| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.maven.utils; |
| |
| import java.util.Locale; |
| import java.util.stream.Stream; |
| |
| /** |
| * OS support |
| */ |
| public class Os { |
| |
| /** |
| * The OS Name. |
| */ |
| public static final String OS_NAME = System.getProperty("os.name").toLowerCase(Locale.ENGLISH); |
| |
| /** |
| * The OA architecture. |
| */ |
| public static final String OS_ARCH = System.getProperty("os.arch").toLowerCase(Locale.ENGLISH); |
| |
| /** |
| * The OS version. |
| */ |
| public static final String OS_VERSION = System.getProperty("os.version").toLowerCase(Locale.ENGLISH); |
| |
| /** |
| * OS Family |
| */ |
| public static final String OS_FAMILY; |
| |
| /** |
| * Boolean indicating if the running OS is a Windows system. |
| */ |
| public static final boolean IS_WINDOWS; |
| |
| /** |
| * OS family that can be tested for. {@value} |
| */ |
| private static final String FAMILY_WINDOWS = "windows"; |
| |
| /** |
| * OS family that can be tested for. {@value} |
| */ |
| private static final String FAMILY_WIN9X = "win9x"; |
| |
| /** |
| * OS family that can be tested for. {@value} |
| */ |
| public static final String FAMILY_NT = "winnt"; |
| |
| /** |
| * OS family that can be tested for. {@value} |
| */ |
| private static final String FAMILY_OS2 = "os/2"; |
| |
| /** |
| * OS family that can be tested for. {@value} |
| */ |
| private static final String FAMILY_NETWARE = "netware"; |
| |
| /** |
| * OS family that can be tested for. {@value} |
| */ |
| private static final String FAMILY_DOS = "dos"; |
| |
| /** |
| * OS family that can be tested for. {@value} |
| */ |
| private static final String FAMILY_MAC = "mac"; |
| |
| /** |
| * OS family that can be tested for. {@value} |
| */ |
| private static final String FAMILY_TANDEM = "tandem"; |
| |
| /** |
| * OS family that can be tested for. {@value} |
| */ |
| private static final String FAMILY_UNIX = "unix"; |
| |
| /** |
| * OS family that can be tested for. {@value} |
| */ |
| private static final String FAMILY_OPENVMS = "openvms"; |
| |
| /** |
| * OS family that can be tested for. {@value} |
| */ |
| private static final String FAMILY_ZOS = "z/os"; |
| |
| /** |
| * OS family that can be tested for. {@value} |
| */ |
| private static final String FAMILY_OS400 = "os/400"; |
| |
| /** |
| * OpenJDK is reported to call MacOS X "Darwin" |
| * |
| * @see <a href="https://issues.apache.org/bugzilla/show_bug.cgi?id=44889">bugzilla issue</a> |
| * @see <a href="https://issues.apache.org/jira/browse/HADOOP-3318">HADOOP-3318</a> |
| */ |
| private static final String DARWIN = "darwin"; |
| |
| /** |
| * The path separator. |
| */ |
| private static final String PATH_SEP = System.getProperty("path.separator"); |
| |
| static { |
| // Those two public constants are initialized here, as they need all the private constants |
| // above to be initialized first, but the code style imposes the public constants to be |
| // defined above the private ones... |
| OS_FAMILY = getOsFamily(); |
| IS_WINDOWS = isFamily(FAMILY_WINDOWS); |
| } |
| |
| private Os() {} |
| |
| /** |
| * Determines if the OS on which Maven is executing matches the |
| * given OS family. |
| * |
| * @param family the family to check for |
| * @return true if the OS matches |
| * |
| */ |
| public static boolean isFamily(String family) { |
| // windows probing logic relies on the word 'windows' in the OS |
| boolean isWindows = OS_NAME.contains(FAMILY_WINDOWS); |
| boolean is9x = false; |
| boolean isNT = false; |
| if (isWindows) { |
| // there are only four 9x platforms that we look for |
| is9x = (OS_NAME.contains("95") |
| || OS_NAME.contains("98") |
| || OS_NAME.contains("me") |
| // wince isn't really 9x, but crippled enough to |
| // be a muchness. Maven doesnt run on CE, anyway. |
| || OS_NAME.contains("ce")); |
| isNT = !is9x; |
| } |
| switch (family) { |
| case FAMILY_WINDOWS: |
| return isWindows; |
| case FAMILY_WIN9X: |
| return isWindows && is9x; |
| case FAMILY_NT: |
| return isWindows && isNT; |
| case FAMILY_OS2: |
| return OS_NAME.contains(FAMILY_OS2); |
| case FAMILY_NETWARE: |
| return OS_NAME.contains(FAMILY_NETWARE); |
| case FAMILY_DOS: |
| return PATH_SEP.equals(";") && !isFamily(FAMILY_NETWARE); |
| case FAMILY_MAC: |
| return OS_NAME.contains(FAMILY_MAC) || OS_NAME.contains(DARWIN); |
| case FAMILY_TANDEM: |
| return OS_NAME.contains("nonstop_kernel"); |
| case FAMILY_UNIX: |
| return PATH_SEP.equals(":") |
| && !isFamily(FAMILY_OPENVMS) |
| && (!isFamily(FAMILY_MAC) || OS_NAME.endsWith("x") || OS_NAME.contains(DARWIN)); |
| case FAMILY_ZOS: |
| return OS_NAME.contains(FAMILY_ZOS) || OS_NAME.contains("os/390"); |
| case FAMILY_OS400: |
| return OS_NAME.contains(FAMILY_OS400); |
| case FAMILY_OPENVMS: |
| return OS_NAME.contains(FAMILY_OPENVMS); |
| default: |
| return OS_NAME.contains(family.toLowerCase(Locale.US)); |
| } |
| } |
| |
| /** |
| * Helper method to determine the current OS family. |
| * |
| * @return name of current OS family. |
| */ |
| private static String getOsFamily() { |
| return Stream.of( |
| FAMILY_DOS, |
| FAMILY_MAC, |
| FAMILY_NETWARE, |
| FAMILY_NT, |
| FAMILY_OPENVMS, |
| FAMILY_OS2, |
| FAMILY_OS400, |
| FAMILY_TANDEM, |
| FAMILY_UNIX, |
| FAMILY_WIN9X, |
| FAMILY_WINDOWS, |
| FAMILY_ZOS) |
| .filter(Os::isFamily) |
| .findFirst() |
| .orElse(null); |
| } |
| } |