Metacat

Revise code to decide use which parser.

Fixed a bug to checking error.

Revise getURLContent method and give up httpclient.

Add code to get rid of white space in url.

Using httpclient as http and https protocol handler.

Add a new method to replace whtie space by %20 in url string.

Change a debug statement.

Change the code to get docid.

Add debugMessage.

This class will write triple to db.