IntegerArrayConverter


1   // Copyright (c) 2003-2007, Jodd Team (jodd.sf.net). All Rights Reserved.
2   
3   package jodd.typeconverter;
4   
5   /**
6    *  Converts given object to int[].
7    */
8   public class IntegerArrayConverter implements TypeConverter {
9   
10      public static int[] valueOf(Object   value) {
11  
12          if (value == null) {
13              return null;
14          }
15  
16          Class   type = value.getClass();
17          if (type.isArray() == false) {
18              if (value instanceof Number  ) {
19                  return new int[] {((Number  ) value).intValue()};
20              }
21              try {
22                  return new int[] {Integer.parseInt(value.toString())};
23              } catch (NumberFormatException   nfex) {
24                  throw new TypeConversionException(nfex);
25              }
26          }
27  
28          if (type == int[].class) {
29              return (int[]) value;
30          }
31          if (type == long[].class) {
32              long[] values = (long[]) value;
33              int results[] = new int[values.length];
34              for (int i = 0; i < values.length; i++) {
35                  results[i] = (int) values[i];
36              }
37              return results;
38          }
39          if (type == double[].class) {
40              double[] values = (double[]) value;
41              int results[] = new int[values.length];
42              for (int i = 0; i < values.length; i++) {
43                  results[i] = (int) values[i];
44              }
45              return results;
46          }
47          if (type == byte[].class) {
48              byte[] values = (byte[]) value;
49              int results[] = new int[values.length];
50              for (int i = 0; i < values.length; i++) {
51                  results[i] = values[i];
52              }
53              return results;
54          }
55          if (type == float[].class) {
56              float[] values = (float[]) value;
57              int results[] = new int[values.length];
58              for (int i = 0; i < values.length; i++) {
59                  results[i] = (int) values[i];
60              }
61              return results;
62          }
63          if (type == boolean[].class) {
64              boolean[] values = (boolean[]) value;
65              int results[] = new int[values.length];
66              for (int i = 0; i < values.length; i++) {
67                  results[i] = (values[i] == true ? 1 : 0);
68              }
69              return results;
70          }
71          if (type == short[].class) {
72              short[] values = (short[]) value;
73              int results[] = new int[values.length];
74              for (int i = 0; i < values.length; i++) {
75                  results[i] = values[i];
76              }
77              return results;
78          }
79  
80  
81          Object  [] values = (Object  []) value;
82          int[] results = new int[values.length];
83          try {
84              for (int i = 0; i < values.length; i++) {
85                  if (values[i] != null) {
86                      if (values[i] instanceof Number  ) {
87                          results[i] = ((Number  ) values[i]).intValue();
88                      } else {
89                          results[i] = Integer.parseInt(values[i].toString());
90                      }
91                  }
92              }
93          } catch (NumberFormatException   nfex) {
94              throw new TypeConversionException(nfex);
95          }
96          return results;
97      }
98  
99      public Object   convert(Object   value) {
100         return valueOf(value);
101     }
102 }
103
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