com.simpligility.maven.provisioner.RepositoryHandler Maven / Gradle / Ivy

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/*******************************************************************************
 * Copyright (c) 2010, 2014 Sonatype, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Sonatype, Inc. - initial API and implementation
 *******************************************************************************/
package com.simpligility.maven.provisioner;

import java.io.File;

import com.google.inject.Binder;
import com.google.inject.Guice;
import com.google.inject.Module;
import org.apache.maven.repository.internal.MavenRepositorySystemUtils;
import org.eclipse.aether.DefaultRepositorySystemSession;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.internal.impl.DefaultRepositorySystem;
import org.eclipse.aether.repository.LocalRepository;
import org.eclipse.sisu.bean.LifecycleModule;
import org.eclipse.sisu.launch.Main;
import org.eclipse.sisu.space.BeanScanning;
import org.eclipse.sisu.wire.ParameterKeys;

/**
 * A helper to boot the repository system and a repository system session.
 */
public final class RepositoryHandler {
    private static RepositorySystem system;

    private static DefaultRepositorySystemSession session;

    private static LoggingTransferListener transferListener = new LoggingTransferListener();

    private static LoggingRepositoryListener repositoryListener = new LoggingRepositoryListener();

    public static RepositorySystem getRepositorySystem() {
        if (system == null) {
            system = newRepositorySystem();
        }
        return system;
    }

    private static RepositorySystem newRepositorySystem() {
        final Module app = Main.wire(BeanScanning.INDEX, new Module() {
            public void configure(final Binder binder) {
                binder.install(new LifecycleModule());
                binder.bind(ParameterKeys.PROPERTIES).toInstance(System.getProperties());
            }
        });
        return Guice.createInjector(app).getInstance(DefaultRepositorySystem.class);
    }

    public static DefaultRepositorySystemSession getRepositorySystemSession(
            RepositorySystem system, File localRepoPath) {
        if (session == null) {
            session = newRepositorySystemSession(system, localRepoPath);
        }
        return session;
    }

    private static DefaultRepositorySystemSession newRepositorySystemSession(
            RepositorySystem system, File localRepoPath) {
        DefaultRepositorySystemSession newSession = MavenRepositorySystemUtils.newSession();

        LocalRepository localRepo = new LocalRepository(localRepoPath);
        newSession.setLocalRepositoryManager(system.newLocalRepositoryManager(newSession, localRepo));

        newSession.setTransferListener(getTransferListener());
        newSession.setRepositoryListener(repositoryListener);

        return newSession;
    }

    public static LoggingTransferListener getTransferListener() {
        return transferListener;
    }
}