package com.atlassian.plugins.rest.module;
   
   import com.atlassian.plugin.ModuleDescriptor;
   import com.atlassian.plugin.PluginParseException;
   import com.atlassian.plugin.hostcontainer.HostContainer;
   import com.atlassian.plugin.module.ModuleFactory;
   import com.atlassian.plugin.osgi.external.SingleModuleDescriptorFactory;
   import com.atlassian.plugins.rest.module.servlet.RestServletModuleManager;
   import com.google.common.base.Preconditions;
  
  /**
   * Module descriptor factory for REST module descriptors.
   */
  public class RestModuleDescriptorFactory extends SingleModuleDescriptorFactory<RestModuleDescriptor> {
      private final RestServletModuleManager servletModuleManager;
  
      private final ModuleFactory moduleFactory;
      private final String restContextPath;
  
      public RestModuleDescriptorFactory(HostContainer hostContainer, ModuleFactory moduleFactory, RestServletModuleManager servletModuleManager, String restContextPath) {
          super(Preconditions.checkNotNull(hostContainer), "rest", RestModuleDescriptor.class);
          this.moduleFactory = moduleFactory;
          this.servletModuleManager = Preconditions.checkNotNull(servletModuleManager);
          this.restContextPath = Preconditions.checkNotNull(restContextPath);
      }
  
      @Override
      public ModuleDescriptor getModuleDescriptor(String type) throws PluginParseException, IllegalAccessException, InstantiationException, ClassNotFoundException {
          return hasModuleDescriptor(type) ? new RestModuleDescriptor(moduleFactory, servletModuleManager, restContextPath) : null;
      }
  }