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 final Collator sortCollator;
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16 final Comparator<String> sortComparator;
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18 final 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.sortCollator = Collator.getInstance(locale);
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26 this.sortCollator.setDecomposition(Collator.CANONICAL_DECOMPOSITION);
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27 this.sortCollator.setStrength(Collator.IDENTICAL);
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28 this.sortComparator = new Comparator<String>() {
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29 public int compare(final String s1, final String s2) {
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30 return sortCollator.compare(textNorm(s1), textNorm(s2));
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34 this.findCollator = Collator.getInstance(locale);
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35 this.findCollator.setDecomposition(Collator.CANONICAL_DECOMPOSITION);
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36 this.findCollator.setStrength(Collator.SECONDARY);
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37 this.findComparator = new Comparator<String>() {
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38 public int compare(final String s1, final String s2) {
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39 return findCollator.compare(textNorm(s1), textNorm(s2));
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45 public String textNorm(final String s) {
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50 public String toString() {
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54 // ----------------------------------------------------------------
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56 public static final Language EN = new Language("EN", Locale.ENGLISH);
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58 public static final Language DE = new Language("DE", Locale.GERMAN) {
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60 public String textNorm(String token) {
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61 boolean sub = false;
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62 for (int ePos = token.indexOf('e', 1); ePos != -1; ePos = token.indexOf(
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64 final char pre = Character.toLowerCase(token.charAt(ePos - 1));
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65 if (pre == 'a' || pre == 'o' || pre == 'u') {
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73 token = token.replaceAll("ae", "ä");
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74 token = token.replaceAll("oe", "ö");
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75 token = token.replaceAll("ue", "ü");
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77 token = token.replaceAll("Ae", "Ä");
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78 token = token.replaceAll("Oe", "Ö");
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79 token = token.replaceAll("Ue", "Ü");
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84 // ----------------------------------------------------------------
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86 private static final Map<String, Language> symbolToLangauge = new LinkedHashMap<String, Language>();
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89 symbolToLangauge.put(EN.symbol, EN);
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90 symbolToLangauge.put(DE.symbol, DE);
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93 static Language lookup(final String symbol) {
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94 return symbolToLangauge.get(symbol);
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