Android Open Source - Go2-Rennes Ascii Utils

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License

The source code is released under:

GNU General Public License

Java Source Code

/*******************************************************************************
 * Copyright (c) 2011 Michel DAVID mimah35-at-gmail.com
 * //from w  w  w  .jav a2 s  .c om
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package fr.gotorennes.util;

public class AsciiUtils {

    private static final String PLAIN_ASCII =
        "AaEeIiOoUu"    // grave
      + "AaEeIiOoUuYy"  // acute
      + "AaEeIiOoUuYy"  // circumflex
      + "AaOoNn"        // tilde
      + "AaEeIiOoUuYy"  // umlaut
      + "Aa"            // ring
      + "Cc"            // cedilla
      + "OoUu"          // double acute
      ;

      private static final String UNICODE =
       "\u00C0\u00E0\u00C8\u00E8\u00CC\u00EC\u00D2\u00F2\u00D9\u00F9"             
      + "\u00C1\u00E1\u00C9\u00E9\u00CD\u00ED\u00D3\u00F3\u00DA\u00FA\u00DD\u00FD" 
      + "\u00C2\u00E2\u00CA\u00EA\u00CE\u00EE\u00D4\u00F4\u00DB\u00FB\u0176\u0177" 
      + "\u00C3\u00E3\u00D5\u00F5\u00D1\u00F1"
      + "\u00C4\u00E4\u00CB\u00EB\u00CF\u00EF\u00D6\u00F6\u00DC\u00FC\u0178\u00FF" 
      + "\u00C5\u00E5"                                                             
      + "\u00C7\u00E7" 
      + "\u0150\u0151\u0170\u0171" 
      ;

      private AsciiUtils() { 
        
      }

      public static String convertNonAscii(String s) {
         if (s == null) return null;
         StringBuilder sb = new StringBuilder();
         int n = s.length();
         for (int i = 0; i < n; i++) {
            char c = s.charAt(i);
            int pos = UNICODE.indexOf(c);
            if (pos > -1){
                sb.append(PLAIN_ASCII.charAt(pos));
            }
            else {
                sb.append(c);
            }
         }
         return sb.toString();
      }  
}

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