How to use org.jboss.forge.addon.configuration

  public static boolean isInstalled(Configuration configuration)
  {
   return configuration.containsKey(PROJECT_NAME_KEY);
  }
}

@Override
public String removeDirectProperty(String name)
{
 Configuration subset = getConfiguration().subset(PROPERTIES_SUBSET_KEY);
 String value = subset.getString(name);
 subset.clearProperty(name);
 return value;
}

@Override
public MetadataFacet setDirectProperty(String name, String value)
{
 Configuration subset = getConfiguration().subset(PROPERTIES_SUBSET_KEY);
 subset.setProperty(name, value);
 return this;
}

@Override
public String getProjectGroupName()
{
 return getConfiguration().getString(PROJECT_GROUP_NAME_KEY);
}

@Override
public MetadataFacet setProjectVersion(String version)
{
 getConfiguration().setProperty(PROJECT_VERSION_KEY, version);
 return this;
}

public String remoteRepository()
{
 Configuration user = userConfig();
 if (user.containsKey(REPOSITORY_KEY))
 {
   return user.getString(REPOSITORY_KEY);
 }
 return defaultRemoteRepository();
}

protected Configuration getConfiguration()
{
 return SimpleContainer.getServices(getClass().getClassLoader(), Configuration.class).get()
      .subset("maven.archetypes");
}

@Override
public Result execute(UIExecutionContext context) throws Exception
{
 getConfiguration().clearProperty(named.getValue());
 getArchetypeCatalogFactoryRegistry().removeArchetypeCatalogFactory(named.getValue());
 return Results.success();
}

private Configuration userConfig()
{
 return getConfigFactory().getUserConfiguration();
}

@Override
public String getProjectName()
{
 return getConfiguration().getString(PROJECT_NAME_KEY);
}

@Override
public MetadataFacet setProjectName(String name)
{
 getConfiguration().setProperty(PROJECT_NAME_KEY, name);
 return this;
}

public File localRepository()
{
 Configuration user = userConfig();
 if (user.containsKey(CLONE_LOCATION_KEY))
 {
   return new File(user.getString(CLONE_LOCATION_KEY));
 }
 return defaultLocalRepository();
}

private Configuration getArchetypeConfiguration()
{
 return SimpleContainer.getServices(getClass().getClassLoader(), Configuration.class).get()
      .subset("maven.archetypes");
}

public CommandLineUtil(AddonRegistry addonRegistry)
{
 this.converterFactory = addonRegistry.getServices(ConverterFactory.class).get();
 ConfigurationFactory configFactory = addonRegistry.getServices(ConfigurationFactory.class).get();
 this.userConfig = configFactory.getUserConfiguration();
}

@Override
public String getProjectVersion()
{
 return getConfiguration().getString(PROJECT_VERSION_KEY);
}

@Override
public MetadataFacet setProjectGroupName(String groupId)
{
 getConfiguration().setProperty(PROJECT_GROUP_NAME_KEY, groupId);
 return this;
}

private String getTargetDir()
{
 String target = this.config.getString(FacesScaffoldProvider.class.getName() + "_targetDir");
 target = Strings.isNullOrEmpty(target) ? "" : target;
 if (!target.startsWith("/"))
 {
   target = "/" + target;
 }
 if (target.endsWith("/"))
 {
   target = target.substring(0, target.length() - 1);
 }
 return target;
}

public void setLocalRepository(String location)
{
 userConfig().setProperty(CLONE_LOCATION_KEY, location);
}

  public String toOptionName(String name)
  {
   String optionNameStyle = userConfig.getString(OPTION_STYLE_PROPERTY, DASHED_OPTION_STYLE);
   return DASHED_OPTION_STYLE.equals(optionNameStyle)
        ? ShellUtil.shellifyOptionNameDashed(name)
        : ShellUtil.shellifyOptionName(name);

  }
}

public void setRemoteRepository(String repoUrl)
{
 userConfig().setProperty(REPOSITORY_KEY, repoUrl);
}