1 /*
2 * Portions of this software was developed by employees of the National Institute
3 * of Standards and Technology (NIST), an agency of the Federal Government and is
4 * being made available as a public service. Pursuant to title 17 United States
5 * Code Section 105, works of NIST employees are not subject to copyright
6 * protection in the United States. This software may be subject to foreign
7 * copyright. Permission in the United States and in foreign countries, to the
8 * extent that NIST may hold copyright, to use, copy, modify, create derivative
9 * works, and distribute this software and its documentation without fee is hereby
10 * granted on a non-exclusive basis, provided that this notice and disclaimer
11 * of warranty appears in all copies.
12 *
13 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
14 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
15 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
17 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
18 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT
19 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
20 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
21 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
22 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
23 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
24 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
25 */
26
27 package gov.nist.secauto.oscal.lib.model.metadata;
28
29 import gov.nist.secauto.metaschema.model.common.datatype.markup.MarkupLine;
30 import gov.nist.secauto.metaschema.model.common.util.ObjectUtils;
31 import gov.nist.secauto.oscal.lib.model.Link;
32
33 import java.net.URI;
34 import java.util.LinkedList;
35 import java.util.List;
36 import java.util.stream.Collectors;
37 import java.util.stream.Stream;
38
39 import edu.umd.cs.findbugs.annotations.NonNull;
40
41 public abstract class AbstractLink implements ILink {
42
43 public static List<Link> merge(@NonNull List<Link> original, @NonNull List<Link> additional) {
44 return Stream.concat(original.stream(), additional.stream())
45 .collect(Collectors.toCollection(LinkedList::new));
46 }
47
48 @NonNull
49 public static Builder builder(@NonNull URI href) {
50 return new Builder(href);
51 }
52
53 public static class Builder {
54 @NonNull
55 private final URI href;
56 private String rel;
57 private String mediaType;
58 private MarkupLine text;
59
60 public Builder(@NonNull URI href) {
61 this.href = ObjectUtils.requireNonNull(href, "href");
62 }
63
64 @NonNull
65 public Builder relation(@NonNull String relation) {
66 this.rel = ObjectUtils.requireNonNull(relation, "rel");
67 return this;
68 }
69
70 @NonNull
71 public Builder value(@NonNull String mediaType) {
72 this.mediaType = ObjectUtils.requireNonNull(mediaType, "mediaType");
73 return this;
74 }
75
76 @NonNull
77 public Builder clazz(@NonNull MarkupLine text) {
78 this.text = ObjectUtils.requireNonNull(text, "text");
79 return this;
80 }
81
82 @NonNull
83 public Link build() {
84 Link retval = new Link();
85 retval.setHref(href);
86 if (rel != null) {
87 retval.setRel(rel);
88 }
89 if (mediaType != null) {
90 retval.setMediaType(mediaType);
91 }
92 if (text != null) {
93 retval.setText(text);
94 }
95
96 return retval;
97 }
98 }
99 }