[gwt-contrib] GWT 2.8.0-beta1 available for testing

[Daniel Kurka]

Hi all,

we just finished testing for GWT 2.8.0-beta1. You can either download it 
from goo.gl/62SeR5 or from maven central.

Release notes can be found here 
.

Please start testing and let us know about any issues you encounter by 
either discussion here or filing bugs on github 
.

-Daniel

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Re: [gwt-contrib] Re: New JsInterop document

[Ümit Seren]

I guess I can't  put native JsInterop classes and interfaces in Java 
Collections ? 
I get a ClassCastException and I checked the official JsInterop 
documentation and couldn't find anthing about that ? 
 

On Saturday, November 21, 2015 at 5:02:13 AM UTC+1, Goktug Gokdogan wrote:
>
> dramaix@ is writing such a tool; that's how we are planning to generate 
> Elemental2.
>
> On Fri, Nov 20, 2015 at 7:56 PM, Slava Pankov  > wrote:
>
>> And it would be nice to generate java code with new jsinterop annotations 
>> based on typescript d.ts files. Dart team is going to implement such tool, 
>> probably it can be adopted for GWT as well: 
>> https://github.com/dart-lang/sdk/issues/24874
>>
>>
>> On Thursday, November 19, 2015 at 10:15:35 AM UTC-8, Goktug Gokdogan 
>> wrote:
>>>
>>> Instead of JsArray, you can use Object[] or JsType[] (will be ready by 
>>> 2.8), instead of Integer, you can Double (in 2.8 release, Double exactly 
>>> maps to number in javascript).
>>>
>>> On Thu, Nov 19, 2015 at 6:22 AM, Paul Stockley  
>>> wrote:
>>>
 We wrote our own RPC mechanism that is based entirely on JSON, mainly 
 for performance reasons on mobile. The client works with JS Overlay 
 representation of the server DTO objects. We have a tool that 
 automatically 
 generates the JSO's, Looking at the new interop spec's it would be really 
 nice for the client and server to work with the same Java DTO objects. I 
 can see how most of it could work with the new system. However, we handle 
 Java object representations for ints, doubles, booleans and also 
 enumerations by generating code in the JSO's such as :

 public class ContractDoJSO extends PersistentDataObjectBaseJSO {

protected ContractDoJSO() {}


 public final native ContractType getContractTypeDv() /*-{

return (this.contractTypeDv == null) ? null : 
 @com.ocs.shared.businesslogic.contract.ContractType::valueOf(Ljava/lang/String;)(this.contractTypeDv);
  

 }-*/;


 public final native void setContractTypeDv(ContractType v) /*-{ 
 this.contractTypeDv = (v == null) ? null : 
 v...@com.ocs.shared.businesslogic.contract.ContractType::name()(); }-*/;


 public final native java.lang.Integer getPreferredEmployerId() /*-{ 

   return (this.preferredEmployerId == null) ? null : 
 @java.lang.Integer::valueOf(I)(this.preferredEmployerId); 

 }-*/;
 public final native void setPreferredEmployerId(java.lang.Integer v) /*-{ 

  this.preferredEmployerId = (v == null) ? null : 
 v...@java.lang.Integer::intValue()(); 

 }-*/;


 In addition, if the DTO's contain arrays the client code has to access 
 them using the JsArray class rather than the java collection API. Do you 
 think there is some way to have a single representation using the new 
 Interop mechanism?
  

 On Friday, October 23, 2015 at 3:13:55 AM UTC-4, Goktug Gokdogan wrote:

> As we are getting close to 2.8 release I wrote a new document that is 
> concentrating on jsinterop features to be released in 2.8:
>
> https://docs.google.com/document/d/10fmlEYIHcyead_4R1S5wKGs1t2I7Fnp_PaNaa7XTEk0/edit#
>
> Please share your feedback.
>
> Thanks,
>
> Goktug
>
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[gwt-contrib] Re: GWT 2.8.0-beta1 available for testing

[Thomas Broyer]

On Friday, December 4, 2015 at 1:01:39 PM UTC+1, luca.masini wrote:
>
> Hi, I need also the gwt-maven-plugin 2.8.0-beta,
>

Mojo's Plugin for GWT is an independent project, and indeed there's a 
2.8.0-SNAPSHOT version (hasn't been updated for months though, some 
arguments might break, e.g. jsInteropMode).
It's in https://oss.sonatype.org/content/repositories/snapshots
 

> the old 2.7.0 put on the classpath the old gwt-user and my projects break.
>

Unless you tell if to use 
2.8.0-SNAPSHOT: 
https://gwt-maven-plugin.github.io/gwt-maven-plugin/user-guide/using-different-gwt-sdk-version.html
(make sure you 
declare https://oss.sonatype.org/content/repositories/google-snapshots in 
both repositories and pluginRepositories).

Of course, there's also the alternative to use a plugin that's not bound to 
a specific version of GWT: https://tbroyer.github.io/gwt-maven-plugin/ 
(shameless plug)
BTW, we may switch the GWT samples to that plugin in the near future…

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Re: [gwt-contrib] Re: New JsInterop document

['Goktug Gokdogan' via GWT Contributors]

That's not fixed yet. Should be fixed before RC1.

On Fri, Dec 4, 2015 at 7:23 AM, Ümit Seren  wrote:

> I guess I can't  put native JsInterop classes and interfaces in Java
> Collections ?
> I get a ClassCastException and I checked the official JsInterop
> documentation and couldn't find anthing about that ?
>
>
> On Saturday, November 21, 2015 at 5:02:13 AM UTC+1, Goktug Gokdogan wrote:
>>
>> dramaix@ is writing such a tool; that's how we are planning to generate
>> Elemental2.
>>
>> On Fri, Nov 20, 2015 at 7:56 PM, Slava Pankov  wrote:
>>
>>> And it would be nice to generate java code with new jsinterop
>>> annotations based on typescript d.ts files. Dart team is going to implement
>>> such tool, probably it can be adopted for GWT as well:
>>> https://github.com/dart-lang/sdk/issues/24874
>>>
>>>
>>> On Thursday, November 19, 2015 at 10:15:35 AM UTC-8, Goktug Gokdogan
>>> wrote:

 Instead of JsArray, you can use Object[] or JsType[] (will be ready by
 2.8), instead of Integer, you can Double (in 2.8 release, Double exactly
 maps to number in javascript).

 On Thu, Nov 19, 2015 at 6:22 AM, Paul Stockley 
 wrote:

> We wrote our own RPC mechanism that is based entirely on JSON, mainly
> for performance reasons on mobile. The client works with JS Overlay
> representation of the server DTO objects. We have a tool that 
> automatically
> generates the JSO's, Looking at the new interop spec's it would be really
> nice for the client and server to work with the same Java DTO objects. I
> can see how most of it could work with the new system. However, we handle
> Java object representations for ints, doubles, booleans and also
> enumerations by generating code in the JSO's such as :
>
> public class ContractDoJSO extends PersistentDataObjectBaseJSO {
>
>protected ContractDoJSO() {}
>
>
> public final native ContractType getContractTypeDv() /*-{
>
>return (this.contractTypeDv == null) ? null : 
> @com.ocs.shared.businesslogic.contract.ContractType::valueOf(Ljava/lang/String;)(this.contractTypeDv);
>
> }-*/;
>
>
> public final native void setContractTypeDv(ContractType v) /*-{ 
> this.contractTypeDv = (v == null) ? null : 
> v...@com.ocs.shared.businesslogic.contract.ContractType::name()(); }-*/;
>
>
> public final native java.lang.Integer getPreferredEmployerId() /*-{
>
>   return (this.preferredEmployerId == null) ? null : 
> @java.lang.Integer::valueOf(I)(this.preferredEmployerId);
>
> }-*/;
> public final native void setPreferredEmployerId(java.lang.Integer v) /*-{
>
>  this.preferredEmployerId = (v == null) ? null : 
> v...@java.lang.Integer::intValue()();
>
> }-*/;
>
>
> In addition, if the DTO's contain arrays the client code has to access
> them using the JsArray class rather than the java collection API. Do you
> think there is some way to have a single representation using the new
> Interop mechanism?
>
>
> On Friday, October 23, 2015 at 3:13:55 AM UTC-4, Goktug Gokdogan wrote:
>
>> As we are getting close to 2.8 release I wrote a new document that is
>> concentrating on jsinterop features to be released in 2.8:
>>
>> https://docs.google.com/document/d/10fmlEYIHcyead_4R1S5wKGs1t2I7Fnp_PaNaa7XTEk0/edit#
>>
>> Please share your feedback.
>>
>> Thanks,
>>
>> Goktug
>>
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> .
>
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Re: [gwt-contrib] GWT 2.8.0-beta1 available for testing

[Paul Robinson]

Is it intentional/necessary that gwt-servlet.jar is compiled for Java 7 and
not Java 6?

On Fri, Dec 4, 2015 at 9:51 AM, Daniel Kurka  wrote:

> Hi all,
>
> we just finished testing for GWT 2.8.0-beta1. You can either download it
> from goo.gl/62SeR5 or from maven central.
>
> Release notes can be found here
> .
>
> Please start testing and let us know about any issues you encounter by
> either discussion here or filing bugs on github
> .
>
> -Daniel
>
> --
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> "GWT Contributors" group.
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> 
> .
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Re: [gwt-contrib] GWT 2.8.0-beta1 available for testing

[Juan Pablo Gardella]

It will be very useful to make gwt-servlet compatible with java 6

On 4 December 2015 at 17:41, Jens  wrote:

>
> Is it intentional/necessary that gwt-servlet.jar is compiled for Java 7
>> and not Java 6?
>>
>
> gwt-servlet.jar isn't really compiled, its just assembled. The build
> script compiles gwt-dev and gwt-user using Java 7 as minimum and then
> gwt-servlet.jar is created by pulling in a subset of already compiled
> classes of gwt-user and gwt-dev. That means gwt-servlet.jar also requires
> Java 7. So generally its intentional.
>
> Also as soon as we land Java 8 API emulations GWT will be compiled using
> Java 8 which would mean gwt-servlet.jar also requires Java 8. Its probably
> not possible to keep gwt-servlet.jar compatible to Java 7 because as soon
> as we add java.time emulation to GWT we probably also add GWT-RPC custom
> field serializers for Java 8 classes like LocalDate, etc.
>
> -- J.
>
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Re: [gwt-contrib] GWT 2.8.0-beta1 available for testing

[Thomas Broyer]

Given the intricacies of code dependencies, this is not going to be easy, 
and unless someone for whom it really matters jumps in to contribute a 
patch (possibly with help from maintainers) I'm afraid it's not going to be 
addressed.
Maybe it'd be easier to run Retrolambda or something similar on the 
"extracted" JAR to produce a Java6-compatible JAR; question is whether this 
should be done in GWT or in the applications that will run in a Java 6 JRE.

On Saturday, December 5, 2015 at 12:47:36 AM UTC+1, juan_pablo_gardella 
wrote:
>
> It will be very useful to make gwt-servlet compatible with java 6
>
> On 4 December 2015 at 17:41, Jens  wrote:
>
>>
>> Is it intentional/necessary that gwt-servlet.jar is compiled for Java 7 
>>> and not Java 6?
>>>
>>
>> gwt-servlet.jar isn't really compiled, its just assembled. The build 
>> script compiles gwt-dev and gwt-user using Java 7 as minimum and then 
>> gwt-servlet.jar is created by pulling in a subset of already compiled 
>> classes of gwt-user and gwt-dev. That means gwt-servlet.jar also requires 
>> Java 7. So generally its intentional.
>>
>> Also as soon as we land Java 8 API emulations GWT will be compiled using 
>> Java 8 which would mean gwt-servlet.jar also requires Java 8. Its probably 
>> not possible to keep gwt-servlet.jar compatible to Java 7 because as soon 
>> as we add java.time emulation to GWT we probably also add GWT-RPC custom 
>> field serializers for Java 8 classes like LocalDate, etc.
>>
>> -- J.
>>
>> -- 
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>> "GWT Contributors" group.
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>> https://groups.google.com/d/msgid/google-web-toolkit-contributors/afbc2b40-5a48-4e6d-960e-e59d46a81936%40googlegroups.com
>>  
>> 
>> .
>>
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>>
>
>

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Re: [gwt-contrib] GWT 2.8.0-beta1 available for testing

[Jens]

> Is it intentional/necessary that gwt-servlet.jar is compiled for Java 7 
> and not Java 6?
>

gwt-servlet.jar isn't really compiled, its just assembled. The build script 
compiles gwt-dev and gwt-user using Java 7 as minimum and then 
gwt-servlet.jar is created by pulling in a subset of already compiled 
classes of gwt-user and gwt-dev. That means gwt-servlet.jar also requires 
Java 7. So generally its intentional.

Also as soon as we land Java 8 API emulations GWT will be compiled using 
Java 8 which would mean gwt-servlet.jar also requires Java 8. Its probably 
not possible to keep gwt-servlet.jar compatible to Java 7 because as soon 
as we add java.time emulation to GWT we probably also add GWT-RPC custom 
field serializers for Java 8 classes like LocalDate, etc.

-- J.

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Re: [gwt-contrib] GWT 2.8.0-beta1 available for testing

['Goktug Gokdogan' via GWT Contributors]

On Fri, Dec 4, 2015 at 3:41 PM, Jens  wrote:

>
> Is it intentional/necessary that gwt-servlet.jar is compiled for Java 7
>> and not Java 6?
>>
>
> gwt-servlet.jar isn't really compiled, its just assembled. The build
> script compiles gwt-dev and gwt-user using Java 7 as minimum and then
> gwt-servlet.jar is created by pulling in a subset of already compiled
> classes of gwt-user and gwt-dev. That means gwt-servlet.jar also requires
> Java 7. So generally its intentional.
>
> Also as soon as we land Java 8 API emulations GWT will be compiled using
> Java 8 which would mean gwt-servlet.jar also requires Java 8. Its probably
> not possible to keep gwt-servlet.jar compatible to Java 7 because as soon
> as we add java.time emulation to GWT we probably also add GWT-RPC custom
> field serializers for Java 8 classes like LocalDate, etc.
>

As you mention, it looks like the only reason to compile with Java8 is the
custom field serializers. When that happens, those extra custom field
serializers could be supplied as a separate jar.


> -- J.
>
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> .
>
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>

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