api

package
v0.9.14-0...-d3b6d25 Latest Latest
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 Go to latest Published: Jun 14, 2016 License: Apache-2.0 Imports: 13 Imported by: 0

Documentation

Overview

Package api represents API abstractions for rendering service generated files.

Index

Constants

View Source 
const (
	// ShapeValidationRequired states the shape must be set
	ShapeValidationRequired = iota

	// ShapeValidationMinVal states the shape must have at least a number of
	// elements, or for numbers a minimum value
	ShapeValidationMinVal

	// ShapeValidationNested states the shape has nested values that need
	// to be validated
	ShapeValidationNested
)

Variables

This section is empty.

Functions

func ParamsStructFromJSON 

func ParamsStructFromJSON(value interface{}, shape *Shape, prefixPackageName bool) string

ParamsStructFromJSON returns a JSON string representation of a structure.

Types

type API 

type API struct {
	Metadata      Metadata
	Operations    map[string]*Operation
	Shapes        map[string]*Shape
	Waiters       []Waiter
	Documentation string

	// Set to true to avoid removing unused shapes
	NoRemoveUnusedShapes bool

	// Set to true to avoid renaming to 'Input/Output' postfixed shapes
	NoRenameToplevelShapes bool

	// Set to true to ignore service/request init methods (for testing)
	NoInitMethods bool

	// Set to true to ignore String() and GoString methods (for generated tests)
	NoStringerMethods bool

	// Set to true to not generate API service name constants
	NoConstServiceNames bool

	// Set to true to not generate validation shapes
	NoValidataShapeMethods bool

	SvcClientImportPath string
	// contains filtered or unexported fields
}

An API defines a service API's definition. and logic to serialize the definition.

func Load 

func Load(api, docs, paginators, waiters string) *API

Load takes a set of files for each filetype and returns an API pointer. The API will be initialized once all files have been loaded and parsed.

Will panic if any failure opening the definition JSON files, or there are unrecognized exported names.

func (*API) APIGoCode 

func (a *API) APIGoCode() string

APIGoCode renders the API in Go code. Returning it as a string

func (*API) Attach 

func (a *API) Attach(filename string)

Attach opens a file by name, and unmarshal its JSON data. Will proceed to setup the API if not already done so.

func (*API) AttachDocs 

func (a *API) AttachDocs(filename string)

AttachDocs attaches documentation from a JSON filename.

func (*API) AttachPaginators 

func (a *API) AttachPaginators(filename string)

AttachPaginators attaches pagination configuration from filename to the API.

func (*API) AttachString 

func (a *API) AttachString(str string)

AttachString will unmarshal a raw JSON string, and setup the API if not already done so.

func (*API) AttachWaiters 

func (a *API) AttachWaiters(filename string)

AttachWaiters reads a file of waiter definitions, and adds those to the API. Will panic if an error occurs.

func (*API) ExampleGoCode 

func (a *API) ExampleGoCode() string

ExampleGoCode renders service example code. Returning it as a string.

func (*API) ExportableName 

func (a *API) ExportableName(name string) string

ExportableName a name which is exportable as a value or name in Go code

func (*API) InterfaceGoCode 

func (a *API) InterfaceGoCode() string

InterfaceGoCode returns the go code for the service's API operations as an interface{}. Assumes that the interface is being created in a different package than the service API's package.

func (*API) InterfacePackageName 

func (a *API) InterfacePackageName() string

InterfacePackageName returns the package name for the interface.

func (*API) NewAPIGoCodeWithPkgName 

func (a *API) NewAPIGoCodeWithPkgName(cfg string) string

NewAPIGoCodeWithPkgName returns a string of instantiating the API prefixed with its package name. Takes a string depicting the Config.

func (*API) NiceName 

func (a *API) NiceName() string

NiceName returns the human friendly API name.

func (*API) OperationHasOutputPlaceholder 

func (a *API) OperationHasOutputPlaceholder() bool

OperationHasOutputPlaceholder returns if any of the API operation input or output shapes are place holders.

func (*API) OperationList 

func (a *API) OperationList() []*Operation

OperationList returns a slice of API operation pointers

func (*API) OperationNames 

func (a *API) OperationNames() []string

OperationNames returns a slice of API operations supported.

func (*API) PackageName 

func (a *API) PackageName() string

PackageName name of the API package

func (*API) ProtocolPackage 

func (a *API) ProtocolPackage() string

ProtocolPackage returns the package name of the protocol this API uses.

func (*API) ServiceGoCode 

func (a *API) ServiceGoCode() string

ServiceGoCode renders service go code. Returning it as a string.

func (*API) Setup 

func (a *API) Setup()

Setup initializes the API.

func (*API) ShapeList 

func (a *API) ShapeList() []*Shape

ShapeList returns a slice of shape pointers used by the API.

func (*API) ShapeNames 

func (a *API) ShapeNames() []string

ShapeNames returns a slice of names for each shape used by the API.

func (*API) StructName 

func (a *API) StructName() string

StructName returns the struct name for a given API.

func (*API) UseInitMethods 

func (a *API) UseInitMethods() bool

UseInitMethods returns if the service's init method should be rendered.

func (*API) WaitersGoCode 

func (a *API) WaitersGoCode() string

WaitersGoCode generates and returns Go code for each of the waiters of this API.

type HTTPInfo 

type HTTPInfo struct {
	Method       string
	RequestURI   string
	ResponseCode uint
}

A HTTPInfo defines the method of HTTP request for the Operation.

type Metadata 

type Metadata struct {
	APIVersion          string
	EndpointPrefix      string
	SigningName         string
	ServiceAbbreviation string
	ServiceFullName     string
	SignatureVersion    string
	JSONVersion         string
	TargetPrefix        string
	Protocol            string
}

A Metadata is the metadata about an API's definition.

type Operation 

type Operation struct {
	API           *API `json:"-"`
	ExportedName  string
	Name          string
	Documentation string
	HTTP          HTTPInfo
	InputRef      ShapeRef `json:"input"`
	OutputRef     ShapeRef `json:"output"`
	Paginator     *Paginator
	Deprecated    bool   `json:"deprecated"`
	AuthType      string `json:"authtype"`
}

An Operation defines a specific API Operation.

func (*Operation) Example 

func (o *Operation) Example() string

Example returns a string of the rendered Go code for the Operation

func (*Operation) ExampleInput 

func (o *Operation) ExampleInput() string

ExampleInput return a string of the rendered Go code for an example's input parameters

func (*Operation) GoCode 

func (o *Operation) GoCode() string

GoCode returns a string of rendered GoCode for this Operation

func (*Operation) HasInput 

func (o *Operation) HasInput() bool

HasInput returns if the Operation accepts an input paramater

func (*Operation) HasOutput 

func (o *Operation) HasOutput() bool

HasOutput returns if the Operation accepts an output parameter

func (*Operation) InterfaceSignature 

func (o *Operation) InterfaceSignature() string

InterfaceSignature returns a string representing the Operation's interface{} functional signature.

type Paginator 

type Paginator struct {
	InputTokens  interface{} `json:"input_token"`
	OutputTokens interface{} `json:"output_token"`
	LimitKey     string      `json:"limit_key"`
	MoreResults  string      `json:"more_results"`
}

Paginator keeps track of pagination configuration for an API operation.

func (*Paginator) InputTokensString 

func (p *Paginator) InputTokensString() string

InputTokensString returns output tokens formatted as a list

func (*Paginator) OutputTokensString 

func (p *Paginator) OutputTokensString() string

OutputTokensString returns output tokens formatted as a list

type Shape 

type Shape struct {
	API              *API `json:"-"`
	ShapeName        string
	Documentation    string
	MemberRefs       map[string]*ShapeRef `json:"members"`
	MemberRef        ShapeRef             `json:"member"`
	KeyRef           ShapeRef             `json:"key"`
	ValueRef         ShapeRef             `json:"value"`
	Required         []string
	Payload          string
	Type             string
	Exception        bool
	Enum             []string
	EnumConsts       []string
	Flattened        bool
	Streaming        bool
	Location         string
	LocationName     string
	IdempotencyToken bool `json:"idempotencyToken"`
	XMLNamespace     XMLInfo
	Min              float64 // optional Minimum length (string, list) or value (number)
	Max              float64 // optional Maximum length (string, list) or value (number)

	// Defines if the shape is a placeholder and should not be used directly
	Placeholder bool

	Deprecated bool `json:"deprecated"`

	Validations ShapeValidations
	// contains filtered or unexported fields
}

A Shape defines the definition of a shape type

func (*Shape) Docstring 

func (s *Shape) Docstring() string

Docstring returns the godocs formated documentation

func (*Shape) EnumName 

func (s *Shape) EnumName(n int) string

EnumName returns the Nth enum in the shapes Enum list

func (*Shape) GoCode 

func (s *Shape) GoCode() string

GoCode returns the rendered Go code for the Shape.

func (*Shape) GoCodeStringers 

func (s *Shape) GoCodeStringers() string

GoCodeStringers renders the Stringers for API input/output shapes

func (*Shape) GoStructType 

func (s *Shape) GoStructType(name string, ref *ShapeRef) string

GoStructType returns the type of a struct field based on the API model definition.

func (*Shape) GoTags 

func (s *Shape) GoTags(root, required bool) string

GoTags returns the struct tags for a shape.

func (*Shape) GoType 

func (s *Shape) GoType() string

GoType returns a shape's Go type

func (*Shape) GoTypeElem 

func (s *Shape) GoTypeElem() string

GoTypeElem returns the Go type for the Shape. If the shape type is a pointer just the type will be returned minus the pointer *.

func (*Shape) GoTypeWithPkgName 

func (s *Shape) GoTypeWithPkgName() string

GoTypeWithPkgName returns a shape's type as a string with the package name in <packageName>.<type> format. Package naming only applies to structures.

func (*Shape) IsEnum 

func (s *Shape) IsEnum() bool

IsEnum returns whether this shape is an enum list

func (*Shape) IsInternal 

func (s *Shape) IsInternal() bool

IsInternal returns whether the shape was defined in this package

func (*Shape) IsRequired 

func (s *Shape) IsRequired(member string) bool

IsRequired returns if member is a required field.

func (*Shape) MemberNames 

func (s *Shape) MemberNames() []string

MemberNames returns a slice of struct member names.

func (*Shape) NestedShape 

func (s *Shape) NestedShape() *Shape

NestedShape returns the shape pointer value for the shape which is nested under the current shape. If the shape is not nested nil will be returned.

strucutures, the current shape is returned map: the value shape of the map is returned list: the element shape of the list is returned

func (*Shape) Rename 

func (s *Shape) Rename(newName string)

Rename changes the name of the Shape to newName. Also updates the associated API's reference to use newName.

type ShapeRef 

type ShapeRef struct {
	API              *API   `json:"-"`
	Shape            *Shape `json:"-"`
	Documentation    string
	ShapeName        string `json:"shape"`
	Location         string
	LocationName     string
	QueryName        string
	Flattened        bool
	Streaming        bool
	XMLAttribute     bool
	XMLNamespace     XMLInfo
	Payload          string
	IdempotencyToken bool `json:"idempotencyToken"`
	Deprecated       bool `json:"deprecated"`
}

A ShapeRef defines the usage of a shape within the API.

func (*ShapeRef) Docstring 

func (ref *ShapeRef) Docstring() string

Docstring returns the godocs formated documentation

func (*ShapeRef) GoTags 

func (ref *ShapeRef) GoTags(toplevel bool, isRequired bool) string

GoTags returns the rendered tags string for the ShapeRef

func (*ShapeRef) GoType 

func (ref *ShapeRef) GoType() string

GoType returns a shape ref's Go type.

func (*ShapeRef) GoTypeElem 

func (ref *ShapeRef) GoTypeElem() string

GoTypeElem returns the Go type for the Shape. If the shape type is a pointer just the type will be returned minus the pointer *.

func (*ShapeRef) GoTypeWithPkgName 

func (ref *ShapeRef) GoTypeWithPkgName() string

GoTypeWithPkgName returns a shape's type as a string with the package name in <packageName>.<type> format. Package naming only applies to structures.

type ShapeTag 

type ShapeTag struct {
	Key, Val string
}

ShapeTag is a struct tag that will be applied to a shape's generated code

func (ShapeTag) String 

func (s ShapeTag) String() string

String returns the string representation of the shape tag

type ShapeTags 

type ShapeTags []ShapeTag

ShapeTags is a collection of shape tags and provides serialization of the tags in an ordered list.

func (ShapeTags) Join 

func (s ShapeTags) Join(sep string) string

Join returns an ordered serialization of the shape tags with the provided seperator.

func (ShapeTags) String 

func (s ShapeTags) String() string

String is an alias for Join with the empty space seperator.

type ShapeValidation 

type ShapeValidation struct {
	// Name of the shape to be validated
	Name string
	// Reference to the shape within the context the shape is referenced
	Ref *ShapeRef
	// Type of validation needed
	Type ShapeValidationType
}

A ShapeValidation contains information about a shape and the type of validation that is needed

func (ShapeValidation) GoCode 

func (sv ShapeValidation) GoCode() string

GoCode returns the generated Go code for the Shape with its validation type.

type ShapeValidationType 

type ShapeValidationType int

A ShapeValidationType is the type of validation that a shape needs

type ShapeValidations 

type ShapeValidations []ShapeValidation

A ShapeValidations is a collection of shape validations needed nested within a parent shape

func (ShapeValidations) GoCode 

func (vs ShapeValidations) GoCode(shape *Shape) string

GoCode generates the Go code needed to perform validations for the shape and its nested fields.

func (ShapeValidations) Has 

func (vs ShapeValidations) Has(ref *ShapeRef, typ ShapeValidationType) bool

Has returns true or false if the ShapeValidations already contains the the reference and validation type.

type WaitAcceptor 

type WaitAcceptor struct {
	Expected interface{}
	Matcher  string
	State    string
	Argument string
}

A WaitAcceptor is an individual wait acceptor definition.

func (*WaitAcceptor) ExpectedString 

func (a *WaitAcceptor) ExpectedString() string

ExpectedString returns the string that was expected by the WaitAcceptor

type Waiter 

type Waiter struct {
	Name          string
	Delay         int
	MaxAttempts   int
	OperationName string `json:"operation"`
	Operation     *Operation
	Acceptors     []WaitAcceptor
}

A Waiter is an individual waiter definition.

func (*Waiter) GoCode 

func (w *Waiter) GoCode() string

GoCode returns the generated Go code for an individual waiter.

type XMLInfo 

type XMLInfo struct {
	Prefix string
	URI    string
}

A XMLInfo defines URL and prefix for Shapes when rendered as XML

Source Files

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