public PasswordProvider getPasswordProvider() {
        return context.get(PasswordProvider.class);
    }
Utility function to get the Parser that was sent in to the
ParseContext to handle embedded documents.  If it is stateful,
unwrap it to get its stateless delegating parser.
<p>
If there is no Parser in the parser context, this will return null.

@param context
@return
tika-core/src/main/java/org/apache/tika/extractor/EmbeddedDocumentUtil.java