001/* 002 * Portions of this software was developed by employees of the National Institute 003 * of Standards and Technology (NIST), an agency of the Federal Government and is 004 * being made available as a public service. Pursuant to title 17 United States 005 * Code Section 105, works of NIST employees are not subject to copyright 006 * protection in the United States. This software may be subject to foreign 007 * copyright. Permission in the United States and in foreign countries, to the 008 * extent that NIST may hold copyright, to use, copy, modify, create derivative 009 * works, and distribute this software and its documentation without fee is hereby 010 * granted on a non-exclusive basis, provided that this notice and disclaimer 011 * of warranty appears in all copies. 012 * 013 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER 014 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY 015 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF 016 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM 017 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE 018 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT 019 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT, 020 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM, 021 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY, 022 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR 023 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT 024 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER. 025 */ 026 027package gov.nist.secauto.oscal.lib.model.metadata; 028 029import gov.nist.secauto.metaschema.model.common.datatype.markup.MarkupLine; 030import gov.nist.secauto.metaschema.model.common.util.ObjectUtils; 031import gov.nist.secauto.oscal.lib.model.Link; 032 033import java.net.URI; 034import java.util.LinkedList; 035import java.util.List; 036import java.util.stream.Collectors; 037import java.util.stream.Stream; 038 039import edu.umd.cs.findbugs.annotations.NonNull; 040 041public abstract class AbstractLink implements ILink { 042 043 public static List<Link> merge(@NonNull List<Link> original, @NonNull List<Link> additional) { 044 return Stream.concat(original.stream(), additional.stream()) 045 .collect(Collectors.toCollection(LinkedList::new)); 046 } 047 048 @NonNull 049 public static Builder builder(@NonNull URI href) { 050 return new Builder(href); 051 } 052 053 public static class Builder { 054 @NonNull 055 private final URI href; 056 private String rel; 057 private String mediaType; 058 private MarkupLine text; 059 060 public Builder(@NonNull URI href) { 061 this.href = ObjectUtils.requireNonNull(href, "href"); 062 } 063 064 @NonNull 065 public Builder relation(@NonNull String relation) { 066 this.rel = ObjectUtils.requireNonNull(relation, "rel"); 067 return this; 068 } 069 070 @NonNull 071 public Builder value(@NonNull String mediaType) { 072 this.mediaType = ObjectUtils.requireNonNull(mediaType, "mediaType"); 073 return this; 074 } 075 076 @NonNull 077 public Builder clazz(@NonNull MarkupLine text) { 078 this.text = ObjectUtils.requireNonNull(text, "text"); 079 return this; 080 } 081 082 @NonNull 083 public Link build() { 084 Link retval = new Link(); 085 retval.setHref(href); 086 if (rel != null) { 087 retval.setRel(rel); 088 } 089 if (mediaType != null) { 090 retval.setMediaType(mediaType); 091 } 092 if (text != null) { 093 retval.setText(text); 094 } 095 096 return retval; 097 } 098 } 099}