/**
    * 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.dom.processor;
  
  import java.util.List;
  
  import org.apache.wss4j.common.ext.WSSecurityException;
  import org.apache.wss4j.dom.WSConstants;
  import org.apache.wss4j.dom.engine.WSSecurityEngineResult;
  import org.apache.wss4j.dom.handler.RequestData;
  import org.apache.wss4j.dom.message.token.Timestamp;
  import org.apache.wss4j.dom.validate.Credential;
  import org.apache.wss4j.dom.validate.Validator;
  import org.w3c.dom.Element;
  
  public class TimestampProcessor implements Processor {
      private static final org.slf4j.Logger LOG =
          org.slf4j.LoggerFactory.getLogger(TimestampProcessor.class);
  
      public List<WSSecurityEngineResult> handleToken(
          Element elem,
          RequestData data
      ) throws WSSecurityException {
          LOG.debug("Found Timestamp list element");
          //
          // Decode Timestamp, add the found time (created/expiry) to result
          //
          Timestamp timestamp = new Timestamp(elem, data.getBSPEnforcer());
          Credential credential = new Credential();
          credential.setTimestamp(timestamp);
  
          WSSecurityEngineResult result =
              new WSSecurityEngineResult(WSConstants.TS, timestamp);
          String tokenId = timestamp.getID();
          if (tokenId.length() != 0) {
              result.put(WSSecurityEngineResult.TAG_ID, tokenId);
          }
  
          Validator validator = data.getValidator(WSConstants.TIMESTAMP);
          if (validator != null) {
              validator.validate(credential, data);
  
              result.put(WSSecurityEngineResult.TAG_VALIDATED_TOKEN, Boolean.TRUE);
          }
  
          data.getWsDocInfo().addTokenElement(elem);
          data.getWsDocInfo().addResult(result);
          return java.util.Collections.singletonList(result);
      }
  
  }