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Eloquentia: A quirky, tag-based blog engine


Why not? :) I (Thiago) for a long time had an idea of writing a blog engine that was heavily based on tags and which provided specific the option of having per-tag and per-post style. In addition, it would be used as a light CMS too, so that's why Eloquentia uses the word 'page', not 'post'.

Another reason was creating a pratical, useful project to learn some new interesting stuff like Apache Tapestry 5.4 (due to the project at work, I barely had used T5.2 and later), MongoDB (I've never used a NoSQL database before) and Twitter Bootstrap.

Tags, tags everywhere

Each tag has:

  • A name, which can only use lowercase letters, digits or dashes ('-')
  • A boolean 'subdomain' field which defines affects the tag URL.
  • A title
  • An optional subtitle, which is used in the tag page and in pages which have this tag as their first one.
  • CSS which will be added to its page and to all pages which have that tag.

The URL of a tag is based on its the name. For example, if a tag name is tapestry, the URL will be if it's marked as a subdomain and otherwise.

Pages (posts)

Each page has:

  • An URI, which is used to define the page's URL. It can use lowercase letters, digits, dashes ('-') and slashes ('-'), but cannot start or end with a slash.
  • A title
  • A teaser, which is a short text describing the page and used in the page listing and RSS feed.
  • The content itself.
  • The date (including time) in which it was posted. Dates in the future are used to schedule when a given page should appear.
  • The date (including time) in which it was last edited
  • An author

The URL of a given page depends on its first (as in order) of its tags, if any. Suppose a page with URI stuff/eloquentia and tags project and java. If project is a tag marked as a subdomain, the URL of the page will be Otherwise, it'll be


Eloquentia is configured to use a local MongoDB instance without authentication. Its page, tag and user collections are supposed to be in the eloquentia database. This isn't configurable yet.

Eloquentia is powered by


A quirky blog engine written in Apache Tapestry 5 and MongoDB



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