Question
Objectives Familiarity with using XMLTrees to process XML Familiarity with using while loops and static methods Exposure to RSS technology The Problem RSS (Really Simple
Objectives
Familiarity with using XMLTrees to process XML
Familiarity with using while loops and static methods
Exposure to RSS technology
The Problem
RSS (Really Simple Syndication) is an XML application for distributing web content that changes frequently. Many news-related sites, weblogs and other online publishers syndicate their content as an RSS Feed to whoever wants it.
For this project your task is to write a program that asks the user for the URL of an RSS 2.0 feed and for the name of an output file including the .html extension, reads the RSS feed into an XMLTree object and then uses the information in the XMLTree object to generate in the output file a nicely formatted HTML page with table of links to all the news items in the original feed.
Input: RSS 2.0 XML Document
Here is a simplified description of the structure of an RSS 2.0 XML document. RSS 2.0 documents can contain a few other tags and features, but these are the ones you will need for the project.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 |
Link goes here
Optional link goes here
...
...
|
Note the following properties of RSS 2.0 XML documents:
The children of the
All the children of
If a
Note that when your program creates an XMLTree object from a given RSS 2.0 feed, if it is successful, all you know is that the input is a valid XML document. It is up to your program to check that the label of the root of the XMLTree is an
Output: HTML Web Page
These are the minimum requirements for the generated web page. If you think you can produce better output or include more information, you should consult your instructor to make sure that any changes you want to implement are acceptable. This is what your output should include:
the
a header with the page title inside a link to the
a paragraph with the
a table with appropriate headers; each row should correspond to one news item with the following columns:
the publication date, if present, or "No date available"
the source, if present, which should be linked to the source url, or "No source available"
the title, if present and not empty, or the description, if not empty, or "No title available", which should be linked if a link for the news item is available
You can see an example of the output here (note that the links may be outdated and no longer available).
Method
Create a new Eclipse project by copying ProjectTemplate and name the new project RSSReader.
Open the src folder of this project and then open (default package). As a starting point you can use any of the Java files. Rename it RSSReader and delete the other files from the project. Open the RSSReader.java file in the editor.
Follow the link to RSSReader.java, select all the code on that page, copy it to the clipboard, and paste it into Eclipse's editor window to replace the skeleton code.
Edit RSSReader.java to satisfy the problem requirements stated above by completing the methods provided.
Select your Eclipse project RSSReader (not just some of the files, but the whole project), create a zip archive of it, and submit the zip archive to the Carmen dropbox for this project, as described in Submitting a Project.
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