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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.ws.security.provider;
18  
19  import java.util.ArrayList;
20  import java.util.List;
21  
22  import org.opensaml.ws.message.MessageContext;
23  import org.opensaml.ws.security.SecurityPolicy;
24  import org.opensaml.ws.security.SecurityPolicyException;
25  import org.opensaml.ws.security.SecurityPolicyRule;
26  
27  /**
28   * Basic security policy implementation which evaluates a given set of {@link SecurityPolicyRule} in an ordered manner.
29   * 
30   * A policy evaluates successfully if, and only if, all policy rules evaluate successfully.
31   */
32  public class BasicSecurityPolicy implements SecurityPolicy {
33      
34      /** Registered security rules. */
35      private ArrayList<SecurityPolicyRule> rules;
36      
37      /** Constructor. */
38      public BasicSecurityPolicy(){
39          rules = new ArrayList<SecurityPolicyRule>(5);
40      }
41      
42      /** {@inheritDoc} */
43      public List<SecurityPolicyRule> getPolicyRules() {
44          return rules;
45      }
46  
47      /** {@inheritDoc} */
48      public void evaluate(MessageContext messageContext) throws SecurityPolicyException {
49          for(SecurityPolicyRule rule : getPolicyRules()){
50              rule.evaluate(messageContext);
51          }
52      }
53  }