Access GCP Bucket-Java automation

GCP

As the projects are moving towards cloud, more often during automation we have to deal with accessing cloud platform and perform various actions like

• Verifying data
• Download files
• Check File exists

Here is the implementation steps for accessing GCP cloud storage and let see how to implement it.

Configure GCP in Maven Project

• Create a maven project

Add Maven dependency for GCP
<!-- https://mvnrepository.com/artifact/com.google.cloud/google-cloud-storage -->
<dependency>
    <groupId>com.google.cloud</groupId>
    <artifactId>google-cloud-storage</artifactId>
    <version>1.117.0</version>
</dependency>

Generate Service Account Key : Json

Navigate to GCP cloud URL

• IAM&Admin → Service Accounts → Generate Json Key

Generate Service account Key

Follow GCP documentation for more detailed steps.

Creating and managing service account keys | Cloud IAM Documentation

Java Implementation

Here is the code for accessing cloud storage using ‘com.google.cloud.storage’ library using an ‘Singleton design pattern’.

IGCPConnection Interface:

GCPConnection Class