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1
22 package org.jboss.aspects;
23
24
30 public class NullOrZero
31 {
32 private static final Long  LONG_ZERO = new Long (0);
33 private static final Short SHORT_ZERO = new Short ((short) 0);
34 private static final Integer INT_ZERO = new Integer (0);
35 private static final Float FLOAT_ZERO = new Float (0.0);
36 private static final Double DOUBLE_ZERO = new Double (0.0);
37 private static final Character CHAR_ZERO = new Character ('\0');
38 private static final Byte BYTE_ZERO = new Byte ((byte) 0);
39 private static final Boolean BOOLEAN_ZERO = Boolean.FALSE;
40
41
42 public static Object nullOrZero(Class type)
43 {
44 if (!type.isPrimitive()) return null;
45 if (type.equals(void.class)) return null;
46 if (type.equals(long.class)) return LONG_ZERO;
47 if (type.equals(short.class)) return SHORT_ZERO;
48 if (type.equals(int.class)) return INT_ZERO;
49 if (type.equals(float.class)) return FLOAT_ZERO;
50 if (type.equals(double.class)) return DOUBLE_ZERO;
51 if (type.equals(char.class)) return CHAR_ZERO;
52 if (type.equals(byte.class)) return BYTE_ZERO;
53
54 return null;
55 }
56 }
57 |
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