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1   /*
2    * Copyright [2006] [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 edu.internet2.middleware.shibboleth.common.attribute.resolver.provider.attributeDefinition;
18  
19  import java.util.Collection;
20  
21  import edu.internet2.middleware.shibboleth.common.attribute.BaseAttribute;
22  import edu.internet2.middleware.shibboleth.common.attribute.provider.BasicAttribute;
23  import edu.internet2.middleware.shibboleth.common.attribute.resolver.AttributeResolutionException;
24  import edu.internet2.middleware.shibboleth.common.attribute.resolver.provider.ShibbolethResolutionContext;
25  
26  /**
27   * Simple attribute definition.
28   */
29  public class SimpleAttributeDefinition extends BaseAttributeDefinition {
30  
31      /** {@inheritDoc} */
32      protected BaseAttribute<?> doResolve(ShibbolethResolutionContext resolutionContext)
33              throws AttributeResolutionException {
34          BasicAttribute<Object> attribute = new BasicAttribute<Object>();
35          attribute.setId(getId());
36  
37          Collection<?> values = getValuesFromAllDependencies(resolutionContext);
38          if (values != null && !values.isEmpty()) {
39              for (Object value : values) {
40                  attribute.getValues().add(value);
41              }
42          }
43  
44          return attribute;
45      }
46  
47      /** {@inheritDoc} */
48      public void validate() throws AttributeResolutionException {
49          // do nothing
50      }
51  }