Bean.ObjectStorageConnector.java Source code

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Here is the source code for Bean.ObjectStorageConnector.java

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package Bean;

import java.util.List;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;

import org.openstack4j.api.OSClient;
import org.openstack4j.model.storage.object.SwiftAccount;
import org.openstack4j.model.storage.object.SwiftObject;
import org.openstack4j.model.common.Identifier;
import org.openstack4j.model.common.Payload;
import org.openstack4j.openstack.OSFactory;

public class ObjectStorageConnector {

    private String auth_url = "";
    private String project = "";
    private String projectId = "";
    private String region = "";
    private String userId = "";
    private String username = "";
    private String password = "";
    private String domainId = "";
    private String domainName = "";
    private Identifier domainIdent = null;
    private Identifier projectIdent = null;
    private OSClient os = null;
    private SwiftAccount account = null;

    public ObjectStorageConnector() {
        getConnection();
    }

    public void getConnection() {

        try {
            String envApp = System.getenv("VCAP_APPLICATION");
            String envServices = System.getenv("VCAP_SERVICES");

            JSONParser parser = new JSONParser();
            Object obj = parser.parse(envServices);
            JSONObject jsonObject = (JSONObject) obj;
            JSONArray vcapArray = (JSONArray) jsonObject.get("Object-Storage");
            JSONObject vcap = (JSONObject) vcapArray.get(0);
            JSONObject credentials = (JSONObject) vcap.get("credentials");
            auth_url = credentials.get("auth_url").toString() + "/v3";
            project = credentials.get("project").toString();
            projectId = credentials.get("projectId").toString();
            region = credentials.get("region").toString();
            userId = credentials.get("userId").toString();
            username = credentials.get("username").toString();
            password = credentials.get("password").toString();
            domainId = credentials.get("domainId").toString();
            domainName = credentials.get("domainName").toString();

            Identifier domainIdent = Identifier.byName(domainName);
            Identifier projectIdent = Identifier.byName(project);

            os = OSFactory.builderV3().endpoint(auth_url).credentials(userId, password)
                    .scopeToProject(projectIdent, domainIdent).authenticate();

            account = os.objectStorage().account().get();

        } catch (ParseException ex) {
        }
    }

    public boolean createContainer(String cName) {
        return os.objectStorage().containers().create(cName).isSuccess();
    }

    public boolean deleteContainer(String cName) {
        return os.objectStorage().containers().delete(cName).isSuccess();
    }

    public String uploadFile(String cName, String fName, Payload payload) {
        return os.objectStorage().objects().put(cName, fName, payload);
    }

    public boolean deleteFile(String cName, String fName) {
        return os.objectStorage().objects().delete(cName, fName).isSuccess();
    }

    public SwiftObject getFile(String cName, String fName) {
        return os.objectStorage().objects().get(cName, fName);
    }

    public SwiftAccount getAccount() {
        account = os.objectStorage().account().get();
        return account;
    }

    public List listAllObjects(String containerName) {
        return os.objectStorage().objects().list(containerName);
    }
}