JAVA ME version Open Source

Hi,
I am new to JAVA technology. I want to use open source version of JAVA ME along with CDC1.1 and FP1.1.
Can you please provide me links to download these open source packages. I am planning to cross compile and use it on Linux.
I hope I can download this from ORACLE website and use this code as open source code. Is this correct?
Thanks & Regards,
Tushar

How about this ?
http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javame-419430.html#MIDP-2.0-OTH-G-F
Actually, all Open source you can download from http://jcp.org/en/jsr/platform?listBy=1&listByType=platform
If you just want to use CDC 1.1 and FP1.1 in ARM platform, you can download OJEC from
http://www.oracle.com/technetwork/java/embedded/downloads/javame/index.html
Regards,
Xunliao

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Why is it good for java to be open source?

if java becomes open source, will people take java, put viruses into it and send it to people?
i have use red unix and it is not as good as windows, though it does have its uses for calulcations, but why would we want java to go down this road?

Stop trolling, "garish_shaboo".
~

Making Java GUI code open source?

Hi I am a beginner to Java. I was wondering if this was possible.
Say I write a calculator applet to host on my website for other users to use. Can I make just the GUI code open source so users can modify the appearance of the applet and then save the GUI code to their usernames on the web server, so the next time they logon, the changed calculator appearance will be stored on the web server already. However, the core code should remain the same so new users who sign up won't be using some else's Calculator GUI code.

IIRC correctly, most databases support storing binary data, so they should be able to store class files. But then you'd have to extract that class file to someplace where it can run everytime. You're probably better off just storing the class files in a separate dir and whopping up a page that uses user info to determine the correct class to load.
But I agree with malcolmmc that it doesn't make much sense to have people upload their code to your server.

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Hello,
I have been searching the internet for a way to use dendrograms with data that I have generated. A dendrogram looks like this: http://www-csli.stanford.edu/~schuetze/dendrogram.html
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Possibly Antoine Chalubert could. But why not download the package and try it out for yourself?

Is JSF technology based on open source?

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Because my company projects use Struts technology, they want to switch to other
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Most of Java itself is Open Source. The JSF API is open source and can be found at https://javaserverfaces-sources.dev.java.net and as BalusC mentioned, you can access Mojarra's source code as well from there. The MyFaces implementation is also open source.
Does your company want something that is not open source? Or do they want something they can count on with a company to stand behind it? A product with real release cycles and a person they can call for support? If that's what they really want, JSF is a good choice. Particularly if you choose GlassFish (which includes JSF) -- or more likely the Sun Java Systems Application Server version: http://www.sun.com/software/products/appsrvr/index.xml) which is fully supported by Sun MIcrosystems. This should give your company the confidence they need in a fully supported product. BTW, there are tools and other supported products (portal, access manager, JBI, etc.) that integrate very well with this solution if you need them. Check it out.
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Web Dynpro for Open Source

Dear Web Dynpro community,
please have a look to Benny´s blog under http://www.sdn.sap.com/irj/scn/weblogs;jsessionid=(J2EE3417200ID0731044050DB00226095944409325288End?blog=/pub/wlg/16004 raising the question whether Web Dynpro Java should become Open Source.
It would be very interesting for me to here your opinion about this. What are the benefits in doing this? What are the risks? Would YOU like to actively contribute?
Thanks in advance
Jochen (Product Owner Web Dynpro Java)

Hi all,

let me add some comments on some parts of the answers (also in the two blogs around this topic ..).
In general it is really interesting to see that there seems to be a real interest for an "open sources" Web Dynpro for Java. This is motivating to go into this direction and to further discuss this here within SAP.

Some technical comments: I agree that an open-source WDJ (in the ideal world) would include also the WDJ tools parts and most probably also UR ( = Unified rendering) as the underlying (HTML) rendering technology. Also NWDI is somehow part of this game. BUT: I do not think that such a big step is realistic and feasible. Instead of this the first natural step for me would be to open-source the WDJ runtime part. This WDJ runtime contains all important parts needed to run WDJ applications (including the control libraries, the different CMI model implementations, the different clients and last but not least the server-abstraction layer).

This server abstraction layer (SAL) is most probably not know by the WDJ community as this was never rolled out in the past. As the name shows this layer encapsulates the server environment "hosting" the WDJ runtime. This allows us even today to run WDJ applications besides the SAP JEE also in top of a simple TomCat installation. This version is used for a long time for control development but was never rolled out.

In the labs we have WDJ application running on Amazon Cloud, on Google App Engine, on Bea and also on top of Geronimo.
Not all of these server abstraction implementations are fully working for the moment and not all features are available for all implementations - but it would be really straightforward to provide all these implementations - in the ideal case of course via a active open source community ,-)

Besides the platform implementations I see some other areas how an open sourced version of WDJ could be extended:

The combination of WDJ projects with Maven. This is also on our internal development list but due to prios this was never started.
New controls. Also without open-sourcing the UR layer I see a lot of potential to extend existing controls or to build completly new controls.
"Generation-free WDJ" - the idea would be to provide a WDJ version which is not depending on a complex generation framework. This would be of course one option but a "generation-free" WDJ would allow you to code your WDJ apps / components completly without any generation.
Extending the usage scenarios for "system components" - this kind of WD components is used to extend WDJ runtime capabilities. Currently this is only used for the "Technical Info" and the UI of the implicit personalization but there is a lot of potential to extend this.

This is only a very short list of things I have currently in mind - for sure you will find more.

Have fun at TechEd Phoenix
Best regards
Jochen

Legalities of modifying open source Java classes in a closed source App

If there is a better forum for this thread please let me know. I looked and looked and couldn't find any place where it seemed to fit.
Simply put, I want to know the legal ramifications of modifying open source Java classes which have been included in a commercial closed source application.
The specifics are my problem with the javax.servlet.http.Cookie classes interpretation with RFC 2019 in regards to acceptable cookie names. I currently am debating that in a thread here:
http://forums.sun.com/thread.jspa?threadID=5313146
I am using Adobe ColdFusion which is a J2EE application server running as a servlet in Macromedia JRun. JRun parses request headers and creates instances of the javax.servlet.http.Cookie class for each cookie. (An error is thrown from the constructor if the cookie name is not accepted)
I was able to work around the problem by modifying the code in the Cookie class, compiling it, and using jar.exe util in my SDK to update the new class into the jrun.jar file. I blogged it here:
http://www.codersrevolution.com/index.cfm/2008/7/15/No-Cookie-For-You-Second-Solution
My problem is I'm not sure if what I did conforms to the license for ColdFusion. Technically JRun is a closed source program I am not allowed to modify, but all I changed was a open source class from Sun. I didn't even need to decompile anything.
I have Googled in vain, but I can't seem to find any information that applies to modifying pieces of open sourced code contained inside of a closed source application.

bdw429s wrote:
"I thought it was straightforward and I didn't feel that lawyers were necessary. But you didn't seem to want to do that."
I'm unclear on whether you are implying that I didn't want to hire a lawyer or that I didn't want to read the licenses myself and make a decision. If you meant the former, you're darn right. I'm not paying anyone a dime to satisfy my personal acedemic curiosity concerning a random project I've been messing with in my spare time that isn't related to to any job or business decision. I'm simply looking for information because that's I do when I don't understand how something works. First, I Google the hell out of it and if I can't turn up satisfactory answers (or any at all) I find an applicable forum and ask there.
If you were implying the latter (that I didn't want to read the licenses myself) then you haven't been reading my posts. I stated to jschell that I have no problem attempting to figure out a license agreement on my own. In fact, I have read the ColdFusion agreement from Adobe before posting here. I talks about modifying the software, but I still don't think it is crystal clear about whether third part code falls under it's own license AND Adobie's or just its own license. Then that is the point at which you must do one of the following
1. Consult a lawyer.
2. Decide to allow for a liberal interpretation (thus you can use the code) and understand that you personally are liable if your interpretation is wrong.
3. Decide to allow for a conservative intepretation to avoid liable on your part.
Regardless of what anyone says here it won't remove your own liability.
>
The source for the java.servlet.http.Cookie class stated that it is release under the Apache license 2.0 whcih I read up on. I will admit I'm not actually sure how to tell the exact verison of the Java Servlet API classes that JRun is built on other than to cross reference which version of the servlet API came out with which version of Java, but that is a suspect method. I have been programming for more than 8 years, but I'm relatively new to the Java landscape.
I'm not looking for handouts here. I know this was a tough subject and I was prepared for NO ONE to respond and I would have been ok with that. I have no problems making decisions on my own and I have no intention of passing the buck to anybody.
Here's the thing though. A useful response is one that states some facts (or opinions), references a similar peice of software for comparison, a court case, or provides a few links to some open source-type websites were I might find more information about my issue.
Telling me to hire a lawyer and chastising me for "pass the buck" is doing about as much good as Linux snobs telling people to RTFM.
Wrong.
A lawyer is the best and most correct answer.
And it is the first answer that should always be given with these sorts of questions.
If you choose not to accept the best and most correct answer then that is up to you.
I understand that a large number of people on public forums are lazy sponges who wish someone would just post all the code they need, but assure you I am not that person. I'll admit I don't know much about open source and I'm not sure where to start looking since I seem to have a scenario which is not really discussed much on the web. All I am looking for is information and sincere help.And presumably you also understand that we certainly can't give you legal advice but also it would be foolhardy for you to accept it as well.
You learn by reading many license agreements and reading as much about legal situations involving computers and related technical cases as you can.
And until you are comfortable making such decisions yourself without asking then the only useful answer is ask a lawyer.

Open source / Commercial version, it's up to you! Why not for ESB products

Please comment this forum and help us to get Sun's support for Open ESB as we can get it for open-Solaris or Glassfish.
Thanks
Paul
Extract from
http://www.pymma.com/eng/People/Blog-Paul-Perez-Chief-Architect
Jonathan Schwartz new policy
Few years ago, Jonathan Schwartz replaced Scott McNealy as SUN Microsystems CEO. Swartz's first decision was to convert Sun into an Open-Source company. Consequently, Solaris OS, Application Servers and even the Java language were opened and their sources published. At present, Sun is viewed as a major Open Source actor.
Sun�s new sales philosophy proposes, on one hand, its best products in an open-source format and on the other hand, commercial support and hardware. The best examples of this new philosophy are Open-Solaris and Glassfish. You can download these products, use them and test them. After you have built applications with these tools and wish to move into a production environment, you can buy support from Sun.
Open source or Commercial version, it's up to you!
Alternatively, you can as well buy commercial versions at the first place. Even if open sources and commercial versions are slightly different than the open-source ones, more than 95% of their code is originated from the same development branch. Example : SUN proposes its queue messaging system with two similar versions, respectively named �SUN QM� and "Open-MQ". The only difference is the amount you pay for the technical support.
Everyone can find advantages in this sales policy on Sun products: companies and developers try and develop for free and can rely on Sun support in production. As a matter of fact, Sun uses these �free� products as Trojan horses to conquer new market shares, penetrate new companies and sell Sun hardware.
Why not for ESB Products ?
Unfortunately, there is a small issue in this picture: Sun's ESB platform is the exception in this sales policy. In Fact, Sun proposes two different tools for ESB developments. The first product. "JCAPS", is a commercial product inherited from Seebeyond. The second product, "Open-ESB" is based on JBI specifications (JSR 208) and was developed from scratch about 2 years ago.
Alas, JCAPs and Open-ESB are definitely two different products.
JCAPS ignores JBI specifications
JCAPS connectors are based on JCA specifications and not on JBI.
Open-ESB development process is based on Web services specifications, JCAPS not.
JCAPS and Open-ESB developments are not compatible.
Hundreds other differences can be found between the two products.
We can understand that for a while, for technical, marketing or business reasons, a company supports more than one product lines with the same functionalities. IBM does it and Oracle buying BEA will do it also.
However, there are several things that Pymma would like to understand:
Why the download of JCAPS is only available for authorized JCAPS Partner ?
Why SUN does not provide support for open-ESB as it does for Glassfish, Open Solaris or Open MQ ?
Why JBI or Open-ESB are never mentioned at most ESB seminars organized by Sun Centres in the UK ?
Why Sun marketing, Gurus or consultants are prolix about JBI in the public lectures and technical forums, and at the same ignore Open-ESB when they advice companies ?
Is the policy of Jonathan Swartz policy only applicable for Java Legacy applications (Application Server, Message queuing�)? not for ESB tools ?
Of course, we already asked these questions to SUN but we never got clear answers.
Thanks for clarifying Sun's position
Many companies believe in JBI and their developers spend time and energy working on Open-ESB . These companies would certainly be interested to hear Sun's explanations on the above questions. They probably want to be sure that Open-ESB will not be just a prototype for the new JCAP version (only reserved for SUN JCAPS Partners). They certainly want to be credible by proposing SUN's professional support on Open-ESB as they do for Glassfish and Open-Solaris. After, they only need from SUN to clarify its position and give a clear prospective for the future of JBI and Open-ESB. We hope that through this blog Sun will hear us and we will give us clear answers.

Hi Leonie,
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Glensdaughter

I Need Information about Open Source Java Client/Server Instant Messaging

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DrClap,
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Hello,
I want to restrict PDF reader to achieve Digital Rights Management (DRM).
Do I need to pay anything to Adobe if I inject java script to achieve so using some open source library?
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Prevent screenshots
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Open Source Java 3D Game SDK

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But is JAVA itself open source?
Thanks.

What is YOUR definition of open source?When someone says "open source", they probably mean it as you can see it defined on Wikipedia:
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