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1   /*
2    * Licensed to the University Corporation for Advanced Internet Development, 
3    * Inc. (UCAID) under one or more contributor license agreements.  See the 
4    * NOTICE file distributed with this work for additional information regarding
5    * copyright ownership. The UCAID licenses this file to You under the Apache 
6    * License, Version 2.0 (the "License"); you may not use this file except in 
7    * compliance with the License.  You may obtain a copy of the License at
8    *
9    *    http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package edu.internet2.middleware.shibboleth.common.attribute.resolver.provider.attributeDefinition;
19  
20  import java.util.Collection;
21  
22  import edu.internet2.middleware.shibboleth.common.attribute.BaseAttribute;
23  import edu.internet2.middleware.shibboleth.common.attribute.provider.BasicAttribute;
24  import edu.internet2.middleware.shibboleth.common.attribute.resolver.AttributeResolutionException;
25  import edu.internet2.middleware.shibboleth.common.attribute.resolver.provider.ShibbolethResolutionContext;
26  
27  /**
28   * Simple attribute definition.
29   */
30  public class SimpleAttributeDefinition extends BaseAttributeDefinition {
31  
32      /** {@inheritDoc} */
33      protected BaseAttribute<?> doResolve(ShibbolethResolutionContext resolutionContext)
34              throws AttributeResolutionException {
35          BasicAttribute<Object> attribute = new BasicAttribute<Object>();
36          attribute.setId(getId());
37  
38          Collection<?> values = getValuesFromAllDependencies(resolutionContext);
39          if (values != null && !values.isEmpty()) {
40              for (Object value : values) {
41                  attribute.getValues().add(value);
42              }
43          }
44  
45          return attribute;
46      }
47  
48      /** {@inheritDoc} */
49      public void validate() throws AttributeResolutionException {
50          // do nothing
51      }
52  }