01: //--------------------------------------------------------------------------
02: // Copyright (c) 1998-2004, Drew Davidson and Luke Blanshard
03: // All rights reserved.
04: //
05: // Redistribution and use in source and binary forms, with or without
06: // modification, are permitted provided that the following conditions are
07: // met:
08: //
09: // Redistributions of source code must retain the above copyright notice,
10: // this list of conditions and the following disclaimer.
11: // Redistributions in binary form must reproduce the above copyright
12: // notice, this list of conditions and the following disclaimer in the
13: // documentation and/or other materials provided with the distribution.
14: // Neither the name of the Drew Davidson nor the names of its contributors
15: // may be used to endorse or promote products derived from this software
16: // without specific prior written permission.
17: //
18: // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19: // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20: // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21: // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22: // COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23: // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24: // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
25: // OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26: // AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27: // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
28: // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
29: // DAMAGE.
30: //--------------------------------------------------------------------------
31: package ognl;
32:
33: /**
34: * This interface defines some useful constants for describing the various possible
35: * numeric types of OGNL.
36: * @author Luke Blanshard (blanshlu@netscape.net)
37: * @author Drew Davidson (drew@ognl.org)
38: */
39: public interface NumericTypes {
40: // Order does matter here... see the getNumericType methods in ognl.g.
41:
42: /** Type tag meaning boolean. */
43: int BOOL = 0;
44: /** Type tag meaning byte. */
45: int BYTE = 1;
46: /** Type tag meaning char. */
47: int CHAR = 2;
48: /** Type tag meaning short. */
49: int SHORT = 3;
50: /** Type tag meaning int. */
51: int INT = 4;
52: /** Type tag meaning long. */
53: int LONG = 5;
54: /** Type tag meaning java.math.BigInteger. */
55: int BIGINT = 6;
56: /** Type tag meaning float. */
57: int FLOAT = 7;
58: /** Type tag meaning double. */
59: int DOUBLE = 8;
60: /** Type tag meaning java.math.BigDecimal. */
61: int BIGDEC = 9;
62: /** Type tag meaning something other than a number. */
63: int NONNUMERIC = 10;
64:
65: /**
66: * The smallest type tag that represents reals as opposed to integers. You can see
67: * whether a type tag represents reals or integers by comparing the tag to this
68: * constant: all tags less than this constant represent integers, and all tags
69: * greater than or equal to this constant represent reals. Of course, you must also
70: * check for NONNUMERIC, which means it is not a number at all.
71: */
72: int MIN_REAL_TYPE = FLOAT;
73: }
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