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* except in compliance with the License. You may obtain a copy of
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*
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* rights and limitations under the License.
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*
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/**
* $Id: $
*/
package jnr.posix.util;
import java.util.
HashMap;
import java.util.
Map;
public class
Platform {
public static final
String OS_NAME =
System.
getProperty("os.name");
public static final
String OS_NAME_LC =
OS_NAME.
toLowerCase();
// Generic Windows designation
private static final
String WINDOWS = "windows";
// For Windows 95, 98... Would these platforms actually work?
private static final
String WINDOWS_9X = "windows 9";
// TODO: Windows ME?
private static final
String WINDOWS_NT = "nt";
private static final
String WINDOWS_20X = "windows 2";
private static final
String WINDOWS_XP = "windows xp";
private static final
String WINDOWS_SERVER = "server";
private static final
String WINDOWS_VISTA = "vista";
private static final
String WINDOWS_7 = "windows 7";
private static final
String MAC_OS = "mac os";
private static final
String DARWIN = "darwin";
private static final
String FREEBSD = "freebsd";
private static final
String OPENBSD = "openbsd";
private static final
String LINUX = "linux";
private static final
String SOLARIS = "sunos";
// TODO: investigate supported platforms for OpenJDK7?
public static final boolean
IS_WINDOWS =
OS_NAME_LC.
indexOf(
WINDOWS) != -1;
public static final boolean
IS_WINDOWS_9X =
OS_NAME_LC.
indexOf(
WINDOWS_9X) > -1;
public static final boolean
IS_WINDOWS_NT =
IS_WINDOWS &&
OS_NAME_LC.
indexOf(
WINDOWS_NT) > -1;
public static final boolean
IS_WINDOWS_20X =
OS_NAME_LC.
indexOf(
WINDOWS_20X) > -1;
public static final boolean
IS_WINDOWS_XP =
OS_NAME_LC.
indexOf(
WINDOWS_XP) > -1;
public static final boolean
IS_WINDOWS_VISTA =
IS_WINDOWS &&
OS_NAME_LC.
indexOf(
WINDOWS_VISTA) > -1;
public static final boolean
IS_WINDOWS_SERVER =
IS_WINDOWS &&
OS_NAME_LC.
indexOf(
WINDOWS_SERVER) > -1;
public static final boolean
IS_WINDOWS_7 =
IS_WINDOWS &&
OS_NAME_LC.
indexOf(
WINDOWS_7) > -1;
public static final boolean
IS_MAC =
OS_NAME_LC.
startsWith(
MAC_OS) ||
OS_NAME_LC.
startsWith(
DARWIN);
public static final boolean
IS_FREEBSD =
OS_NAME_LC.
startsWith(
FREEBSD);
public static final boolean
IS_OPENBSD =
OS_NAME_LC.
startsWith(
OPENBSD);
public static final boolean
IS_LINUX =
OS_NAME_LC.
startsWith(
LINUX);
public static final boolean
IS_SOLARIS =
OS_NAME_LC.
startsWith(
SOLARIS);
public static final boolean
IS_BSD =
IS_MAC ||
IS_FREEBSD ||
IS_OPENBSD;
public static final
String envCommand() {
if (
IS_WINDOWS) {
if (
IS_WINDOWS_9X) {
return "command.com /c set";
} else if (
IS_WINDOWS_NT ||
IS_WINDOWS_20X ||
IS_WINDOWS_XP ||
IS_WINDOWS_SERVER ||
IS_WINDOWS_VISTA ||
IS_WINDOWS_7) {
return "cmd.exe /c set";
}
}
return "env";
}
public static final boolean
IS_32_BIT = "32".
equals(
getProperty("sun.arch.data.model", "32"));
public static final boolean
IS_64_BIT = "64".
equals(
getProperty("sun.arch.data.model", "64"));
public static final
String ARCH;
static {
String arch =
System.
getProperty("os.arch");
if (
arch.
equals("amd64"))
arch = "x86_64";
ARCH =
arch;
}
public static final
Map<
String,
String>
OS_NAMES = new
HashMap<
String,
String>();
static {
OS_NAMES.
put("Mac OS X",
DARWIN);
OS_NAMES.
put("Darwin",
DARWIN);
OS_NAMES.
put("Linux",
LINUX);
}
public static
String getOSName() {
String theOSName =
OS_NAMES.
get(
OS_NAME);
return
theOSName == null ?
OS_NAME :
theOSName;
}
/**
* An extension over <code>System.getProperty</code> method.
* Handles security restrictions, and returns the default
* value if the access to the property is restricted.
* @param property The system property name.
* @param defValue The default value.
* @return The value of the system property,
* or the default value.
*/
public static
String getProperty(
String property,
String defValue) {
try {
return
System.
getProperty(
property,
defValue);
} catch (
SecurityException se) {
return
defValue;
}
}
}