creates and maintains a singleton instance of openidclaimmapper concode_field_sep String OPENID_CLAIM_MAPPER_FILE_PATH concode_elem_sep String LN_AXSCHEMA concode_elem_sep OpenIDClaimMapper instance concode_elem_sep String LN_SREG concode_elem_sep String LN_OPENID_SCHEMA concode_elem_sep HashMap<String,String> sregMapping concode_elem_sep HashMap<String,String> axMapping concode_elem_sep String LN_CLAIM_MAPPER concode_elem_sep String LN_CLAIM concode_field_sep void process concode_elem_sep void process concode_elem_sep HashMap<String,String> getSregMapping concode_elem_sep HashMap<String,String> getAxMapping