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1   /*
2    * Copyright (c) 2012-2022, jcabi.com
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met: 1) Redistributions of source code must retain the above
8    * copyright notice, this list of conditions and the following
9    * disclaimer. 2) Redistributions in binary form must reproduce the above
10   * copyright notice, this list of conditions and the following
11   * disclaimer in the documentation and/or other materials provided
12   * with the distribution. 3) Neither the name of the jcabi.com nor
13   * the names of its contributors may be used to endorse or promote
14   * products derived from this software without specific prior written
15   * permission.
16   *
17   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
19   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21   * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
22   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28   * OF THE POSSIBILITY OF SUCH DAMAGE.
29   */
30  package com.jcabi.manifests;
31  
32  import java.io.InputStream;
33  import java.util.Collection;
34  import java.util.Collections;
35  
36  /**
37   * Manifests in streams.
38   *
39   * Append attributes from {@code MANIFEST.MF} file:
40   *
41   * <pre> Manifests.append(
42   *   new StreamsMfs(this.getClass().getResourceAsStream("MANIFEST.MF"))
43   * );</pre>
44   *
45   * <p>The class is immutable and thread-safe.
46   *
47   * @since 1.1
48   */
49  public final class StreamsMfs implements Mfs {
50  
51      /**
52       * Streams.
53       */
54      private final transient Collection<InputStream> streams;
55  
56      /**
57       * Ctor.
58       * @param stream Stream
59       */
60      public StreamsMfs(final InputStream stream) {
61          this(Collections.singleton(stream));
62      }
63  
64      /**
65       * Ctor.
66       * @param list Files
67       */
68      public StreamsMfs(final Collection<InputStream> list) {
69          this.streams = Collections.unmodifiableCollection(list);
70      }
71  
72      @Override
73      public Collection<InputStream> fetch() {
74          return Collections.unmodifiableCollection(this.streams);
75      }
76  
77  }