Comicparser

This is the main class which is inherited by the Comic class. This class contains the logic to parse the webpage of a strip and get all necessary information about the strip (image-url, image-text, strip-title, etc). This class contains 2 abstract methods which must be implemented by inheriting classes.

• parse -- given a connection to the webpage, get all info about the strip
• htmlNeeded -- if a html webpage requires to be parsed in order to get information about the image-url, this function should return 'true', else 'false'.