| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.servicecomb.edge.core; |
| |
| import java.util.Map; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.servicecomb.foundation.common.concurrent.ConcurrentHashMapEx; |
| import org.apache.servicecomb.foundation.common.exceptions.ServiceCombException; |
| import org.apache.servicecomb.registry.version.VersionRule; |
| import org.apache.servicecomb.registry.version.VersionRuleUtils; |
| |
| public class CompatiblePathVersionMapper { |
| // v1 -> 1.0.0-2.0.0 |
| // v2 -> 2.0.0-3.0.0 |
| private final Map<String, VersionRule> mapper = new ConcurrentHashMapEx<>(); |
| |
| public VersionRule getOrCreate(String pathVersion) { |
| return mapper.computeIfAbsent(pathVersion, this::createVersionRule); |
| } |
| |
| // v + number |
| protected VersionRule createVersionRule(String pathVersion) { |
| if (StringUtils.isEmpty(pathVersion) || Character.toUpperCase(pathVersion.charAt(0)) != 'V') { |
| throw new ServiceCombException( |
| String.format("pathVersion \"%s\" is invalid, format must be v+number or V+number.", pathVersion)); |
| } |
| |
| int number = 0; |
| try { |
| number = Integer.parseInt(pathVersion.substring(1)); |
| } catch (NumberFormatException e) { |
| throw new ServiceCombException( |
| String.format("pathVersion \"%s\" is invalid, format must be v+number or V+number.", pathVersion), e); |
| } |
| |
| if (number < 0 || number > Short.MAX_VALUE) { |
| throw new ServiceCombException( |
| String.format("pathVersion \"%s\" is invalid, version range is [0, %d].", pathVersion, Short.MAX_VALUE)); |
| } |
| |
| if (number == Short.MAX_VALUE) { |
| return VersionRuleUtils.getOrCreate(String.format("%d.0.0+", number)); |
| } |
| |
| return VersionRuleUtils.getOrCreate(String.format("%d.0.0-%d.0.0", number, number + 1)); |
| } |
| } |