5.4. Web Component Client
The MusicCart has a JSP web component client that uses the stateful MusicCart EJB and MusicIterator EJB. This JSP program is more complicated than the examples you've seen previously, so let's take time to explain its structure.
The MusicCart shopping JSP program consists of five JSP files. You've already seen error.jsp (see Listing 4.10 on page 119), so we're not going to repeat that program here. Figure 5-6 shows how the other JSP files interact.
Figure 5-6. Relationship Among JSP Files for the MusicCart JSP Web Component
The login.jsp and loginPost.jsp files allow the client to “log in” and establish a customer identity. ...
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