Step 6: Decide Which Type of Portlet to Build
One of the fundamental choices you will face when building Java-based OracleAS Portal portlets is whether to use the Oracle PDK (Portal Development Kit) or to build your portlet to an open standard. There are pros and cons to each of these approaches:
Open Standard: JSR 168
As mentioned earlier, OracleAS Portal is not the only portal product on the market. IBM, BEA, Microsoft, and JBoss (now part of Red Hat), ...