(Android™) Google Cloud Storage: Update Object Metadata

See more Google Cloud Storage Examples

Demonstrates how to update (edit) the metadata associated with an object in a Google Cloud Storage bucket.

For more information, see https://cloud.google.com/storage/docs/viewing-editing-metadata#edit

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

    CkHttp http = new CkHttp();
    boolean success;

    // Implements the following CURL command:

    // curl -X PATCH --data-binary @JSON_FILE_NAME \
    //   -H "Authorization: Bearer OAUTH2_TOKEN" \
    //   -H "Content-Type: application/json" \
    //   "https://storage.googleapis.com/storage/v1/b/BUCKET_NAME/o/OBJECT_NAME"

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    CkBinData bdRequestBody = new CkBinData();
    success = bdRequestBody.LoadFile("JSON_FILE_PATH");
    if (success != true) {
        Log.i(TAG, "Failed to load JSON_FILE_PATH");
        return;
        }

    // Adds the "Authorization: Bearer OAUTH2_TOKEN" header.
    http.put_AuthToken("OAUTH2_TOKEN");

    CkHttpResponse resp = http.PBinaryBd("PATCH","https://storage.googleapis.com/storage/v1/b/BUCKET_NAME/o/OBJECT_NAME",bdRequestBody,"application/json",false,false);
    if (http.get_LastMethodSuccess() == false) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    CkStringBuilder sbResponseBody = new CkStringBuilder();
    resp.GetBodySb(sbResponseBody);

    CkJsonObject jResp = new CkJsonObject();
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    Log.i(TAG, "Response Body:");
    Log.i(TAG, jResp.emit());

    int respStatusCode = resp.get_StatusCode();
    Log.i(TAG, "Response Status Code = " + String.valueOf(respStatusCode));
    if (respStatusCode >= 400) {
        Log.i(TAG, "Response Header:");
        Log.i(TAG, resp.header());
        Log.i(TAG, "Failed.");

        return;
        }


  }

  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."
  }
}