src/main/java/org/apache/cassandra/sidecar/utils/MetricUtils.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.cassandra.sidecar.utils;

/**
 * Utilities for Metrics related operations
 */
public class MetricUtils
{
    /**
     * Returns extension of SSTable components. For e.g. for nb-1-big-Data.db component returns db. This extension
     * is used for marking metrics that are captured specific to SSTable components.
     *
     * @param filename name of SSTable component
     * @return String extension of SSTable component, if none found "default" is returned
     */
    public static String sstableExtension(String filename)
    {
        int index = filename.lastIndexOf('.');
        if (index != -1)
        {
            return filename.substring(index + 1);
        }
        return "default";
    }
}