Merge 3e335fd into 30c85ad

src/main/java/org/apache/commons/lang3/SystemUtils.java

@@ -1480,6 +1480,43 @@ public class SystemUtils {
     // os.version = 02.02.00
     public static final boolean IS_OS_ZOS = getOSMatchesName("z/OS");
 
+    /**
+     * <p>
+     * Is {@code true} if the os.arch System Property matches the following {@link String}'s:
+     * <ul>
+     * <li>x8632</li>
+     * <li>x86</li>
+     * <li>i386 - i686</li>
+     * <li>ia32</li>
+     * <li>x32</li>
+     * </ul>
+     * </p>
+     * <p>
+     * Important: The os.arch System Property returns the architecture used by the JVM
+     * not of the operating system. E.g. a 32 bit JVM installed on a Windows 64 bit returns
+     * {@code true}.
+     * </p>
+     */
+    public static final boolean IS_32_BIT_JVM = OS_ARCH.matches("^(x8632|x86|i[3-6]86|ia32|x32)$");
+
+    /**
+     * <p>
+     * Is {@code true} if the os.arch System Property matches the following {@link String}'s:
+     * <ul>
+     * <li>x8664</li>
+     * <li>amd64</li>
+     * <li>ia32e</li>
+     * <li>em64t</li>
+     * <li>x64</li>
+     * </ul>
+     * </p>
+     * <p>
+     * Important: The os.arch System Property returns the architecture used by the JVM
+     * not of the operating system.
+     * </p>
+     */
+    public static boolean IS_64_BIT_JVM = OS_ARCH.matches("^(x8664|amd64|ia32e|em64t|x64)$");
+
     /**
      * <p>
      * Gets the Java home directory as a {@code File}.