Sling Model in AEM | Adobe Experience Manager

 In this article we will learn about how we can create a sling model in AEM and then use it in slightly in AEM.

Create Component on Instance

• Go to your AEM instance and then create a component with cq:dailog and add your required properties.
• rename jsp file to .html
• In .html file write the  path of your sling model and print the properties  with object of sling model
  
  
  
  

Create Sling Model

sling Model Interface 

package sa.com.stc.core.models;

import com.adobe.cq.export.json.ComponentExporter;

public interface AAA extends ComponentExporter {

String getTitle();

String getDescription();

}

package path of interface is used load the sling model in component

Sling Model Implementation class

package sa.com.stc.core.models.Impl;

import javax.inject.Inject;

import org.apache.sling.api.SlingHttpServletRequest;

import org.apache.sling.models.annotations.Default;

import org.apache.sling.models.annotations.DefaultInjectionStrategy;

import org.apache.sling.models.annotations.Model;

import org.apache.sling.models.annotations.injectorspecific.OSGiService;

import org.apache.sling.models.annotations.injectorspecific.ValueMapValue;

import sa.com.stc.core.services.CxpOsgiConfig;

import sa.com.stc.core.models.AAA;

@Model(adaptables = SlingHttpServletRequest.class,

adapters = AAA.class,

defaultInjectionStrategy=DefaultInjectionStrategy.OPTIONAL

)

public class AAAImpl implements AAA{

@Inject

@OSGiService

CxpOsgiConfig cxpOsgiConfig;

@ValueMapValue

@Default(values ="tit")

String title;

@ValueMapValue

@Default(values = "desp")

String description;

@Override

public String getTitle()

{

return title +cxpOsgiConfig.getBaseUrl();

}

@Override

public String getDescription()

{

return description + cxpOsgiConfig.getPort();

}

@Override

public String getExportedType() {

return "Nothing";

}

}

Annotation 

@Model
   adpatables: explain how this model will behave
   adpater : write the name of your interface (in case your are not using interface you can skip it)

@ValueMapValue
     Used specifically to map content properties to java fields in the sling model
@Reuired : help to make the value reqauired
@ Default:to add default value 
@OSGIService is used to call the osgi service in sling model
@Inject also used of same als ValueMapValue you can use one of them.

Build and Deploy this Model to AEM

goto core folder of your project and run following command
mvn clean install -PautoInstallBundle



Thanks