Swift
Swift
Google Cloud Storage List Bucket Objects
See more Google Cloud Storage Examples
List the objects in a Google Cloud Storage bucket.Chilkat Swift Downloads
func chilkatTest() {
var success: Bool = false
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// This example uses a previously obtained access token having permission for the
// scope "https://www.googleapis.com/auth/cloud-platform"
// In this example, Get Google Cloud Storage OAuth2 Access Token,
// the service account access token was saved to a text file. This example fetches the access token from the file..
let sbToken = CkoStringBuilder()!
sbToken.loadFile(path: "qa_data/tokens/googleCloudStorageAccessToken.txt", charset: "utf-8")
let http = CkoHttp()!
http.authToken = sbToken.getAsString()
// For more info see Cloud Storage Documentation - Objects: list
//
success = http.setUrlVar(name: "bucket", value: "chilkat-ocean")
success = http.setUrlVar(name: "PROJECT_NAME", value: "ChilkatCloud")
let resp = CkoHttpResponse()!
success = http.httpNoBody(verb: "GET", url: "https://www.googleapis.com/storage/v1/b/{$bucket}/o?project={$ChilkatCloud}", response: resp)
if success == false {
print("\(http.lastErrorText!)")
return
}
var responseCode: Int = resp.statusCode.intValue
if responseCode == 401 {
print("\(resp.bodyStr!)")
print("If invalid credentials, then it is likely the access token expired.")
print("Your app should automatically fetch a new access token and re-try.")
return
}
print("Response code: \(responseCode)")
print("Response body")
let json = CkoJsonObject()!
success = json.load(json: resp.bodyStr)
json.emitCompact = false
print("\(json.emit()!)")
// A response code = 200 indicates success, and the response body contains JSON such as this:
// {
// "kind": "storage#objects",
// "items": [
// {
// "kind": "storage#object",
// "id": "chilkat-ocean/file with space char.jpg/1555776690752366",
// "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/file%20with%20space%20char.jpg",
// "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/file%20with%20space%20char.jpg?generation=1555776690752366&alt=media",
// "name": "file with space char.jpg",
// "bucket": "chilkat-ocean",
// "generation": "1555776690752366",
// "metageneration": "1",
// "contentType": "image/jpeg",
// "storageClass": "MULTI_REGIONAL",
// "size": "6229",
// "md5Hash": "LpxZ2/JmI2fcl9/dqF2gSA==",
// "crc32c": "9RjgwQ==",
// "etag": "CO6WguiH3+ECEAE=",
// "timeCreated": "2019-04-20T16:11:30.752Z",
// "updated": "2019-04-20T16:11:30.752Z",
// "timeStorageClassUpdated": "2019-04-20T16:11:30.752Z"
// },
// {
// "kind": "storage#object",
//
// "id": "chilkat-ocean/penguins.jpg/1555775749593296",
// "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/penguins.jpg",
// "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/penguins.jpg?generation=1555775749593296&alt=media",
// "name": "penguins.jpg",
// "bucket": "chilkat-ocean",
// "generation": "1555775749593296",
// "metageneration": "1",
// "contentType": "image/jpeg",
// "storageClass": "MULTI_REGIONAL",
// "size": "777835",
// "md5Hash": "nTd7EM53jEk4s8fixjoimg==",
// "crc32c": "ixxYVw==",
// "etag": "CNCxnqeE3+ECEAE=",
// "timeCreated": "2019-04-20T15:55:49.593Z",
// "updated": "2019-04-20T15:55:49.593Z",
// "timeStorageClassUpdated": "2019-04-20T15:55:49.593Z"
// },
// {
// "kind": "storage#object",
// "id": "chilkat-ocean/starfish.jpg/1628958192639968",
// "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/starfish.jpg",
// "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/starfish.jpg?generation=1628958192639968&alt=media",
// "name": "starfish.jpg",
// "bucket": "chilkat-ocean",
// "generation": "1628958192639968",
// "metageneration": "1",
// "contentType": "image/jpeg",
// "storageClass": "MULTI_REGIONAL",
// "size": "6229",
// "md5Hash": "LpxZ2/JmI2fcl9/dqF2gSA==",
// "crc32c": "9RjgwQ==",
// "etag": "COC/tJP2sPICEAE=",
// "timeCreated": "2021-08-14T16:23:12.660Z",
// "updated": "2021-08-14T16:23:12.660Z",
// "timeStorageClassUpdated": "2021-08-14T16:23:12.660Z"
// }
// ]
// }
// Use this online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON
var id: String?
var selfLink: String?
var mediaLink: String?
var name: String?
var bucket: String?
var generation: String?
var metageneration: String?
var contentType: String?
var storageClass: String?
var size: String?
var md5Hash: String?
var crc32c: String?
var etag: String?
var timeCreated: String?
var updated: String?
var timeStorageClassUpdated: String?
var kind: String? = json.string(of: "kind")
var i: Int = 0
var count_i: Int = json.size(ofArray: "items").intValue
while i < count_i {
json.i = i
kind = json.string(of: "items[i].kind")
id = json.string(of: "items[i].id")
selfLink = json.string(of: "items[i].selfLink")
mediaLink = json.string(of: "items[i].mediaLink")
name = json.string(of: "items[i].name")
bucket = json.string(of: "items[i].bucket")
generation = json.string(of: "items[i].generation")
metageneration = json.string(of: "items[i].metageneration")
contentType = json.string(of: "items[i].contentType")
storageClass = json.string(of: "items[i].storageClass")
size = json.string(of: "items[i].size")
md5Hash = json.string(of: "items[i].md5Hash")
crc32c = json.string(of: "items[i].crc32c")
etag = json.string(of: "items[i].etag")
timeCreated = json.string(of: "items[i].timeCreated")
updated = json.string(of: "items[i].updated")
timeStorageClassUpdated = json.string(of: "items[i].timeStorageClassUpdated")
i = i + 1
}
}