Java tutorial
/* * Copyright 2011-2016 ZuoBian.com All right reserved. This software is the confidential and proprietary information of * ZuoBian.com ("Confidential Information"). You shall not disclose such Confidential Information and shall use it only * in accordance with the terms of the license agreement you entered into with ZuoBian.com. */ package com.zb.app.common.util; import java.util.ArrayList; import java.util.Collections; import java.util.HashSet; import java.util.Hashtable; import java.util.List; import java.util.Map; import java.util.Set; 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; import org.apache.commons.lang.StringUtils; import com.zb.app.common.core.lang.Argument; /** * * * @author zxc 2014-9-18 ?8:37:41 */ public class PinyinParser { public static Set<String> converter2AllSpell(String chines) { if (StringUtils.isEmpty(chines)) { return Collections.<String>emptySet(); } 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) { pinyinName.append(StringUtils.join(strs, ",")); } } catch (BadHanyuPinyinOutputFormatCombination e) { e.printStackTrace(); } } else { pinyinName.append(nameChar[i]); } pinyinName.append(" "); } return parseTheChineseByObject(discountTheChinese(pinyinName.toString())); } public static String converterToFirstSpell(String chines) { return StringUtils.join(converter2FirstSpell(chines), ","); } public static Set<String> converter2FirstSpell(String chines) { if (StringUtils.isEmpty(chines)) { return Collections.<String>emptySet(); } 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())); } // ????????? public static List<String> getPermutationSentence(List<String> termArrays, int start) { if (Argument.isEmpty(termArrays)) { return Collections.<String>emptyList(); } int size = termArrays.size(); if (start < 0 || start >= size) { return Collections.<String>emptyList(); } if (start == size - 1) { return termArrays.subList(0, start); } List<String> strings = termArrays.subList(0, start); List<String> permutationSentences = getPermutationSentence(termArrays, start + 1); if (Argument.isEmpty(strings)) { return permutationSentences; } if (Argument.isEmpty(permutationSentences)) { return strings; } List<String> result = new ArrayList<String>(); for (String pre : strings) { for (String suffix : permutationSentences) { result.add(pre + suffix); } } return result; } /** * ????? * * @param args */ private static List<Map<String, Integer>> discountTheChinese(String pinyin) { // ??? List<Map<String, Integer>> mapList = new ArrayList<Map<String, Integer>>(); // ???? Map<String, Integer> onlyOne = null; String[] firsts = pinyin.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; } /** * ???(??) * * @param args */ private static Set<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; } } Set<String> result = new HashSet<String>(); if (first != null) { // ???? for (String str : first.keySet()) { result.add(str); } } return result; } public static void main(String[] args) { String str = "?"; System.out.println(converter2FirstSpell(str)); System.out.println(converter2AllSpell(str)); } }