Utils.java

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/* Copyright 2017 Telstra Open Source
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

package org.openkilda.messaging;

import org.openkilda.messaging.model.SwitchId;

import org.openkilda.messaging.payload.flow.OutputVlanType;

import com.fasterxml.jackson.databind.ObjectMapper;

public final class Utils {
    public static final ObjectMapper MAPPER = new ObjectMapper();
    public static final String TIMESTAMP = "timestamp";
    public static final String TRANSACTION_ID = "transaction_id";
    public static final String CORRELATION_ID = "correlation_id";
    public static final String EXTRA_AUTH = "EXTRA_AUTH";
    public static final String DESTINATION = "destination";

    public static final String ROUTE = "route";
    public static final String PAYLOAD = "payload";
    public static final String FLOW_ID = "flowid";
    public static final String FLOW_PATH = "flowpath";
    public static final String DEFAULT_CORRELATION_ID = "admin-request";
    public static final String SYSTEM_CORRELATION_ID = "system-request";
    public static final String HEALTH_CHECK_OPERATIONAL_STATUS = "operational";
    public static final String HEALTH_CHECK_NON_OPERATIONAL_STATUS = "non-operational";
    public static final int ETH_TYPE = 0x8100;
    private static final int MIN_VLAN_ID = 0;
    private static final int MAX_VLAN_ID = 4095;

    private Utils() {
        throw new UnsupportedOperationException();
    }

    public static boolean validateVlanRange(final Integer vlanId) {
        return (vlanId >= MIN_VLAN_ID) && (vlanId <= MAX_VLAN_ID);
    }

    public static boolean validateOutputVlanType(final Integer outputVlanId, final OutputVlanType outputVlanType) {
        return (outputVlanId != null && outputVlanId != 0)
                ? (OutputVlanType.PUSH.equals(outputVlanType) || OutputVlanType.REPLACE.equals(outputVlanType))
                : (OutputVlanType.POP.equals(outputVlanType) || OutputVlanType.NONE.equals(outputVlanType));
    }

    public static boolean validateInputVlanType(final Integer inputVlanId, final OutputVlanType outputVlanType) {
        return (inputVlanId != null && inputVlanId != 0)
                ? (OutputVlanType.POP.equals(outputVlanType) || OutputVlanType.REPLACE.equals(outputVlanType))
                : (OutputVlanType.PUSH.equals(outputVlanType) || OutputVlanType.NONE.equals(outputVlanType));
    }

    public static boolean validateSwitchId(SwitchId switchId) {
        // TODO: check valid switch id
        return switchId != null;
    }
}