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00026 package edu.uoc.ocr;
00027
00028 import android.content.SharedPreferences;
00029
00035 public class OcrCharacterHelper {
00036
00037 public static final String KEY_CHARACTER_BLACKLIST_MANUAL = "preference_character_blacklist_manual";
00038 public static final String KEY_CHARACTER_BLACKLIST_CATALAN = "preference_character_blacklist_catalan";
00039 public static final String KEY_CHARACTER_BLACKLIST_ENGLISH = "preference_character_blacklist_english";
00040 public static final String KEY_CHARACTER_BLACKLIST_SPANISH = "preference_character_blacklist_spanish";
00041
00042 public static final String KEY_CHARACTER_WHITELIST_MANUAL = "preference_character_whitelist_manual";
00043 public static final String KEY_CHARACTER_WHITELIST_CATALAN = "preference_character_whitelist_catalan";
00044 public static final String KEY_CHARACTER_WHITELIST_ENGLISH = "preference_character_whitelist_english";
00045 public static final String KEY_CHARACTER_WHITELIST_SPANISH = "preference_character_whitelist_spanish";
00046
00047 private OcrCharacterHelper() {
00048 }
00049
00050 public static String getDefaultBlacklist(String languageCode) {
00051
00052 if (languageCode.equals("man")) {
00053 return "";
00054 }
00055 else if (languageCode.equals("cat")) {
00056 return "";
00057 }
00058 else if (languageCode.equals("eng")) {
00059 return "";
00060 }
00061 else if (languageCode.equals("spa")) {
00062 return "";
00063 }
00064 else {
00065 throw new IllegalArgumentException();
00066 }
00067 }
00068
00069 public static String getDefaultWhitelist(String languageCode) {
00070 if (languageCode.equals("man")) {
00071 return "*:/.,ABCDEFGHIJKLMNÑOPQRSTUVWXYZacehnoprstu0123456789";
00072 }
00073 else if (languageCode.equals("cat")) {
00074 return "";
00075 }
00076 else if (languageCode.equals("eng")) {
00077 return "";
00078 }
00079 else if (languageCode.equals("spa")) {
00080 return "";
00081 }
00082 else {
00083 throw new IllegalArgumentException();
00084 }
00085 }
00086
00087 public static String getBlacklist(SharedPreferences prefs,
00088 String languageCode) {
00089 if (languageCode.equals("man")) {
00090 return prefs.getString(KEY_CHARACTER_BLACKLIST_MANUAL,
00091 getDefaultBlacklist(languageCode));
00092 }
00093
00094 else if (languageCode.equals("cat")) {
00095 return prefs.getString(KEY_CHARACTER_BLACKLIST_CATALAN,
00096 getDefaultBlacklist(languageCode));
00097 } else if (languageCode.equals("eng")) {
00098 return prefs.getString(KEY_CHARACTER_BLACKLIST_ENGLISH,
00099 getDefaultBlacklist(languageCode));
00100 } else if (languageCode.equals("spa")) {
00101 return prefs.getString(KEY_CHARACTER_BLACKLIST_SPANISH,
00102 getDefaultBlacklist(languageCode));
00103 } else {
00104 throw new IllegalArgumentException();
00105 }
00106 }
00107
00108 public static String getWhitelist(SharedPreferences prefs,
00109 String languageCode) {
00110 if (languageCode.equals("man")) {
00111 return prefs.getString(KEY_CHARACTER_WHITELIST_MANUAL,
00112 getDefaultWhitelist(languageCode));
00113 }
00114
00115 else if (languageCode.equals("cat")) {
00116 return prefs.getString(KEY_CHARACTER_WHITELIST_CATALAN,
00117 getDefaultWhitelist(languageCode));
00118 } else if (languageCode.equals("eng")) {
00119 return prefs.getString(KEY_CHARACTER_WHITELIST_ENGLISH,
00120 getDefaultWhitelist(languageCode));
00121 } else if (languageCode.equals("spa")) {
00122 return prefs.getString(KEY_CHARACTER_WHITELIST_SPANISH,
00123 getDefaultWhitelist(languageCode));
00124 } else {
00125 throw new IllegalArgumentException();
00126 }
00127 }
00128
00129 public static void setBlacklist(SharedPreferences prefs,
00130 String languageCode, String blacklist) {
00131 if (languageCode.equals("man")) {
00132 prefs.edit().putString(KEY_CHARACTER_BLACKLIST_MANUAL, blacklist)
00133 .commit();
00134 } else if (languageCode.equals("cat")) {
00135 prefs.edit().putString(KEY_CHARACTER_BLACKLIST_CATALAN, blacklist)
00136 .commit();
00137 } else if (languageCode.equals("eng")) {
00138 prefs.edit().putString(KEY_CHARACTER_BLACKLIST_ENGLISH, blacklist)
00139 .commit();
00140 } else if (languageCode.equals("spa")) {
00141 prefs.edit().putString(KEY_CHARACTER_BLACKLIST_SPANISH, blacklist)
00142 .commit();
00143 } else {
00144 throw new IllegalArgumentException();
00145 }
00146 }
00147
00148 public static void setWhitelist(SharedPreferences prefs,
00149 String languageCode, String whitelist) {
00150 if (languageCode.equals("man")) {
00151 prefs.edit().putString(KEY_CHARACTER_WHITELIST_MANUAL, whitelist)
00152 .commit();
00153 } else if (languageCode.equals("cat")) {
00154 prefs.edit().putString(KEY_CHARACTER_WHITELIST_CATALAN, whitelist)
00155 .commit();
00156 } else if (languageCode.equals("eng")) {
00157 prefs.edit().putString(KEY_CHARACTER_WHITELIST_ENGLISH, whitelist)
00158 .commit();
00159 } else if (languageCode.equals("spa")) {
00160 prefs.edit().putString(KEY_CHARACTER_WHITELIST_SPANISH, whitelist)
00161 .commit();
00162 } else {
00163 throw new IllegalArgumentException();
00164 }
00165 }
00166 }