activity/streams/gen_json_resolver.go
2019-09-13 22:49:56 +02:00

855 行
30 KiB
Go

package streams
import (
"context"
"errors"
"fmt"
vocab "github.com/go-fed/activity/streams/vocab"
"strings"
)
// JSONResolver resolves a JSON-deserialized map into its concrete ActivityStreams
// type
type JSONResolver struct {
callbacks []interface{}
}
// NewJSONResolver creates a new Resolver that takes a JSON-deserialized generic
// map and determines the correct concrete Go type. The callback function is
// guaranteed to receive a value whose underlying ActivityStreams type matches
// the concrete interface name in its signature. The callback functions must
// be of the form:
//
// func(context.Context, <TypeInterface>) error
//
// where TypeInterface is the code-generated interface for an ActivityStream
// type. An error is returned if a callback function does not match this
// signature.
func NewJSONResolver(callbacks ...interface{}) (*JSONResolver, error) {
for _, cb := range callbacks {
// Each callback function must satisfy one known function signature, or else we will generate a runtime error instead of silently fail.
switch cb.(type) {
case func(context.Context, vocab.ActivityStreamsAccept) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsActivity) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsAdd) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsAnnounce) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsApplication) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsArrive) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsArticle) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsAudio) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsBlock) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsCollection) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsCollectionPage) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsCreate) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsDelete) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsDislike) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsDocument) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsEvent) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsFlag) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsFollow) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsGroup) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsIgnore) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsImage) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsIntransitiveActivity) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsInvite) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsJoin) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsLeave) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsLike) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsLink) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsListen) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsMention) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsMove) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsNote) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsObject) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsOffer) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsOrderedCollection) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsOrderedCollectionPage) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsOrganization) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsPage) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsPerson) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsPlace) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsProfile) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsPublicKey) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsQuestion) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsRead) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsReject) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsRelationship) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsRemove) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsService) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsTentativeAccept) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsTentativeReject) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsTombstone) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsTravel) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsUndo) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsUpdate) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsVideo) error:
// Do nothing, this callback has a correct signature.
case func(context.Context, vocab.ActivityStreamsView) error:
// Do nothing, this callback has a correct signature.
default:
return nil, errors.New("a callback function is of the wrong signature and would never be called")
}
}
return &JSONResolver{callbacks: callbacks}, nil
}
// toAliasMap converts a JSONLD context into a map of vocabulary name to alias.
func toAliasMap(i interface{}) (m map[string]string) {
m = make(map[string]string)
toHttpHttpsFn := func(s string) (ok bool, http, https string) {
if strings.HasPrefix(s, "http://") {
ok = true
http = s
https = "https" + strings.TrimPrefix(s, "http")
} else if strings.HasPrefix(s, "https://") {
ok = true
https = s
http = "http" + strings.TrimPrefix(s, "https")
}
return
}
switch v := i.(type) {
case string:
// Single entry, no alias.
if ok, http, https := toHttpHttpsFn(v); ok {
m[http] = ""
m[https] = ""
} else {
m[v] = ""
}
case []interface{}:
// Recursively apply.
for _, elem := range v {
r := toAliasMap(elem)
for k, val := range r {
m[k] = val
}
}
case map[string]interface{}:
// Map any aliases.
for k, val := range v {
// Only handle string aliases.
switch conc := val.(type) {
case string:
m[k] = conc
}
}
}
return
}
// Resolve determines the ActivityStreams type of the payload, then applies the
// first callback function whose signature accepts the ActivityStreams value's
// type. This strictly assures that the callback function will only be passed
// ActivityStream objects whose type matches its interface. Returns an error
// if the ActivityStreams type does not match callbackers or is not a type
// handled by the generated code. If multiple types are present, it will check
// each one in order and apply only the first one. It returns an unhandled
// error for a multi-typed object if none of the types were able to be handled.
func (this JSONResolver) Resolve(ctx context.Context, m map[string]interface{}) error {
typeValue, ok := m["type"]
if !ok {
return fmt.Errorf("cannot determine ActivityStreams type: 'type' property is missing")
}
rawContext, ok := m["@context"]
if !ok {
return fmt.Errorf("cannot determine ActivityStreams type: '@context' is missing")
}
aliasMap := toAliasMap(rawContext)
// Begin: Private lambda to handle a single string "type" value. Makes code generation easier.
handleFn := func(typeString string) error {
ActivityStreamsAlias, ok := aliasMap["https://www.w3.org/ns/activitystreams"]
if !ok {
ActivityStreamsAlias, _ = aliasMap["http://www.w3.org/ns/activitystreams"]
}
if len(ActivityStreamsAlias) > 0 {
ActivityStreamsAlias += ":"
}
if typeString == ActivityStreamsAlias+"Accept" {
v, err := mgr.DeserializeAcceptActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsAccept) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Activity" {
v, err := mgr.DeserializeActivityActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsActivity) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Add" {
v, err := mgr.DeserializeAddActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsAdd) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Announce" {
v, err := mgr.DeserializeAnnounceActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsAnnounce) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Application" {
v, err := mgr.DeserializeApplicationActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsApplication) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Arrive" {
v, err := mgr.DeserializeArriveActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsArrive) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Article" {
v, err := mgr.DeserializeArticleActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsArticle) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Audio" {
v, err := mgr.DeserializeAudioActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsAudio) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Block" {
v, err := mgr.DeserializeBlockActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsBlock) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Collection" {
v, err := mgr.DeserializeCollectionActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsCollection) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"CollectionPage" {
v, err := mgr.DeserializeCollectionPageActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsCollectionPage) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Create" {
v, err := mgr.DeserializeCreateActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsCreate) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Delete" {
v, err := mgr.DeserializeDeleteActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsDelete) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Dislike" {
v, err := mgr.DeserializeDislikeActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsDislike) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Document" {
v, err := mgr.DeserializeDocumentActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsDocument) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Event" {
v, err := mgr.DeserializeEventActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsEvent) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Flag" {
v, err := mgr.DeserializeFlagActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsFlag) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Follow" {
v, err := mgr.DeserializeFollowActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsFollow) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Group" {
v, err := mgr.DeserializeGroupActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsGroup) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Ignore" {
v, err := mgr.DeserializeIgnoreActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsIgnore) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Image" {
v, err := mgr.DeserializeImageActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsImage) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"IntransitiveActivity" {
v, err := mgr.DeserializeIntransitiveActivityActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsIntransitiveActivity) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Invite" {
v, err := mgr.DeserializeInviteActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsInvite) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Join" {
v, err := mgr.DeserializeJoinActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsJoin) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Leave" {
v, err := mgr.DeserializeLeaveActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsLeave) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Like" {
v, err := mgr.DeserializeLikeActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsLike) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Link" {
v, err := mgr.DeserializeLinkActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsLink) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Listen" {
v, err := mgr.DeserializeListenActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsListen) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Mention" {
v, err := mgr.DeserializeMentionActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsMention) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Move" {
v, err := mgr.DeserializeMoveActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsMove) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Note" {
v, err := mgr.DeserializeNoteActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsNote) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Object" {
v, err := mgr.DeserializeObjectActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsObject) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Offer" {
v, err := mgr.DeserializeOfferActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsOffer) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"OrderedCollection" {
v, err := mgr.DeserializeOrderedCollectionActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsOrderedCollection) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"OrderedCollectionPage" {
v, err := mgr.DeserializeOrderedCollectionPageActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsOrderedCollectionPage) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Organization" {
v, err := mgr.DeserializeOrganizationActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsOrganization) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Page" {
v, err := mgr.DeserializePageActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsPage) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Person" {
v, err := mgr.DeserializePersonActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsPerson) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Place" {
v, err := mgr.DeserializePlaceActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsPlace) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Profile" {
v, err := mgr.DeserializeProfileActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsProfile) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"PublicKey" {
v, err := mgr.DeserializePublicKeyActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsPublicKey) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Question" {
v, err := mgr.DeserializeQuestionActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsQuestion) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Read" {
v, err := mgr.DeserializeReadActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsRead) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Reject" {
v, err := mgr.DeserializeRejectActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsReject) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Relationship" {
v, err := mgr.DeserializeRelationshipActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsRelationship) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Remove" {
v, err := mgr.DeserializeRemoveActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsRemove) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Service" {
v, err := mgr.DeserializeServiceActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsService) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"TentativeAccept" {
v, err := mgr.DeserializeTentativeAcceptActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsTentativeAccept) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"TentativeReject" {
v, err := mgr.DeserializeTentativeRejectActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsTentativeReject) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Tombstone" {
v, err := mgr.DeserializeTombstoneActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsTombstone) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Travel" {
v, err := mgr.DeserializeTravelActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsTravel) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Undo" {
v, err := mgr.DeserializeUndoActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsUndo) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Update" {
v, err := mgr.DeserializeUpdateActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsUpdate) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"Video" {
v, err := mgr.DeserializeVideoActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsVideo) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else if typeString == ActivityStreamsAlias+"View" {
v, err := mgr.DeserializeViewActivityStreams()(m, aliasMap)
if err != nil {
return err
}
for _, i := range this.callbacks {
if fn, ok := i.(func(context.Context, vocab.ActivityStreamsView) error); ok {
return fn(ctx, v)
}
}
return ErrNoCallbackMatch
} else {
return ErrUnhandledType
}
}
// End: Private lambda
if typeStr, ok := typeValue.(string); ok {
return handleFn(typeStr)
} else if typeIArr, ok := typeValue.([]interface{}); ok {
for _, typeI := range typeIArr {
if typeStr, ok := typeI.(string); ok {
if err := handleFn(typeStr); err == nil {
return nil
} else if err == ErrUnhandledType {
// Keep trying other types: only if all fail do we return this error.
continue
} else {
return err
}
}
}
return ErrUnhandledType
} else {
return ErrUnhandledType
}
}