Java Google Cloud Storage: List Buckets

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Retrieves a list of buckets for a given project.

Documentation: https://cloud.google.com/storage/docs/json_api/v1/buckets/list

CURL Command

curl -X GET https://www.googleapis.com/storage/v1/b \
    --header "Authorization: Bearer CLOUD_STORAGE_TOKEN" \
    --data "project=MY_CLOUD_STORAGE_PROJECT"

Java Example

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkRest rest = new CkRest();
    boolean success;

    //  URL: https://www.googleapis.com/storage/v1/b
    boolean bTls = true;
    int port = 443;
    boolean bAutoReconnect = true;
    success = rest.Connect("www.googleapis.com",port,bTls,bAutoReconnect);
    if (success != true) {
        System.out.println("ConnectFailReason: " + rest.get_ConnectFailReason());
        System.out.println(rest.lastErrorText());
        return;
        }

    rest.AddQueryParam("project","MY_CLOUD_STORAGE_PROJECT");

    rest.AddHeader("Authorization","Bearer CLOUD_STORAGE_TOKEN");

    CkStringBuilder sbResponseBody = new CkStringBuilder();
    success = rest.FullRequestNoBodySb("GET","/storage/v1/b",sbResponseBody);
    if (success != true) {
        System.out.println(rest.lastErrorText());
        return;
        }

    int respStatusCode = rest.get_ResponseStatusCode();
    if (respStatusCode >= 400) {
        System.out.println("Response Status Code = " + respStatusCode);
        System.out.println("Response Header:");
        System.out.println(rest.responseHeader());
        System.out.println("Response Body:");
        System.out.println(sbResponseBody.getAsString());
        return;
        }

    CkJsonObject jsonResponse = new CkJsonObject();
    jsonResponse.LoadSb(sbResponseBody);

    //  See the Online Tool for Generating JSON Parse Code
    int i;
    int count_i;

    String kind = jsonResponse.stringOf("kind");
    i = 0;
    count_i = jsonResponse.SizeOfArray("items");
    while (i < count_i) {
        jsonResponse.put_I(i);
        kind = jsonResponse.stringOf("items[i].kind");
        String id = jsonResponse.stringOf("items[i].id");
        String selfLink = jsonResponse.stringOf("items[i].selfLink");
        String projectNumber = jsonResponse.stringOf("items[i].projectNumber");
        String name = jsonResponse.stringOf("items[i].name");
        String timeCreated = jsonResponse.stringOf("items[i].timeCreated");
        String updated = jsonResponse.stringOf("items[i].updated");
        String metageneration = jsonResponse.stringOf("items[i].metageneration");
        String location = jsonResponse.stringOf("items[i].location");
        String storageClass = jsonResponse.stringOf("items[i].storageClass");
        String etag = jsonResponse.stringOf("items[i].etag");
        i = i+1;
        }
  }
}

Sample JSON Response Body

{
  "kind": "storage#buckets",
  "items": [
    {
      "kind": "storage#bucket",
      "id": "chilkat-bucket",
      "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-bucket",
      "projectNumber": "5332332985",
      "name": "chilkat-bucket",
      "timeCreated": "2018-10-23T00:04:44.507Z",
      "updated": "2018-10-23T00:04:44.507Z",
      "metageneration": "1",
      "location": "US",
      "storageClass": "MULTI_REGIONAL",
      "etag": "CAE="
    },
    {
      "kind": "storage#bucket",
      "id": "chilkat-images",
      "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-images",
      "projectNumber": "5332332985",
      "name": "chilkat-images",
      "timeCreated": "2018-10-23T11:24:43.000Z",
      "updated": "2018-10-23T11:24:43.000Z",
      "metageneration": "1",
      "location": "US",
      "storageClass": "MULTI_REGIONAL",
      "etag": "CAE="
    }
  ]
}