LrcRow.java

package org.kymjs.music.ui.widget;

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

/**
 * 歌词包装类
 * 
 */
public class LrcRow implements Comparable<LrcRow> {

    // 开始时间
    public long time;
    // 歌词文本
    public String content;
    // 歌词时间
    public String strTime;

    public LrcRow() {
    }

    public LrcRow(String strTime, long time, String content) {
        this.strTime = strTime;
        this.time = time;
        this.content = content;
    }

    public static List<LrcRow> createRows(String standardLrcLine) {
        try {
            if (standardLrcLine.indexOf("[") != 0
                    || standardLrcLine.indexOf("]") != 9) {
                return null;
            }
            int lastIndexOfRightBracket = standardLrcLine.lastIndexOf("]");
            String content = standardLrcLine.substring(
                    lastIndexOfRightBracket + 1, standardLrcLine.length());

            String times = standardLrcLine
                    .substring(0, lastIndexOfRightBracket + 1)
                    .replace("[", "-").replace("]", "-");
            String arrTimes[] = times.split("-");
            List<LrcRow> listTimes = new ArrayList<LrcRow>();
            for (String temp : arrTimes) {
                if (temp.trim().length() == 0) {
                    continue;
                }
                LrcRow lrcRow = new LrcRow(temp, timeConvert(temp), content);
                listTimes.add(lrcRow);
            }
            return listTimes;
        } catch (Exception e) {
            return null;
        }
    }

    // 把歌词时间转换为毫秒值。
    private static long timeConvert(String timeString) {
        timeString = timeString.replace('.', ':');
        String[] times = timeString.split(":");
        // mm:ss:SS
        return Integer.valueOf(times[0]) * 60 * 1000
                + Integer.valueOf(times[1]) * 1000 + Integer.valueOf(times[2]);
    }

    public int compareTo(LrcRow another) {
        return (int) (this.time - another.time);
    }

}