package com.atlassian.plugin;
   
   import com.google.common.collect.ImmutableSet;
   
   import static com.google.common.base.Preconditions.checkNotNull;
   
   /**
    * Copied from remotable, remove when integrated!
    */
  public final class Permissions
  {
      // represents all the permissions in one. This is useful for plugins before version 3 which by default require all
      // permissions
      public static final String ALL_PERMISSIONS = "all_permissions";
  
      // code execution
      public static final String EXECUTE_JAVA = "execute_java";
  
      // sandbox escaping
      public static final String GENERATE_ANY_HTML = "generate_any_html";
  
      private Permissions()
      {
      }
  
      public static Plugin addPermission(Plugin plugin, String permission, InstallationMode mode)
      {
          checkNotNull(plugin);
  
          getPluginInformation(plugin).setPermissions(
                  ImmutableSet.<PluginPermission>builder()
                          .addAll(getPluginInformation(plugin).getPermissions())
                          .add(new PluginPermission(permission, mode))
                          .build());
          return plugin;
       }
  
      private static PluginInformation getPluginInformation(Plugin plugin)
      {
          final PluginInformation pluginInformation;
          if (plugin.getPluginInformation() != null)
          {
              pluginInformation = plugin.getPluginInformation();
          }
          else
          {
              pluginInformation = new PluginInformation();
          }
          return pluginInformation;
      }
  }