Abdera: Atom logo element

Logo element represents an URI that identifies an image that provides visual identification for a feed.

Example

<logo>https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJHpypki-Y-JqQUorVvFkZkU0JWZKxkb138p8W-saAaVr4qaPKTgpkE7BV8sqq0elgI_pDejsHMxTEmY2KPLgwrkfyQXwWqkXYWRUJIKj_ci1JDFzVpKg1lddacb8SifWynpsWfmR_RH4j/s1600/1.bmp</logo>

Feed interface provides setLogo method to set logo to a feed.

HelloWorld.java

import java.io.IOException;
import java.util.Date;

import org.apache.abdera.Abdera;
import org.apache.abdera.model.Content;
import org.apache.abdera.model.Entry;
import org.apache.abdera.model.Feed;
import org.apache.abdera.model.Text;
import org.apache.abdera.writer.Writer;

public class HelloWorld {

 private static void addMetaData(Feed feed) {
  feed.setId("tag:blogger.com,1999:blog-3062500619105519975");
  feed.setUpdated(new Date());
  feed.setTitle("java tutorial : Blog to learn java programming");
  feed.setSubtitle("Learners Blog");

  feed.addCategory("scheme", "Programming", "Java Tutorial for beginners");

  feed.addContributor("Krishna", "Krishna@Krishna.com", "https://self-learning-java-tutorial.blogspot.com");

  feed.setGenerator("http://www.blogger.com", "7.00", "Blogger");

  feed.setIcon("https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJHpypki-Y-JqQUorVvFkZkU0JWZKxkb138p8W-saAaVr4qaPKTgpkE7BV8sqq0elgI_pDejsHMxTEmY2KPLgwrkfyQXwWqkXYWRUJIKj_ci1JDFzVpKg1lddacb8SifWynpsWfmR_RH4j/s1600/1.bmp");

  addLinksToFeed(feed);
  addAuthorToFeed(feed);
  
  feed.setLogo("https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJHpypki-Y-JqQUorVvFkZkU0JWZKxkb138p8W-saAaVr4qaPKTgpkE7BV8sqq0elgI_pDejsHMxTEmY2KPLgwrkfyQXwWqkXYWRUJIKj_ci1JDFzVpKg1lddacb8SifWynpsWfmR_RH4j/s1600/1.bmp");
 }

 private static void addLinksToFeed(Feed feed) {
  /* Adding Links */
  String rel = "http://schemas.google.com/g/2005#feed";
  String type = "application/atom+xml";
  String href = "https://self-learning-java-tutorial.blogspot.com/feeds/posts/default";
  String title = "";
  String hreflang = "";
  long length = 0;

  feed.addLink(href, rel, type, title, hreflang, length);

  rel = "self";
  type = "application/atom+xml";
  href = "http://www.blogger.com/feeds/3062500619105519975/posts/default?alt=atom";

  feed.addLink(href, rel, type, title, hreflang, length);

 }

 private static void addAuthorToFeed(Feed feed) {
  String name = "hari krishna";
  String email = "noreply@blogger.com";
  String iri = "https://self-learning-java-tutorial.blogspot.com";

  feed.addAuthor(name, email, iri);
 }

 private static void addEntry(Feed feed) {

  Entry entry1 = feed.addEntry();
  entry1.setId("tag:blogger.com,1999:blog-3062500619105519975.post-918659526208416960");
  Date date = new Date();
  entry1.setPublished(date);
  entry1.setUpdated(date);
  entry1.setTitle("SWT: Slider Tutorial", Text.Type.TEXT);
  entry1.setContent("Slider class is used to define Slider widget", Content.Type.HTML);
  entry1.addAuthor("Hari Krishna Gurram", "noreply@blogger.com",
    "https://self-learning-java-tutorial.blogspot.com");
  entry1.addAuthor("Rama Krishna Gurram", "noreply@blogger.com",
    "https://self-learning-java-tutorial.blogspot.com");
  entry1.addContributor("Ritweek Mehenty", "noreply@blogger.com",
    "https://self-learning-java-tutorial.blogspot.com");
  entry1.addContributor("Sailaja Navakotla", "noreply@blogger.com",
    "https://self-learning-java-tutorial.blogspot.com");

  entry1.addCategory("scheme", "GUI", "SWT for beginners");

  feed.addEntry(entry1);
 }

 public static void main(String args[]) throws IOException {
  Abdera abdera = new Abdera();

  /* Create a new Feed instance. */
  Feed feed = abdera.newFeed();

  /* Populate feed */
  addMetaData(feed);
  addEntry(feed);

  /* Print the feed to console */
  Writer writer = abdera.getWriterFactory().getWriter("prettyxml");
  feed.writeTo(writer, System.out);
 }
}

Output

<?xml version='1.0' encoding='UTF-8'?>
<feed xmlns="http://www.w3.org/2005/Atom">
  <id>tag:blogger.com,1999:blog-3062500619105519975</id>
  <updated>2016-12-17T16:50:05.938Z</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>
  <entry>
    <id>tag:blogger.com,1999:blog-3062500619105519975.post-918659526208416960</id>
    <published>2016-12-17T16:50:05.960Z</published>
    <updated>2016-12-17T16:50:05.960Z</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"/>
  </entry>
</feed>

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