001/* 002 * Copyright 2012-2017 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.cli.compiler.grape; 018 019import java.util.ArrayList; 020import java.util.List; 021import java.util.ServiceLoader; 022 023import groovy.lang.GroovyClassLoader; 024import org.apache.maven.repository.internal.MavenRepositorySystemUtils; 025import org.eclipse.aether.DefaultRepositorySystemSession; 026import org.eclipse.aether.RepositorySystem; 027import org.eclipse.aether.connector.basic.BasicRepositoryConnectorFactory; 028import org.eclipse.aether.impl.DefaultServiceLocator; 029import org.eclipse.aether.internal.impl.DefaultRepositorySystem; 030import org.eclipse.aether.repository.RemoteRepository; 031import org.eclipse.aether.repository.RepositoryPolicy; 032import org.eclipse.aether.spi.connector.RepositoryConnectorFactory; 033import org.eclipse.aether.spi.connector.transport.TransporterFactory; 034import org.eclipse.aether.spi.locator.ServiceLocator; 035import org.eclipse.aether.transport.file.FileTransporterFactory; 036import org.eclipse.aether.transport.http.HttpTransporterFactory; 037 038/** 039 * Utility class to create a pre-configured {@link AetherGrapeEngine}. 040 * 041 * @author Andy Wilkinson 042 */ 043public abstract class AetherGrapeEngineFactory { 044 045 public static AetherGrapeEngine create(GroovyClassLoader classLoader, 046 List<RepositoryConfiguration> repositoryConfigurations, 047 DependencyResolutionContext dependencyResolutionContext, boolean quiet) { 048 RepositorySystem repositorySystem = createServiceLocator() 049 .getService(RepositorySystem.class); 050 DefaultRepositorySystemSession repositorySystemSession = MavenRepositorySystemUtils 051 .newSession(); 052 ServiceLoader<RepositorySystemSessionAutoConfiguration> autoConfigurations = ServiceLoader 053 .load(RepositorySystemSessionAutoConfiguration.class); 054 for (RepositorySystemSessionAutoConfiguration autoConfiguration : autoConfigurations) { 055 autoConfiguration.apply(repositorySystemSession, repositorySystem); 056 } 057 new DefaultRepositorySystemSessionAutoConfiguration() 058 .apply(repositorySystemSession, repositorySystem); 059 return new AetherGrapeEngine(classLoader, repositorySystem, 060 repositorySystemSession, createRepositories(repositoryConfigurations), 061 dependencyResolutionContext, quiet); 062 } 063 064 private static ServiceLocator createServiceLocator() { 065 DefaultServiceLocator locator = MavenRepositorySystemUtils.newServiceLocator(); 066 locator.addService(RepositorySystem.class, DefaultRepositorySystem.class); 067 locator.addService(RepositoryConnectorFactory.class, 068 BasicRepositoryConnectorFactory.class); 069 locator.addService(TransporterFactory.class, HttpTransporterFactory.class); 070 locator.addService(TransporterFactory.class, FileTransporterFactory.class); 071 return locator; 072 } 073 074 private static List<RemoteRepository> createRepositories( 075 List<RepositoryConfiguration> repositoryConfigurations) { 076 List<RemoteRepository> repositories = new ArrayList<RemoteRepository>( 077 repositoryConfigurations.size()); 078 for (RepositoryConfiguration repositoryConfiguration : repositoryConfigurations) { 079 RemoteRepository.Builder builder = new RemoteRepository.Builder( 080 repositoryConfiguration.getName(), "default", 081 repositoryConfiguration.getUri().toASCIIString()); 082 083 if (!repositoryConfiguration.getSnapshotsEnabled()) { 084 builder.setSnapshotPolicy( 085 new RepositoryPolicy(false, RepositoryPolicy.UPDATE_POLICY_NEVER, 086 RepositoryPolicy.CHECKSUM_POLICY_IGNORE)); 087 } 088 repositories.add(builder.build()); 089 } 090 return repositories; 091 } 092 093}