OSGIClientImpl.java

package com.mysite.core.config;

import java.util.Objects;

import org.apache.commons.lang3.StringUtils;
import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.metatype.annotations.Designate;

/**
 * OSGi client service provides configuration.
 */

@Component(name="com.mysite.core.config.OSGIClient", service = OSGIClient.class,immediate = true)
@Designate(ocd = OSGIClientConfiguration.class)
public class OSGIClientImpl implements OSGIClient{
	 
	private OSGIClientConfiguration configuration;
	

	@Activate
	protected void activate(OSGIClientConfiguration configuration) {
		this.configuration = configuration;
	}
	
	@Override
	public String execute() {
	    String config = configuration.getConfig();
	    
	    if(Objects.isNull(config))
	    	config = StringUtils.EMPTY;
	    
		return config;
	}

}