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getting started with webservices .

Tirthankar Dutta Chaudhuri
Ranch Hand

Joined: Feb 26, 2005
Posts: 48
hi,
i am new to web services ,i need to develop a java web services in tom cat . I am having problems in getting started can any one suggest me any easy way to get started .
Thanks,
Tirthankar
Masoud Kalali
Author
Ranch Hand

Joined: Jul 08, 2004
Posts: 531

Hi
one way is to getting Axis and start with it
Axis 1.2 supports RPC/encoded , Document/literal patterns.
for getting Axis check out : http://ws.apache.org/axis/
it has a start up document. and a very larg community of users

Another very good alternative (A very Standard way) is to get Netbeans bundled with Sun AS ,it is capable of building Web services too.
http://www.netbeans.org

Another alternative is SWSDK SUn web service developmetn Kit :
you can get it from : http://java.sun.com
there are some good tutorials for it on sun site.it is bundled with Tomcat.



if you have some special requirement then let me know , i'll try to make suggestion for you.


hope it helps


Masoud Kalali
Software Engineer - My Weblog - GlassFish Security
Tirthankar Dutta Chaudhuri
Ranch Hand

Joined: Feb 26, 2005
Posts: 48
Hi,
Thanks a lot , i need to biuld an application in jakartatomacat and jwsdp
. can any one help with some sample codes ..
Thanks,
Tirthankar
Nischal Tanna
Ranch Hand

Joined: Aug 19, 2003
Posts: 182
Originally posted by Masoud Kalali:
Hi
one way is to getting Axis and start with it
Axis 1.2 supports RPC/encoded , Document/literal patterns.
for getting Axis check out : http://ws.apache.org/axis/
it has a start up document. and a very larg community of users

Another very good alternative (A very Standard way) is to get Netbeans bundled with Sun AS ,it is capable of building Web services too.
http://www.netbeans.org

Another alternative is SWSDK SUn web service developmetn Kit :
you can get it from : http://java.sun.com
there are some good tutorials for it on sun site.it is bundled with Tomcat.



if you have some special requirement then let me know , i'll try to make suggestion for you.


hope it helps



Masoud,
I have heard of this RPC/encoded and Document/Literal patterns.... Can i get some more detail on these patterns... I mean which one is the preferred 1.


Thnx
Masoud Kalali
Author
Ranch Hand

Joined: Jul 08, 2004
Posts: 531

Masoud,
I have heard of this RPC/encoded and Document/Literal patterns.... Can i get some more detail on these patterns... I mean which one is the preferred 1.



Hi
First of all you should consider that a WSDL describe A web service . SOAP messages describe binding to a Service
binding could be Encoded or Literal
invoking the service could be in RPC mode or document centeric Mode.
so SOAP files could be Encoded or Literal ,thus we have 4type/style to have web services exposed to outside world/implemented
1.RPC/encoded
2.Document/encoded
3.RPC/literal
4.Document/literal
Another pattern is Document Wrapped which is a Microsoft Format , thre is no Spec for this one and
AFAIK pople who want to implemet WS frameworks should find its specs by reverse eng.

by the way :
from the 4 above type :
1-in RPC encoded everything -SOAP and WSDL are easy to read- is straightforward , but you have problem in Interoperability ,Validation ...
2-Document encoded has no use
3-RPC/literal is straightforward but still validation of message is a prob . and it is WS-I compliant
4-Document literal is the most known binding/use . it is WS-i compliant. in this mode WSDL filed are complicated and hard to read by human

in a brief :
if you are going to implement some WEB service then you should (its better to) use Document/literal or
Document Wrapped because this two mode are supported in both .Net and Java wordl. these are WS-I compliant.

JAXRPC support all except Document/encoded which has not any use.
AXIS in version 1 (AFAIR) suports RPC/encoded but in 1.2 it supports document/literal too.

I have not go with thier Performance , sure you can find more and more details on the web about both performance and more description of this models :
i suggest you look at :
http://java.sun.com/developer/technicalArticles/xml/jaxrpcpatterns/index.html
Masoud Kalali
Author
Ranch Hand

Joined: Jul 08, 2004
Posts: 531

Originally posted by Tirthankar Dutta Chaudhuri:
Hi,
Thanks a lot , i need to biuld an application in jakartatomacat and jwsdp
. can any one help with some sample codes ..
Thanks,
Tirthankar


Dear friend , if you download the JWSDP then you can find tens of sample about all JAX Suff there
from binding to calling ....
just look at JAX( X )/samples . there are also much tutorials about how to doing some thing in JWDP
check the sun site and look at Web service community in http://community.java.net
if you face problme in running a sample then i will be happy to help you
 
 
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