1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package glue
4
5import (
6	"context"
7	"fmt"
8	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
9	"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
10	"github.com/aws/smithy-go/middleware"
11	smithyhttp "github.com/aws/smithy-go/transport/http"
12)
13
14// Retrieves the names of all crawler resources in this AWS account, or the
15// resources with the specified tag. This operation allows you to see which
16// resources are available in your account, and their names. This operation takes
17// the optional Tags field, which you can use as a filter on the response so that
18// tagged resources can be retrieved as a group. If you choose to use tags
19// filtering, only resources with the tag are retrieved.
20func (c *Client) ListCrawlers(ctx context.Context, params *ListCrawlersInput, optFns ...func(*Options)) (*ListCrawlersOutput, error) {
21	if params == nil {
22		params = &ListCrawlersInput{}
23	}
24
25	result, metadata, err := c.invokeOperation(ctx, "ListCrawlers", params, optFns, addOperationListCrawlersMiddlewares)
26	if err != nil {
27		return nil, err
28	}
29
30	out := result.(*ListCrawlersOutput)
31	out.ResultMetadata = metadata
32	return out, nil
33}
34
35type ListCrawlersInput struct {
36
37	// The maximum size of a list to return.
38	MaxResults *int32
39
40	// A continuation token, if this is a continuation request.
41	NextToken *string
42
43	// Specifies to return only these tagged resources.
44	Tags map[string]string
45}
46
47type ListCrawlersOutput struct {
48
49	// The names of all crawlers in the account, or the crawlers with the specified
50	// tags.
51	CrawlerNames []string
52
53	// A continuation token, if the returned list does not contain the last metric
54	// available.
55	NextToken *string
56
57	// Metadata pertaining to the operation's result.
58	ResultMetadata middleware.Metadata
59}
60
61func addOperationListCrawlersMiddlewares(stack *middleware.Stack, options Options) (err error) {
62	err = stack.Serialize.Add(&awsAwsjson11_serializeOpListCrawlers{}, middleware.After)
63	if err != nil {
64		return err
65	}
66	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListCrawlers{}, middleware.After)
67	if err != nil {
68		return err
69	}
70	if err = addSetLoggerMiddleware(stack, options); err != nil {
71		return err
72	}
73	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
74		return err
75	}
76	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
77		return err
78	}
79	if err = addResolveEndpointMiddleware(stack, options); err != nil {
80		return err
81	}
82	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
83		return err
84	}
85	if err = addRetryMiddlewares(stack, options); err != nil {
86		return err
87	}
88	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
89		return err
90	}
91	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
92		return err
93	}
94	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
95		return err
96	}
97	if err = addClientUserAgent(stack); err != nil {
98		return err
99	}
100	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
101		return err
102	}
103	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
104		return err
105	}
106	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListCrawlers(options.Region), middleware.Before); err != nil {
107		return err
108	}
109	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
110		return err
111	}
112	if err = addResponseErrorMiddleware(stack); err != nil {
113		return err
114	}
115	if err = addRequestResponseLogging(stack, options); err != nil {
116		return err
117	}
118	return nil
119}
120
121// ListCrawlersAPIClient is a client that implements the ListCrawlers operation.
122type ListCrawlersAPIClient interface {
123	ListCrawlers(context.Context, *ListCrawlersInput, ...func(*Options)) (*ListCrawlersOutput, error)
124}
125
126var _ ListCrawlersAPIClient = (*Client)(nil)
127
128// ListCrawlersPaginatorOptions is the paginator options for ListCrawlers
129type ListCrawlersPaginatorOptions struct {
130	// The maximum size of a list to return.
131	Limit int32
132
133	// Set to true if pagination should stop if the service returns a pagination token
134	// that matches the most recent token provided to the service.
135	StopOnDuplicateToken bool
136}
137
138// ListCrawlersPaginator is a paginator for ListCrawlers
139type ListCrawlersPaginator struct {
140	options   ListCrawlersPaginatorOptions
141	client    ListCrawlersAPIClient
142	params    *ListCrawlersInput
143	nextToken *string
144	firstPage bool
145}
146
147// NewListCrawlersPaginator returns a new ListCrawlersPaginator
148func NewListCrawlersPaginator(client ListCrawlersAPIClient, params *ListCrawlersInput, optFns ...func(*ListCrawlersPaginatorOptions)) *ListCrawlersPaginator {
149	options := ListCrawlersPaginatorOptions{}
150	if params.MaxResults != nil {
151		options.Limit = *params.MaxResults
152	}
153
154	for _, fn := range optFns {
155		fn(&options)
156	}
157
158	if params == nil {
159		params = &ListCrawlersInput{}
160	}
161
162	return &ListCrawlersPaginator{
163		options:   options,
164		client:    client,
165		params:    params,
166		firstPage: true,
167	}
168}
169
170// HasMorePages returns a boolean indicating whether more pages are available
171func (p *ListCrawlersPaginator) HasMorePages() bool {
172	return p.firstPage || p.nextToken != nil
173}
174
175// NextPage retrieves the next ListCrawlers page.
176func (p *ListCrawlersPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListCrawlersOutput, error) {
177	if !p.HasMorePages() {
178		return nil, fmt.Errorf("no more pages available")
179	}
180
181	params := *p.params
182	params.NextToken = p.nextToken
183
184	var limit *int32
185	if p.options.Limit > 0 {
186		limit = &p.options.Limit
187	}
188	params.MaxResults = limit
189
190	result, err := p.client.ListCrawlers(ctx, &params, optFns...)
191	if err != nil {
192		return nil, err
193	}
194	p.firstPage = false
195
196	prevToken := p.nextToken
197	p.nextToken = result.NextToken
198
199	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
200		p.nextToken = nil
201	}
202
203	return result, nil
204}
205
206func newServiceMetadataMiddleware_opListCrawlers(region string) *awsmiddleware.RegisterServiceMetadata {
207	return &awsmiddleware.RegisterServiceMetadata{
208		Region:        region,
209		ServiceID:     ServiceID,
210		SigningName:   "glue",
211		OperationName: "ListCrawlers",
212	}
213}
214