/*
 * Copyright (C) 2013 Red Hat, Inc.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 *
 * Authors : Madhu Venugopal, Brent Salisbury
 */
package org.opendaylight.ovsdb.openstack.netvirt;

import org.opendaylight.controller.sal.utils.Status;
import org.opendaylight.controller.sal.utils.StatusCode;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.net.HttpURLConnection;

/**
 * Abstract class for utility functions used by neutron handlers.
 */
public abstract class AbstractHandler {

    /**
     * Logger instance.
     */
    static final Logger logger = LoggerFactory.getLogger(AbstractHandler.class);

    /**
     * Convert failure status returned by the  manager into
     * neutron API service errors.
     *
     * @param status  manager status
     * @return  An error to be returned to neutron API service.
     */
    protected static final int getException(Status status) {
        int result = HttpURLConnection.HTTP_INTERNAL_ERROR;

        assert !status.isSuccess();

        StatusCode code = status.getCode();
        logger.debug(" Exception code - {}, description - {}",
                code, status.getDescription());

        if (code == StatusCode.BADREQUEST) {
            result = HttpURLConnection.HTTP_BAD_REQUEST;
        } else if (code == StatusCode.CONFLICT) {
            result = HttpURLConnection.HTTP_CONFLICT;
        } else if (code == StatusCode.NOTACCEPTABLE) {
            result = HttpURLConnection.HTTP_NOT_ACCEPTABLE;
        } else if (code == StatusCode.NOTFOUND) {
            result = HttpURLConnection.HTTP_NOT_FOUND;
        } else {
            result = HttpURLConnection.HTTP_INTERNAL_ERROR;
        }

        return result;
    }
}