August 2001
Intermediate to advanced
400 pages
9h 28m
English
Content preview from Java Programming with Oracle SQLJ
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C.3. SQLJ in JavaServer Pages
JavaServer Page s (JSP) are similar to HTML pages except that they contain Java statements in addition to the HTML tags. This section shows a simple JSP, named JSPExample.sqljsp, that contains SQLJ statements, and then describes how to deploy that JSP to iAS. For an introduction to JavaServer Pages, I recommend the book JavaServer Pages by Hans Bergsten (O'Reilly).
A JSP file normally has the extension .jsp. However, a JSP that contains SQLJ statements must have the extension .sqljsp. This extension tells iAS that before running the JSP, it must first use the SQLJ utility to translate any SQLJ statements that may be in the file. The example program, JSPExample.sqljsp (Example C-3), retrieves and displays the same customer details as the other examples in this appendix.
Example C-3. JSPExample.sqljsp
<!-- JSPExample.sqljsp illustrates how to include SQLJ statements in JavaServer Pages. --> <!-- Import the SQLJ classes --> <%@ page import="java.sql.*" %> <%@ page import="sqlj.runtime.ref.DefaultContext,oracle.sqlj.runtime.Oracle" %> <html> <head> <title>Customers</title> </head> <body> <%! // declare an iterator class #sql private static iterator CustIteratorClass( int id, String first_name, String last_name, java.sql.Date dob, String phone ); %> <% try { DefaultContext conn_context = Oracle.connect( "jdbc:oracle:thin:@localhost:1521:orcl", "fundamental_user", "fundamental_password" ); CustIteratorClass cust_iterator; #sql [conn_context] cust_iterator ... |
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