ShortArrayConverter


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 short[].
7    */
8   public class ShortArrayConverter implements TypeConverter {
9   
10      public static short[] 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 short[] {((Number  ) value).shortValue()};
20              }
21              try {
22                  return new short[] {Short.parseShort(value.toString())};
23              } catch (NumberFormatException   nfex) {
24                  throw new TypeConversionException(nfex);
25              }
26          }
27  
28          if (type == short[].class) {
29              return (short[]) value;
30          }
31          if (type == int[].class) {
32              int[] values = (int[]) value;
33              short[] results = new short[values.length];
34              for (int i = 0; i < values.length; i++) {
35                  results[i] = (short) values[i];
36              }
37              return results;
38          }
39          if (type == long[].class) {
40              long[] values = (long[]) value;
41              short[] results = new short[values.length];
42              for (int i = 0; i < values.length; i++) {
43                  results[i] = (short) values[i];
44              }
45              return results;
46          }
47          if (type == double[].class) {
48              double[] values = (double[]) value;
49              short[] results = new short[values.length];
50              for (int i = 0; i < values.length; i++) {
51                  results[i] = (short) values[i];
52              }
53              return results;
54          }
55          if (type == byte[].class) {
56              byte[] values = (byte[]) value;
57              short[] results = new short[values.length];
58              for (int i = 0; i < values.length; i++) {
59                  results[i] = values[i];
60              }
61              return results;
62          }
63          if (type == float[].class) {
64              float[] values = (float[]) value;
65              short[] results = new short[values.length];
66              for (int i = 0; i < values.length; i++) {
67                  results[i] = (short) values[i];
68              }
69              return results;
70          }
71          if (type == boolean[].class) {
72              boolean[] values = (boolean[]) value;
73              short[] results = new short[values.length];
74              for (int i = 0; i < values.length; i++) {
75                  results[i] = (short) (values[i] == true ? 1 : 0);
76              }
77              return results;
78          }
79  
80          Object   values[] = (Object  []) value;
81          short[] results = new short[values.length];
82          try {
83              for (int i = 0; i < values.length; i++) {
84                  if (values[i] instanceof Number  ) {
85                      results[i] = ((Number  ) values[i]).shortValue();
86                  } else {
87                      results[i] = Short.parseShort(values[i].toString());
88                  }
89              }
90          } catch (NumberFormatException   nfex) {
91              throw new TypeConversionException(nfex);
92          }
93          return results;
94      }
95  
96      public Object   convert(Object   value) {
97          return valueOf(value);
98      }
99  }
100
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