{
  "@context": "https://linkedsoftwaredependencies.org/bundles/npm/@solid/community-server/^6.0.0/components/context.jsonld",
  "@graph": [
    {
      "comment": "Caches the requested modes based on the incoming operation.",
      "@id": "urn:solid-server:default:ModesExtractor",
      "@type": "CachedHandler",
      "source" : {
        "comment": "Checks if an operation on a resource requires permissions on intermediate resources (such as newly created parent containers).",
        "@type": "IntermediateCreateExtractor",
        "resourceSet": { "@id": "urn:solid-server:default:CachedResourceSet" },
        "strategy": { "@id": "urn:solid-server:default:IdentifierStrategy" },
        "source": { "@id": "urn:solid-server:default:HttpModesExtractor" },
      }
    },
    {
      "comment": "Determines required modes based on HTTP methods.",
      "@id": "urn:solid-server:default:HttpModesExtractor",
      "@type": "WaterfallHandler",
      "handlers": [
        {
          "comment": "Extract access modes for PATCH requests based on the request body.",
          "@id": "urn:solid-server:default:PatchModesExtractor"
        },
        {
          "comment": "Requires read permissions on parent container when deleting non-existent resource for correct status code.",
          "@type": "DeleteParentExtractor",
          "resourceSet": { "@id": "urn:solid-server:default:CachedResourceSet" },
          "identifierStrategy": { "@id": "urn:solid-server:default:IdentifierStrategy" },
          "source": {
            "comment": "Extract access modes based on the HTTP method.",
            "@type": "MethodModesExtractor",
            "resourceSet": { "@id": "urn:solid-server:default:CachedResourceSet" }
          }
        },
        {
          "@type": "StaticThrowHandler",
          "error": { "@type": "MethodNotAllowedHttpError" }
        }
      ]
    },
    {
      "@id": "urn:solid-server:default:PatchModesExtractor",
      "@type": "CreateModesExtractor",
      "resourceSet": { "@id": "urn:solid-server:default:CachedResourceSet" },
      "source": {
        "@type": "MethodFilterHandler",
        "methods": [ "PATCH" ],
        "source": {
          "@type": "WaterfallHandler",
          "handlers": [
            {
              "@type": "N3PatchModesExtractor",
              "resourceSet": { "@id": "urn:solid-server:default:CachedResourceSet" }
            },
            {
              "@type": "SparqlUpdateModesExtractor",
              "resourceSet": { "@id": "urn:solid-server:default:CachedResourceSet" }
            },
            {
              "@type": "StaticThrowHandler",
              "error": { "@type": "UnsupportedMediaTypeHttpError" }
            }
          ]
        }
      }
    }
  ]
}