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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  import org.opensaml.xml.util.DatatypeHelper;
21  
22  /**
23   * An implementation of {@link Criteria} which specifies key name criteria.
24   */
25  public final class KeyNameCriteria implements Criteria {
26  
27      /** Key name of resolved credentials.  */
28      private String keyName;
29      
30      /**
31       * Constructor.
32       *
33       * @param name key name
34       */
35      public KeyNameCriteria(String name) {
36          setKeyName(name);
37      }
38  
39      /**
40       * Get the key name criteria.
41       * 
42       * @return Returns the keyName.
43       */
44      public String getKeyName() {
45          return keyName;
46      }
47  
48      /**
49       * Set the key name criteria.
50       * 
51       * @param name The keyName to set.
52       */
53      public void setKeyName(String name) {
54          if (DatatypeHelper.isEmpty(name)) {
55              throw new IllegalArgumentException("Key name criteria value must be supplied");
56          }
57          keyName = DatatypeHelper.safeTrimOrNullString(name);
58      }
59  
60  }