Metacat

Add the methods to figure out the schema location base on namespace, format id or no-namespace-schema-location uri.

Add a new constant for no-namespace schemas.

Add a method to get the type.

Add a method to get the type of the schema.

Add a new class represent a schema without a namespace.

Add a SAX parser to determine the namespace of a xml object. It only parses the root element, then stops.

Disable the feature of downloading external schemas.

Change the log information a little bit.

use the new rules to validate an xml object base on dtds.

Every time when we modified the metacat.properties file through the PropertyService, the Setting class will be updated as well. Otherwise, the values on the Setting class are still the old one.