PureBasic
PureBasic
Wasabi List Bucket Objects
See more Wasabi Examples
Demonstrates how to download and parse XML for the list of objects in a bucket.Chilkat PureBasic Downloads
IncludeFile "CkXml.pb"
IncludeFile "CkHttp.pb"
Procedure ChilkatExample()
success.i = 0
; This example assumes the Chilkat HTTP API to have been previously unlocked.
; See Global Unlock Sample for sample code.
http.i = CkHttp::ckCreate()
If http.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
; Insert your access key here:
CkHttp::setCkAwsAccessKey(http, "access-key")
; Insert your secret key here:
CkHttp::setCkAwsSecretKey(http, "secret-key")
; Use the endpoint matching the bucket's region.
CkHttp::setCkAwsEndpoint(http, "s3.us-west-1.wasabisys.com")
bucketName.s = "chilkattest"
strXml.s = CkHttp::ckS3_ListBucketObjects(http,bucketName)
If CkHttp::ckLastMethodSuccess(http) <> 1
Debug CkHttp::ckLastErrorText(http)
CkHttp::ckDispose(http)
ProcedureReturn
EndIf
Debug "Response status code = " + Str(CkHttp::ckLastStatus(http))
xml.i = CkXml::ckCreate()
If xml.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
success = CkXml::ckLoadXml(xml,strXml)
If success <> 1
Debug CkXml::ckLastErrorText(xml)
CkHttp::ckDispose(http)
CkXml::ckDispose(xml)
ProcedureReturn
EndIf
; If the response status code was not 200, then the XML response is not a
; listing of objects, but instead contains error information.
If CkHttp::ckLastStatus(http) <> 200
Debug CkXml::ckGetXml(xml)
Debug "Failed."
CkHttp::ckDispose(http)
CkXml::ckDispose(xml)
ProcedureReturn
EndIf
; A sample response is shown below.
Debug CkXml::ckGetXml(xml)
Debug "----"
; Use this online tool to generate parsing code from sample XML:
; Generate Parsing Code from XML
; <?xml version="1.0" encoding="UTF-8"?>
; <ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
; <Name>chilkattest</Name>
; <Prefix/>
; <Marker/>
; <MaxKeys>1000</MaxKeys>
; <IsTruncated>false</IsTruncated>
; <Contents>
; <Key>orchard.json</Key>
; <LastModified>2021-10-27T22:58:49.000Z</LastModified>
; <ETag>"303fb46cf341094fef6274b7789cd6aa"</ETag>
; <Size>22</Size>
; <Owner>
; <ID>1039F31570DBC320E89D391632FCA06FE6D10CBB2ADBD0BF6439BB1DA0C3FAD6</ID>
; <DisplayName>admin</DisplayName>
; </Owner>
; <StorageClass>STANDARD</StorageClass>
; </Contents>
; <Contents>
; <Key>seahorse.jpg</Key>
; <LastModified>2021-10-27T22:35:29.000Z</LastModified>
; <ETag>"a8551f0a5437f43a796fca7623ee9232"</ETag>
; <Size>24388</Size>
; <Owner>
; <ID>1039F31570DBC320E89D391632FCA06FE6D10CBB2ADBD0BF6439BB1DA0C3FAD6</ID>
; <DisplayName>admin</DisplayName>
; </Owner>
; <StorageClass>STANDARD</StorageClass>
; </Contents>
; <Contents>
; <Key>seahorse2.jpg</Key>
; <LastModified>2021-10-27T22:03:51.000Z</LastModified>
; <ETag>"a8551f0a5437f43a796fca7623ee9232"</ETag>
; <Size>24388</Size>
; <Owner>
; <ID>1039F31570DBC320E89D391632FCA06FE6D10CBB2ADBD0BF6439BB1DA0C3FAD6</ID>
; <DisplayName>admin</DisplayName>
; </Owner>
; <StorageClass>STANDARD</StorageClass>
; </Contents>
; </ListBucketResult>
Key.s
LastModified.s
ETag.s
SizeDecimalStr.s
ID.s
DisplayName.s
StorageClass.s
ListBucketResult_xmlns.s = CkXml::ckGetAttrValue(xml,"xmlns")
Name.s = CkXml::ckGetChildContent(xml,"Name")
MaxKeys.i = CkXml::ckGetChildIntValue(xml,"MaxKeys")
IsTruncated.s = CkXml::ckGetChildContent(xml,"IsTruncated")
i.i = 0
count_i.i = CkXml::ckNumChildrenHavingTag(xml,"Contents")
While i < count_i
CkXml::setCkI(xml, i)
Key = CkXml::ckGetChildContent(xml,"Contents[i]|Key")
LastModified = CkXml::ckGetChildContent(xml,"Contents[i]|LastModified")
ETag = CkXml::ckGetChildContent(xml,"Contents[i]|ETag")
SizeDecimalStr = CkXml::ckGetChildContent(xml,"Contents[i]|Size")
ID = CkXml::ckGetChildContent(xml,"Contents[i]|Owner|ID")
DisplayName = CkXml::ckGetChildContent(xml,"Contents[i]|Owner|DisplayName")
StorageClass = CkXml::ckGetChildContent(xml,"Contents[i]|StorageClass")
Debug Str(i) + ": " + Key
i = i + 1
Wend
CkHttp::ckDispose(http)
CkXml::ckDispose(xml)
ProcedureReturn
EndProcedure