[tip] Enable Maven Dependency Management

[qrtt1 (null)]

Hi,

各位版有好。最近剛好需要做一個功能，
建立自己的 Java Project 並自動啟用 Maven 相依性管理。
把目前由 mail list 上獲得的資訊與測試後可行的 code 整理如下：


/**
 * enable project maven dependency management
 * @param project the project must has pom.xml
 * @throws CoreException
 */
private void enableMavenDependencyManagement(IProject project)
    throws CoreException {
  ResolverConfiguration configuration = new ResolverConfiguration();
  configuration.setIncludeModules(false);
  configuration.setResolveWorkspaceProjects(true);
  configuration.setActiveProfiles("");

  boolean hasMavenNature = project.hasNature(IMavenConstants.NATURE_ID);

  IProjectConfigurationManager configurationManager = MavenPlugin
      .getDefault().getProjectConfigurationManager();

  configurationManager.enableMavenNature(project, configuration,
      UIUtilz.NULL_PROGRESS_MONITOR);
  if (!hasMavenNature) {
    configurationManager.updateProjectConfiguration(project,
        configuration, MavenPlugin.getDefault()
            .getMavenRuntimeManager().getGoalOnUpdate(),
        new NullProgressMonitor());
  }
}

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