Display list of files/folders in a Google Cloud Storage(GSC) bucket

ListFilesAndFolderInBucket.java

import com.google.cloud.Page;
import com.google.cloud.storage.Blob;
import com.google.cloud.storage.Storage;
import com.labsite.repository.StorageFactory;

import java.util.Iterator;

/**
 * User: Halil Karakose
 * Date: 31/01/17
 * Time: 21:31
 */
public class ListFilesAndFoldersInBucket {
    private static final String BUCKET_NAME = "ENTER_YOUR_BUCKET_NAME_HERE";
    private static final String SERVICE_ACCOUNT_KEY = "ENTER_YOUR_SERVICE_ACCOUNT_KEY";
    private static final String project_id = "ENTER_YOUR_PROJECT_ID";
    
    public static void main(String[] args) {
        list("");
    }

    public static void list(String directory){
        Storage storage = storageService();
        Page<Blob> blobs = storage.list(BUCKET_NAME, Storage.BlobListOption.currentDirectory(), Storage.BlobListOption.prefix(directory));
        Iterable<Blob> blobIterator = blobs.iterateAll();
        blobIterator.forEach(blob -> {
            if (blob.isDirectory()) {
                list(blob.getName());
            } else {
                System.out.println(blob.getName());
            }
        });
    }

    public static Storage storageService() {
        ServiceAccountCredentials oauth2 = null;
        try {
            oauth2 = ServiceAccountCredentials.fromStream(new StringBufferInputStream(SERVICE_ACCOUNT_KEY));
        } catch (IOException e) {
            throw new RuntimeException(e);
        }

        return StorageOptions.newBuilder()
                .setCredentials(oauth2)
                .setProjectId(project_id)
                .build()
                .getService();
    }
}

pom.xml

        <dependency>
            <groupId>com.google.cloud</groupId>
            <artifactId>google-cloud</artifactId>
            <version>0.18.0-alpha</version>
        </dependency>

@sateesh6151 - Did you get the libraries used in the above example. I'm unable to resolve the dependencies for 'StorageFactory' and 'Page' classes in my Eclipse project. please help me getting this code functional.

I updated gist.
You may acquire required dependencies if you use com.google.cloud:google-cloud:0.18.0-alpha