Normalise Whitespace : String « Date Type « Android

1. Android
2. Date Type
3. String

Normalise Whitespace

    

/*
 * Copyright (C) 2009 Teleca Poland Sp. z o.o. <android@teleca.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
class Main{

    public static String normaliseWhitespace(String string) {
        StringBuilder sb = new StringBuilder(string.length());

        boolean lastWasWhite = false;
        boolean modified = false;

        int l = string.length();
        for (int i = 0; i < l; i++) {
            int c = string.codePointAt(i);
            if (Character.isWhitespace(c)) {
                if (lastWasWhite) {
                    modified = true;
                    continue;
                }
                if (c != ' ')
                    modified = true;
                sb.append(' ');
                lastWasWhite = true;
            }
            else {
                sb.appendCodePoint(c);
                lastWasWhite = false;
            }
        }
        return modified ? sb.toString() : string;
    }

}

   
    
    
    
  

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