1 /*
2 * Copyright 2004-2009 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.springmodules.validation.util.condition.collection;
18
19 import java.lang.reflect.Array;
20 import java.util.Collection;
21
22 /**
23 * An {@link AbstractCollectionCondition} that checks that the size/length of the the checked collection/array is
24 * with in a specific bounds.
25 *
26 * @author Uri Boness
27 */
28 public class SizeRangeCollectionCondition extends AbstractCollectionCondition {
29
30 private int minSize;
31
32 private int maxSize;
33
34 /**
35 * Constructs a new SizeRangeCollectionCondition with a given minimum and maximum sizes.
36 *
37 * @param minSize The given minimum size.
38 * @param maxSize The given maximum size.
39 */
40 public SizeRangeCollectionCondition(int minSize, int maxSize) {
41 this.minSize = minSize;
42 this.maxSize = maxSize;
43 }
44
45 /**
46 * Checks whether the given array is in the boundries of the range defined by this condition.
47 *
48 * @see AbstractCollectionCondition#checkArray(Object)
49 */
50 protected boolean checkArray(Object array) {
51 int length = Array.getLength(array);
52 return length >= minSize && length <= maxSize;
53 }
54
55 /**
56 * Checks whether the given collection is in the boundries of the range defined by this condition.
57 *
58 * @see AbstractCollectionCondition#checkCollection(java.util.Collection)
59 */
60 protected boolean checkCollection(Collection collection) {
61 int size = collection.size();
62 return size >= minSize && size <= maxSize;
63 }
64
65 //=============================================== Setter/Getter ====================================================
66
67 /**
68 * Returns the minimum size of this range condition
69 *
70 * @return The minimum size of this range condition
71 */
72 public int getMinSize() {
73 return minSize;
74 }
75
76 /**
77 * Returns the maximum size of this range condition
78 *
79 * @return The maximum size of this range condition
80 */
81 public int getMaxSize() {
82 return maxSize;
83 }
84
85 }