001/*
002 * Copyright © 2012, 2013, 2014 Royal Botanic Gardens, Kew.
003 *
004 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
005 *
006 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
007 *
008 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
009 */
010package org.kew.rmf.transformers;
011
012/**
013 * Crops/shrinks a string to a length of `shrinkTo` characters.
014 */
015public class StringShrinker implements Transformer {
016
017    private Integer shrinkTo = null;
018
019    public StringShrinker(int shrinkTo) {
020        this.shrinkTo = shrinkTo;
021    }
022
023    @Override
024    public String transform(String s) {
025        if (s.length() > this.shrinkTo) s = s.substring(0, this.shrinkTo);
026        return s;
027    }
028
029    public Integer getShrinkTo() {
030        return shrinkTo;
031    }
032
033    public void setShrinkTo(Integer shrinkTo) {
034        this.shrinkTo = shrinkTo;
035    }
036}