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.credential;
18
19 import java.util.ArrayList;
20 import java.util.Collection;
21
22 import org.opensaml.xml.security.CriteriaSet;
23 import org.opensaml.xml.security.SecurityException;
24 import org.opensaml.xml.security.credential.criteria.EvaluableCredentialCriteria;
25 import org.opensaml.xml.security.credential.criteria.EvaluableCredentialCriteriaRegistry;
26
27 /**
28 * An implementation of {@link CredentialResolver} which uses a {@link Collection} as the
29 * underlying credential source.
30 *
31 * <p>
32 * The credentials returned are filtered based on any
33 * {@link EvaluableCredentialCriteria} which may have been present in the specified criteria set, or
34 * which are resolved by lookup in the {@link EvaluableCredentialCriteriaRegistry}.
35 * </p>
36 */
37 public class CollectionCredentialResolver extends AbstractCriteriaFilteringCredentialResolver {
38
39 /** The collection of credentials which is the underlying store for the resolver. */
40 private Collection<Credential> collection;
41
42 /**
43 * Constructor.
44 *
45 * An {@link ArrayList} is used as the underlying collection implementation.
46 *
47 */
48 public CollectionCredentialResolver() {
49 super();
50 collection = new ArrayList<Credential>();
51 }
52
53 /**
54 * Constructor.
55 *
56 * @param credentials the credential collection which is the backing store for the resolver
57 */
58 public CollectionCredentialResolver(Collection<Credential> credentials) {
59 super();
60 collection = credentials;
61 }
62
63 /**
64 * Get the (modifiable) credential collection which is the backing store for the resolver.
65 *
66 * @return the credential collection backing store
67 */
68 public Collection<Credential> getCollection() {
69 return collection;
70 }
71
72 /** {@inheritDoc} */
73 protected Iterable<Credential> resolveFromSource(CriteriaSet criteriaSet) throws SecurityException {
74 return collection;
75 }
76
77 }