May 2009 - skunkworks - Skunkworks Site

Re: [Skunkworks] Spring DI and OOP inheritance:
by wesley kiriinya 25 May '09

25 May '09

Another solution: You don't have to make the setters and getters private (i.e. setCustomerDao, getCustomer because the references they return are also private). Therefore the s/getters would be either protected or public allowing you to do the spring wiring as follows: <bean id="customerServiceImpl" class="ke.co.x.x.CustomerServiceImpl"> <property name="customerDao" ref="customerDao"/> </bean> --- On Mon, 5/25/09, Duggan Kim <mdkimani(a)gmail.com> wrote: From: Duggan Kim <mdkimani(a)gmail.com> Subject: Re: [Skunkworks] Spring DI and OOP inheritance: To: "Skunkworks forum" <skunkworks(a)lists.my.co.ke> Date: Monday, May 25, 2009, 10:09 AM Found Solution: The problem with my code is that the subclasses did not have a constructor making a call to super(). Turns out this was necessary to init the superclass, although it is usually left out in spring applications: public subclass(){ super(); } On Mon, May 25, 2009 at 10:02 AM, Frankline Chitwa <frank.chitwa(a)gmail.com> wrote: Hi, did you test if setCustoHi gmerDAO() actually sets your customerDao first before trying to get it? On Mon, May 25, 2009 at 1:52 AM, Ashok Hariharan <ashok(a)parliaments.info> wrote: On Sun, May 24, 2009 at 3:17 PM, Duggan Kim <mdkimani(a)gmail.com> wrote: > > Every other dependency is taken care of in Spring's > applicationContext.xml config file in a similar manner. > > When tested using JUnit or on the browser, a NullPointerException is > thrown at (2). The DAO > defined in the superclass is null in the subclass. This raises the > question whether Spring's DI supports normal Java class inheritance > and if it does, is there any special config required for this? I am not so familiar with spring as such... but dependency injection frameworks require interfaces for both implementing classes *and* properties .... is the customerDAO object based on an interface ? ashok _______________________________________________ Skunkworks mailing list Skunkworks(a)lists.my.co.ke http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks Other services @ http://my.co.ke Other lists ------------- Skunkworks announce: http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks-announce Science - http://lists.my.co.ke/cgi-bin/mailman/listinfo/science kazi - http://lists.my.co.ke/cgi-bin/mailman/admin/kazi/general _______________________________________________ Skunkworks mailing list Skunkworks(a)lists.my.co.ke http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks Other services @ http://my.co.ke Other lists ------------- Skunkworks announce: http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks-announce Science - http://lists.my.co.ke/cgi-bin/mailman/listinfo/science kazi - http://lists.my.co.ke/cgi-bin/mailman/admin/kazi/general -----Inline Attachment Follows----- _______________________________________________ Skunkworks mailing list Skunkworks(a)lists.my.co.ke http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks Other services @ http://my.co.ke Other lists ------------- Skunkworks announce: http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks-announce Science - http://lists.my.co.ke/cgi-bin/mailman/listinfo/science kazi - http://lists.my.co.ke/cgi-bin/mailman/admin/kazi/general

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Spring DI and OOP inheritance:
by Duggan Kim 25 May '09

25 May '09

Hi all, I have a problem with Spring dependency injection. The scenario is as follows: I have a number of Data Access Objects (DAOs), Service Classes, and Web Layer Controllers. Data exchange between the different layers takes place via Sping DI. Injecting a DAO directly to my Controllers works fine but this brings in design issues. So I have included the Service layer that undertakes additional business logic before sending the data to the DAOs. The implementation of the service layer includes a base service class inherited by other classes: i.e: public class ServiceImpl implements Service{ (1)protected Dao<Customer, String> customerDao private void setCustomerDao(Dao<Customer, String> customerDao){ this.customerDao = customerDao; } ............ ............. ...... } public class CustomerServiceImpl extends ServiceImpl implements CustomerService{ private void getCustomer(String customerId){ (2) customerDao.getCustomerById(customerId); } ......................... .......................... ........................ } The customerDao in ServiceImpl injected by Spring as follows <bean id="serviceImpl" class="ke.co.x.x.ServiceImpl"> <property name="customerDao" ref="customerDao"/> </bean> <bean id="customerServiceImpl" class="ke.co.x.x.CustomerServiceImpl"> </bean> Every other dependency is taken care of in Spring's applicationContext.xml config file in a similar manner. When tested using JUnit or on the browser, a NullPointerException is thrown at (2). The DAO defined in the superclass is null in the subclass. This raises the question whether Spring's DI supports normal Java class inheritance and if it does, is there any special config required for this?

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Personalising a News Site
by Theus Owicho 25 May '09

25 May '09

Skunkers I am looking to buy the interspire.com CMS or vivvo.net CMS and wants someone to make for me a news site which is more comprehensive. Can you guys give me the rates you would charge me offlist for the job. I need the news site ASAP T

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online customer sales and support centre operational
by aki 25 May '09

25 May '09

not marketing.... completed centre. check it out at www.chekelea.com , click on support centre and follow link. Live to be operational very soon. At the moment, only setup sales department but can setup support, engineering, watch, internal tracking etc. Site will provide any new annoncements and knowledgebase. Please feel free to test for next 2 days and some feedback would be appreciated. :-) Cheers. Rgds.

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What is the most important Linux security technology?
by Steve 25 May '09

25 May '09

when setting up your server with linux what would you deploy for security? iptables, SE linux or bastille.

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Home internet solution
by Simon Mbuthia 25 May '09

25 May '09

Hi guys, I have an iBurst wireless modem from Afol at home and would like to share my connection between a laptop and a desktop. I was thinking of acquiring an integrated router which would be my home AP, connect the iBurst terminal to it, and use a straight through cable to connect the PC to the ISR and let the laptop connect via Wi-Fi. Is this possible? If so, which ISR would be appropriate? Thanks in advance, Me. -- שִׁמְעוֹן

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Podcasting Skunkwork Meetings (and anything else)
by Josiah Mugambi 25 May '09

25 May '09

I was walking around downtown looking at music/sound equipment for other purposes and came across a podcasting kit that's going for 11k (USB interface) or 15k (Firewire interface). Perhaps this could be useful...? The actual systems are: http://www.behringer.com/EN/Products/Packaged_Systems/Recording_Packages/ -- Josiah Mugambi +254 738 504418 http://blog.josiahmugambi.com SK Classifeds... Visit stockskenya.co.ke for more info.

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Used Toshiba Satellite Notebook 1300 series for sale
by Dennis Kioko 25 May '09

25 May '09

A friend is selling a used notebook, Toshiba Satellite 1300 series, with the following specs: - AMD turion 64 1.8 (dual core) - 250 GB HDD - 3 GB RAM - 14 inch TFT LCD - DVD RW lightscribe - illuminated keyboard - 2 X USB - Wifi/Bluetooth - line in/microphone/audio out - in built speakers - ATI Radeon Price is Kshs. 55,000/= contact him on 0725 743500/020 240 7390. -- Read about how other countries are outdoing Kenyans when it comes to milking the taxpayer. all this and more at my blog: http://gramware.blogspot.com

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Kenya to host first open source software awards
by Gakuru Alex 24 May '09

24 May '09

/FYI ---------- Forwarded message ---------- Date: Wednesday, 27 May, 2009 Venue:Panafric Hotel, Nairobi Time: Media briefing 12:00 noon - 12:30 pm Nominees and invited guests arrive at 12:30 pm Registrations desk to open at 2:00 pm Guests should be seated by 2:20 pm Open Awards Ceremony 2:30 - 5:00 pm Entry: Free Seat Reservations: email opensourceawards(a)lpakenya.org ( cc' gakuru(a)gmail.com) You are most welcome. The event continues to draw increasing international attention... Alex Gakuru ICT Consumers Association of Kenya ---------- Forwarded message ---------- Tectonic » Kenya to host first open source software awards May 20, 2009 ... The Linux Professional Association of Kenya and ICT Consumers Association of Kenya will be hosting Kenya's first-ever open source awards at ... <http://www.tectonic.co.za/?p=4796> ________________________________ This as-it-happens Google Alert is brought to you by Google. _______________________________________________ ke-internetusers mailing list ke-internetusers(a)bdix.net http://www.bdix.net/mailman/listinfo/ke-internetusers

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Window 7 RC!!
by James Wachira 24 May '09

24 May '09

Hi guys, anyone with a copy of the RC?Would love to try it out. James W -- I believe,

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