AetherUtils.java

package org.bundlemaker.core.mvn.internal.config;

import java.io.File;
import java.util.LinkedList;
import java.util.List;

import org.apache.maven.settings.Profile;
import org.apache.maven.settings.Repository;
import org.apache.maven.settings.Settings;
import org.apache.maven.settings.building.DefaultSettingsBuilderFactory;
import org.apache.maven.settings.building.DefaultSettingsBuildingRequest;
import org.apache.maven.settings.building.SettingsBuilder;
import org.apache.maven.settings.building.SettingsBuildingException;
import org.bundlemaker.core.mvn.MvnCoreActivator;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.IScopeContext;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.sonatype.aether.repository.RemoteRepository;

/**
 * <p>
 * <ul>
 * <li>The Maven install: $M2_HOME/conf/settings.xml</li>
 * <li>A user's install: ${user.home}/.m2/settings.xml</li>
 * </ul>
 * </p>
 * 
 * @author Gerd Wütherich (gerd@gerd-wuetherich.de)
 */
public class AetherUtils {

  /**
   * <p>
   * </p>
   * 
   * @param settings
   * @return
   */
  public static List<RemoteRepository> getRemoteRepositories(Settings settings) {

    //
    List<RemoteRepository> result = new LinkedList<RemoteRepository>();

    //
    List<String> activeProfiles = settings.getActiveProfiles();

    //
    for (Profile profile : settings.getProfiles()) {
      if (activeProfiles.contains(profile.getId())) {
        for (Repository repository : profile.getRepositories()) {
          RemoteRepository remoteRepository = AetherUtils.getRemoteRepository(repository);
          result.add(remoteRepository);
        }
      }
    }

    //
    return result;
  }

  /**
   * <p>
   * </p>
   * 
   * @param repository
   */
  public static RemoteRepository getRemoteRepository(Repository repository) {

    RemoteRepository remoteRepository;
    remoteRepository = new RemoteRepository();
    remoteRepository.setId(repository.getId());
    remoteRepository.setUrl(repository.getUrl());
    remoteRepository.setContentType(repository.getLayout());
    remoteRepository.setPolicy(true, new org.sonatype.aether.repository.RepositoryPolicy(repository
        .getSnapshots().isEnabled(), repository.getSnapshots().getUpdatePolicy(), repository.getSnapshots()
        .getChecksumPolicy()));
    remoteRepository.setPolicy(false, new org.sonatype.aether.repository.RepositoryPolicy(repository
        .getReleases().isEnabled(), repository.getReleases().getUpdatePolicy(), repository.getReleases()
        .getChecksumPolicy()));

    return remoteRepository;
  }

  // /**
  // * <p>
  // * </p>
  // *
  // * @return
  // */
  // public static File getGlobalSettings()
  // {
  // String mavenHome = getMavenHome();
  // if (mavenHome != null)
  // {
  // return new File(new File(mavenHome, "conf"), MvnCoreActivator.SETTINGS_XML);
  // }
  //
  // return null;
  // }

  /**
   * <p>
   * </p>
   * 
   * @return
   */
  public static String getMavenHome()
  {
    return System.getenv("M2_HOME");
  }

  // /**
  // * <p>
  // * </p>
  // *
  // * @return
  // */
  // public static File getDefaultUserSettings()
  // {
  // // user home
  // File userHome = new File(System.getProperty("user.home"));
  //
  // //
  // File result = new File(new File(userHome, ".m2"), MvnCoreActivator.SETTINGS_XML);
  //
  // //
  // return result.isFile() ? result : null;
  // }

  /**
   * <p>
   * </p>
   * 
   * @param key
   * @return
   */
  public static File readPreferenceAndConvertToFile(String key, IEclipsePreferences preferences) {

    //
    Assert.isNotNull(key);
    Assert.isNotNull(preferences);

    //
    if (preferences != null) {

      //
      String value = preferences.get(key, null);

      //
      return value != null ? new File(value) : null;
    }

    //
    return null;
  }
}