PrefixBasedNamingStrategy.java

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/* Copyright 2018 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.config.naming;

import static java.lang.String.format;
import static java.util.Objects.requireNonNull;

public abstract class PrefixBasedNamingStrategy {
    private final String prefix;

    protected PrefixBasedNamingStrategy(String prefix) {
        this.prefix = requireNonNull(prefix, "prefix cannot be null").trim();
    }

    protected String formatWithPrefix(String name) {
        return prefix.isEmpty() ? name : format("%s_%s", prefix, name);
    }
}