nbbrd.io.sys.OS Maven / Gradle / Ivy
/*
* Copyright 2019 National Bank of Belgium
*
* Licensed under the EUPL, Version 1.1 or - as soon they will be approved
* by the European Commission - subsequent versions of the EUPL (the "Licence");
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
*
* http://ec.europa.eu/idabc/eupl
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the Licence is distributed on an "AS IS" basis,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Licence for the specific language governing permissions and
* limitations under the Licence.
*/
package nbbrd.io.sys;
import lombok.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
import java.util.Locale;
/**
* @author Philippe Charles
*/
@lombok.experimental.UtilityClass
public class OS {
public static final Name NAME = Name.parse(System.getProperty("os.name"));
public enum Name {
WINDOWS, LINUX, SOLARIS, MACOS, UNKNOWN;
public static @NonNull Name parse(@Nullable String osName) {
if (osName != null) {
String str = osName.toLowerCase(Locale.ROOT);
if (str.contains("win")) return WINDOWS;
if (str.contains("linux")) return LINUX;
if (str.contains("solaris") || str.contains("sunos")) return SOLARIS;
if (str.contains("mac")) return MACOS;
}
return UNKNOWN;
}
}
}