(Java) Google Cloud SQL - Stop Database Instance

Demonstrates how to stop a Google Cloud SQL database instance.

For more information, see https://cloud.google.com/sql/docs/mysql/start-stop-restart-instance

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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[])
  {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // In this example, Get Google Cloud SQL 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/google_cloud_sql_access_token.txt","utf-8");

    CkHttp http = new CkHttp();
    boolean success;

    // Implements the following CURL command:

    // curl -X PATCH \
    // -H "Authorization: Bearer "$(gcloud auth print-access-token) \
    // -H "Content-Type: application/json; charset=utf-8" \
    // -d '{
    //   "settings": {
    //     "activationPolicy": "NEVER" 
    //   }
    // }' \
    // https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id

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

    // The following JSON is sent in the request body.

    // {
    //   "settings": {
    //     "activationPolicy": "NEVER"
    //   }
    // }

    CkJsonObject json = new CkJsonObject();
    json.UpdateString("settings.activationPolicy","NEVER");

    // Causes the "Authorization: Bearer "$(gcloud auth print-access-token)" header to be added.
    http.put_AuthToken(sbToken.getAsString());

    http.SetRequestHeader("Content-Type","application/json; charset=utf-8");

    CkStringBuilder sbRequestBody = new CkStringBuilder();
    json.EmitSb(sbRequestBody);

    // Replace "project-id" with your actual Google project ID.
    // Replace "instance-id" with your database instance ID, which is the name of your database.  (For example, when I created my test database I named it "chilkat", and therefore my instance-id is "chilkat".)
    CkHttpResponse resp = http.PTextSb("PATCH","https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id",sbRequestBody,"utf-8","application/json",false,false);
    if (http.get_LastMethodSuccess() == false) {
        System.out.println(http.lastErrorText());
        return;
        }

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

    System.out.println("Response Body:");
    System.out.println(jResp.emit());

    int respStatusCode = resp.get_StatusCode();
    System.out.println("Response Status Code = " + respStatusCode);
    if (respStatusCode == 401) {
        System.out.println("It may be that your access token expired.");
        System.out.println("Try refreshing the access token by re-fetching it.");
        }

    if (respStatusCode >= 400) {
        System.out.println("Response Header:");
        System.out.println(resp.header());
        System.out.println("Failed.");

        return;
        }

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "kind": "sql#operation",
    //   "targetLink": "https://www.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id",
    //   "status": "PENDING",
    //   "user": "user@example.com",
    //   "insertTime": "2020-01-20T21:30:35.667Z",
    //   "operationType": "UPDATE",
    //   "name": "operation-id",
    //   "targetId": "instance-id",
    //   "selfLink": "https://www.googleapis.com/sql/v1beta4/projects/project-id/operations/operation-id",
    //   "targetProject": "project-id"
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    String kind = jResp.stringOf("kind");
    String targetLink = jResp.stringOf("targetLink");
    String status = jResp.stringOf("status");
    String user = jResp.stringOf("user");
    String insertTime = jResp.stringOf("insertTime");
    String operationType = jResp.stringOf("operationType");
    String name = jResp.stringOf("name");
    String targetId = jResp.stringOf("targetId");
    String selfLink = jResp.stringOf("selfLink");
    String targetProject = jResp.stringOf("targetProject");
  }
}