/*
    * ====================================================================
    * 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.http.impl.cookie;
  
  import java.util.Date;
  
  import org.apache.http.annotation.Contract;
  import org.apache.http.annotation.ThreadingBehavior;
  import org.apache.http.client.utils.DateUtils;
  import org.apache.http.cookie.ClientCookie;
  import org.apache.http.cookie.CommonCookieAttributeHandler;
  import org.apache.http.cookie.MalformedCookieException;
  import org.apache.http.cookie.SetCookie;
  import org.apache.http.util.Args;
  
  /**
   *
   * @since 4.0
   */
  @Contract(threading = ThreadingBehavior.IMMUTABLE)
  public class BasicExpiresHandler extends AbstractCookieAttributeHandler implements CommonCookieAttributeHandler {
  
      /** Valid date patterns */
      private final String[] datePatterns;
  
      public BasicExpiresHandler(final String[] datePatterns) {
          Args.notNull(datePatterns, "Array of date patterns");
          this.datePatterns = datePatterns.clone();
      }
  
      @Override
      public void parse(final SetCookie cookie, final String value)
              throws MalformedCookieException {
          Args.notNull(cookie, "Cookie");
          if (value == null) {
              throw new MalformedCookieException("Missing value for 'expires' attribute");
          }
          final Date expiry = DateUtils.parseDate(value, this.datePatterns);
          if (expiry == null) {
              throw new MalformedCookieException("Invalid 'expires' attribute: "
                      + value);
          }
          cookie.setExpiryDate(expiry);
      }
  
      @Override
      public String getAttributeName() {
          return ClientCookie.EXPIRES_ATTR;
      }
  
  }