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After defining a Sling Model, what step is required to enable JSON export on any component?
To enable JSON export on any component after defining a Sling Model, you need to annotate the Sling Model interface with @Exporter annotation. This annotation is part of the Sling Model Exporter framework which allows Sling Models to be exported in JSON format.
Here is the detailed step-by-step explanation:
Define the Sling Model: Define your Sling Model with the necessary annotations and methods. For example:
@Model(adaptables = Resource.class)
public class MyModel {
@Inject
private String title;
public String getTitle() {
return title;
}
}
Annotate with @Exporter: Annotate the Sling Model class with @Exporter to enable JSON export. The @Exporter annotation configures the model to be exported as JSON.
@Model(adaptables = Resource.class)
@Exporter(name = 'jackson', extensions = 'json')
public class MyModel {
@Inject
private String title;
public String getTitle() {
return title;
}
}
Access the JSON Output: Once annotated, the JSON representation of the model can be accessed through the .model.json extension. For example, if your component is at /content/mysite/en, you can access the JSON output at:
http://localhost:4502/content/mysite/en.model.json
This approach leverages the Sling Model Exporter framework to seamlessly convert Sling Models to JSON format, making it easy to integrate with front-end frameworks and other systems that consume JSON data.
A client has asked to share an HTML version of test coverage report for the AEM project.
What plugin should the AEM developer use to generate test coverage report using latest archetype?
A)
B)
C)
To generate a test coverage report for an AEM project using the latest archetype, the correct plugin to use is the maven-surefire-plugin (Option A). The maven-surefire-plugin is a part of the Maven ecosystem and is widely used to run unit tests within a Maven project. This plugin can be configured to generate detailed test reports, including HTML versions, which can be easily shared with clients.
Here's how to configure the maven-surefire-plugin to generate test coverage reports:
Add the Plugin to the POM File: Add the maven-surefire-plugin configuration in your pom.xml file:
<groupId>org.apache.maven.plugins</groupId>
<version>2.22.2</version>
<configuration>
<reportsDirectory>${project.build.directory}/surefire-reports</reportsDirectory>
<reportFormat>html</reportFormat>
<trimStackTrace>false</trimStackTrace>
</configuration>
Execute the Maven Command: Run the following command to execute the tests and generate the coverage report:
mvn clean test
Locate the Report: The HTML test coverage report will be generated in the target/surefire-reports directory of your project.
Where should an AEM Developer add a front end dependency?
An AEM Developer should add a front-end dependency in the package.json file. The package.json file is a standard configuration file for managing dependencies in JavaScript projects, including those using npm or Yarn as package managers.
Here's how to add a front-end dependency:
Open the package.json File: This file is typically located at the root of your project.
Add the Dependency: Add the required front-end dependency under the dependencies or devDependencies section. For example, to add lodash as a dependency:
{
'name': 'my-aem-project',
'version': '1.0.0',
'dependencies': {
'lodash': '^4.17.21'
}
}
Install the Dependency: Run the following command to install the new dependency:
npm install
Verify Installation: Ensure that the dependency has been added to the node_modules directory and is listed in the package-lock.json file.
The package.json file is the central place to manage all front-end dependencies, making it easy to track, update, and share dependencies across the development team.
Managing Dependencies in AEM Projects
These steps ensure that the front-end dependencies are managed efficiently and consistently within the AEM project.
Which option should be used to synchronize user data across publish servers in a publish farm?
A developer has multiple LDAP Authentication providers. The user is not required to pass the authentication test of the Authentication provider
* If authentication succeeds, control is returned to the caller; no subsequent Authentication provider down the list Is executed.
* If authentication fails, authentication continues down the list of providers.
What should be the JAAS Control flag value in Apache Jackrabbit Oak External Login Module configuration?
The JAAS Control flag SUFFICIENT is used when you have multiple LDAP authentication providers and you want the following behavior:
Immediate Return on Success:
If authentication succeeds with the current provider, control is returned to the caller immediately, and no subsequent providers in the list are executed.
This is efficient and reduces unnecessary processing if a user's credentials are successfully authenticated by one of the initial providers.
Continue on Failure:
If authentication fails with the current provider, the authentication process continues down the list of providers until a successful authentication occurs or all providers are exhausted.
This ensures that all available providers are tried before authentication is ultimately denied.
The SUFFICIENT control flag is thus well-suited for configurations where multiple authentication providers are used, and only one successful authentication is needed to grant access.
