User:Rick.barkhouse.oracle.com/Test1

Dynamic JAXB: Flickr Example

This example will demonstrate how to use MOXy's Dynamic JAXB features to work with public JSON and XML feeds, without having to create concrete Java classes.

Getting JSON from Reddit

Reddit provides a public JSON feed using the following URL format:

http://www.reddit.com/r/science/top/.json?sort=top&t=day&limit=5

This will return us the following JSON. For this example, we are primarily interested in the title and url fields of data/children/data.

Getting XML from Flickr

Flickr provides a public XML feed using the following URL format:

http://api.flickr.com/services/feeds/photos_public.gne?tags=science

This will return us the following XML. For this example, we are primarily interested in the href attribute from each link element containing @type='image/jpeg'.

Appendix - Data Formats

Reddit JSON Format

{
  "kind":"Listing",
  "data":{
    "modhash":"qdohhwkxss9091dc13eed91db333b619420a787aa2a39b3982",
    "children":[
      {
        "kind":"t3",
        "data":{
          "domain":"news.mongabay.com",
          "banned_by":null,
          "media_embed":{
 
          },
          "subreddit":"science",
          "selftext_html":null,
          "selftext":"",
          "likes":null,
          "link_flair_text":null,
          "id":"1f5jv3",
          "clicked":false,
          "title":"Plants re-grow after 500 years under the ice",
          "media":null,
          "score":2665,
          "approved_by":null,
          "over_18":false,
          "hidden":false,
          "thumbnail":"",
          "subreddit_id":"t5_mouw",
          "edited":false,
          "link_flair_css_class":null,
          "author_flair_css_class":null,
          "downs":5569,
          "saved":false,
          "is_self":false,
          "permalink":"/r/science/comments/1f5jv3/plants_regrow_after_500_years_under_the_ice/",
          "name":"t3_1f5jv3",
          "created":1369712639.0,
          "url":"http://news.mongabay.com/2013/0527-dimitrova-ice-plants.html",
          "author_flair_text":null,
          "author":"soyuz-capsule",
          "created_utc":1369683839.0,
          "ups":8234,
          "num_comments":178,
          "num_reports":null,
          "distinguished":null
        }
      },
      ...

Flickr XML Format

<?xml version="1.0" encoding="UTF-8"?>
<feed xmlns="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:flickr="urn:flickr:user" xmlns:media="http://search.yahoo.com/mrss/">
  <title>Recent Uploads tagged science</title>
  <link rel="self" href="http://api.flickr.com/services/feeds/photos_public.gne?tags=science" />
  <link rel="alternate" type="text/html" href="http://www.flickr.com/photos/tags/science/" />
  <id>tag:flickr.com,2005:/photos/public/tagged/all/science</id>
  <icon>http://l.yimg.com/g/images/buddyicon.gif</icon>
  <subtitle />
  <updated>2013-05-28T17:54:28Z</updated>
  <generator uri="http://www.flickr.com/">Flickr</generator>
  <entry>
    <title>Space Shuttle Endeavour</title>
    <link rel="alternate" type="text/html" href="http://www.flickr.com/photos/d3capmode/8869663050/" />
    <id>tag:flickr.com,2005:/photo/8869663050</id>
    <published>2013-05-28T17:54:28Z</published>
    <updated>2013-05-28T17:54:28Z</updated>
    <flickr:date_taken>2013-05-26T14:11:25-08:00</flickr:date_taken>
    <dc:date.Taken>2013-05-26T14:11:25-08:00</dc:date.Taken>
    <content type="html">&lt;p&gt;&lt;a href="http://www.flickr.com/people/d3capmode/"&gt;Jason Scheier&lt;/a&gt; posted a photo:</content>
    <author>
      <name>Jason Scheier</name>
      <uri>http://www.flickr.com/people/d3capmode/</uri>
      <flickr:nsid>49842342@N07</flickr:nsid>
      <flickr:buddyicon>http://farm6.staticflickr.com/5452/buddyicons/49842342@N07.jpg?1369198532#49842342@N07</flickr:buddyicon>
    </author>
    <link rel="enclosure" type="image/jpeg" href="http://farm8.staticflickr.com/7366/8869663050_e0aa1331fe_b.jpg" />
    <category term="park" scheme="http://www.flickr.com/photos/tags/" />
    <category term="love" scheme="http://www.flickr.com/photos/tags/" />
    <category term="los" scheme="http://www.flickr.com/photos/tags/" />
    <category term="memorial" scheme="http://www.flickr.com/photos/tags/" />
    <category term="day" scheme="http://www.flickr.com/photos/tags/" />
    <category term="control" scheme="http://www.flickr.com/photos/tags/" />
    <category term="angeles" scheme="http://www.flickr.com/photos/tags/" />
    <category term="space" scheme="http://www.flickr.com/photos/tags/" />
    <category term="engineering" scheme="http://www.flickr.com/photos/tags/" />
    <category term="center" scheme="http://www.flickr.com/photos/tags/" />
    <category term="science" scheme="http://www.flickr.com/photos/tags/" />
    <category term="nasa" scheme="http://www.flickr.com/photos/tags/" />
    <category term="exposition" scheme="http://www.flickr.com/photos/tags/" />
    <category term="shuttle" scheme="http://www.flickr.com/photos/tags/" />
    <category term="mission" scheme="http://www.flickr.com/photos/tags/" />
    <category term="jpl" scheme="http://www.flickr.com/photos/tags/" />
    <category term="starship" scheme="http://www.flickr.com/photos/tags/" />
    <category term="endeavour" scheme="http://www.flickr.com/photos/tags/" />
  </entry>
  <entry>
  ...