Add HTTP default listener

[TharmiganK]

Purpose

$Subject

Fixes: ballerina-platform/ballerina-library#7514

Mock central page: https://central.ballerina.io/tharmigank/http/0.6.0

Examples

import ballerina/http;

listener http:Listener httpListener = http:getDefaultListener();

service /api/v1 on httpListener {

    resource function get greeting() returns string {
        return "Hello, World from Service 1!";
    }
}

The port and listener configuration of the default listener can be changed in the Config.toml as follows:

[ballerina.http]
defaultListenerPort = 8080

[ballerina.http.defaultListenerConfig]
httpVersion = "1.1"

[ballerina.http.defaultListenerConfig.secureSocket.key]
path = "resources/certs/ballerinaKeystore.p12"
password = "ballerina"

Checklist

• Linked to an issue
• Updated the changelog
• Added tests
• Updated the spec
• Checked native-image compatibility
• Checked the impact on OpenAPI generation

[codecov]

Codecov Report

Attention: Patch coverage is 87.50000% with 1 line in your changes missing coverage. Please review.

Project coverage is 79.88%. Comparing base (ebfea77) to head (e4acd20).
Report is 6 commits behind head on master.

Files with missing lines	Patch %	Lines
ballerina/http_default_listener.bal	87.50%	1 Missing ⚠️

❌ Your project status has failed because the head coverage (79.88%) is below the target coverage (80.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2289      +/-   ##
============================================
- Coverage     80.42%   79.88%   -0.54%     
- Complexity        0      678     +678     
============================================
  Files           366      418      +52     
  Lines         20752    23127    +2375     
  Branches       3290     3752     +462     
============================================
+ Hits          16689    18475    +1786     
- Misses         3128     3516     +388     
- Partials        935     1136     +201     

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud