/*
* Copyright 2012-2014 the original author or authors.
*
* Licensed 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.springframework.boot.cli.compiler.grape;
import java.io.File;
import java.util.Arrays;
import org.eclipse.aether.DefaultRepositorySystemSession;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.repository.LocalRepository;
import org.eclipse.aether.repository.LocalRepositoryManager;
import org.eclipse.aether.repository.ProxySelector;
import org.eclipse.aether.util.repository.JreProxySelector;
import org.springframework.util.StringUtils;
/**
* A {@link RepositorySystemSessionAutoConfiguration} that, in the absence of any
* configuration, applies sensible defaults.
*
* @author Andy Wilkinson
*/
public class DefaultRepositorySystemSessionAutoConfiguration implements
RepositorySystemSessionAutoConfiguration {
@Override
public void apply(DefaultRepositorySystemSession session,
RepositorySystem repositorySystem) {
if (session.getLocalRepositoryManager() == null) {
LocalRepository localRepository = new LocalRepository(getM2RepoDirectory());
LocalRepositoryManager localRepositoryManager = repositorySystem
.newLocalRepositoryManager(session, localRepository);
session.setLocalRepositoryManager(localRepositoryManager);
}
ProxySelector existing = session.getProxySelector();
if (existing == null || !(existing instanceof CompositeProxySelector)) {
JreProxySelector fallback = new JreProxySelector();
ProxySelector selector = existing == null ? fallback
: new CompositeProxySelector(Arrays.asList(existing, fallback));
session.setProxySelector(selector);
}
}
private File getM2RepoDirectory() {
return new File(getM2HomeDirectory(), "repository");
}
private File getM2HomeDirectory() {
String grapeRoot = System.getProperty("grape.root");
if (StringUtils.hasLength(grapeRoot)) {
return new File(grapeRoot);
}
return getDefaultM2HomeDirectory();
}
private File getDefaultM2HomeDirectory() {
String mavenRoot = System.getProperty("maven.home");
if (StringUtils.hasLength(mavenRoot)) {
return new File(mavenRoot);
}
return new File(System.getProperty("user.home"), ".m2");
}
}