Metacat

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.

Move the code that writes triple to db to DBSAXHandler class.

Add code to parse triple.

Add a method to write error message into log file.

Revise code to handle text node be splitted into two nodes.