googleapi

package
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 Go to latest Published: Mar 12, 2024 License: BSD-3-Clause Imports: 11 Imported by: 0

Documentation

Overview

Package googleapi contains the common code shared by all Google API libraries.

Index

Constants

View Source 
const (
	// Version defines the gax version being used. This is typically sent
	// in an HTTP header to services.
	Version = "0.5"

	// UserAgent is the header string used to identify this package.
	UserAgent = "google-api-go-client/" + Version

	// DefaultUploadChunkSize is the default chunk size to use for resumable
	// uploads if not specified by the user.
	DefaultUploadChunkSize = 16 * 1024 * 1024

	// MinUploadChunkSize is the minimum chunk size that can be used for
	// resumable uploads.  All user-specified chunk sizes must be multiple of
	// this value.
	MinUploadChunkSize = 256 * 1024
)

Variables

View Source 
var WithDataWrapper = MarshalStyle(true)

WithDataWrapper marshals JSON with a {"data": ...} wrapper.

View Source 
var WithoutDataWrapper = MarshalStyle(false)

WithoutDataWrapper marshals JSON without a {"data": ...} wrapper.

Functions

func Bool 

func Bool(v bool) *bool

Bool is a helper routine that allocates a new bool value to store v and returns a pointer to it.

func CheckMediaResponse 

func CheckMediaResponse(res *http.Response) error

CheckMediaResponse returns an error (of type *Error) if the response status code is not 2xx. Unlike CheckResponse it does not assume the body is a JSON error document. It is the caller's responsibility to close res.Body.

func CheckResponse 

func CheckResponse(res *http.Response) error

CheckResponse returns an error (of type *Error) if the response status code is not 2xx.

func CloseBody 

func CloseBody(res *http.Response)

CloseBody is used to close res.Body. Prior to calling Close, it also tries to Read a small amount to see an EOF. Not seeing an EOF can prevent HTTP Transports from reusing connections.

func CombineFields 

func CombineFields(s []Field) string

CombineFields combines fields into a single string.

func ConvertVariant 

func ConvertVariant(v map[string]interface{}, dst interface{}) bool

ConvertVariant uses the JSON encoder/decoder to fill in the struct 'dst' with the fields found in variant 'v'. This is used to support "variant" APIs that can return one of a number of different types. It reports whether the conversion was successful.

func Expand 

func Expand(u *url.URL, expansions map[string]string)

Expand subsitutes any {encoded} strings in the URL passed in using the map supplied.

This calls SetOpaque to avoid encoding of the parameters in the URL path.

func Float64 

func Float64(v float64) *float64

Float64 is a helper routine that allocates a new float64 value to store v and returns a pointer to it.

func Int32 

func Int32(v int32) *int32

Int32 is a helper routine that allocates a new int32 value to store v and returns a pointer to it.

func Int64 

func Int64(v int64) *int64

Int64 is a helper routine that allocates a new int64 value to store v and returns a pointer to it.

func IsNotModified 

func IsNotModified(err error) bool

IsNotModified reports whether err is the result of the server replying with http.StatusNotModified. Such error values are sometimes returned by "Do" methods on calls when If-None-Match is used.

func ResolveRelative 

func ResolveRelative(basestr, relstr string) string

ResolveRelative resolves relatives such as "http://www.golang.org/" and "topics/myproject/mytopic" into a single string, such as "http://www.golang.org/topics/myproject/mytopic". It strips all parent references (e.g. ../..) as well as anything after the host (e.g. /bar/gaz gets stripped out of foo.com/bar/gaz).

ResolveRelative panics if either basestr or relstr is not able to be parsed.

func String 

func String(v string) *string

String is a helper routine that allocates a new string value to store v and returns a pointer to it.

func Uint32 

func Uint32(v uint32) *uint32

Uint32 is a helper routine that allocates a new uint32 value to store v and returns a pointer to it.

func Uint64 

func Uint64(v uint64) *uint64

Uint64 is a helper routine that allocates a new uint64 value to store v and returns a pointer to it.

func VariantType 

func VariantType(t map[string]interface{}) string

VariantType returns the type name of the given variant. If the map doesn't contain the named key or the value is not a []interface{}, "" is returned. This is used to support "variant" APIs that can return one of a number of different types.

Types

type CallOption 

type CallOption interface {
	Get() (key, value string)
}

A CallOption is an optional argument to an API call. It should be treated as an opaque value by users of Google APIs.

A CallOption is something that configures an API call in a way that is not specific to that API; for instance, controlling the quota user for an API call is common across many APIs, and is thus a CallOption.

func QueryParameter 

func QueryParameter(key string, values ...string) CallOption

QueryParameter allows setting the value(s) of an arbitrary key.

func QuotaUser 

func QuotaUser(u string) CallOption

QuotaUser returns a CallOption that will set the quota user for a call. The quota user can be used by server-side applications to control accounting. It can be an arbitrary string up to 40 characters, and will override UserIP if both are provided.

func Trace 

func Trace(traceToken string) CallOption

Trace returns a CallOption that enables diagnostic tracing for a call. traceToken is an ID supplied by Google support.

func UserIP 

func UserIP(ip string) CallOption

UserIP returns a CallOption that will set the "userIp" parameter of a call. This should be the IP address of the originating request.

type ContentTyper 

type ContentTyper interface {
	ContentType() string
}

ContentTyper is an interface for Readers which know (or would like to override) their Content-Type. If a media body doesn't implement ContentTyper, the type is sniffed from the content using http.DetectContentType.

type Error 

type Error struct {
	// Code is the HTTP response status code and will always be populated.
	Code int `json:"code"`
	// Message is the server response message and is only populated when
	// explicitly referenced by the JSON server response.
	Message string `json:"message"`
	// Details provide more context to an error.
	Details []interface{} `json:"details"`
	// Body is the raw response returned by the server.
	// It is often but not always JSON, depending on how the request fails.
	Body string
	// Header contains the response header fields from the server.
	Header http.Header

	Errors []ErrorItem
	// contains filtered or unexported fields
}

Error contains an error response from the server.

func (*Error) Error 

func (e *Error) Error() string

func (*Error) Unwrap 

func (e *Error) Unwrap() error

func (*Error) Wrap 

func (e *Error) Wrap(err error)

Wrap allows an existing Error to wrap another error. See also Error.Unwrap.

type ErrorItem 

type ErrorItem struct {
	// Reason is the typed error code. For example: "some_example".
	Reason string `json:"reason"`
	// Message is the human-readable description of the error.
	Message string `json:"message"`
}

ErrorItem is a detailed error code & message from the Google API frontend.

type Field 

type Field string

A Field names a field to be retrieved with a partial response. https://cloud.google.com/storage/docs/json_api/v1/how-tos/performance

Partial responses can dramatically reduce the amount of data that must be sent to your application. In order to request partial responses, you can specify the full list of fields that your application needs by adding the Fields option to your request.

Field strings use camelCase with leading lower-case characters to identify fields within the response.

For example, if your response has a "NextPageToken" and a slice of "Items" with "Id" fields, you could request just those fields like this: 

svc.Events.List().Fields("nextPageToken", "items/id").Do()

or if you were also interested in each Item's "Updated" field, you can combine them like this: 

svc.Events.List().Fields("nextPageToken", "items(id,updated)").Do()

Another way to find field names is through the Google API explorer: https://developers.google.com/apis-explorer/#p/

type Float64s 

type Float64s []float64

Float64s is a slice of float64s that marshal as quoted strings in JSON.

func (Float64s) MarshalJSON 

func (q Float64s) MarshalJSON() ([]byte, error)

func (*Float64s) UnmarshalJSON 

func (q *Float64s) UnmarshalJSON(raw []byte) error

type Int32s 

type Int32s []int32

Int32s is a slice of int32s that marshal as quoted strings in JSON.

func (Int32s) MarshalJSON 

func (q Int32s) MarshalJSON() ([]byte, error)

func (*Int32s) UnmarshalJSON 

func (q *Int32s) UnmarshalJSON(raw []byte) error

type Int64s 

type Int64s []int64

Int64s is a slice of int64s that marshal as quoted strings in JSON.

func (Int64s) MarshalJSON 

func (q Int64s) MarshalJSON() ([]byte, error)

func (*Int64s) UnmarshalJSON 

func (q *Int64s) UnmarshalJSON(raw []byte) error

type MarshalStyle 

type MarshalStyle bool

MarshalStyle defines whether to marshal JSON with a {"data": ...} wrapper.

func (MarshalStyle) JSONReader 

func (wrap MarshalStyle) JSONReader(v interface{}) (io.Reader, error)

type MediaOption 

type MediaOption interface {
	// contains filtered or unexported methods
}

MediaOption defines the interface for setting media options.

func ChunkRetryDeadline 

func ChunkRetryDeadline(deadline time.Duration) MediaOption

ChunkRetryDeadline returns a MediaOption which sets a per-chunk retry deadline. If a single chunk has been attempting to upload for longer than this time and the request fails, it will no longer be retried, and the error will be returned to the caller. This is only applicable for files which are large enough to require a multi-chunk resumable upload. The default value is 32s. To set a deadline on the entire upload, use context timeout or cancellation.

func ChunkSize 

func ChunkSize(size int) MediaOption

ChunkSize returns a MediaOption which sets the chunk size for media uploads. size will be rounded up to the nearest multiple of 256K. Media which contains fewer than size bytes will be uploaded in a single request. Media which contains size bytes or more will be uploaded in separate chunks. If size is zero, media will be uploaded in a single request.

func ContentType 

func ContentType(ctype string) MediaOption

ContentType returns a MediaOption which sets the Content-Type header for media uploads. If ctype is empty, the Content-Type header will be omitted.

type MediaOptions 

type MediaOptions struct {
	ContentType           string
	ForceEmptyContentType bool
	ChunkSize             int
	ChunkRetryDeadline    time.Duration
}

MediaOptions stores options for customizing media upload. It is not used by developers directly.

func ProcessMediaOptions 

func ProcessMediaOptions(opts []MediaOption) *MediaOptions

ProcessMediaOptions stores options from opts in a MediaOptions. It is not used by developers directly.

type MultiCallOption 

type MultiCallOption interface {
	CallOption
	GetMulti() (key string, value []string)
}

A MultiCallOption is an option argument to an API call and can be passed anywhere a CallOption is accepted. It additionally supports returning a slice of values for a given key.

type ProgressUpdater 

type ProgressUpdater func(current, total int64)

ProgressUpdater is a function that is called upon every progress update of a resumable upload. This is the only part of a resumable upload (from googleapi) that is usable by the developer. The remaining usable pieces of resumable uploads is exposed in each auto-generated API.

type RawMessage 

type RawMessage []byte

RawMessage is a raw encoded JSON value. It is identical to json.RawMessage, except it does not suffer from https://golang.org/issue/14493.

func (RawMessage) MarshalJSON 

func (m RawMessage) MarshalJSON() ([]byte, error)

MarshalJSON returns m.

func (*RawMessage) UnmarshalJSON 

func (m *RawMessage) UnmarshalJSON(data []byte) error

UnmarshalJSON sets *m to a copy of data.

type ServerResponse 

type ServerResponse struct {
	// HTTPStatusCode is the server's response status code. When using a
	// resource method's Do call, this will always be in the 2xx range.
	HTTPStatusCode int
	// Header contains the response header fields from the server.
	Header http.Header
}

ServerResponse is embedded in each Do response and provides the HTTP status code and header sent by the server.

type SizeReaderAt 

type SizeReaderAt interface {
	io.ReaderAt
	Size() int64
}

A SizeReaderAt is a ReaderAt with a Size method. An io.SectionReader implements SizeReaderAt.

type Uint32s 

type Uint32s []uint32

Uint32s is a slice of uint32s that marshal as quoted strings in JSON.

func (Uint32s) MarshalJSON 

func (q Uint32s) MarshalJSON() ([]byte, error)

func (*Uint32s) UnmarshalJSON 

func (q *Uint32s) UnmarshalJSON(raw []byte) error

type Uint64s 

type Uint64s []uint64

Uint64s is a slice of uint64s that marshal as quoted strings in JSON.

func (Uint64s) MarshalJSON 

func (q Uint64s) MarshalJSON() ([]byte, error)

func (*Uint64s) UnmarshalJSON 

func (q *Uint64s) UnmarshalJSON(raw []byte) error

Source Files

View all Source files

Directories

Path Synopsis
Package transport contains HTTP transports used to make authenticated API requests.
 Package transport contains HTTP transports used to make authenticated API requests.

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