pinyin4j, 병 음의 이니셜 가 져 오기

package cn.zyc.test;

import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;

import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;

public class PinYin {

	/**
	 *             ，      ，            ，     （   :cdc,zds,cds,zdc）
	 * 
	 * @param chines
	 *              
	 * @return   
	 */
	public static String converterToFirstSpell(String chines) {
		StringBuffer pinyinName = new StringBuffer();
		char[] nameChar = chines.toCharArray();
		HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
		defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
		defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
		for (int i = 0; i < nameChar.length; i++) {
			if (nameChar[i] > 128) {
				try {
					//            
					String[] strs = PinyinHelper.toHanyuPinyinStringArray(
							nameChar[i], defaultFormat);
					if (strs != null) {
						for (int j = 0; j < strs.length; j++) {
							//     
							pinyinName.append(strs[j].charAt(0));
							if (j != strs.length - 1) {
								pinyinName.append(",");
							}
						}
					}
				} catch (BadHanyuPinyinOutputFormatCombination e) {
					e.printStackTrace();
				}
			} else {
				pinyinName.append(nameChar[i]);
			}
			pinyinName.append(" ");
		}
		return parseTheChineseByObject(discountTheChinese(pinyinName.toString()));
	}

	/**
	 *          
	 * 
	 * @param theStr
	 * @return
	 */
	private static List<Map<String, Integer>> discountTheChinese(String theStr) {
		//             
		List<Map<String, Integer>> mapList = new ArrayList<Map<String, Integer>>();
		//            ，    
		Map<String, Integer> onlyOne = null;
		String[] firsts = theStr.split(" ");
		//          
		for (String str : firsts) {
			onlyOne = new Hashtable<String, Integer>();
			String[] china = str.split(",");
			//      
			for (String s : china) {
				Integer count = onlyOne.get(s);
				if (count == null) {
					onlyOne.put(s, new Integer(1));
				} else {
					onlyOne.remove(s);
					count++;
					onlyOne.put(s, count);
				}
			}
			mapList.add(onlyOne);
		}
		return mapList;
	}

	/**
	 *        ，      (    )
	 * 
	 * @return
	 */
	private static String parseTheChineseByObject(
			List<Map<String, Integer>> list) {
		Map<String, Integer> first = null; //        ,      
		//        
		for (int i = 0; i < list.size(); i++) {
			//             Map
			Map<String, Integer> temp = new Hashtable<String, Integer>();
			//      ，first  
			if (first != null) {
				//               ，   
				for (String s : first.keySet()) {
					for (String s1 : list.get(i).keySet()) {
						String str = s + s1;
						temp.put(str, 1);
					}
				}
				//          
				if (temp != null && temp.size() > 0) {
					first.clear();
				}
			} else {
				for (String s : list.get(i).keySet()) {
					String str = s;
					temp.put(str, 1);
				}
			}
			//               
			if (temp != null && temp.size() > 0) {
				first = temp;
			}
		}
		String returnStr = "";
		if (first != null) {
			//          
			for (String str : first.keySet()) {
				returnStr += (str + ",");
			}
		}
		if (returnStr.length() > 0) {
			returnStr = returnStr.substring(0, returnStr.length() - 1);
		}
		return returnStr;
	}

	public static void main(String[] args) {
		String str = "  ";
		System.out.println(converterToFirstSpell(str));
	}
}