/**
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements. See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership. The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at
    *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied. See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.wss4j.policy.stax.assertionStates;
  
  import javax.xml.namespace.QName;
  
  import org.apache.wss4j.policy.AssertionState;
  import org.apache.wss4j.policy.SPConstants;
  import org.apache.wss4j.common.WSSPolicyException;
  import org.apache.wss4j.policy.model.AbstractSecurityAssertion;
  import org.apache.wss4j.policy.model.Wss11;
  import org.apache.wss4j.policy.stax.Assertable;
  import org.apache.wss4j.policy.stax.DummyPolicyAsserter;
  import org.apache.wss4j.policy.stax.PolicyAsserter;
  import org.apache.wss4j.stax.securityEvent.WSSecurityEventConstants;
  import org.apache.xml.security.stax.securityEvent.SecurityEvent;
  import org.apache.xml.security.stax.securityEvent.SecurityEventConstants;
  
  public class SignatureConfirmationAssertionState extends AssertionState implements Assertable {
  
      private PolicyAsserter policyAsserter;
  
      public SignatureConfirmationAssertionState(AbstractSecurityAssertion assertion,
                                                 PolicyAsserter policyAsserter,
                                                 boolean asserted) {
          super(assertion, asserted);
  
          this.policyAsserter = policyAsserter;
          if (this.policyAsserter == null) {
              this.policyAsserter = new DummyPolicyAsserter();
          }
  
          if (asserted) {
              String namespace = getAssertion().getName().getNamespaceURI();
              policyAsserter.assertPolicy(new QName(namespace, SPConstants.REQUIRE_SIGNATURE_CONFIRMATION));
          }
      }
  
      @Override
      public SecurityEventConstants.Event[] getSecurityEventType() {
          return new SecurityEventConstants.Event[]{
                  WSSecurityEventConstants.SIGNATURE_CONFIRMATION
          };
      }
  
      @Override
      public boolean assertEvent(SecurityEvent securityEvent) throws WSSPolicyException {
          Wss11 wss11 = (Wss11)getAssertion();
  
          String namespace = getAssertion().getName().getNamespaceURI();
          if (wss11.isRequireSignatureConfirmation()) {
              policyAsserter.assertPolicy(new QName(namespace, SPConstants.REQUIRE_SIGNATURE_CONFIRMATION));
              setAsserted(true);
          } else {
              setAsserted(false);
              setErrorMessage("Signature confirmation elements must not be used");
              policyAsserter.unassertPolicy(new QName(namespace, SPConstants.REQUIRE_SIGNATURE_CONFIRMATION),
                                            getErrorMessage());
          }
          return isAsserted();
      }
  }