Java String Truncate truncate(String str, int length)

Description

truncate

License

Apache License

Declaration

static public String truncate(String str, int length) 

Method Source Code

//package com.java2s;
/*//w ww .j av  a 2  s. c o  m
 * Copyright 2009 Rodrigo Reyes reyes.rr at gmail dot 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.
 * 
 */

public class Main {
    static public String truncate(String str, int length) {
        if (length > str.length())
            return str;

        char c;
        int index = length;
        while ((Character.isWhitespace(c = str.charAt(index)) == false) && (index > 0)) {
            index--;
        }
        if (index == 0)
            return str.substring(0, length) + "...";

        return str.substring(0, index) + "...";
    }
}

Related

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3. truncate(String str, int chars)
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8. truncate(String str, int max)
9. truncate(String str, int max)