Replaced SystemInfo.getMachineArchitecture() with getArchitecture() and getArchitectureName().

src/main/java/net/rubygrapefruit/platform/SystemInfo.java

@@ -21,6 +21,8 @@ package net.rubygrapefruit.platform;
  */
 @ThreadSafe
 public interface SystemInfo extends NativeIntegration {
+    enum Architecture { i386, amd64 }
+
     /**
      * Returns the name of the kernel for the current operating system.
      */
@@ -33,9 +35,15 @@ public interface SystemInfo extends NativeIntegration {
     @ThreadSafe
     String getKernelVersion();
 
+    /**
+     * Returns the machine architecture name, as reported by the operating system.
+     */
+    @ThreadSafe
+    String getArchitectureName();
+
     /**
      * Returns the machine architecture, as reported by the operating system.
      */
     @ThreadSafe
-    String getMachineArchitecture();
+    Architecture getArchitecture();
 }

src/main/java/net/rubygrapefruit/platform/internal/DefaultSystemInfo.java

@@ -32,18 +32,19 @@ public class DefaultSystemInfo implements SystemInfo {
         }
     }
 
-    @Override
     public String getKernelName() {
         return systemInfo.getKernelName();
     }
 
-    @Override
     public String getKernelVersion() {
         return systemInfo.getKernelVersion();
     }
 
-    @Override
-    public String getMachineArchitecture() {
-        return systemInfo.getMachineArchitecture();
+    public String getArchitectureName() {
+        return systemInfo.getArchitectureName();
+    }
+
+    public Architecture getArchitecture() {
+        return systemInfo.getArchitecture();
     }
 }

src/main/java/net/rubygrapefruit/platform/internal/MutableSystemInfo.java

@@ -16,6 +16,7 @@
 
 package net.rubygrapefruit.platform.internal;
 
+import net.rubygrapefruit.platform.NativeException;
 import net.rubygrapefruit.platform.SystemInfo;
 
 public class MutableSystemInfo implements SystemInfo {
@@ -32,10 +33,21 @@ public class MutableSystemInfo implements SystemInfo {
         return osVersion;
     }
 
-    public String getMachineArchitecture() {
+    public String getArchitectureName() {
         return machineArchitecture;
     }
 
+    public Architecture getArchitecture() {
+        if (machineArchitecture.equals("amd64") || machineArchitecture.equals("x86_64")) {
+            return Architecture.amd64;
+        }
+        if (machineArchitecture.equals("i386") || machineArchitecture.equals("x86")) {
+            return Architecture.i386;
+        }
+        throw new NativeException(String.format("Cannot determine architecture from kernel architecture name '%s'.",
+                machineArchitecture));
+    }
+
     // Called from native code
     void windows(int major, int minor, int build, boolean workstation, String arch) {
         osName = toWindowsVersionName(major, minor, workstation);

src/test/groovy/net/rubygrapefruit/platform/SystemInfoTest.groovy

@@ -33,6 +33,7 @@ class SystemInfoTest extends Specification {
         expect:
         systemInfo.kernelName
         systemInfo.kernelVersion
-        systemInfo.machineArchitecture
+        systemInfo.architectureName
+        systemInfo.architecture
     }
 }