1 /***
2 * Copyright (c) 2002, CodeStreet LLC. All rights reserved.<p>
3 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
4 * conditions are met:<p>
5 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
6 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer
7 * in the documentation and/or other materials provided with the distribution. Neither the name of CodeStreet LLC. nor the
8 * names of its contributors may be used to endorse or promote products derived from this software without specific prior written
9 * permission.<p>
10 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
11 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
12 * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
13 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
14 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
15 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.<p>
16 */
17
18 package com.codestreet.messageforge;
19
20 /***
21 * Class to represent a constraint on a <tt>float</tt> numeric message field.
22 * @author Jawaid Hakim.
23 */
24 public abstract class RFldConstraintF32 implements RFldConstraintNumeric
25 {
26 /***
27 * Ctor.
28 */
29 protected RFldConstraintF32()
30 {
31 }
32
33 /***
34 * Check if a message field satisfies the constraint.
35 * @param fld Field to validate.
36 */
37 public void validate(RFld fld) throws FieldValidationException
38 {
39 if (fld instanceof RFldF32)
40 {
41 RFldF32 numericFld = (RFldF32)fld;
42 if (! isValid(numericFld.getValue()))
43 throw new FieldValidationException(errDesc(fld.getName()));
44 }
45 else
46 throw new FieldValidationException("Invalid field type: " + fld.getName());
47 }
48
49 /***
50 * Check if a value satisfies the constraint.
51 * @param fld Field.
52 * @param val Value to validate.
53 */
54 public void validate(RFld fld, float val) throws FieldValidationException
55 {
56 if (! isValid(val))
57 throw new FieldValidationException(fld.getName());
58 }
59
60
61 /***
62 * Check if a message field satisfies the constraint.
63 * @param fld Field to validate.
64 * @return <tt>true</tt> if the field satisfies the
65 * constraint. Otherwise, <tt>false</tt> is returned.
66 * @see RFld
67 */
68 public boolean isValid(RFld fld)
69 {
70 if (fld instanceof RFldF32)
71 return isValid(((RFldF32)fld).getValue());
72 else
73 return false;
74 }
75
76 /***
77 * Check if a message field satisfies the constraint.
78 * @param val Field value to validate.
79 * @return <tt>true</tt> if the field satisfies the
80 * constraint. Otherwise, <tt>false</tt> is returned.
81 * @see RFld
82 */
83 public abstract boolean isValid(float val);
84 }
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