| /* |
| * 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.harmony.misc; |
| |
| /** |
| * Some system utils |
| */ |
| public class SystemUtils { |
| // Public constants |
| // OSes |
| public static final int OS_WINDOWS = 1; |
| public static final int OS_LINUX = 2; |
| public static final int OS_UNKNOWN = -1; |
| |
| // Architectures |
| public static final int ARC_IA32 = 1; |
| public static final int ARC_IA64 = 2; |
| public static final int ARC_UNKNOWN = -1; |
| |
| // Private fields |
| private static int os = 0; |
| private static int arc = 0; |
| |
| /** |
| * getOS method returns on of the operating system codes: |
| * OS_WINDOWS, OS_LINUX or OS_UNKNOWN |
| * @return Operating system code |
| */ |
| public static int getOS() { |
| if (os == 0) { |
| String osname = System.getProperty("os.name").substring(0,3); //$NON-NLS-1$ |
| if (osname.compareToIgnoreCase("win") == 0) { //$NON-NLS-1$ |
| os = OS_WINDOWS; |
| } else { |
| if (osname.compareToIgnoreCase("lin") == 0) { //$NON-NLS-1$ |
| os = OS_LINUX; |
| } else |
| os = OS_UNKNOWN; |
| } |
| } |
| return os; |
| } |
| } |