| /* |
| * Copyright (c) 2013, 2019 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // gonural - initial |
| // 2014-09-01-2.6.0 Dmitry Kornilov |
| // - Added convenient methods to retrieve links by rel. |
| package org.eclipse.persistence.internal.jpa.rs.metadata.model; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Represents a list of links for REST collection or entity resource. |
| * |
| * @author gonural |
| */ |
| public class ItemLinks { |
| private List<LinkV2> links; |
| |
| /** |
| * Returns a list of all links. |
| * |
| * @return a list of links. |
| */ |
| public List<LinkV2> getLinks() { |
| return links; |
| } |
| |
| /** |
| * Sets links. |
| * |
| * @param links links to set. |
| */ |
| public void setLinks(List<LinkV2> links) { |
| if (this.links == null) { |
| this.links = new ArrayList<LinkV2>(); |
| } |
| |
| this.links = links; |
| } |
| |
| /** |
| * Adds a link. |
| * |
| * @param link link to add. |
| */ |
| public void addLink(LinkV2 link) { |
| if (this.links == null) { |
| this.links = new ArrayList<LinkV2>(); |
| } |
| |
| this.links.add(link); |
| } |
| |
| /** |
| * Gets 'canonical' link. |
| * |
| * @return 'Canonical' link or null if not found. |
| */ |
| public LinkV2 getCanonicalLink() { |
| return getLinkByRel("canonical"); |
| } |
| |
| /** |
| * Gets 'self' link. |
| * |
| * @return 'Self' link or null if not found. |
| */ |
| public LinkV2 getSelfLink() { |
| return getLinkByRel("self"); |
| } |
| |
| /** |
| * Finds a link by rel.. |
| * |
| * @return Found link or null if not found. |
| */ |
| public LinkV2 getLinkByRel(String rel) { |
| if (links == null || links.isEmpty()) { |
| return null; |
| } |
| |
| for (LinkV2 link : links) { |
| if (link.getRel().equals(rel)) { |
| return link; |
| } |
| } |
| return null; |
| } |
| } |