/*
* 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;
}
}