Java Database Connectivity (JDBC)

Hello
I will explain the scenario:
In our java web page, we are using three text boxes to enter "Part number,Description and Aircraft type". Every time the user no need to enter all these data. The person can enter any combination of data or only one text box. Actually the output data corresponding to this input entries is from five Oracle table. If we are using a single query to take data from all the five tables, the database will hang. So I written a procedure "SEARCH1",this will accept any combination of values (for empty values we need to pass NULL to this procedure) and output data from all the five tables. When I executing this procedure in SQL editor, the execution is very fast and giving exact result. I used "dbms_output.put_line" clause for outputing multiple records in my procedure. The output variables are "Serial No, part Number, Description, Aircraft type,Part No1,Part No2,Part No3,Part No4". I want to use the same procedure "SEARCH1" for outputing data in java web page.The passing argument I can take from the text box provided in java web page. I am using jdbc thin driver to connect our java web page to Oracle 9i database.
Note1 : If any combination of search item not available, in procedure itself I am outputing a message like "Part Number not found". Here I am using four words ("Part" is the first word,"Number" is the second,"Not" s the third, and "found" is the fourth) for outputing this message.Is it necessary to equalise number of words I am using here to the record outputing eight variable?

Our current development work is stopped because of this issue. So any one familier in this field,plese help me to solve our issue by giving the sample code for the same scenario.

My Email-id is : pramod_penguin@yahoo.com

I will expect yor early mail.

With thanks
Pramod kumar.