01: /*
02: * Copyright (c) 2003-2007 JGoodies Karsten Lentzsch. All Rights Reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * o Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * o Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * o Neither the name of JGoodies Karsten Lentzsch nor the names of
15: * its contributors may be used to endorse or promote products derived
16: * from this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20: * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
22: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
27: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29: */
30:
31: package com.jgoodies.validation;
32:
33: /**
34: * Describes objects that can validate other objects.
35: * In contrast a {@link Validatable} can validate itself.
36: *
37: * @author Karsten Lentzsch
38: * @version $Revision: 1.11 $
39: *
40: * @see ValidationResult
41: *
42: * @since 2.0
43: *
44: * @param <T> the type of the objects to be validated
45: */
46: public interface Validator<T> {
47:
48: /**
49: * Validates the given validation target and returns the validation result
50: * as an instance of {@link ValidationResult}.
51: *
52: * @param validationTarget the object to be validated
53: * @return the validation result
54: */
55: ValidationResult validate(T validationTarget);
56:
57: }
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