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1   /*
2    * Copyright [2007] [University Corporation for Advanced Internet Development, Inc.]
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.opensaml.xml.security.criteria;
18  
19  import org.opensaml.xml.security.Criteria;
20  
21  /**
22   * An implementation of {@link Criteria} which specifies key length criteria.
23   */
24  public final class KeyLengthCriteria implements Criteria {
25      
26      /** Key length of resolved credentials. */
27      private Integer keyLength;
28      
29      /**
30       * Constructor.
31       *
32       * @param length key length 
33       */
34      public KeyLengthCriteria(Integer length) {
35          setKeyLength(length);
36      }
37  
38      /**
39       * Get the key length.
40       * 
41       * @return Returns the keyLength.
42       */
43      public Integer getKeyLength() {
44          return keyLength;
45      }
46  
47      /**
48       * Set the key length.
49       * 
50       * @param length The keyLength to set.
51       */
52      public void setKeyLength(Integer length) {
53          if (length == null) {
54              throw new IllegalArgumentException("Key length criteria value must be supplied");
55          }
56          keyLength = length;
57      }
58  
59  }