Coverage Report - joptsimple.util.KeyValuePair
 
Classes in this File Line Coverage Branch Coverage Complexity
KeyValuePair
100%
16/16
100%
10/10
2.2
 
 1  
 /*
 2  
  The MIT License
 3  
 
 4  
  Copyright (c) 2004-2015 Paul R. Holser, Jr.
 5  
 
 6  
  Permission is hereby granted, free of charge, to any person obtaining
 7  
  a copy of this software and associated documentation files (the
 8  
  "Software"), to deal in the Software without restriction, including
 9  
  without limitation the rights to use, copy, modify, merge, publish,
 10  
  distribute, sublicense, and/or sell copies of the Software, and to
 11  
  permit persons to whom the Software is furnished to do so, subject to
 12  
  the following conditions:
 13  
 
 14  
  The above copyright notice and this permission notice shall be
 15  
  included in all copies or substantial portions of the Software.
 16  
 
 17  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 18  
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 19  
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 20  
  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 21  
  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 22  
  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 23  
  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 24  
 */
 25  
 
 26  
 package joptsimple.util;
 27  
 
 28  
 import static joptsimple.internal.Strings.*;
 29  
 
 30  
 /**
 31  
  * <p>A simple string key/string value pair.</p>
 32  
  *
 33  
  * <p>This is useful as an argument type for options whose values take on the form <kbd>key=value</kbd>, such as JVM
 34  
  * command line system properties.</p>
 35  
  *
 36  
  * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a>
 37  
  */
 38  
 public final class KeyValuePair {
 39  
     public final String key;
 40  
     public final String value;
 41  
 
 42  465
     private KeyValuePair( String key, String value ) {
 43  465
         this.key = key;
 44  465
         this.value = value;
 45  465
     }
 46  
 
 47  
     /**
 48  
      * Parses a string assumed to be of the form <kbd>key=value</kbd> into its parts.
 49  
      *
 50  
      * @param asString key-value string
 51  
      * @return a key-value pair
 52  
      * @throws NullPointerException if {@code stringRepresentation} is {@code null}
 53  
      */
 54  
     public static KeyValuePair valueOf( String asString ) {
 55  466
         int equalsIndex = asString.indexOf( '=' );
 56  465
         if ( equalsIndex == -1 )
 57  365
             return new KeyValuePair( asString, EMPTY );
 58  
 
 59  100
         String aKey = asString.substring( 0, equalsIndex );
 60  100
         String aValue = equalsIndex == asString.length() - 1 ? EMPTY : asString.substring( equalsIndex + 1 );
 61  
 
 62  100
         return new KeyValuePair( aKey, aValue );
 63  
     }
 64  
 
 65  
     @Override
 66  
     public boolean equals( Object that ) {
 67  1010
         if ( !( that instanceof KeyValuePair ) )
 68  336
             return false;
 69  
 
 70  674
         KeyValuePair other = (KeyValuePair) that;
 71  674
         return key.equals( other.key ) && value.equals( other.value );
 72  
     }
 73  
 
 74  
     @Override
 75  
     public int hashCode() {
 76  180
         return key.hashCode() ^ value.hashCode();
 77  
     }
 78  
 
 79  
     @Override
 80  
     public String toString() {
 81  1
         return key + '=' + value;
 82  
     }
 83  
 }