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 numeric <tt>short</tt> message
22 * field.
23 * @author Jawaid Hakim.
24 */
25 public abstract class RFldConstraintI16 implements RFldConstraintNumeric
26 {
27 /***
28 * Ctor.
29 */
30 protected RFldConstraintI16()
31 {
32 }
33
34 /***
35 * Check if a message field satisfies the constraint.
36 * @param fld Field to validate.
37 */
38 public void validate(RFld fld) throws FieldValidationException
39 {
40 if (fld instanceof RFldI16)
41 {
42 RFldI16 numericFld = (RFldI16)fld;
43 if (! isValid(numericFld.getValue()))
44 throw new FieldValidationException(fld.getName());
45 }
46 else
47 throw new FieldValidationException("Invalid field type: " + fld.getName());
48 }
49
50 /***
51 * Check if a value satisfies the constraint.
52 * @param fld Field.
53 * @param val Value to validate.
54 */
55 public void validate(RFld fld, short val) throws FieldValidationException
56 {
57 if (! isValid(val))
58 throw new FieldValidationException(fld.getName());
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 RFldI16)
71 return isValid(((RFldI16)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(short val);
84 }
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