Re: [apidesign] Question for DEW

[Jaroslav Tulach]

Hello Wooguil,

thanks for your interest in DEW and your nice words. I haven't touched the DEW project for a few years and I have to admit it is not in a good shape. I've just taken a look and tried to polish it a bit. You can update to new version, but the tests still don't fully run and there are other problems. It may take a while before I manage to fix that. Anyway:

dew$ mvn clean install -DskipTests

should give you

dew$ ls static-dew/target/static-dew-0.1-SNAPSHOT-bck2brwsr.zip
static-dew/target/static-dew-0.1-SNAPSHOT-bck2brwsr.zip

which may contain something to work on. If you interest persists, ping me in a week or so... maybe I have time to do more fixes.

-jt

2017-08-18 8:30 GMT+02:00 Wooguil Pak <woogu...@gmail.com>:

Hello, My name is Wooguil Pak.
At first, I should say "Thank you for your great work". It is really amazing.

Currently, I'm trying to run DEW from github, https://github.com/jtulach/dew.
But it seems that emul.zip is missing in bck2brwsr.js.
When I am trying, web console of browser says like that.
   Reading JARs is only possible with enum.zip(emul.zip??)  module
included: org.apidesign.bck2brwsr.vmzip.ZipResources
bck2brwsr.js:1332:37
   java.lang.ClassNotFoundException:
org.apidesign.bck2brwsr.vmzip.ZipResources  bck2brwsr.js:115028:14
   Cannot load static-dew-0.3-SNAPSHOT.jar -
java.io.IOException:java.lang.ClassNotFoundException:
org.apidesign.bck2brwsr.vmzip.ZipResources

Could you explain how to solve this problem and what should I do?
Although I compiled bck2brwsr obtained from github, I don't know how
to add emul.zip to bck2brwsr.

Thanks in advance.

Best Regards,
Wooguil

--
=========================================================
Wooguil Pak, Ph.D, Assistant Professor
Security and Wireless Network Lab. Dept. of Computer Engineering,
Shindang-Dong, Dalseo-Gu, Daegu, Keimyung Univ. 704-701, Korea
Office:+82-53-580-5229, Cell phone: +82-10-2753-1027
Fax: +82-53-580-6275, Email: woogu...@kmu.ac.kr
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[Jaroslav Tulach]

Hello Wooguil & others interested in Bck2Brwsr and DEW,

on Sunday I managed to bring the DEW repo into relatively usable state. I was able to compile and run simple examples (those that throw an exception in initializer, run for sure ;-). Feel free to give it another try:

https://github.com/jtulach/dew

Let me know what problems you find. I'll polish the state a bit more over next weekend.

-jt

[Jaroslav Tulach]

Hello again.

2017-08-31 11:07 GMT+02:00 Wooguil Pak <woogu...@gmail.com>:

Hello, Jaroslav Tulach.

I'm very happy to hear the good news from you.
However, I cannot still run any example in DEW because some errors are
generated during compiling. I attached the screenshot named test1.png.

Looking at test1.png, I'd say everything is good. Have you tried to click on the "Press me!" button? It works for me. If I go to

http://hudson.apidesign.org/job/dew/lastSuccessfulBuild/artifact/static-dew/target/static-dew-0.1-SNAPSHOT-bck2brwsr/public_html/index.html#7102188 and press "Run", I get the button and its name is "incremented" with every click.

Reloading doesn't work properly yet, but the first run seems to be fine both on chrome and firefox.

I don't see your error message, but the reason for it is probably that the new version tries to invoke a main method. The old examples store the initial code is static initializers:

static {

  // do something

}

to avoid the main method problem it is possible to change that to

public static void main(String... args) {

  // do something

}

then the "main method not found" exception in console shall disappear.

I also tried to run a simple example in a html-java document.
I could compile but it failed when I press the button.

Please refer to the attached file, test2.png.

The Prime UI demo at http://hudson.apidesign.org/job/dew/lastSuccessfulBuild/artifact/static-dew/target/static-dew-0.1-SNAPSHOT-bck2brwsr/public_html/index.html#7545568 gives me following compiler error:

applyBindings() has private access in dew.demo.prime.PrimeUI 

This is caused by the fact that the GIST examples are made for too old version of HTML/Java API. The new versions (since 1.1) require one to provide targetId attribute to the @Model annotation (see http://bits.netbeans.org/html+java/1.4/net/java/html/json/Model.html#targetId()

As such one has to modify the PrimeUI examples as

@Model(className="PrimeUI", targetId="", properties={
  @Property(name="number", type=int.class),
})
class PrimeDemo {

then the compilation succeeds. However the code still doesn't execute properly. I'll take a look at it now.

 

I tested in ubuntu 16.04.1 using openjdk version "1.8.0_131".

Anyway, it was improved greatly and I really appreciate of your efforts.

Thanks. Your interest motivates me to get the system running.

-jt