1 package com.hughes.android.dictionary;
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3 import java.util.Comparator;
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4 import java.util.LinkedHashMap;
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5 import java.util.Locale;
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6 import java.util.Map;
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8 import com.ibm.icu.text.Collator;
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10 public class Language {
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12 final String symbol;
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13 final Locale locale;
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15 Collator sortCollator;
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16 final Comparator<String> sortComparator;
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18 private Collator findCollator;
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19 final Comparator<String> findComparator;
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21 public Language(final String symbol, final Locale locale) {
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22 this.symbol = symbol;
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23 this.locale = locale;
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25 this.sortComparator = new Comparator<String>() {
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26 public int compare(final String s1, final String s2) {
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27 return getSortCollator().compare(textNorm(s1), textNorm(s2));
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31 this.findComparator = new Comparator<String>() {
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32 public int compare(final String s1, final String s2) {
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33 return getFindCollator().compare(textNorm(s1), textNorm(s2));
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39 public String textNorm(final String s) {
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44 public String toString() {
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48 synchronized Collator getFindCollator() {
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49 if (findCollator == null) {
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50 findCollator = Collator.getInstance(locale);
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51 findCollator.setDecomposition(Collator.CANONICAL_DECOMPOSITION);
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52 findCollator.setStrength(Collator.SECONDARY);
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54 return findCollator;
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57 synchronized Collator getSortCollator() {
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58 if (sortCollator == null) {
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59 sortCollator = Collator.getInstance(locale);
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60 sortCollator.setDecomposition(Collator.CANONICAL_DECOMPOSITION);
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61 sortCollator.setStrength(Collator.IDENTICAL);
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63 return sortCollator;
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66 // ----------------------------------------------------------------
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68 public static final Language EN = new Language("EN", Locale.ENGLISH);
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70 public static final Language DE = new Language("DE", Locale.GERMAN) {
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72 public String textNorm(String token) {
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73 boolean sub = false;
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74 for (int ePos = token.indexOf('e', 1); ePos != -1; ePos = token.indexOf(
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76 final char pre = Character.toLowerCase(token.charAt(ePos - 1));
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77 if (pre == 'a' || pre == 'o' || pre == 'u') {
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85 token = token.replaceAll("ae", "ä");
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86 token = token.replaceAll("oe", "ö");
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87 token = token.replaceAll("ue", "ü");
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89 token = token.replaceAll("Ae", "Ä");
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90 token = token.replaceAll("Oe", "Ö");
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91 token = token.replaceAll("Ue", "Ü");
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96 // ----------------------------------------------------------------
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98 private static final Map<String, Language> symbolToLangauge = new LinkedHashMap<String, Language>();
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101 symbolToLangauge.put(EN.symbol, EN);
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102 symbolToLangauge.put(DE.symbol, DE);
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105 static Language lookup(final String symbol) {
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106 return symbolToLangauge.get(symbol);
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