Application Development Directory Structure

I work with a team consisting of five programmers who want to rewrite a suite of software developed in C/C++ to Java. This will consist of numerous application programs; none of which are web-based. We use the UNIX OS and will access an Oracle database using JDBC. We also maintain our source code using CVS. We want to deploy each of our applications as a separate jar file. We would also like to identify either individual applications or groups of applications as Java packages. Our problem is setting up our development directory structure. We've been struggling with various structures, most of which work fine if our source files don't have a package statement, but we've had no luck finding a package statement that works.

They aren't "extraneous levels", they are fundamental
requirements of Java. Have a look at this
http://java.sun.com/docs/books/tutorial/java/interpack/
ackages.html. Any beginner Java book/article/tutorial
should explain packages.Thanks for the url, I have perused numerous java books and searched the Sun site, but haven't found anything precise. In some locations I've seen it recommended to separate the source and classes in different directories, while other sources have them together in one file.
Also, in response to an earlier comment, I think
having different related applications under the same
development tree and separated by packages is much
easier to maintain/use/develope than having them all
completely separate.We will have approximately 50 applications, with about 25 related to one application area and the other 25 related to another application area. The source for each of these application areas will be under CVS. To me it doesn't seem like the most convienent way to manage the software. But we'll have to do what we'll have to do.

Similar Messages

An EFFECTIVE development directory structure for J2EE platform?

Hi, here we r talking about deployment environment more than development
environment. Have u ever think about designing an EFFECTIVE development
directory structure for J2EE platform( e.g. weblogic )? u r not using the
deployment directories for coding, r u? :)
I used to construct a dir structure for dev and want to improve it.
d:/wholesystem/*.prj // Project files
...../module1/src/com/.... // Module source files
...../module1/doc/... // Module doc files
...../module1/classes/... // Module class files
...../module2/...
...../web/*.jsp // web page files
...../web/images/... // web page images
...../web/WEB-INF/... //...
Do u have any good ideas? Thanks!
* Name: Gary Wang
* Tele: 010-65546668-8119
* Mail: [email protected]

Create a web-inf folder at the same level of src and
jsp folder inside src
i mean
/build.xml
/src/
/src/java/<package>/...../*.java
/src/demo/<package/...../*.java
/src/test/<package>/....../*.java
/src/jsp
/web-infSo, would you put in /src/jsp only the *.jsp?
And what in /WEB-INF ? What woud you put there? Would you do something like:
/WEB-INF/web.xml
/WEB-INF/src/<package>/..../<my_servlets_and_j2ee_stuff>.java
/WEB-INF/classes/<package>/..../<my_servlets_and_j2ee_stuff>.java
In this manner sources and classes are in the same tree, it does not seem very clean to me, expecially if you consider that probably I must have a "test" directory to unit test some j2ee stuff (as for the j2se stuff in "src"): how would you do that?
Is this directory structure anyway what you meant or not?
alessio

How to use the "split development directory structure" in JBuilder9 ?

How to use the "split development directory structure" in JBuilder9 ?
Have /APP-INF supported ?

I've not used JBuilder much, but if it has ant support, then it should
be pretty straight-forward.
-- Rob
Rick Ni wrote:
How to use the "split development directory structure" in JBuilder9 ?
Have /APP-INF supported ?

Split Development Directory Structure Examples Package

Can any body tell me if this example works with workshop?, and it is works how
can i achive this?
thanks in advance
Viviana

Workshop uses split-dir file structure, but not the build tasks. This is
because the IDE has a much finer grained notion of build than running ant
from a shell.
Cheers
mbg
"viviana echeverry" <[email protected]> wrote in message
news:4006aad1$[email protected]..
>
Can any body tell me if this example works with workshop?, and it is workshow
can i achive this?
thanks in advance
Viviana

J2EE Enterprise App Directory Structure

Can anyone point me to a resource that descibes the recomended development directory structure for a J2EE app with EJB? MyEclipse create three directories:
J2EEAppName
J2EEAppNameEJB
J2EEAppNameWeb
But I don't know where to put the shared classes, etc. I want to do it right.. Any help would be greatly appreciated.
Paul

For anyone else looking for an answer to the recommended directory structure...
See this link:
http://java.sun.com/blueprints/code/projectconventions.html

Split Development Directory Setup

Hi,
I have not found anywhere in this forum the answer to this question: the "Creating a Split Development Directory Environment " document says that the first step for Using the Split Development Directory Structure (at http://edocs.bea.com/wls/docs103/programming/splitcreate.html#wp1110877) is to "Create the main EAR source directory for your project". Ok. But where? (Is there particular directory in which this main EAR source directory should be created?)

Kumaran,
Split-Dir is a new feature in WebLogic Server 8.1. It will not be available
in previous releases.
- Nick
"kumaran" <[email protected]> wrote in message
news:405fef8a$[email protected]..
>
Hi,
Could you pls tell me whether weblogic6.1 supports split developmentdirectory
structure

Directory Structure ?s for an Exploded Web Application

We have an application that consists only of JSPs and Servlets, no
EJBs. I am researching whether or not it's worthwhile to start using
EJBs. We're also migrating from Weblogic 5 to 6.1. I've managed to
migrate our application fine and have it up and running on WLS 6.1.
I'm confused about the exploded directory structure, the
application.xml file, where to put the EJBs and whether or not I have
to jar them. Here's our current directory structure:
DefaultWebApp/               JSPs here
DefaultWebApp/WEB-INF          web.xml and weblogic.xml here
DefaultWebApp/WEB-INF/classes     Servlets and other classes here
DefaultWebApp/WEB-INF/lib     do my un-jar-ed EJBs go here?
I've been reading a lot of BEA's documentation, particularly
‘Deploying an Exploded J2EE Application' and a ‘Web Application PDF',
and looking for relevant threads on the weblogic.developer.interest
groups. It looks like the application.xml should go in a new
DefaultWebApp/META-INF directory. But where do the EJBs go?
I also see some directory structures with another /web directory
that's confusing me.
Oh, I've also managed to compile and jar up a trial Stateless Session
EJB. Then I think I ‘auto-deployed' it into the /applications
directory, and Weblogic seems to recognize it. But when I tried to
reference it in a JSP, I got an error message ‘class x is public,
should be declared in a file named x.java'. I'm assuming this is
related to the application.xml, where I need to define the ejb
directory.
Thanks.

To deploy your web app together with your EJBs, you need to create
an "EAR" structure. Both your webapp and your EJB jars will be within
this new structure, at the same level. You may jar up your EJBs, or you
may explode their structure, it's up to you.
The resulting structure should look something like below:
EnterpriseApp/ <-- new top level
EnterpriseApp/META-INF/
EnterpriseApp/META-INF/application.xml
EnterpriseApp/lib/ <-- shared libraries (if any)
EnterpriseApp/EJB/ <-- ejbs go here
EnterpriseApp/EJB/META-INF/ejb-jar.xml
EnterpriseApp/EJB/META-INF/weblogic-ejb-jar.xml
EnterpriseApp/EJB/com/your/ejb/classes/here
EnterpriseApp/WebApp/ <-- move your current app here
EnterpriseApp/WebApp/index.jsp <-- JSPs goes here
EnterpriseApp/WebApp/other.jsp
EnterpriseApp/WebApp/WEB-INF/web.xml
EnterpriseApp/WebApp/WEB-INF/weblogic.xml
EnterpriseApp/WebApp/WEB-INF/lib <-- ui libraries go here
EnterpriseApp/WebApp/WEB-INF/classes <-- servlets go here
The above structure is identical to the structure to an EAR file, only "exploded"
as actual files and directories instead of being "jarred" into a single EAR file.
Your application.xml in this case would specify something like:
<application>
<display-name>EnterpriseApp</display-name>
<description>My Enterprise Application</display-name>
<module>
<ejb>EJB</ejb>
</module>
<module>
<web>
<web-uri>WebApp</web-uri>
<context-root>/yourAppRoot</context-root>
</web>
</module>
</application>
And in config.xml you would have an entry similar to:
<Application Deployed="true" Name="EnterpriseApp"
Path=".\config\mydomain\applications\EnterpriseApp">
<WebAppComponent Name="ui" Targets="myserver" URI="WebApp"/>
<EJBComponent Name="ejb" Targets="myserver" URI="EJB"/>
</Application>
regards,
-Ade

Web Application directory structure

Please can someone help me with directing me to any online guide as to how webapp could be created and web.xml configuration in Sun Application server 8.
I do not understand the directory structure of sun, unlike Tomcat the webapps contains all the virtual context part with a default ROOT direct set in the server.xml as the default docbase.
Now, where is the default ROOT in Sun server? Where can I put my index file. When I create a web context, where will I put it? Does J2EE has similar WEB-INF structure in Tomcat? Does it have web.xml to configure the webapp
Finally, I have written a simple EJB called Hello World using stateless protocol. I have my Hello.class, HelloHome.class and HelloBean.class. I also have ejb-jar.xml for container configuration. I have jar then up to hello.jar and have deployed them. Now I want to access the beans, Home bean to be precises. I have written a hello.jsp and I put it in the orignal directory where the main index.html file is in Sun server which is /user/Sun/AppServer/domains/domain1/docroot, I got errors.
Could someone shade a light on this please.
Thanks Guys.
NB
Do not point me to online reference
I have awared max point for this question

The developer's guide discusses in pretty clear terms how to deploy a J2EE app from a directory structure.
The tomcat directory structure is really the same as a packaged war which once you read the documentation you will see is basically no different with SJSAS.
You need to deploy an application. See previous posts on how to have docroot be the top level (search for posts by janluehe)

Application directory structure

Hi,
I would like to develop a B2C application on portal 8.1
What is the recommended directory structure to store portlets, html, images,servlets
and beans? Where can I find the information?
Thanx
Mee

Generally, you put the files you have in app under webapps/ROOT in the server directory, or figure out what the right mapping is in the server.xml file to define your directory as root. I forget how.

What is the directory structure of EJB applications?

I am new to EJB program. I know that after the development is done, we package the EJB components into .jar file, and package the Web components (HTML/JSP/Servlets/JavaBeans) into .war file, and then together we package .jar file and .war file into a single .ear file. Then we just deploy the .ear file into WebLogic's application directory.
But, before the deployment, I mean during the development, what kind of directory structure is good for us to develop our EJB, HTML, JSP, Servlets, and JavaBean components?
Previously, when I was doing JSP/Servlets applications, my directoy structure is:
webapps\
--------myapplication\
-----------------------*.html
-----------------------images\
------------------------------*.jpeg, *.gif
-----------------------jsp\
------------------------------*.jsp
-----------------------WEB-INF\
------------------------------web.xml
------------------------------classes\
-------------------------------------Java Servlets located here
-------------------------------------beans\
-------------------------------------------JavaBeans are located here
Now, I am doing EJB applications, what should be the directory structure?
Thank you very much for your help!
Jingzhi

I have been involved in a few enterprise applications but have not been happy with the packaging structures used and am starting a new one now and am looking for other examples.
this is what I've used before.
web/
classes/
client/
server/
but if a class was used in the client and server it was put under the server/ package. I feel that more separation is needed.

Is it possible to Change Directory structure once the project is developed?

Hello,
I am a Newbee to OAF development, I recently developed a JSP page using the oracle recommended directory structure "<companyname>.oracle.apps.<custom directory>." ie., for ex: "*xxcom*.oracle.apps.xxco.xxco_mapping.server", the page worked perfectly fine when I ran it from jDeveloper.
but when I tried to deployed the same in the server to run from Oracle Applications, I found that our organization's unix directory structure where I need to deploy the files is not the same, they are excluding the "<companyname>" directory in there structure, the directory structure in unix looks like this "$JAVA_TOP.oracle.apps.<custom directory>...." ie., for example: "/u06/appsw/appdevcomn/java/oracle/apps/xxco", so now I cannot deploy the page I have developed.
How do I resolve this issue? can I change the directory structure in jDeveloper now to match that on the server, ie., change it to "oracle.apps.xxco.xxco_mapping.server" instead of "*xxcom*.oracle.apps.xxco.xxco_mapping.server"
Thanks

Yes, it is called refactoring. PLease see the link below:
http://jdeveloperfaq.blogspot.com/2010/04/faq-20-how-to-refactor-adf-components.html
Kristofer Crus

Directory Structure for multiple applications at one host

Can I have multiple (more than one) WEB-INF directory structures in the public_html directory for different web applications? If I do this, how do setup the url-pattern in the Servlet Mapping tag in the web.xml file? How do I setup the URL that calls the servlet from the HTML that has been send to the user�s browser?

If I understand your question, you want multiple contexts. All App Servers/Web Servers allow you to setup multiple contexts. Normally if your root context is in /home/myhome/app_server/
then you would setup multiple contexts by creating a folder for each context:
/home/myhome/app_server/context1/
/home/myhome/app_server/context2/
Each would have their own full application/website. And the way to reference these would be as such:
if the domain, www.mydomain.com, is mapped to /home/myhome/app_server/
www.mydomain.com/context1/
www.mydomain.com/context2/
I think that is what you were asking. Hope it helps

Directory structure for servlets and webservices in one application

hi,
Can any one help me for creating servlets and webservices in one
application and deploying in Jboss 4.2.0.
I want to know exactly what is the directory structure for creating this
application and what are the additional .xml files for deploying this application.
if any one know this answere please tell the answere.

I figured out a solution - it's a problem of policies. In detail: Server1's codebase entry (file:) refers to the class directory of Server1's project. In the simple case of only Client1, which has no codebase entry, it works fine without a file permission on the side of Server1. In the complex case of Client1+Server2, which has to have a codebase entry (file:) refering to the class directory of the Server2's project on a separate machine, for exactly the same method call from Client1 to Server1 a file permission entry on the side of Server1 is needed for Server1's class directory. But WHY ???
It seems to be a little confusing with the codebase entries, many of the posts are contrary to others and to my personal experiences. Some comments given by Adrian Colley throw a little light upon some aspects. Is there anybody, who can explain the whole topic, when, why, and which part of RMI application deals with codebase entries, also in case of not dynamic code downloading ? May be there is also a reference into the java docs, which I didn't found up to now.
Thanks in advance
Axel

Directory structure and files in Oracle Application server 10g and 11g

Hi all,
I am doing a lab migration from 10g to 11g based on the use of JAXB. There were some directory structures used in 10g to store the JAXB jar files and some other custom jar files. I want to know the equivalent folder structures in SOA 11g server. The 10g server directories are mentioned below:-
1.<OracleAS_Home>\webservices\lib.
2. server.xml located at <OracleAS_Home>\j2ee\home\config in 10g. Where can I find the equivalent file to "server.xml" in 11g server?
3. <OracleAS_Home>\bpel\system\classes\com\oracle\bpel\xml\util.
4. <OracleAS_Home> \bpel\system\classes.

Here are the equivalents as per best of my knowledge:
1. <WebLogic Home>\server\lib
For example, D:\Middleware\wls1036\wlserver_10.3\server\lib
2. config,xml located at <Domain_Home>\config\
For example, D:\Middleware\wls1036\user_projects\domains\ArunBaseDomain1036\config\config.xml
3. It should be the same as 10g (instead of OracleAS_Home, it will be ORACLE_Home) if you install the BPEL product. Since, I have not installed BPEL/SOA, I am not very sure.
4. It should be the same as 10g (instead of OracleAS_Home, it will be ORACLE_Home) if you installed the BPEL product.
Also, I would recommend that you consider using ORACLE Smart Upgrade (JDeveloper component) to help you with the upgrade process. It exactly points out these mappings of file/directory structures AND the necessary configuration changes as well.
If you are requirement, is only about making the library jars available to your application, then consider reading the below discussion.
Re: XIncludeAwareParserConfiguration cannot be cast to XMLParserConfiguration
Arun

Correct Directory Structure for Serving a Web Application from Arch?

At the moment I have an Apache web server hosting PHP based web pages out of /srv/http. This works for what I am doing at the moment, but i was wondering if there was a more professional\correct way to host a web application on Arch.
When would someone host a page in /srv/http vs /var/www ? ( is /www even widely used on archlinux) ?
Or is their a better way all together ( I read something about symbolic linking the 2 directories)?
Can anyone provide a sample of how they decided to set up their basic web directories ?
Any help is very much appreciated !

It mainly depends on the webserver you're using. There's nothing about the difference between /srv/http versus /var/www. As far as the web user is concerned they don't even know what directory structure you're using.

Application Development Directory Structure

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