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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  package org.apache.hc.client5.http.impl.cache;
28  
29  import java.util.Iterator;
30  import java.util.Objects;
31  
32  import org.apache.hc.core5.http.Header;
33  import org.apache.hc.core5.http.MessageHeaders;
34  import org.hamcrest.BaseMatcher;
35  import org.hamcrest.Description;
36  import org.hamcrest.Matcher;
37  
38  public class ContainsHeaderMatcher extends BaseMatcher<MessageHeaders> {
39  
40      private final String headerName;
41      private final Object headerValue;
42  
43      public ContainsHeaderMatcher(final String headerName, final Object headerValue) {
44          this.headerName = headerName;
45          this.headerValue = headerValue;
46      }
47  
48      @Override
49      public boolean matches(final Object item) {
50          if (item instanceof MessageHeaders) {
51              final MessageHeaders messageHeaders = (MessageHeaders) item;
52              for (final Iterator<Header> it = messageHeaders.headerIterator(); it.hasNext(); ) {
53                  final Header header = it.next();
54                  if (headerName.equalsIgnoreCase(header.getName()) && Objects.equals(headerValue, header.getValue())) {
55                      return true;
56                  }
57              }
58          }
59          return false;
60      }
61  
62      @Override
63      public void describeTo(final Description description) {
64          description.appendText("contains header ").appendValue(headerName).appendText(": ").appendValue(headerValue);
65      }
66  
67      public static Matcher<MessageHeaders> contains(final String headerName, final Object headerValue) {
68          return new ContainsHeaderMatcher(headerName, headerValue);
69      }
70  
71  }