| /* |
| * 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.ivy.plugins.version; |
| |
| import java.util.Comparator; |
| import java.util.List; |
| |
| import org.apache.ivy.core.module.descriptor.ModuleDescriptor; |
| import org.apache.ivy.core.module.id.ModuleRevisionId; |
| import org.apache.ivy.core.module.status.Status; |
| import org.apache.ivy.core.module.status.StatusManager; |
| |
| public class LatestVersionMatcher extends AbstractVersionMatcher { |
| public LatestVersionMatcher() { |
| super("latest"); |
| } |
| |
| public boolean isDynamic(ModuleRevisionId askedMrid) { |
| return askedMrid.getRevision().startsWith("latest."); |
| } |
| |
| public boolean accept(ModuleRevisionId askedMrid, ModuleRevisionId foundMrid) { |
| return true; |
| } |
| |
| public boolean needModuleDescriptor(ModuleRevisionId askedMrid, ModuleRevisionId foundMrid) { |
| List<Status> statuses = StatusManager.getCurrent().getStatuses(); |
| Status lowest = (Status) statuses.get(statuses.size() - 1); |
| String latestLowest = "latest." + lowest.getName(); |
| return !latestLowest.equals(askedMrid.getRevision()); |
| } |
| |
| public boolean accept(ModuleRevisionId askedMrid, ModuleDescriptor foundMD) { |
| String askedBranch = askedMrid.getBranch(); |
| String foundBranch = foundMD.getModuleRevisionId().getBranch(); |
| boolean sameBranch = (askedBranch == null) ? foundBranch == null |
| : askedBranch.equals(foundBranch); |
| if (!sameBranch) { |
| return false; |
| } |
| String askedStatus = askedMrid.getRevision().substring("latest.".length()); |
| return StatusManager.getCurrent().getPriority(askedStatus) >= StatusManager.getCurrent() |
| .getPriority(foundMD.getStatus()); |
| } |
| |
| /** |
| * If we don't need a module descriptor we can consider the dynamic revision to be greater. If |
| * we need a module descriptor then we can't know which one is greater and return 0. |
| */ |
| public int compare(ModuleRevisionId askedMrid, ModuleRevisionId foundMrid, |
| Comparator staticComparator) { |
| return needModuleDescriptor(askedMrid, foundMrid) ? 0 : 1; |
| } |
| } |