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 }