ContentsOps.java

package kornell.core.lom;

import java.util.ArrayList;
import java.util.List;

public class ContentsOps {
	//TODO: bind directly to Contents.collectActoms
	public static List<Actom> collectActoms(Contents contents) {
		List<Actom> actoms = new ArrayList<Actom>();
		for (Content content:contents.getChildren()) {
			collectContent(content, actoms);
		}		
		return actoms;
	}


	private static void collectTopic(Topic topic, List<Actom> actoms) {
		for (Content content : topic.getChildren()) {
			collectContent(content,actoms);
		}		
	}

	private static void collectContent(Content content, List<Actom> actoms) {
		ContentFormat format = content.getFormat();
		//TODO: Replace if with switch
		if(ContentFormat.Topic.equals(format)){
			collectTopic(content.getTopic(),actoms);
		}else if(ContentFormat.ExternalPage.equals(format)){
			collectPage(content.getExternalPage(),actoms);
		}
		
	}


	private static void collectPage(ExternalPage externalPage,
			List<Actom> actoms) {
		actoms.add(externalPage);
	}

	
}