crud.java

Job job = new Job(activity);

// Create
job.create();

// Read
ArrayList<NameValuePair> parameters;
Job.where(parameters)

// Update
job.update();

// Destroy
job.destroy();

Job.java

public class Job extends Model {
    private static final String ROUTE = "jobs";

    public Job(Activity activity) {
    	super(ROUTE, activity);
    }
}

Model.java

public class Model {

    JSONClient clientFactory;
    private final String resource;

    protected Model(String resource, Activity activity) {
        this.resource = resource;
	clientFactory = new JSONClient(activity);
    }

    public JSONObject create() {
	return clientFactory.requestPost(resource, this);
    }

    public JSONObject update() {
	return clientFactory.requestUpdate(resource, this);
    }

    public JSONObject destroy() {
	return clientFactory.requestDelete(resource, this);
    }

    public static JSONObject where(ArrayList<NameValuePair> parameters) {
	return clientFactory.requestGet(resource, parameters);
    }
}