[jira] [Assigned] (SLING-9458) Support Feature Model files inside a JAR File

2020-05-19 Thread Andreas Schaefer (Jira)


 [ 
https://issues.apache.org/jira/browse/SLING-9458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Andreas Schaefer reassigned SLING-9458:
---

Assignee: Andreas Schaefer

> Support Feature Model files inside a JAR File
> -
>
> Key: SLING-9458
> URL: https://issues.apache.org/jira/browse/SLING-9458
> Project: Sling
>  Issue Type: Improvement
>  Components: Feature Model
>Affects Versions: Feature Model 1.2.0
>Reporter: Andreas Schaefer
>Assignee: Andreas Schaefer
>Priority: Major
> Fix For: Feature Model 1.2.2
>
>
> A Feature Model file cannot be passed to the Feature Model when inside a JAR 
> file (jar:file:/...!/feature-model-file.json).
> As we already have Feature Archive that needs to obtain the Feature Model 
> file from within its FAR (JAR) file this might be useful there as well.



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Update of a Read-Only Sling Instance with Composite Node

2020-05-19 Thread Andreas Schaefer
Hi

[SOLUTION]: I got this fixed by deleting the Sling (launcher) instance on every 
startup. Not sure where the configuration is set and if there is a way to avoid 
this. Still I would love to know why this failed.

I am trying to update a Sling instance with a partial read-only composite node 
store but ran into issues with it.

What I did:

- Create a Sling 12 instance (seed)
- Restart Sling with the Composite Nodestore (runtime)
- Stopped Sling
- Copied away the read-only nodestore
- Started Sling with the seed configuration to rebuild the read-only part

Here I am seeing a failure because Oak still thinks this is a read-only 
nodestore:

ERROR: bundle org.apache.jackrabbit.oak-store-composite:1.26.0 
(78)[org.apache.jackrabbit.oak.composite.CompositeNodeStoreService(79)] : The 
bindNodeStore method has thrown an exception
java.lang.IllegalArgumentException: Following partial mounts are write-enabled: 
 [[libs]]
at 
com.google.common.base.Preconditions.checkArgument(Preconditions.java:120)
at 
org.apache.jackrabbit.oak.composite.CompositeNodeStore.assertPartialMountsAreReadOnly(CompositeNodeStore.java:127)
at 
org.apache.jackrabbit.oak.composite.CompositeNodeStore.(CompositeNodeStore.java:106)
at 
org.apache.jackrabbit.oak.composite.CompositeNodeStore$Builder.build(CompositeNodeStore.java:442)
at 
org.apache.jackrabbit.oak.composite.CompositeNodeStoreService.registerCompositeNodeStore(CompositeNodeStoreService.java:191)
at 
org.apache.jackrabbit.oak.composite.CompositeNodeStoreService.bindNodeStore(CompositeNodeStoreService.java:272)

Cheers - Andy

[jira] [Created] (SLING-9458) Support Feature Model files inside a JAR File

2020-05-19 Thread Andreas Schaefer (Jira)
Andreas Schaefer created SLING-9458:
---

 Summary: Support Feature Model files inside a JAR File
 Key: SLING-9458
 URL: https://issues.apache.org/jira/browse/SLING-9458
 Project: Sling
  Issue Type: Improvement
  Components: Feature Model
Affects Versions: Feature Model 1.2.0
Reporter: Andreas Schaefer
 Fix For: Feature Model 1.2.2


A Feature Model file cannot be passed to the Feature Model when inside a JAR 
file (jar:file:/...!/feature-model-file.json).

As we already have Feature Archive that needs to obtain the Feature Model file 
from within its FAR (JAR) file this might be useful there as well.



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[jira] [Resolved] (SLING-9457) Nested loops without an item identifier generate a Java compilation error

2020-05-19 Thread Radu Cotescu (Jira)


 [ 
https://issues.apache.org/jira/browse/SLING-9457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Radu Cotescu resolved SLING-9457.
-
Resolution: Fixed

Fixed in [commit 
ba8e83a|https://github.com/apache/sling-org-apache-sling-scripting-sightly-compiler-java/commit/ba8e83a].

> Nested loops without an item identifier generate a Java compilation error
> -
>
> Key: SLING-9457
> URL: https://issues.apache.org/jira/browse/SLING-9457
> Project: Sling
>  Issue Type: Bug
>  Components: Scripting
>Reporter: Radu Cotescu
>Assignee: Radu Cotescu
>Priority: Major
> Fix For: Scripting HTL Java Compiler 1.2.0-1.4.0
>
>
> SLING-9142 introduced a 
> [regression|https://github.com/apache/sling-org-apache-sling-scripting-sightly-compiler-java/commit/7476e0e3cad660228dc1e6c6dbc58a0ea5a5baee#diff-d97cfba1ce4a85137e765d5e9c38ebaaL50],
>  where nested loops without an item identifier would generate a Java compiler 
> error, since the nested loop tries to redefine the same local variable.



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[jira] [Created] (SLING-9457) Nested loops without an item identifier generate a Java compilation error

2020-05-19 Thread Radu Cotescu (Jira)
Radu Cotescu created SLING-9457:
---

 Summary: Nested loops without an item identifier generate a Java 
compilation error
 Key: SLING-9457
 URL: https://issues.apache.org/jira/browse/SLING-9457
 Project: Sling
  Issue Type: Bug
  Components: Scripting
Reporter: Radu Cotescu
Assignee: Radu Cotescu
 Fix For: Scripting HTL Java Compiler 1.2.0-1.4.0


SLING-9142 introduced a 
[regression|https://github.com/apache/sling-org-apache-sling-scripting-sightly-compiler-java/commit/7476e0e3cad660228dc1e6c6dbc58a0ea5a5baee#diff-d97cfba1ce4a85137e765d5e9c38ebaaL50],
 where nested loops without an item identifier would generate a Java compiler 
error, since the nested loop tries to redefine the same local variable.



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[jira] [Commented] (SLING-9456) Announce presence of JCR users as OSGi services

2020-05-19 Thread Oliver Lietz (Jira)


[ 
https://issues.apache.org/jira/browse/SLING-9456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17111450#comment-17111450
 ] 

Oliver Lietz commented on SLING-9456:
-

Implementing a health check checking for a technical user is one use case. See 
SLING-5006 also where the intention for allowing all users in 
{{ServiceUserMapped}} is described.
 I'm not trying to _fix_¹ the current service user mapping and validation, but 
I think [~joerghoh] is right: An approach based on OSGi services _would be much 
more reliable and flexible than any other existing_.
 Though we would have to define a common service interface to allow non-JCR 
implementations.

[1] It's just an exercise done at the weekend.

> Announce presence of JCR users as OSGi services
> ---
>
> Key: SLING-9456
> URL: https://issues.apache.org/jira/browse/SLING-9456
> Project: Sling
>  Issue Type: New Feature
>  Components: JCR
>Reporter: Oliver Lietz
>Assignee: Oliver Lietz
>Priority: Major
> Fix For: JCR Presence 1.0.0
>
>
> Same like Resource Presence but on JCR level and for JCR users only.
> See also [~jhoh] on 
> [Twitter|https://twitter.com/joerghoh/status/1260659833558065152].



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[jira] [Commented] (SLING-9456) Announce presence of JCR users as OSGi services

2020-05-19 Thread Jira


[ 
https://issues.apache.org/jira/browse/SLING-9456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17111326#comment-17111326
 ] 

Jörg Hoh commented on SLING-9456:
-

> Normal users could be useful when a technical user with password is required

Well, I don't get that usecase. Why would you require on Sling side a technical 
user with a password to enable a functionality/service?

> Announce presence of JCR users as OSGi services
> ---
>
> Key: SLING-9456
> URL: https://issues.apache.org/jira/browse/SLING-9456
> Project: Sling
>  Issue Type: New Feature
>  Components: JCR
>Reporter: Oliver Lietz
>Assignee: Oliver Lietz
>Priority: Major
> Fix For: JCR Presence 1.0.0
>
>
> Same like Resource Presence but on JCR level and for JCR users only.
> See also [~jhoh] on 
> [Twitter|https://twitter.com/joerghoh/status/1260659833558065152].



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[jira] [Commented] (SLING-9456) Announce presence of JCR users as OSGi services

2020-05-19 Thread Oliver Lietz (Jira)


[ 
https://issues.apache.org/jira/browse/SLING-9456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17111315#comment-17111315
 ] 

Oliver Lietz commented on SLING-9456:
-

[~joerghoh], [~rombert], Normal users could be useful when a technical user 
with password is required. The service user mapping also supports normal users. 
The current service user validation is extensible but I haven't seen an 
implementation where non-JCR users are used.

> Announce presence of JCR users as OSGi services
> ---
>
> Key: SLING-9456
> URL: https://issues.apache.org/jira/browse/SLING-9456
> Project: Sling
>  Issue Type: New Feature
>  Components: JCR
>Reporter: Oliver Lietz
>Assignee: Oliver Lietz
>Priority: Major
> Fix For: JCR Presence 1.0.0
>
>
> Same like Resource Presence but on JCR level and for JCR users only.
> See also [~jhoh] on 
> [Twitter|https://twitter.com/joerghoh/status/1260659833558065152].



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[jira] [Commented] (SLING-6203) Create a Maven archetype for content packages

2020-05-19 Thread Robert Munteanu (Jira)


[ 
https://issues.apache.org/jira/browse/SLING-6203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17111292#comment-17111292
 ] 

Robert Munteanu commented on SLING-6203:


Thanks a lot [~bellingard]!

> Create a Maven archetype for content packages
> -
>
> Key: SLING-6203
> URL: https://issues.apache.org/jira/browse/SLING-6203
> Project: Sling
>  Issue Type: Sub-task
>  Components: General
>Reporter: Robert Munteanu
>Assignee: Robert Munteanu
>Priority: Major
>




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[jira] [Commented] (SLING-6203) Create a Maven archetype for content packages

2020-05-19 Thread Fabrice Bellingard (Jira)


[ 
https://issues.apache.org/jira/browse/SLING-6203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17111287#comment-17111287
 ] 

Fabrice Bellingard commented on SLING-6203:
---

Done [~rombert]! => 
https://sonarcloud.io/project/configuration?id=apache_sling-content-package-archetype

> Create a Maven archetype for content packages
> -
>
> Key: SLING-6203
> URL: https://issues.apache.org/jira/browse/SLING-6203
> Project: Sling
>  Issue Type: Sub-task
>  Components: General
>Reporter: Robert Munteanu
>Assignee: Robert Munteanu
>Priority: Major
>




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[jira] [Commented] (SLING-9456) Announce presence of JCR users as OSGi services

2020-05-19 Thread Robert Munteanu (Jira)


[ 
https://issues.apache.org/jira/browse/SLING-9456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17111284#comment-17111284
 ] 

Robert Munteanu commented on SLING-9456:


I think we should consolidate this and {{ServiceUserMapped}}, otherwise it's 
confusing.

> Announce presence of JCR users as OSGi services
> ---
>
> Key: SLING-9456
> URL: https://issues.apache.org/jira/browse/SLING-9456
> Project: Sling
>  Issue Type: New Feature
>  Components: JCR
>Reporter: Oliver Lietz
>Assignee: Oliver Lietz
>Priority: Major
> Fix For: JCR Presence 1.0.0
>
>
> Same like Resource Presence but on JCR level and for JCR users only.
> See also [~jhoh] on 
> [Twitter|https://twitter.com/joerghoh/status/1260659833558065152].



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[jira] [Commented] (SLING-9456) Announce presence of JCR users as OSGi services

2020-05-19 Thread Jira


[ 
https://issues.apache.org/jira/browse/SLING-9456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17111281#comment-17111281
 ] 

Jörg Hoh commented on SLING-9456:
-

I would be already happy if this feature "just" works for system users. I 
cannot think of a usecase where I would create a dependency towards a "generic" 
user.

> Announce presence of JCR users as OSGi services
> ---
>
> Key: SLING-9456
> URL: https://issues.apache.org/jira/browse/SLING-9456
> Project: Sling
>  Issue Type: New Feature
>  Components: JCR
>Reporter: Oliver Lietz
>Assignee: Oliver Lietz
>Priority: Major
> Fix For: JCR Presence 1.0.0
>
>
> Same like Resource Presence but on JCR level and for JCR users only.
> See also [~jhoh] on 
> [Twitter|https://twitter.com/joerghoh/status/1260659833558065152].



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[GitHub] [sling-org-apache-sling-app-cms] sonarcloud[bot] commented on pull request #10: Avoid interaction with tzdata

2020-05-19 Thread GitBox


sonarcloud[bot] commented on pull request #10:
URL: 
https://github.com/apache/sling-org-apache-sling-app-cms/pull/10#issuecomment-630808282


   Kudos, SonarCloud Quality Gate passed!
   
   [](https://sonarcloud.io/project/issues?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&resolved=false&types=BUG)
 [](https://sonarcloud.io/project/issues?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&resolved=false&types=BUG)
 [0 
Bugs](https://sonarcloud.io/project/issues?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&resolved=false&types=BUG)
  
   [](https://sonarcloud.io/project/issues?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&resolved=false&types=VULNERABILITY)
 [](https://sonarcloud.io/project/issues?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&resolved=false&types=VULNERABILITY)
 [0 
Vulnerabilities](https://sonarcloud.io/project/issues?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&resolved=false&types=VULNERABILITY)
 (and [](https://sonarcloud.io/project/issues?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&resolved=false&types=SECURITY_HOTSPOT)
 [0 Security 
Hotspots](https://sonarcloud.io/project/issues?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&resolved=false&types=SECURITY_HOTSPOT)
 to review)  
   [](https://sonarcloud.io/project/issues?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&resolved=false&types=CODE_SMELL)
 [](https://sonarcloud.io/project/issues?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&resolved=false&types=CODE_SMELL)
 [0 Code 
Smells](https://sonarcloud.io/project/issues?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&resolved=false&types=CODE_SMELL)
   
   [](https://sonarcloud.io/component_measures?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&metric=coverage&view=list)
 No Coverage information  
   [](https://sonarcloud.io/component_measures?id=apache_sling-org-apache-sling-app-cms&pullRequest=10&metric=duplicated_lines_density&view=list)
 No Duplication information
   
   



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[GitHub] [sling-org-apache-sling-app-cms] bdelacretaz opened a new pull request #10: Avoid interaction with tzdata

2020-05-19 Thread GitBox


bdelacretaz opened a new pull request #10:
URL: https://github.com/apache/sling-org-apache-sling-app-cms/pull/10


   Without this, tzdata asks me for timezone information while building the 
webcache images, and blocks instead of reading my response.



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[jira] [Updated] (SLING-9456) Announce presence of JCR users as OSGi services

2020-05-19 Thread Oliver Lietz (Jira)


 [ 
https://issues.apache.org/jira/browse/SLING-9456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Oliver Lietz updated SLING-9456:

Description: 
Same like Resource Presence but on JCR level and for JCR users only.

See also [~jhoh] on 
[Twitter|https://twitter.com/joerghoh/status/1260659833558065152].

  was:Same like Resource Presence but on JCR level and for JCR users only.


> Announce presence of JCR users as OSGi services
> ---
>
> Key: SLING-9456
> URL: https://issues.apache.org/jira/browse/SLING-9456
> Project: Sling
>  Issue Type: New Feature
>  Components: JCR
>Reporter: Oliver Lietz
>Assignee: Oliver Lietz
>Priority: Major
> Fix For: JCR Presence 1.0.0
>
>
> Same like Resource Presence but on JCR level and for JCR users only.
> See also [~jhoh] on 
> [Twitter|https://twitter.com/joerghoh/status/1260659833558065152].



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Re: Release Sling IDE 1.2.4

2020-05-19 Thread Robert Munteanu
On Tue, 2020-05-19 at 13:25 +0200, Konrad Windszus wrote:
> Hi Robert,
> I get the following error when opening your link:
> "The requested board cannot be viewed because it either does not
> exist or you do not have permission to view it."
> I am properly logged in to JIRA though.
> Can you make the filter public?

Ah, sorry, I keep forgetting to do that.

Try now.
Robert



[jira] [Created] (SLING-9456) Announce presence of JCR users as OSGi services

2020-05-19 Thread Oliver Lietz (Jira)
Oliver Lietz created SLING-9456:
---

 Summary: Announce presence of JCR users as OSGi services
 Key: SLING-9456
 URL: https://issues.apache.org/jira/browse/SLING-9456
 Project: Sling
  Issue Type: New Feature
  Components: JCR
Reporter: Oliver Lietz
Assignee: Oliver Lietz
 Fix For: JCR Presence 1.0.0


Same like Resource Presence but on JCR level and for JCR users only.



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[jira] [Commented] (SLING-9455) JsonItemWriter

2020-05-19 Thread Robert Munteanu (Jira)


[ 
https://issues.apache.org/jira/browse/SLING-9455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17111089#comment-17111089
 ] 

Robert Munteanu commented on SLING-9455:


Thanks for raising this issue [~yumeier]. I agree on the need to do this, even 
if I don't know right now what the best solution is :-)

I think that 
https://github.com/apache/sling-org-apache-sling-servlets-get/blob/06d8e1d45c073c35b65adfcd30ed49eb6c592dfa/src/main/java/org/apache/sling/servlets/get/impl/helpers/JsonRenderer.java
 covers most of your use case, except for negative list of properties, right? 
Of course, the problem is that it's not API, but I think it's a good starting 
point.

[~bdelacretaz] - IIUC the use cases are different. While you want to convert 
arbitrary objects, Juerg is looking to convert nodes or resources.

> JsonItemWriter
> --
>
> Key: SLING-9455
> URL: https://issues.apache.org/jira/browse/SLING-9455
> Project: Sling
>  Issue Type: New Feature
>  Components: Commons
>Affects Versions: Commons JSON 2.0.18
> Environment: Sling Starter
>Reporter: Juerg Meier
>Priority: Major
>
> Sling 8 came with an org.apache.sling.commons.json bundle/package. The .jcr 
> sub-package contained two classes:
>  * JsonItemWriter
>  * JsonJcrNode
> (javadoc 
> [here|https://sling.apache.org/apidocs/sling8/org/apache/sling/commons/json/jcr/package-summary.html)
> These two classes allowed for serializing a sling resource to well formated 
> JSON and a JCR node to an org.apache.sling.commons.json.JSONObject, 
> respectively.
> For legal reasons, this package was discontinued and is not present anymore 
> in later versions, including the current Sling 11 version.
> Consequently, Sling 11 lacks of a simple yet application-controllable way to 
> serialize a Resource directly to a JSON string. However, many API calls, used 
> in particular by client-side Javascript frameworks (e.g. for Single Page 
> Apps), rely heavily on JSON.
> Hence, it would be desirable to have the Sling 8 JSON package (or similar) 
> back in Sling. The following functionality should be present to have a 
> flexible JSON generator available within Sling:
>  * direct conversion of Nodes/Resources to a String containing JSON
>  * application control of node recursion levels (child nodes as JSON objects)
>  * should allow to set a negative list of properties (those not to render in 
> the output)
>  * proper rendering of all JCR property types to JSON including
>  ** date format definition (default = ISO8601)
>  ** multi-values support (as JSON arrays)
>  ** proper escaping of special chars in Strings
>  * adding additional string/value pairs by the application (i.e. not 
> originating from the dumped Resource)
> See also thread on the sling-users mailing list starting 12 May 
> 2020/"Resource to json serializing"
>  



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Re: Release Sling IDE 1.2.4

2020-05-19 Thread Konrad Windszus
Hi Robert,
I get the following error when opening your link:
"The requested board cannot be viewed because it either does not exist or you 
do not have permission to view it."
I am properly logged in to JIRA though.
Can you make the filter public?

Thanks,
Konrad

> On 19. May 2020, at 13:23, Robert Munteanu  wrote:
> 
> On Thu, 2020-05-14 at 13:17 +0200, Robert Munteanu wrote:
>> Hi Konrad,
>> 
>> On Thu, 2020-05-14 at 13:12 +0200, Konrad Windszus wrote:
>>> Hi,
>>> the last release of the Sling IDE is from February 2018. Since then
>>> some issues have been fixed 
>>> https://issues.apache.org/jira/projects/SLING/versions/12342835 <
>>> https://issues.apache.org/jira/projects/SLING/versions/12342835>;;.
>>> WDYT about a new release.
>>> Since signing is tricky I would appreciate if you could take it up
>>> @Robert. Otherwise I would need some hints.
>> 
>> I did not try the codesigning since the restructuring. But I'd be
>> willing to try it, at some point we need to get it done.
>> 
>>> Is any other outstanding issue urgently needed for the next
>>> release?
>> 
>> https://issues.apache.org/jira/browse/SLING-7596 , and help would be
>> welcome as I don't think I can look into this in the following couple
>> of weeks.
> 
> BTW, I've been using the following board to get an overview of what has
> been done for a release and what is still planned.
> 
>  https://issues.apache.org/jira/secure/RapidBoard.jspa?rapidView=54
> 
> Thanks,
> Robert
> 



Re: Release Sling IDE 1.2.4

2020-05-19 Thread Robert Munteanu
On Thu, 2020-05-14 at 13:17 +0200, Robert Munteanu wrote:
> Hi Konrad,
> 
> On Thu, 2020-05-14 at 13:12 +0200, Konrad Windszus wrote:
> > Hi,
> > the last release of the Sling IDE is from February 2018. Since then
> > some issues have been fixed 
> > https://issues.apache.org/jira/projects/SLING/versions/12342835 <
> > https://issues.apache.org/jira/projects/SLING/versions/12342835>;;.
> > WDYT about a new release.
> > Since signing is tricky I would appreciate if you could take it up
> > @Robert. Otherwise I would need some hints.
> 
> I did not try the codesigning since the restructuring. But I'd be
> willing to try it, at some point we need to get it done.
> 
> > Is any other outstanding issue urgently needed for the next
> > release?
> 
> https://issues.apache.org/jira/browse/SLING-7596 , and help would be
> welcome as I don't think I can look into this in the following couple
> of weeks.

BTW, I've been using the following board to get an overview of what has
been done for a release and what is still planned.

  https://issues.apache.org/jira/secure/RapidBoard.jspa?rapidView=54

Thanks,
Robert



[jira] [Commented] (SLING-9455) JsonItemWriter

2020-05-19 Thread Bertrand Delacretaz (Jira)


[ 
https://issues.apache.org/jira/browse/SLING-9455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17110935#comment-17110935
 ] 

Bertrand Delacretaz commented on SLING-9455:


FWIW, I have similar needs in the GraphQL core module, currently using 
{{json-io}} in the 
[JsonSerializer|https://github.com/apache/sling-org-apache-sling-graphql-core/blob/master/src/main/java/org/apache/sling/graphql/core/json/JsonSerializer.java]
 as that's lightweight and easy to use.

As we are using http://johnzon.apache.org/ in our 
{{org.apache.sling.commons.johnzon}} module it might make sense to use their 
{{Mapper}} for this. I haven't found much documentation about that but Steven 
Walters [provided useful information about 
it|https://lists.apache.org/thread.html/r6d7e2da06f821d816806985c8a6c1cb3820bc011d8fa2ca3a5b8b8cf%40%3Cusers.sling.apache.org%3E]
 on our users lists.

If someone writes code for this I'm happy to try it in the GraphQL core module, 
where I basically need to convert arbitrary objects (not JCR-related) to and 
from JSON.

> JsonItemWriter
> --
>
> Key: SLING-9455
> URL: https://issues.apache.org/jira/browse/SLING-9455
> Project: Sling
>  Issue Type: New Feature
>  Components: Commons
>Affects Versions: Commons JSON 2.0.18
> Environment: Sling Starter
>Reporter: Juerg Meier
>Priority: Major
>
> Sling 8 came with an org.apache.sling.commons.json bundle/package. The .jcr 
> sub-package contained two classes:
>  * JsonItemWriter
>  * JsonJcrNode
> (javadoc 
> [here|https://sling.apache.org/apidocs/sling8/org/apache/sling/commons/json/jcr/package-summary.html)
> These two classes allowed for serializing a sling resource to well formated 
> JSON and a JCR node to an org.apache.sling.commons.json.JSONObject, 
> respectively.
> For legal reasons, this package was discontinued and is not present anymore 
> in later versions, including the current Sling 11 version.
> Consequently, Sling 11 lacks of a simple yet application-controllable way to 
> serialize a Resource directly to a JSON string. However, many API calls, used 
> in particular by client-side Javascript frameworks (e.g. for Single Page 
> Apps), rely heavily on JSON.
> Hence, it would be desirable to have the Sling 8 JSON package (or similar) 
> back in Sling. The following functionality should be present to have a 
> flexible JSON generator available within Sling:
>  * direct conversion of Nodes/Resources to a String containing JSON
>  * application control of node recursion levels (child nodes as JSON objects)
>  * should allow to set a negative list of properties (those not to render in 
> the output)
>  * proper rendering of all JCR property types to JSON including
>  ** date format definition (default = ISO8601)
>  ** multi-values support (as JSON arrays)
>  ** proper escaping of special chars in Strings
>  * adding additional string/value pairs by the application (i.e. not 
> originating from the dumped Resource)
> See also thread on the sling-users mailing list starting 12 May 
> 2020/"Resource to json serializing"
>  



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