RenRenEmotions.java

package com.cattong.sns.impl.renren;

import java.util.HashMap;
import java.util.regex.Pattern;

import com.cattong.weibo.Emotions;


public class RenRenEmotions extends Emotions {

	private static final Pattern SPECIALIZED_PATTERN = Pattern.compile("\\((\\w|\\p{InCJKUnifiedIdeographs}){1,4}\\)");

	private static RenRenEmotions emontion;

	private HashMap<String, String> specializedToNormalizedMap;

	private HashMap<String, String> normalizedToSpecializedMap;

	private RenRenEmotions() {
		specializedToNormalizedMap = new HashMap<String, String>();
		normalizedToSpecializedMap = new HashMap<String, String>();
	}

	public void loadEmontion(String normalized, String specialized) {
		if (!normalizedToSpecializedMap.containsKey(normalized)) {
			normalizedToSpecializedMap.put(normalized, specialized);
		}

		specializedToNormalizedMap.put(specialized, normalized);
	}

	public static synchronized RenRenEmotions getSingleton() {
		if (emontion == null) {
			emontion = new RenRenEmotions();
		}

		return emontion;
	}

	@Override
	public Pattern getSpecializedPattern() {
		return SPECIALIZED_PATTERN;
	}

	@Override
	public String getNormalizedEmotion(String specializedEmotion) {
		return specializedToNormalizedMap.get(specializedEmotion);
	}

	@Override
	public String getSpecializedEmotion(String normalizedEmotion) {
		return normalizedToSpecializedMap.get(normalizedEmotion);
	}

}