org.kurento.test.monitor.StatsOperation.java Source code

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Here is the source code for org.kurento.test.monitor.StatsOperation.java

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/*
 * (C) Copyright 2014 Kurento (http://kurento.org/)
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl-2.1.html
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 */
package org.kurento.test.monitor;

import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.google.common.base.Charsets;
import com.google.common.io.CharStreams;

/**
 * Statistic enumeration.
 *
 * @author Boni Garcia (bgarcia@gsyc.es)
 * @since 5.0.5
 */
public enum StatsOperation {

    AVG, SUM, DEL;

    private static Map<String, StatsOperation> statsOperationMap;
    private static final String DEFAULT_CSV_FILE = "stats.csv";
    private static final String CSV_FILE_SEPARATOR = ",";

    public static StatsOperation getType(String opStr) {
        StatsOperation op = null;
        if (opStr.equalsIgnoreCase("avg")) {
            op = AVG;
        } else if (opStr.equalsIgnoreCase("sum")) {
            op = SUM;
        } else if (opStr.equalsIgnoreCase("del")) {
            op = DEL;
        }
        return op;
    }

    public static Map<String, StatsOperation> map() {
        return map(DEFAULT_CSV_FILE);
    }

    @Override
    public String toString() {
        return "_" + super.toString().toLowerCase();
    }

    public static Map<String, StatsOperation> map(String csvFile) {
        if (statsOperationMap == null) {
            statsOperationMap = new HashMap<>();

            InputStream inputStream = StatsOperation.class.getClassLoader().getResourceAsStream(csvFile);
            try {
                List<String> csv = CharStreams.readLines(new InputStreamReader(inputStream, Charsets.UTF_8));
                for (String line : csv) {
                    String[] values = line.split(CSV_FILE_SEPARATOR);
                    statsOperationMap.put(values[1] + "_" + values[0], StatsOperation.getType(values[2]));
                }
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
        return statsOperationMap;
    }

}