/*
 * Copyright 2014-2017 Real Logic Ltd.
 *
 * 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.agrona;

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;

/**
 * Utilities for inspecting the system.
 */
public class SystemUtil
{
    private static final String OS_NAME;

    static
    {
        OS_NAME = System.getProperty("os.name").toLowerCase();
    }

    /**
     * Get the name of the operating system as a lower case String.
     * <p>
     * This is what is returned from System.getProperty("os.name").toLowerCase().
     *
     * @return the name of the operating system as a lower case String.
     */
    public static String osName()
    {
        return OS_NAME;
    }

    /**
     * Is a debugger attached to the JVM?
     *
     * @return true if attached otherwise false.
     */
    public static boolean isDebuggerAttached()
    {
        final RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();

        for (final String arg : runtimeMXBean.getInputArguments())
        {
            if (arg.contains("-agentlib:jdwp"))
            {
                return true;
            }
        }

        return false;
    }
}

@@ -614,16 +614,97 @@
 grona;%0A%0A
+import java.io.File;%0Aimport java.io.FileInputStream;%0Aimport java.io.InputStream;%0A
 import j
@@ -784,16 +784,66 @@
 eMXBean;
+%0Aimport java.net.URL;%0Aimport java.util.Properties;
 %0A%0A/**%0A *
@@ -1836,11 +1836,1728 @@
 e;%0A    %7D
+%0A%0A    /**%0A     * Load system properties from a given filename or url.%0A     * %3Cp%3E%0A     * File is first searched for in resources using the system %7B@link ClassLoader%7D,%0A     * then file system, then URL. All are loaded if multiples found.%0A     *%0A     * @param filenameOrUrl that holds properties%0A     */%0A    public static void loadPropertiesFile(final String filenameOrUrl)%0A    %7B%0A        final Properties properties = new Properties(System.getProperties());%0A%0A        final URL resource = ClassLoader.getSystemClassLoader().getResource(filenameOrUrl);%0A        if (null != resource)%0A        %7B%0A            try (InputStream in = resource.openStream())%0A            %7B%0A                properties.load(in);%0A            %7D%0A            catch (final Exception ignore)%0A            %7B%0A            %7D%0A        %7D%0A%0A        final File file = new File(filenameOrUrl);%0A        if (file.exists())%0A        %7B%0A            try (FileInputStream in = new FileInputStream(file))%0A            %7B%0A                properties.load(in);%0A            %7D%0A            catch (final Exception ignore)%0A            %7B%0A            %7D%0A        %7D%0A%0A        try (InputStream in = new URL(filenameOrUrl).openStream())%0A        %7B%0A            properties.load(in);%0A        %7D%0A        catch (final Exception ignore)%0A        %7B%0A        %7D%0A%0A        System.setProperties(properties);%0A    %7D%0A%0A    /**%0A     * Load system properties from a given set of filenames or URLs.%0A     *%0A     * @param filenamesOrUrls that holds properties%0A     * @see #loadPropertiesFile(String)%0A     */%0A    public static void loadPropertiesFiles(final String%5B%5D filenamesOrUrls)%0A    %7B%0A        for (final String filenameOrUrl : filenamesOrUrls)%0A        %7B%0A            loadPropertiesFile(filenameOrUrl);%0A        %7D%0A    %7D
 %0A%7D%0A

Load system properties as SystemUtil methods.