| Class | Line # | Actions | |||
|---|---|---|---|---|---|
| CaseInsensitiveString | 30 | 11 | 8 |
| 1 | /* | |
| 2 | * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$) | |
| 3 | * Copyright (C) $$Year-Rel$$ The Jalview Authors | |
| 4 | * | |
| 5 | * This file is part of Jalview. | |
| 6 | * | |
| 7 | * Jalview is free software: you can redistribute it and/or | |
| 8 | * modify it under the terms of the GNU General Public License | |
| 9 | * as published by the Free Software Foundation, either version 3 | |
| 10 | * of the License, or (at your option) any later version. | |
| 11 | * | |
| 12 | * Jalview is distributed in the hope that it will be useful, but | |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty | |
| 14 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR | |
| 15 | * PURPOSE. See the GNU General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU General Public License | |
| 18 | * along with Jalview. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | * The Jalview Authors are detailed in the 'AUTHORS' file. | |
| 20 | */ | |
| 21 | package jalview.util; | |
| 22 | ||
| 23 | /** | |
| 24 | * A class to wrap a case insensitive string. For use in collections where we | |
| 25 | * want to preserve case, but do not want to duplicate upper and lower case | |
| 26 | * variants | |
| 27 | */ | |
| 28 | import java.util.Locale; | |
| 29 | ||
| 30 | public final class CaseInsensitiveString | |
| 31 | { | |
| 32 | String value; | |
| 33 | ||
| 34 | 0 | public CaseInsensitiveString(String s) |
| 35 | { | |
| 36 | 0 | this.value = s; |
| 37 | } | |
| 38 | ||
| 39 | 0 | @Override |
| 40 | public String toString() | |
| 41 | { | |
| 42 | 0 | return value; |
| 43 | } | |
| 44 | ||
| 45 | /** | |
| 46 | * Answers true if the object compared to is a CaseInsensitiveString wrapping | |
| 47 | * the same string value (ignoring case), or if both wrap a null value, else | |
| 48 | * false | |
| 49 | */ | |
| 50 | 0 | @Override |
| 51 | public boolean equals(Object o) | |
| 52 | { | |
| 53 | 0 | if (o == null) |
| 54 | { | |
| 55 | 0 | return false; |
| 56 | } | |
| 57 | 0 | if (!(o instanceof CaseInsensitiveString)) |
| 58 | { | |
| 59 | 0 | return false; |
| 60 | } | |
| 61 | 0 | CaseInsensitiveString obj = (CaseInsensitiveString) o; |
| 62 | 0 | if (value == null) |
| 63 | { | |
| 64 | 0 | return obj.value == null; |
| 65 | } | |
| 66 | 0 | return value.equalsIgnoreCase(obj.value); |
| 67 | } | |
| 68 | ||
| 69 | /** | |
| 70 | * hashCode overriden to guarantee that 'equal' objects have the same hash | |
| 71 | * code | |
| 72 | */ | |
| 73 | 0 | @Override |
| 74 | public int hashCode() | |
| 75 | { | |
| 76 | 0 | return value == null ? super.hashCode() |
| 77 | : value.toUpperCase(Locale.ROOT).hashCode(); | |
| 78 | } | |
| 79 | } |