com.epam.ta.reportportal.util.SystemInformatorService.java Source code

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Here is the source code for com.epam.ta.reportportal.util.SystemInformatorService.java

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/*
 * Copyright 2016 EPAM Systems
 * 
 * 
 * This file is part of EPAM Report Portal.
 * https://github.com/reportportal/service-api
 * 
 * Report Portal is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Report Portal 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Report Portal.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.epam.ta.reportportal.util;

import com.epam.ta.reportportal.ws.model.SystemInfoRS;
import com.sun.management.OperatingSystemMXBean;
import org.springframework.stereotype.Service;

import java.lang.management.ManagementFactory;

/**
 * System load information
 * 
 * @author Andrei_Ramanchuk
 */
@Service("systemInfo")
public class SystemInformatorService {

    private String OS_FORMATTER = "%s ver.%s arch.%s";
    private OperatingSystemMXBean oper;

    public SystemInformatorService() {
        this.oper = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
    }

    public SystemInfoRS getSystemInformation() {
        SystemInfoRS response = new SystemInfoRS();
        response.setOsVersion(this.getFormattedOs());
        response.setCpuUsage(this.getFormattedCPU());
        response.setMemUsage(this.getMemLoad());
        return response;
    }

    /**
     * Get formatted string of server OS
     */
    private String getFormattedOs() {
        return String.format(OS_FORMATTER, oper.getName(), oper.getVersion(), oper.getArch());
    }

    /**
     * Get formatted string of server CPU usage in percent
     */
    private float getFormattedCPU() {
        return Double.valueOf(oper.getSystemCpuLoad() * 100).floatValue();
    }

    /**
     * Get formatted string of server MEM usage in percent
     */
    private float getMemLoad() {
        float leftPerc = ((float) oper.getFreePhysicalMemorySize() / oper.getTotalPhysicalMemorySize()) * 100;
        return 100 - leftPerc;
    }
}