HeaderModel.java

package com.aemks.core.models;

import com.day.cq.wcm.api.Page;
import org.apache.commons.io.FilenameUtils;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.models.annotations.DefaultInjectionStrategy;
import org.apache.sling.models.annotations.Model;
import org.apache.sling.models.annotations.injectorspecific.Self;
import org.apache.sling.models.annotations.injectorspecific.SlingObject;

import javax.annotation.PostConstruct;

@Model(
        adaptables = SlingHttpServletRequest.class,
        adapters = { HeaderModel.class },
        resourceType = HeaderModel.RESOURCE_TYPE,
        defaultInjectionStrategy = DefaultInjectionStrategy.OPTIONAL)
public class HeaderModel {

    public static final String RESOURCE_TYPE="aemks/components/header";

    @Self
    private SlingHttpServletRequest request;
        
    @ScriptVariable
    private Page currentPage;

    private Page pageFromSuffix;

    @SlingObject
    private ResourceResolver resourceResolver;

    @PostConstruct
    protected void init() {
        if (request.getRequestPathInfo().getResourcePath().startsWith("/conf") || request.getRequestPathInfo()
                .getResourcePath().startsWith("/content/experience-fragments")) {
            String suffix = request.getRequestPathInfo().getSuffix();
            if(suffix!=null){
                suffix = FilenameUtils.removeExtension(suffix);
                Resource currentPageResource = resourceResolver.getResource(suffix);
                if(currentPageResource!=null){
                    // Use the page from suffix passed from dispatcher    
                    pageFromSuffix = currentPageResource.adaptTo(Page.class);
                }

            }else{
                // Use OOTB currentPage in author or publish
                pageFromSuffix = currentPage;
            }
        }


    }
}