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/**
* Copyright 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.common.os;
import java.security.AccessController;
import java.security.PrivilegedAction;
import jogamp.common.os.MachineDescriptionRuntime;
/**
* Utility class for querying platform specific properties.
* @author Michael Bien
* @author Sven Gothel
*/
public class Platform {
public static final boolean JAVA_SE;
public static final String OS;
public static final String OS_lower;
public static final String OS_VERSION;
public static final String ARCH;
public static final String ARCH_lower;
public static final String JAVA_VENDOR;
public static final String JAVA_VENDOR_URL;
public static final String JAVA_VERSION;
public static final String NEWLINE;
public enum OSType {
LINUX(0), FREEBSD(1), ANDROID(2), MACOS(3), SUNOS(4), HPUX(5), WINDOWS(6), OPENKODE(7);
public final int id;
OSType(int id){
this.id = id;
}
}
public static final OSType OS_TYPE;
public enum CPUFamily {
/** AMD/Intel */
X86( 0x00000000),
/** ARM */
ARM( 0x00010000),
/** Power PC */
PPC( 0x00020000),
/** SPARC */
SPARC( 0x00030000),
/** PA RISC */
PA_RISC(0xFFFF0000),
/** Itanium */
IA64( 0xFFFF1000);
public final int id;
CPUFamily(int id){
this.id = id;
}
}
public enum CPUType {
/** X86 32bit */
X86_32( CPUFamily.X86, 0x0001),
/** X86 64bit */
X86_64( CPUFamily.X86, 0x0002),
/** ARM default */
ARM( CPUFamily.ARM, 0x0000),
/** ARM7EJ, ARM9E, ARM10E, XScale */
ARMv5( CPUFamily.ARM, 0x0001),
/** ARM11 */
ARMv6( CPUFamily.ARM, 0x0002),
/** ARM Cortex */
ARMv7( CPUFamily.ARM, 0x0004),
/** PPC default */
PPC( CPUFamily.PPC, 0x0000),
/** SPARC 32bit */
SPARC_32( CPUFamily.SPARC, 0x0001),
/** SPARC 64bit */
SPARCV9_64(CPUFamily.SPARC, 0x0002),
/** Itanium default */
IA64( CPUFamily.IA64, 0x0000),
/** PA_RISC2_0 */
PA_RISC2_0(CPUFamily.PA_RISC, 0x0001);
public final int id;
public final CPUFamily family;
CPUType(CPUFamily type, int id){
this.family = type;
this.id = id;
}
public CPUFamily getFamily() { return family; }
}
public static final CPUType CPU_ARCH;
private static final boolean is32Bit;
private static final MachineDescription machineDescription;
static {
// We don't seem to need an AccessController.doPrivileged() block
// here as these system properties are visible even to unsigned
// applets
OS = System.getProperty("os.name");
OS_lower = OS.toLowerCase();
OS_VERSION = System.getProperty("os.version");
ARCH = System.getProperty("os.arch");
ARCH_lower = ARCH.toLowerCase();
JAVA_VENDOR = System.getProperty("java.vendor");
JAVA_VENDOR_URL = System.getProperty("java.vendor.url");
JAVA_VERSION = System.getProperty("java.version");
NEWLINE = System.getProperty("line.separator");
JAVA_SE = initIsJavaSE();
if( ARCH_lower.equals("x86") ||
ARCH_lower.equals("i386") ||
ARCH_lower.equals("i486") ||
ARCH_lower.equals("i586") ||
ARCH_lower.equals("i686") ) {
CPU_ARCH = CPUType.X86_32;
} else if( ARCH_lower.equals("x86_64") ||
ARCH_lower.equals("amd64") ) {
CPU_ARCH = CPUType.X86_64;
} else if( ARCH_lower.equals("ia64") ) {
CPU_ARCH = CPUType.IA64;
} else if( ARCH_lower.equals("arm") ) {
CPU_ARCH = CPUType.ARM;
} else if( ARCH_lower.equals("armv5l") ) {
CPU_ARCH = CPUType.ARMv5;
} else if( ARCH_lower.equals("armv6l") ) {
CPU_ARCH = CPUType.ARMv6;
} else if( ARCH_lower.equals("armv7l") ) {
CPU_ARCH = CPUType.ARMv7;
} else if( ARCH_lower.equals("sparc") ) {
CPU_ARCH = CPUType.SPARC_32;
} else if( ARCH_lower.equals("sparcv9") ) {
CPU_ARCH = CPUType.SPARCV9_64;
} else if( ARCH_lower.equals("pa_risc2.0") ) {
CPU_ARCH = CPUType.PA_RISC2_0;
} else if( ARCH_lower.equals("ppc") ) {
CPU_ARCH = CPUType.PPC;
} else {
throw new RuntimeException("Please port CPU detection to your platform (" + OS_lower + "/" + ARCH_lower + ")");
}
OS_TYPE = getOSTypeImpl();
machineDescription = MachineDescriptionRuntime.getMachineDescription(getIs32BitByCPUArchImpl());
is32Bit = machineDescription.is32Bit();
}
private Platform() {}
private static boolean getIs32BitByCPUArchImpl() throws RuntimeException {
switch( CPU_ARCH ) {
case X86_32:
case ARM:
case ARMv5:
case ARMv6:
case ARMv7:
case SPARC_32:
case PPC:
return true;
case X86_64:
case IA64:
case SPARCV9_64:
case PA_RISC2_0:
return false;
default:
throw new RuntimeException("Please port CPU detection (32/64 bit) to your platform (" + Platform.OS_lower + "/" + Platform.ARCH_lower + "("+Platform.CPU_ARCH+"))");
}
}
private static OSType getOSTypeImpl() throws RuntimeException {
if ( OS_lower.startsWith("linux") ) {
return OSType.LINUX;
}
if ( OS_lower.startsWith("freebsd") ) {
return OSType.FREEBSD;
}
if ( OS_lower.startsWith("android") ) {
return OSType.ANDROID;
}
if ( OS_lower.startsWith("mac os x") ||
OS_lower.startsWith("darwin") ) {
return OSType.MACOS;
}
if ( OS_lower.startsWith("sunos") ) {
return OSType.SUNOS;
}
if ( OS_lower.startsWith("hp-ux") ) {
return OSType.HPUX;
}
if ( OS_lower.startsWith("windows") ) {
return OSType.WINDOWS;
}
if ( OS_lower.startsWith("kd") ) {
return OSType.OPENKODE;
}
throw new RuntimeException("Please port OS detection to your platform (" + OS_lower + "/" + ARCH_lower + ")");
}
private static boolean initIsJavaSE() {
// the fast path, check property Java SE instead of traversing through the ClassLoader
String java_runtime_name = (String) AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
return System.getProperty("java.runtime.name");
}
});
if(java_runtime_name.indexOf("Java SE") != -1) {
return true;
}
// probe for classes we need on a SE environment
try {
Class.forName("java.nio.LongBuffer");
Class.forName("java.nio.DoubleBuffer");
return true;
} catch(ClassNotFoundException ex) {
// continue with Java SE check
}
return false;
}
/**
* Returns true only if this program is running on the Java Standard Edition.
*/
public static boolean isJavaSE() {
return JAVA_SE;
}
/**
* Returns the OS name.
*/
public static String getOS() {
return OS;
}
/**
* Returns the OS version.
*/
public static String getOSVersion() {
return OS_VERSION;
}
/**
* Returns the CPU architecture String.
*/
public static String getArch() {
return ARCH;
}
/**
* Returns the OS type.
*/
public static OSType getOSType() {
return OS_TYPE;
}
/**
* Returns the CPU type.
*/
public static CPUFamily getCPUFamily() {
return CPU_ARCH.getFamily();
}
/**
* Returns the CPU architecture.
*/
public static CPUType getCPUType() {
return CPU_ARCH;
}
/**
* Returns the JAVA.
*/
public static String getJavaVendor() {
return JAVA_VENDOR;
}
/**
* Returns the JAVA vendor url.
*/
public static String getJavaVendorURL() {
return JAVA_VENDOR_URL;
}
/**
* Returns the JAVA vendor.
*/
public static String getJavaVersion() {
return JAVA_VERSION;
}
/**
* Returns the JAVA vendor.
*/
public static String getNewline() {
return NEWLINE;
}
/**
* Returns true if this JVM/ARCH is 32bit.
* <p>Shortcut to {@link #getMachineDescription()}.{@link MachineDescription#is32Bit() is32Bit()}</p>
*/
public static boolean is32Bit() {
// return Platform.machineDescription.is32Bit();
return Platform.is32Bit; // used very often
}
/**
* Returns true if this JVM/ARCH is 64bit.
* <p>Shortcut to {@link #getMachineDescription()}.{@link MachineDescription#is32Bit() is64Bit()}</p>
*/
public static boolean is64Bit() {
// return Platform.machineDescription.is64Bit();
return !Platform.is32Bit; // used very often
}
/**
* Returns the MachineDescription of the running machine.
*/
public static MachineDescription getMachineDescription() {
return machineDescription;
}
}
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