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(Android™) Google Cloud Storage List Buckets

Demonstrates how to retrieve a list of buckets for a given project.

Chilkat Android™ Downloads

Android™ Java Libraries

Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // 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..
    CkStringBuilder sbToken = new CkStringBuilder();
    sbToken.LoadFile("qa_data/tokens/googleCloudStorageAccessToken.txt","utf-8");

    CkHttp http = new CkHttp();
    http.put_AuthToken(sbToken.getAsString());

    // For more info see Cloud Storage Documentation - Buckets: list 
    // 
    boolean success = http.SetUrlVar("PROJECT_NAME","ChilkatCloud");
    CkHttpResponse resp = http.QuickGetObj("https://www.googleapis.com/storage/v1/b?project={$PROJECT_NAME}");
    if (http.get_LastMethodSuccess() == false) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    int responseCode = resp.get_StatusCode();
    if (responseCode == 401) {
        Log.i(TAG, resp.bodyStr());
        Log.i(TAG, "If invalid credentials, then it is likely the access token expired.");
        Log.i(TAG, "Your app should automatically fetch a new access token and re-try.");

        return;
        }

    Log.i(TAG, "Response code: " + String.valueOf(responseCode));
    Log.i(TAG, "Response body");

    CkJsonObject json = new CkJsonObject();
    success = json.Load(resp.bodyStr());

    json.put_EmitCompact(false);

    Log.i(TAG, json.emit());

    // A response code = 200 indicates success, and the response body contains JSON such as this:

    // {
    //   "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",
    //       "iamConfiguration": {
    //         "bucketPolicyOnly": {
    //           "enabled": false
    //         }
    //       },
    //       "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",
    //       "iamConfiguration": {
    //         "bucketPolicyOnly": {
    //           "enabled": false
    //         }
    //       },
    //       "location": "US",
    //       "storageClass": "MULTI_REGIONAL",
    //       "etag": "CAE="
    //     }
    //   ]
    // }

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    String kind;
    int i;
    int count_i;
    String id;
    String selfLink;
    String projectNumber;
    String name;
    String timeCreated;
    String updated;
    String metageneration;
    boolean iamConfigurationBucketPolicyOnlyEnabled;
    String location;
    String storageClass;
    String etag;

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


  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}

 

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