Patterns used in J2EE Blueprints

Does it specify anywhere exactly what patterns are used in the Blueprints and what components/beans/classes map to each pattern ?
Thanks very much
P.

Go to http://developer.java.sun.com/developer/technicalArticles/J2EE/patterns/ and click on J2EE Patterns Catalog for a better explanation of the patterns and how/when to use them. These are based on the book Core J2EE pattrens- Best practices and design strategies. You can download example source code from http://www.phptr.com/corej2eepatterns/

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J2EE BluePrints Web Application Framework ("WAF")

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At the end of application designing, identify for potential problems from the list of design patterns, if you find a problem then you apply that pattern.
Don't start with design patterns because it says design or the design patterns is the buzz word.
--Jay
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J2EE Blueprint document template

I am working on create a j2ee blueprint for our organisation. I kink of know what to include in this document (guidelines, standards, best practices, etc.).
However, just want to ask if there is any exemples and template to create such document/s.
Thanks

Frankly if you dont already know what to include, you should just put a copy of Sun's Core J2ee Patterns book (http://java.sun.com/blueprints/corej2eepatterns/index.html) on every developers desk. A copy of Rogue Waves 'Elements of Java Style would be an excellent supplement.

What way xml used in J2EE

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iam
senthil

Sorry, you aren't going to get a "detailed" explanation of such a vague question. And you aren't going to get any explanation from me because you asked for answers to be e-mailed to you. For all I know somebody has e-mailed you the answer already, so I could be wasting my time answering.

Trouble deploying a J2EE application using the J2EE 6.20 Deploy Tool

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I successfully create the WAR/EAR files, I then select deploy and the deploy process gets to 100% before displaying an error message.
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Please see Deploy Tool log entry:
01:39 - **********************************************************
05/01/17 10:19:16 - Applying user role management mappings.
05/01/17 10:19:16 - Start updating EAR-file...D:\SAP_J2EEngine6.20_Cluster\deploying\carmodeller\carmodeller.ear
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05/01/17 10:19:27 - Ear-file updated successfully for 11375ms.
05/01/17 10:19:27 - Start deploying ...
05/01/17 10:20:15 - Ear-file uploaded to server for 47297ms.
05/01/17 10:21:47 - ERROR: ID90506: NOT Deployed. ERROR returned from deploy service :
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                          at com.inqmy.services.deploy.server.DeployServiceImpl.deploy1(DeployServiceImpl.java:512)
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                          at java.security.AccessController.doPrivileged(Native Method)
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05/01/17 10:21:47 - **********************************************************

Hi, it looks like the app has trouble starting up:
05/01/17 10:21:47 - ERROR: ID90506: NOT Deployed. ERROR returned from deploy service :
com.inqmy.services.deploy.container.DeploymentException: Can't init application carmodeller. com.inqmy.services.servlets_jsp.server.WebApplicationException: ID17110: Error in starting application carmodeller.java.lang.NullPointerException
Did you have any errors on the compile of the code?
You also want to check if the app is deployed (if so you may want to remove it before re-deploying it)

How to determine the presence of adobe pdf reader using java/J2EE?

Can someone share this with me. I need to determing how do we determine if adobe reader is installed on a user's machine or not - using java/J2EE.
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Thanks,
Pratik.

I am in the software, where can I find it?
On Tue, Jan 27, 2015 at 9:59 AM, Sara.Forsberg <[email protected]>

Regarding the Customer Setup for ISA B2B using SAP J2EE 6.4 and NWDS

Hi
Does someone knows how we can setup a customer project using
SAP J2EE 6.4 and NWDS.
I've tried to setup the project but facing a weird problem..
I've ISAWAC640SP11 and ant buildtool to build the application.
I didn't get any "sda_build.xml" in this patch (ISAWAC640SP11).
i've used "sda_build.xml" of ISAWAC40SP11.
I've build the application using build tool but when i try to deploy it
on SAP J2EE 6.4 using SDM i get a weird message stating
<b>"com.sap.sdm.util.sduread.IllFormattedSduFileException: The archive must be deployed with a 6.20 SDM, which has a SDM-SDA compatible version 1 or greater."</b>
Does anyone knows from where can i get the sda_build.xml file compatible with
ISAWAC640SP11 ??
Also can some one suggest me to setup a customer project for extension and
modification of ISA B2B 640 on NWDS and SAP J2EE 6.4....
Thanks & Regards
Sandeep Solanki

Hi,
I am Rajesh..and it seems that you and I are facing the same problem. Well, I am really finding it hard to find material like PDF's files on Build Tool. and ISA Development and Extension Guide.
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PSE4: Creating Patterns; Using Drop Shadow

Hello:
1. I been making a few patterns using the Define Pattern from selection. The problem is, I'm getting hard edges and not a smooth flow pattern when I apply it. What is the trick in getting to make patterns that flow smoothly?
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Thanks, Tony C

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Again Thanks-A-Bunch!
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The "ValueList Handler" pattern in "Core j2ee patterns(2nd ed)"

In the book "Core j2ee patterns(2nd ed)", it suggests that the "ValueList Handler" pattern can be used when the resultset from database is huge.
Basically, this is what it will do:
1) obtain a resultset from database query
2) cache the full resultset using a valueList
3) create a subList from the valueList
4) present the subList to the front end
To me, caching the full resultset in a valueList is no different from sending the full resultset to the front end. Both of them wasted a lot of resources. I am wondering why anyone would want to do the step(2) above. Why don't we go from (1) to (3) directly since we usually know which subset of the results the users are interested in even before we do the query.

Hi
Same problem I also need to clarify. Please some one
explain in detail which approach give high
performance.
BR
SenakaExactly, I don't understand why that "ValueList Handler" pattern qualified itself as a j2ee pattern since it has so much negative perfomance impacts.
On a website like Amazon, thousands of queries are performed daily. To cache the full resultset of every query simply wouldn't work.
I think the most efficient way is to write a disconnected resultset so it won't tie to the database. The disconnected resultset will only contains those data to be display on the front end.
I would really like to see somthing like the following in the JDBC API.
ResultSet rs = null; // some resultset
ResultSetFilter filter = null; // a filter to filter resultsets
// obtain a disconnected resultset from java.sql.ResultSet
DisconnectedResultset drs = DisconnectedResultset.filter(rs, filter);
// close the original resultset
rs.close();In the above, anything that meets the condition specified in the filter will be stored in the disconnected resultset. After we created a disconnected resultset, it is safe to close the original resultset to release any database resources.

J2EE BluePrints: correct location for common Java source files

I have a set of Java source files that are common between multiple J2EE applications.
Within the J2EE package hierarchy, what is the correct location for these files?
Also, is there a typical package name that common Java source files are grouped under?

HI,
There is no standard place. In the blueprints project conventons
http://java.sun.com/blueprints/code/projectconventions.html it has a place called components/ which would contain shared components like EJBs and other components that could be shared across applications. the package naming would be reflected in that, like com.sun.blueprints.application1. and com.sun.blueprints.application2. and com.sun.blueprints.common.*
Generally you could put a directory at the same level as the apps (not inside an app's directory structure) and maybe called common/ or shared/ . This common code could be built separtely and into a binary library or jar that you just include in the other applicatons, in the same way you would include some external library jar that you got somewhere and keep in your workspace and your apps use. The packaging of common code is similiar to the packaging of different applications and shared components.
hth,
Sean

Calling a servlet from a JSP page using the J2EE reference implementation

I have a JSP with an include tag as follows: <jsp:include page="servlet/ConnectionServlet" flush="true" />
When I use JRUN it works fine. I created an ear file and ported
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I have a JSP with an include tag as follows:
<jsp:include page="servlet/ConnectionServlet"
flush="true" />Basically, WEB-INF/classes gets added to the classpath, so the directory structure under this folder should be identical to your package structure. If the ConnectionServlet.class is not actually in a package, then it should be directly in WEB-INF/classes (ie if "servlet" isn't actually the name of your package, don't use a WEB-INF/classes/servlet/" directory).
Then try taking out the "servlet" from your include tag, so you just have page="/ConnectionServlet" (not sure about the leading slash - try experimenting!)
if this doesn't work, try adding this to your WEB-INF/web.xml file:
<web-app>
<servlet>
<servlet-name>ConnectionServlet</servlet-name>
<servlet-class>your.full.package.here.ConnectionServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ConnectionServlet</servlet-name>
<url-pattern>/ConnectionServlet</url-pattern>
</servlet-mapping>
</web-app>
Good Luck!

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10 Duke Dollars available

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This ofcourse means that the WAR file must have the stubs of the EJBs to be able to communicate and access to j2ee.jar to get the InitialContext.
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- deploy the EAR
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Off you go.
Tom

How can i send the chinese sms using java J2EE(web application)

hi,
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thanks a lot
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
<%@ page import="se.sapio.rta.service.MPMService"%>
<%@ page import="java.util.Locale"%>
<%
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     MPMService mpmservice;
     ctx = new InitialContext();
     mpmservice = (MPMService) ctx.lookup("BC/Service/RTAMPM");
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     boolean ok = true;
     try {
     if (ok) {
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          String sendmsg = request.getParameter("sendmsg");
          if(bError) {
               byte[] bytes = message.getBytes("UTF-8");
               message = mobileclientservice.ByteEncode(bytes);
               response.sendRedirect("send_sms.jsp?s="+request.getParameter("s")+"&msg="+message+"&phonenr="+request.getParameter("phonenr").replaceAll("\\+","%2B")+"&sender="+request.getParameter("sender")+"&sendmsg="+request.getParameter("sendmsg").replaceAll("\\+","%2B"));
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          if(mpmservice.sendPlainTextSMS(sender, phonenr, sendmsg)) {
               resp=mpmservice.getLang(user.getLang(), "sms_sent");
          } else {
               resp=mpmservice.getLang(user.getLang(), "sms_not_sent");
          } %>
          <jsp:include page="/top.jsp" />
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          <form name="operatordetails" id="operatordetails" method="post" action="send_sms.jsp">
          <INPUT TYPE=hidden NAME=s VALUE="<%=request.getParameter("s")%>">
          <INPUT TYPE=hidden NAME=phonenr VALUE="<%=request.getParameter("phonenr")%>">
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               <tr>
                    <td class="left" colspan="2"><%=resp%></td>
                    <td class="right"></td>
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                         <input class="halfmiddle" name="Back" type="submit" id="Back" value="<%=mpmservice.getLang(user.getLang(), "back")%>" />
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               </tr>
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     <% } %>
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               if(sender.charAt(0) == '+')
                    sender = sender.substring(1);
               for(int i=0; i < sender.length(); i++)
                    if(!(sender.charAt(i) >= '0' && sender.charAt(i) <= '9'))
                         senderIdType = "Alpha";
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                    "<NotificationRequest Version=\"3.4\">\r\n" +
                    "     <NotificationHeader>\r\n" +
                    "          <PartnerName>" + SMS_PARTNER_NAME + "</PartnerName>\r\n" +
                    "          <PartnerPassword>" + SMS_PARTNER_PASSWORD + "</PartnerPassword>\r\n" +
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                    "     </NotificationHeader>\r\n" +
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                    "          <Message>" + Encode(sendmsg) + "</Message>\r\n" +
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                    "          <Subscriber>\r\n" +
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                    "          </Subscriber>\r\n" +
                    "      </Notification>\r\n" +
                    " </NotificationList>\r\n" +
                    "</NotificationRequest>","ISO-8859-1");
appreciate for anyone provide the solution.
thanks a lot

Hi,
I want to send sms from web application to mobile phones at the time of registration. Its verymuch greatful to me, if you let me know, how to send from jsp to mobile. because from your post, i got, you already know about sending sms from jsp to mobile.
please let me know, how to send sms
[email protected]
Thanks in advance for your kind help

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hi,
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hope this works.
Reward points if helpful.

Patterns used in J2EE Blueprints

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