Customize Existing Java Plugin

The Logger++ open source plugin has all functions required. Only requirement is to customize it and have to remove extra features that are not needed. 1) Need to modify Logger++ (open source) java based plugin. 2) The plugin should take required URL as input then it should spider the entire website. 3) From the spider data , the plugin should grep all comments & content matches to user defined keywords (regex based inputs should be accepted from user). 4) We should have a place to key in extra user defined keywords to search for. 5) There should be export option to save the data captured. Note: Logger++ plugin has all functions required. Only requirement is to customize it & remove extra features that are not needed.