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 import java.util.Date;
21
22 /***
23 * Class to represent an enumeration constraint on a date/time message field.
24 * @author Jawaid Hakim.
25 */
26 public class RFldConstraintDatetimeEnum extends RFldConstraintDatetime
27 {
28 /***
29 * Constructor.
30 * @param fldName Name of field to which this constraint is bound.
31 * @param enums Enumeration of allowed values.
32 */
33 public RFldConstraintDatetimeEnum(String fldName, Date[] enums) throws FieldValidationException
34 {
35 if (enums == null)
36 throw new FieldValidationException("NULL enums: " + fldName);
37
38 enums_ = enums;
39 }
40
41 /***
42 * Get error description.
43 * @param fldName Field name.
44 * @return Error description.
45 */
46 public String errDesc(String fldName)
47 {
48 return "Field value not in enumeration: " + fldName;
49 }
50
51 /***
52 * Check if a value satisfies the constraint.
53 * @param val Data to validate.
54 * @return <tt>true</tt> if the data satisfied the
55 * constraint. Otherwise, <tt>false</tt> is returned.
56 */
57 public boolean isValid(Date val)
58 {
59 if (enums_ == null)
60 return true;
61 else if (val == null)
62 return false;
63
64 for (int i = enums_.length - 1; i >= 0 ; --i)
65 {
66 if (val.equals(enums_[i]))
67 return true;
68 }
69 return false;
70 }
71
72 /***
73 * Enumeration of allowed values.
74 */
75 protected Date[] enums_;
76 }
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