Java String Abbreviate abbreviateObj(Object value, int maxWidth)

Description

abbreviate Obj

License

Apache License

Declaration

public static Object abbreviateObj(Object value, int maxWidth) 

Method Source Code

//package com.java2s;
/*/*from www.j a va 2s.  c om*/
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 {
    public static Object abbreviateObj(Object value, int maxWidth) {
        return (value != null) ? abbreviate(value.toString(), maxWidth) : null;
    }

    public static String abbreviate(final String str, int offset, final int maxWidth) {
        if (str == null) {
            return null;
        }
        if (maxWidth < 4) {
            throw new IllegalArgumentException("Minimum abbreviation width is 4");
        }
        if (str.length() <= maxWidth) {
            return str;
        }
        if (offset > str.length()) {
            offset = str.length();
        }
        if (str.length() - offset < maxWidth - 3) {
            offset = str.length() - (maxWidth - 3);
        }
        final String abrevMarker = "...";
        if (offset <= 4) {
            return str.substring(0, maxWidth - 3) + abrevMarker;
        }
        if (maxWidth < 7) {
            throw new IllegalArgumentException("Minimum abbreviation width with offset is 7");
        }
        if (offset + maxWidth - 3 < str.length()) {
            return abrevMarker + abbreviate(str.substring(offset), maxWidth - 3);
        }
        return abrevMarker + str.substring(str.length() - (maxWidth - 3));

    }

    public static String abbreviate(final String str, final int maxWidth) {
        return abbreviate(str, 0, maxWidth);
    }
}

Related

1. abbreviateInCenter(String stringToAbbreviate, int length)
2. abbreviateLeft(String s, int width)
3. abbreviateMessage(String messageBody)
4. abbreviateMiddle(String str, String middle, int length)
5. abbreviateMiddle(String string, int maxLength)
6. abbreviateScript(String script)
7. abbreviateText(final String text, final int numberOfCharacters, final String appendText)
8. abbreviateText(String text, int maxLength)
9. abbreviation(String description)