Oracle's Shapefile Converter converts ESRI Shapefiles to and loads them into Oracle tables, including an SDO_GEOMETRY column. This converter works with Oracle 10g and higher. The jar files listed here are from the Oracle 184.108.40.206 DB release. If any other version of the files are required, please copy them from the corresponding DB install from the $ORACLE_HOME/md/jlib directory.
The Oracle Spatial Java Library enables applications written in Java to access and process geometry objects managed in Oracle Database with Oracle Spatial. The library's geometry interface hierarchy extends the OpenGIS Consortium simple feature geometry model by handling nonlinear as well as linear geometry objects.