| /* |
| * 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.tajo.util; |
| |
| public class PlatformUtil { |
| public static enum OsType { |
| WINDOWS, |
| MAC, |
| LINUX_OR_UNIX, |
| SOLARIS, |
| UNKNOWN |
| } |
| |
| public static String getOsName() { |
| return System.getProperty("os.name").toLowerCase(); |
| } |
| |
| public static OsType getOsType() { |
| String osName = System.getProperty("os.name").toLowerCase(); |
| |
| if (PlatformUtil.isWindows(osName)) { |
| return OsType.WINDOWS; |
| } else if (isMac(osName)) { |
| return OsType.MAC; |
| } else if (isUnix(osName)) { |
| return OsType.LINUX_OR_UNIX; |
| } else if (isSolaris(osName)) { |
| return OsType.SOLARIS; |
| } else { |
| throw new RuntimeException("Unknown OS Type: " + osName); |
| } |
| } |
| |
| private static boolean isWindows(String osName) { |
| return (osName.indexOf("win") >= 0); |
| } |
| |
| private static boolean isMac(String osName) { |
| return (osName.indexOf("mac") >= 0); |
| } |
| |
| private static boolean isUnix(String osName) { |
| return (osName.indexOf("nix") >= 0 || osName.indexOf("nux") >= 0 || osName.indexOf("aix") > 0 ); |
| } |
| |
| private static boolean isSolaris(String osName) { |
| return (osName.indexOf("sunos") >= 0) || (osName.indexOf("solaris") >= 0); |
| } |
| } |