Showing posts with label ATOM feed. Show all posts
Showing posts with label ATOM feed. Show all posts

Saturday, September 30, 2017

Read ATOM feeds using Apache Abdera

NewsFeedRead.java
import org.apache.abdera.Abdera;
import org.apache.abdera.model.*;
import org.apache.abdera.parser.Parser;

import java.net.URL;
import java.util.List;

public class NewsFeedRead {
    public static void main(String[] args) {
        Abdera abdera = new Abdera();
        Parser parser = abdera.getParser();

        try {
            URL url = new URL("https://news.google.com/news?output=atom");
            Document<Feed> doc = parser.parse(url.openStream(), url.toString());
            Feed feed = doc.getRoot();
            // Get the feed title
            System.out.println("Feed Title: " + feed.getTitle());

            // Get the entry items...
            for (Entry entry : feed.getEntries()) {
                System.out.println("Title: " + entry.getTitle());
                System.out.println("Unique Identifier: " + entry.getId().toString());
                System.out.println("Updated Date: " + entry.getUpdated().toString());
                System.out.println("Published Date: " + entry.getPublished());
                System.out.println("Content: " + entry.getContent());

                // Get the links
                for (Link link : (List<Link>) entry.getLinks()) {
                    System.out.println("Link: " + link.getHref());
                }

                // Get the categories
                for (Category category : (List<Category>) entry.getCategories()) {
                    System.out.println("Category: " + category.getTerm());
                }
            }
        } catch (Exception ex) {
            System.out.println("Error: " + ex.getMessage());
        }
    }
}


pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>CreateNewFeed</groupId>
    <artifactId>CreateNewFeed</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>
        <dependency>
            <groupId>org.apache.abdera</groupId>
            <artifactId>abdera-parser</artifactId>
            <version>1.1.1</version>
        </dependency>
    </dependencies>
</project>