/*
    * ====================================================================
    * 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.hc.client5.http.impl.cache;
  
  import java.util.Iterator;
  
  import org.apache.hc.client5.http.cache.HttpCacheEntry;
  import org.apache.hc.core5.http.Header;
  import org.apache.hc.core5.http.MessageHeaders;
  import org.apache.hc.core5.util.LangUtils;
  import org.hamcrest.BaseMatcher;
  import org.hamcrest.Description;
  import org.hamcrest.Factory;
  import org.hamcrest.Matcher;
  
  public class ContainsHeaderMatcher extends BaseMatcher<HttpCacheEntry> {
  
      private final String headerName;
      private final Object headerValue;
  
      public ContainsHeaderMatcher(final String headerName, final Object headerValue) {
          this.headerName = headerName;
          this.headerValue = headerValue;
      }
  
      @Override
      public boolean matches(final Object item) {
          if (item instanceof MessageHeaders) {
              final MessageHeaders messageHeaders = (MessageHeaders) item;
              for (final Iterator<Header> it = messageHeaders.headerIterator(); it.hasNext(); ) {
                  final Header header = it.next();
                  if (headerName.equalsIgnoreCase(header.getName()) && LangUtils.equals(headerValue, header.getValue())) {
                      return true;
                  }
              }
          }
          return false;
      }
  
      @Override
      public void describeTo(final Description description) {
          description.appendText("contains header ").appendValue(headerValue).appendText(": ").appendValue(headerValue);
      }
  
      @Factory
      public static Matcher<HttpCacheEntry> contains(final String headerName, final Object headerValue) {
          return new ContainsHeaderMatcher(headerName, headerValue);
      }
  
  }