package com.atlassian.plugins.rest.common.security.jersey;
   
   import com.google.common.base.Preconditions;
   import com.sun.jersey.api.model.AbstractMethod;
   import com.sun.jersey.spi.container.ResourceFilter;
   import com.sun.jersey.spi.container.ResourceFilterFactory;
   import com.atlassian.plugins.rest.common.security.AuthenticationContext;
   
   import javax.ws.rs.ext.Provider;
  import java.util.Collections;
  import java.util.List;
  
  /**
   * A {@link ResourceFilterFactory} that checks whether the client is authenticated or not.
   * <p>
   *
   * @see AuthenticatedResourceFilter
   */
  @Provider
  public class AuthenticatedResourceFilterFactory implements ResourceFilterFactory {
      private final AuthenticationContext authenticationContext;
  
      public AuthenticatedResourceFilterFactory(final AuthenticationContext authenticationContext) {
          this.authenticationContext = Preconditions.checkNotNull(authenticationContext);
      }
  
      public List<ResourceFilter> create(AbstractMethod abstractMethod) {
          return Collections.<ResourceFilter>singletonList(new AuthenticatedResourceFilter(abstractMethod, authenticationContext));
      }
  }