Go

S3 List Bucket Objects (using Chilkat REST)

See more Amazon S3 (new) Examples

Demonstrates how to fetch a list of objects in an S3 bucket. Go

    success := false

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

    rest := chilkat.NewRest()

    // Connect to the Amazon AWS REST server.
    bTls := true
    port := 443
    bAutoReconnect := true
    success = rest.Connect("s3.amazonaws.com",port,bTls,bAutoReconnect)

    // ----------------------------------------------------------------------------
    // Important: For buckets created in regions outside us-east-1,
    // there are three important changes that need to be made.
    // See Working with S3 Buckets in Non-us-east-1 Regions for the details.
    // ----------------------------------------------------------------------------

    // Provide AWS credentials for the REST call.
    authAws := chilkat.NewAuthAws()
    authAws.SetAccessKey("AWS_ACCESS_KEY")
    authAws.SetSecretKey("AWS_SECRET_KEY")
    authAws.SetServiceName("s3")
    success = rest.SetAuthAws(authAws)

    //  Set the bucket name via the HOST header.
    //  In this case, the bucket name is "chilkat100".
    rest.SetHost("chilkat100.s3.amazonaws.com")

    sbResponse := chilkat.NewStringBuilder()
    success = rest.FullRequestNoBodySb("GET","/",sbResponse)
    if success == false {
        fmt.Println(rest.LastErrorText())
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        sbResponse.DisposeStringBuilder()
        return
    }

    statusCode := rest.ResponseStatusCode()
    fmt.Println("Response status code = ", statusCode)

    xml := chilkat.NewXml()
    xml.LoadSb(sbResponse,true)
    fmt.Println(*xml.GetXml())

    if statusCode != 200 {
        fmt.Println("Failed.  See error information in the XML.")
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        sbResponse.DisposeStringBuilder()
        xml.DisposeXml()
        return
    }

    // Use this online tool to generate code from sample XML: 
    // Generate Code to Create XML

    var Key *string = new(string)
    var LastModified *string = new(string)
    var ETag *string = new(string)
    var SizeDecimalStr *string = new(string)
    var ID *string = new(string)
    var DisplayName *string = new(string)
    var StorageClass *string = new(string)

    Name := xml.GetChildContent("Name")
    MaxKeys := xml.GetChildIntValue("MaxKeys")
    IsTruncated := xml.GetChildContent("IsTruncated")
    i := 0
    count_i := xml.NumChildrenHavingTag("Contents")
    for i < count_i {
        xml.SetI(i)
        Key = xml.GetChildContent("Contents[i]|Key")
        LastModified = xml.GetChildContent("Contents[i]|LastModified")
        ETag = xml.GetChildContent("Contents[i]|ETag")
        SizeDecimalStr = xml.GetChildContent("Contents[i]|Size")
        ID = xml.GetChildContent("Contents[i]|Owner|ID")
        DisplayName = xml.GetChildContent("Contents[i]|Owner|DisplayName")
        StorageClass = xml.GetChildContent("Contents[i]|StorageClass")
        i = i + 1
    }


    rest.DisposeRest()
    authAws.DisposeAuthAws()
    sbResponse.DisposeStringBuilder()
    xml.DisposeXml()