EDIT

/**

 *

 */

package eu.etaxonomy.cdm.strategy.cache;

import java.util.ArrayList;

import java.util.List;

import java.util.SortedSet;

import java.util.TreeSet;

/**

 * Rules to define tagging for HTML tagged string output.

 *

 * @author a.mueller

 * @since 14/02/2012

 */

public class HTMLTagRules {

	private List<TagRule> rules = new ArrayList<>();

	private class TagRule{

		private TagRule(TagEnum type, String htmlTag){

		    this.type = type;

		    this.htmlTag = htmlTag;

		}

		private TagEnum type;

		private String htmlTag;

//		public TagEnum getType(){return this.type;}

//		public String getString(){return this.htmlTag;}

		@Override public String toString(){return type.name() + "-><" + htmlTag + ">";}

	}

	public HTMLTagRules addRule(TagEnum type, String htmlTag){

		if (type == null || htmlTag == null){

			throw new NullPointerException("Null tpye or htmlTag not allowed for HTMLTagRule");

		}

		rules.add(new TagRule(type, htmlTag));

		return this;

	}

	public SortedSet<String> getRule(TagEnum type){

		SortedSet<String> result = new TreeSet<>();

		for (TagRule rule : rules){

			if (rule.type.equals(type)){

				result.add(rule.htmlTag);

			}

		}

		return result;

	}

	public boolean hasRule(TagEnum type, String htmlTag){

		for (TagRule rule : rules){

			if (rule.type.equals(type) && htmlTag.equals(htmlTag)){

				return true;

			}

		}

		return false;

	}

	@Override

	public String toString(){

		String result = "HTMLTagRules[";

		for (TagRule rule : rules){

			result += rule.toString() + ";";

		}

		result = result.substring(0, result.length() -1) + "]";

		return result;

	}

}