| /* |
| * Copyright (c) 2014, 2020 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: |
| // Dmitry Kornilov - initial implementation |
| package org.eclipse.persistence.jpa.rs.features; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * JPARS service version. |
| * |
| * @author Dmitry Kornilov |
| * @since EclipseLink 2.6.0 |
| */ |
| public enum ServiceVersion { |
| /** |
| * Added only for legacy reasons. In early versions version number was not supported. |
| */ |
| NO_VERSION(null), |
| |
| /** |
| * The same as NO_VERSION, but v1.0 is specified in the URL. |
| */ |
| VERSION_1_0("v1.0"), |
| |
| /** |
| * Version 2.0. Supports pagination and other new features. |
| */ |
| VERSION_2_0("v2.0"), |
| |
| /** |
| * The latest version. |
| */ |
| LATEST("latest"); |
| |
| /** |
| * String representation of the version number. As it appears in the URL. Ex. "v2.0" |
| */ |
| private final String version; |
| |
| private static final Map<String, ServiceVersion> values; |
| |
| static { |
| values = new HashMap<>(); |
| for (final ServiceVersion e : ServiceVersion.values()) { |
| values.put(e.getCode(), e); |
| } |
| } |
| |
| private ServiceVersion(final String version) { |
| this.version = version; |
| } |
| |
| /** |
| * Returns the version as in appears in URI. |
| * |
| * @return the version. |
| */ |
| public String getCode() { |
| return version; |
| } |
| |
| /** |
| * Returns enumeration value by version number as it appears in URI. |
| * |
| * @param version version as it appears in URI. |
| * @return ServiceVersion. |
| * @throws IllegalArgumentException in case that the passed code does not match any enumeration value. |
| */ |
| public static ServiceVersion fromCode(final String version) throws IllegalArgumentException { |
| final ServiceVersion e = values.get(version); |
| if (e == null) { |
| throw new IllegalArgumentException("Unsupported version " + version); |
| } |
| return e; |
| } |
| |
| /** |
| * Gets a {@link FeatureSet} related to this service version. |
| * |
| * @return {@link FeatureSet} related to this version. |
| */ |
| public FeatureSet getFeatureSet() { |
| if (this.compareTo(VERSION_2_0) >= 0) |
| return new FeatureSetV2(); |
| else { |
| return new FeatureSetPreV2(); |
| } |
| } |
| |
| /** |
| * Checks if ServiceVersion with given code exists. |
| * |
| * @param code Code to check. |
| * @return true if exists, false if not. |
| */ |
| public static boolean hasCode(String code) { |
| return values.containsKey(code); |
| } |
| } |