io.provis.maven.MavenProvisioner Maven / Gradle / Ivy

Go to download
/**
 * Copyright (c) 2016 Takari, 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
 */
package io.provis.maven;

import java.io.File;
import java.io.IOException;

import javax.inject.Named;

import io.provis.SimpleProvisioner;

@Named
public class MavenProvisioner extends SimpleProvisioner {

  public File provision(String mavenVersion, File installDirectory) throws IOException {
    if (mavenVersion == null || mavenVersion.length() <= 0) {
      throw new IllegalArgumentException("Maven version not specified");
    }

    File mvn = new File(installDirectory, "bin/mvn");
    // If we're working with snapshot versions re-provision
    if (mvn.exists() && !mavenVersion.contains("SNAPSHOT")) {
      return installDirectory;
    }

    File archive;
    if (mavenVersion.contains(":")) {
      // We have a coordinate
      archive = resolveFromRepository(mavenVersion);
    } else {
      archive = resolveFromRepository("org.apache.maven:apache-maven:zip:bin:" + mavenVersion);
    }

    installDirectory.mkdirs();
    if (!installDirectory.isDirectory()) {
      throw new IllegalStateException("Could not create Maven install directory " + installDirectory);
    }

    unarchiver.unarchive(archive, installDirectory);

    if (!mvn.isFile()) {
      throw new IllegalStateException("Unpacking of Maven distro failed");
    }
    mvn.setExecutable(true);

    return installDirectory;
  }
}