com.mobius.software.mqtt.performance.runner.util.FileUtil.java Source code

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Here is the source code for com.mobius.software.mqtt.performance.runner.util.FileUtil.java

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/**
 * Mobius Software LTD
 * Copyright 2015-2016, Mobius Software LTD
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package com.mobius.software.mqtt.performance.runner.util;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URISyntaxException;
import java.util.List;
import java.util.UUID;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.mobius.software.mqtt.performance.commons.data.ClientReport;
import com.mobius.software.mqtt.performance.commons.data.ErrorReport;
import com.mobius.software.mqtt.performance.runner.ScenarioRunner;

public class FileUtil {
    private static final Log logger = LogFactory.getLog(FileUtil.class);

    private static final String DIRECTORY_NAME = "errors";
    private static final String LOG_EXTENSION = ".log";

    public static File readFile(String filename) throws URISyntaxException, IllegalArgumentException {
        String path = ScenarioRunner.class.getProtectionDomain().getCodeSource().getLocation().toURI().getPath();
        File file = new File(path).getParentFile();
        file = new File(file.getPath() + File.separator + filename);
        if (!file.exists())
            throw new IllegalArgumentException("file not found: " + filename);
        return file;
    }

    public static void logErrors(UUID scenarioID, List<ClientReport> reports) {
        if (reports.isEmpty())
            return;

        String filename = DIRECTORY_NAME + File.separator + scenarioID.toString() + LOG_EXTENSION;
        File log = new File(filename);
        if (!log.getParentFile().exists())
            log.getParentFile().mkdir();
        try (PrintWriter pw = new PrintWriter(log)) {
            for (ClientReport clientReport : reports) {
                List<ErrorReport> errorReports = clientReport.getErrors();
                if (!errorReports.isEmpty()) {
                    String errorContent = ReportBuilder.buildError(clientReport.getIdentifier(), errorReports);
                    pw.println(errorContent);
                }
            }
        } catch (IOException e) {
            logger.error("An error occured while writing error reports to file:" + e.getMessage());
        }

        if (log.length() == 0)
            log.delete();
    }
}