org.rocksdb.util.Environment Maven / Gradle / Ivy
package org.rocksdb.util;
public class Environment {
private static String OS = System.getProperty("os.name").toLowerCase();
private static String ARCH = System.getProperty("os.arch").toLowerCase();
public static boolean isPowerPC() {
return ARCH.contains("ppc");
}
public static boolean isS390x() {
return ARCH.contains("s390x");
}
public static boolean isWindows() {
return (OS.contains("win"));
}
public static boolean isFreeBSD() {
return (OS.contains("freebsd"));
}
public static boolean isMac() {
return (OS.contains("mac"));
}
public static boolean isAix() {
return OS.contains("aix");
}
public static boolean isUnix() {
return OS.contains("nix") ||
OS.contains("nux");
}
public static boolean isSolaris() {
return OS.contains("sunos");
}
public static boolean isOpenBSD() {
return (OS.contains("openbsd"));
}
public static boolean is64Bit() {
if (ARCH.indexOf("sparcv9") >= 0) {
return true;
}
return (ARCH.indexOf("64") > 0);
}
public static String getSharedLibraryName(final String name) {
return name + "jni";
}
public static String getSharedLibraryFileName(final String name) {
return appendLibOsSuffix("lib" + getSharedLibraryName(name), true);
}
public static String getJniLibraryName(final String name) {
if (isUnix()) {
final String arch = is64Bit() ? "64" : "32";
if(isPowerPC()) {
return String.format("%sjni-linux-%s", name, ARCH);
} else if(isS390x()) {
return String.format("%sjni-linux%s", name, ARCH);
} else {
return String.format("%sjni-linux%s", name, arch);
}
} else if (isMac()) {
return String.format("%sjni-osx", name);
} else if (isFreeBSD()) {
return String.format("%sjni-freebsd%s", name, is64Bit() ? "64" : "32");
} else if (isAix() && is64Bit()) {
return String.format("%sjni-aix64", name);
} else if (isSolaris()) {
final String arch = is64Bit() ? "64" : "32";
return String.format("%sjni-solaris%s", name, arch);
} else if (isWindows() && is64Bit()) {
return String.format("%sjni-win64", name);
} else if (isOpenBSD()) {
return String.format("%sjni-openbsd%s", name, is64Bit() ? "64" : "32");
}
throw new UnsupportedOperationException(String.format("Cannot determine JNI library name for ARCH='%s' OS='%s' name='%s'", ARCH, OS, name));
}
public static String getJniLibraryFileName(final String name) {
return appendLibOsSuffix("lib" + getJniLibraryName(name), false);
}
private static String appendLibOsSuffix(final String libraryFileName, final boolean shared) {
if (isUnix() || isAix() || isSolaris() || isFreeBSD() || isOpenBSD()) {
return libraryFileName + ".so";
} else if (isMac()) {
return libraryFileName + (shared ? ".dylib" : ".jnilib");
} else if (isWindows()) {
return libraryFileName + ".dll";
}
throw new UnsupportedOperationException();
}
public static String getJniLibraryExtension() {
if (isWindows()) {
return ".dll";
}
return (isMac()) ? ".jnilib" : ".so";
}
}