(Lianja) Wasabi List Bucket Objects

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Demonstrates how to download and parse XML for the list of objects in a bucket.

Chilkat Lianja Extension Download Chilkat Lianja Extension

// This example assumes the Chilkat HTTP API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loHttp = createobject("CkHttp")

// Insert your access key here:
loHttp.AwsAccessKey = "access-key"

// Insert your secret key here:
loHttp.AwsSecretKey = "secret-key"

// Use the endpoint matching the bucket's region.
loHttp.AwsEndpoint = "s3.us-west-1.wasabisys.com"

lcBucketName = "chilkattest"

lcStrXml = loHttp.S3_ListBucketObjects(lcBucketName)
if (loHttp.LastMethodSuccess <> .T.) then
    ? loHttp.LastErrorText
    release loHttp
    return
endif

? "Response status code = " + str(loHttp.LastStatus)

loXml = createobject("CkXml")
llSuccess = loXml.LoadXml(lcStrXml)
if (llSuccess <> .T.) then
    ? loXml.LastErrorText
    release loHttp
    release loXml
    return
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 (loHttp.LastStatus <> 200) then
    ? loXml.GetXml()
    ? "Failed."
    release loHttp
    release loXml
    return
endif

// A sample response is shown below.
? loXml.GetXml()
? "----"

// 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>&quot;303fb46cf341094fef6274b7789cd6aa&quot;</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>&quot;a8551f0a5437f43a796fca7623ee9232&quot;</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>&quot;a8551f0a5437f43a796fca7623ee9232&quot;</ETag>
//         <Size>24388</Size>
//         <Owner>
//             <ID>1039F31570DBC320E89D391632FCA06FE6D10CBB2ADBD0BF6439BB1DA0C3FAD6</ID>
//             <DisplayName>admin</DisplayName>
//         </Owner>
//         <StorageClass>STANDARD</StorageClass>
//     </Contents>
// </ListBucketResult>

lcListBucketResult_xmlns = loXml.GetAttrValue("xmlns")
lcName = loXml.GetChildContent("Name")
lnMaxKeys = loXml.GetChildIntValue("MaxKeys")
lcIsTruncated = loXml.GetChildContent("IsTruncated")
i = 0
lnCount_i = loXml.NumChildrenHavingTag("Contents")
do while i < lnCount_i
    loXml.I = i
    lcKey = loXml.GetChildContent("Contents[i]|Key")
    lcLastModified = loXml.GetChildContent("Contents[i]|LastModified")
    lcETag = loXml.GetChildContent("Contents[i]|ETag")
    lcSizeDecimalStr = loXml.GetChildContent("Contents[i]|Size")
    lcID = loXml.GetChildContent("Contents[i]|Owner|ID")
    lcDisplayName = loXml.GetChildContent("Contents[i]|Owner|DisplayName")
    lcStorageClass = loXml.GetChildContent("Contents[i]|StorageClass")
    ? str(i) + ": " + lcKey
    i = i + 1
enddo


release loHttp
release loXml