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 an enumeration constraint on a <tt>int</tt> message field.
22 * @author Jawaid Hakim.
23 */
24 public class RFldConstraintI32Enum extends RFldConstraintI32
25 {
26 /***
27 * Constructor.
28 * @param fldName Name of field to which this constraint is bound.
29 * @param enums Enumeration of allowed values.
30 */
31 public RFldConstraintI32Enum(String fldName, int[] enums) throws FieldValidationException
32 {
33 if (enums == null)
34 throw new FieldValidationException("NULL enums: " + fldName);
35 enums_ = enums;
36 }
37
38 /***
39 * Constructor.
40 * @param fldName Name of field to which this constraint is bound.
41 * @param enums Enumeration of allowed values.
42 */
43 public RFldConstraintI32Enum(String fldName, String[] enums) throws FieldValidationException
44 {
45 if (enums == null)
46 throw new FieldValidationException("NULL enums: " + fldName);
47 int[] intEnums = new int[enums.length];
48 for (int i = intEnums.length - 1; i >= 0 ; --i)
49 intEnums[i] = Integer.parseInt(enums[i]);
50 enums_ = intEnums;
51 }
52
53 /***
54 * Get error description.
55 * @param fldName Field name.
56 * @return Error description.
57 */
58 public String errDesc(String fldName)
59 {
60 return "Field value not in enumeration: " + fldName;
61 }
62
63 /***
64 * Check if a value satisfies the constraint.
65 * @param val Value.
66 * @return <tt>true</tt> if the field satisfied the
67 * constraint. Otherwise, <tt>false</tt> is returned.
68 */
69 public boolean isValid(int val)
70 {
71 if (enums_ == null)
72 return true;
73
74 for (int i = enums_.length - 1; i >= 0 ; --i)
75 {
76 if (val == enums_[i])
77 return true;
78 }
79
80 return false;
81 }
82
83 /***
84 * Enumeration of allowed values.
85 */
86 protected int[] enums_;
87 }
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