CharacterProperty


1   package net.sourceforge.pmd.properties;
2   
3   import net.sourceforge.pmd.util.StringUtil;
4   
5   /**
6    * Defines a property type that supports Character values.
7    * 
8    * @author Brian Remedios
9    * @version $Revision$
10   */
11  public class CharacterProperty extends AbstractPMDProperty {
12  
13      /**
14       * Constructor for CharacterProperty.
15       * @param theName String
16       * @param theDescription String
17       * @param theDefault char
18       * @param theUIOrder float
19       */
20      public CharacterProperty(String   theName, String   theDescription, char theDefault, float theUIOrder) {
21          super(theName, theDescription, new Character  (theDefault), theUIOrder);
22      }
23  
24      /**
25       * Constructor for CharacterProperty.
26       * @param theName String
27       * @param theDescription String
28       * @param theDefaults char[]
29       * @param theUIOrder float
30       * @param delimiter char
31       */
32      public CharacterProperty(String   theName, String   theDescription, char[] theDefaults, float theUIOrder, char delimiter) {
33          this(theName, theDescription, asCharacters(theDefaults), theUIOrder, delimiter);
34      }
35      
36      /**
37       * Constructor for CharacterProperty.
38       * @param theName String
39       * @param theDescription String
40       * @param theDefaults String
41       * @param theUIOrder float
42       * @param delimiter char
43       */
44      public CharacterProperty(String   theName, String   theDescription, String   theDefaults, float theUIOrder, char delimiter) {
45          this(theName, theDescription, theDefaults.toCharArray(), theUIOrder, delimiter);
46      }   
47      
48      /**
49       * Constructor for CharacterProperty.
50       * @param theName String
51       * @param theDescription String
52       * @param theDefaults char[]
53       * @param theUIOrder float
54       * @param delimiter char
55       */
56      public CharacterProperty(String   theName, String   theDescription, Character  [] theDefaults, float theUIOrder, char delimiter) {
57          super(theName, theDescription, theDefaults, theUIOrder);
58          
59          multiValueDelimiter(delimiter);
60          maxValueCount(Integer.MAX_VALUE);
61      }
62      
63      /**
64       * Method asCharacters.
65       * @param chars char[]
66       * @return Character[]
67       */
68      private static final Character  [] asCharacters(char[] chars) {
69          Character  [] characters = new Character  [chars.length];
70          for (int i=0; i<chars.length; i++) characters[i] = new Character  (chars[i]);
71          return characters;
72      }
73      
74      /**
75       * Method type.
76       * @return Class
77       * @see net.sourceforge.pmd.PropertyDescriptor#type()
78       */
79      public Class   type() {
80          return Character  .class;
81      }
82      
83      /**
84       * Method valueFrom.
85       * @param valueString String
86       * @return Object
87       * @throws IllegalArgumentException
88       * @see net.sourceforge.pmd.PropertyDescriptor#valueFrom(String)
89       */
90      public Object   valueFrom(String   valueString) throws IllegalArgumentException   {
91          
92          if (maxValueCount() == 1) {
93              if (valueString.length() > 1) throw new IllegalArgumentException  (valueString);
94              return new Character  (valueString.charAt(0));
95          }
96          
97          String  [] values = StringUtil.substringsOf(valueString, multiValueDelimiter);
98          
99          Character  [] chars = new Character  [values.length];
100         for (int i=0; i<values.length; i++) chars[i] = new Character  (values[i].charAt(0));
101         return chars;
102     }
103 }
104
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