->
  <dependency>
   <groupId>org.apache.abdera</groupId>
   <artifactId>abdera-parser</artifactId>
   <version>1.1.3</version>
  </dependency>

A Typical Atom document looks like below.

<?xml version='1.0' encoding='UTF-8'?>
<feed xmlns="http://www.w3.org/2005/Atom">
  <id>tag:blogger.com,1999:blog-3062500619105519975</id>
  <updated>2016-12-17T20:29:02.425Z</updated>
  <title type="text">java tutorial : Blog to learn java programming</title>
  <subtitle type="text">Learners Blog</subtitle>
  <category term="Programming" scheme="scheme" label="Java Tutorial for beginners"/>
  <contributor>
    <name>Krishna</name>
    <email>Krishna@Krishna.com</email>
    <uri>https://self-learning-java-tutorial.blogspot.com</uri>
  </contributor>
  <generator uri="http://www.blogger.com" version="7.00">Blogger</generator>
  <icon>https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJHpypki-Y-JqQUorVvFkZkU0JWZKxkb138p8W-saAaVr4qaPKTgpkE7BV8sqq0elgI_pDejsHMxTEmY2KPLgwrkfyQXwWqkXYWRUJIKj_ci1JDFzVpKg1lddacb8SifWynpsWfmR_RH4j/s1600/1.bmp</icon>
  <link href="https://self-learning-java-tutorial.blogspot.com/feeds/posts/default" rel="http://schemas.google.com/g/2005#feed" type="application/atom+xml" title="" hreflang="" length="0"/>
  <link href="http://www.blogger.com/feeds/3062500619105519975/posts/default?alt=atom" rel="self" type="application/atom+xml" title="" hreflang="" length="0"/>
  <author>
    <name>hari krishna</name>
    <email>noreply@blogger.com</email>
    <uri>https://self-learning-java-tutorial.blogspot.com</uri>
  </author>
  <logo>https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJHpypki-Y-JqQUorVvFkZkU0JWZKxkb138p8W-saAaVr4qaPKTgpkE7BV8sqq0elgI_pDejsHMxTEmY2KPLgwrkfyQXwWqkXYWRUJIKj_ci1JDFzVpKg1lddacb8SifWynpsWfmR_RH4j/s1600/1.bmp</logo>
  <rights type="text">Copyrighted : Java Tutorial</rights>
  <entry>
    <id>tag:blogger.com,1999:blog-3062500619105519975.post-918659526208416960</id>
    <published>2016-12-17T20:29:02.445Z</published>
    <updated>2016-12-17T20:29:02.445Z</updated>
    <title type="text">SWT: Slider Tutorial</title>
    <content type="html">Slider class is used to define Slider widget</content>
    <author>
      <name>Hari Krishna Gurram</name>
      <email>noreply@blogger.com</email>
      <uri>https://self-learning-java-tutorial.blogspot.com</uri>
    </author>
    <author>
      <name>Rama Krishna Gurram</name>
      <email>noreply@blogger.com</email>
      <uri>https://self-learning-java-tutorial.blogspot.com</uri>
    </author>
    <contributor>
      <name>Ritweek Mehenty</name>
      <email>noreply@blogger.com</email>
      <uri>https://self-learning-java-tutorial.blogspot.com</uri>
    </contributor>
    <contributor>
      <name>Sailaja Navakotla</name>
      <email>noreply@blogger.com</email>
      <uri>https://self-learning-java-tutorial.blogspot.com</uri>
    </contributor>
    <category term="GUI" scheme="scheme" label="SWT for beginners"/>
    <rights type="text">Copyrighted : SWT Tutorial</rights>
    <summary type="text">SWT For beginners</summary>
  </entry>
</feed>

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