diff --git a/lib/org/xerial/snappy/OSInfo.class b/lib/org/xerial/snappy/OSInfo.class
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diff --git a/src/main/java/org/xerial/snappy/OSInfo.java b/src/main/java/org/xerial/snappy/OSInfo.java
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+/*--------------------------------------------------------------------------
+ *  Copyright 2008 Taro L. Saito
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *--------------------------------------------------------------------------*/
+//--------------------------------------
+// sqlite-jdbc Project
+//
+// OSInfo.java
+// Since: May 20, 2008
+//
+// $URL$ 
+// $Author$
+//--------------------------------------
+package org.xerial.snappy;
+
+/**
+ * Provides OS name and architecture name.
+ * 
+ * @author leo
+ * 
+ */
+public class OSInfo
+{
+    public static void main(String[] args) {
+        if (args.length >= 1) {
+            if ("--os".equals(args[0])) {
+                System.out.print(getOSName());
+                return;
+            }
+            else if ("--arch".equals(args[0])) {
+                System.out.print(getArchName());
+                return;
+            }
+        }
+
+        System.out.print(getNativeLibFolderPathForCurrentOS());
+    }
+
+    public static String getNativeLibFolderPathForCurrentOS() {
+        return getOSName() + "/" + getArchName();
+    }
+
+    public static String getOSName() {
+        return translateOSNameToFolderName(System.getProperty("os.name"));
+    }
+
+    public static String getArchName() {
+        return translateArchNameToFolderName(System.getProperty("os.arch"));
+    }
+
+    public static String translateOSNameToFolderName(String osName) {
+        if (osName.contains("Windows")) {
+            return "Windows";
+        }
+        else if (osName.contains("Mac")) {
+            return "Mac";
+        }
+        else if (osName.contains("Linux")) {
+            return "Linux";
+        }
+        else {
+            return osName.replaceAll("\\W", "");
+        }
+    }
+
+    public static String translateArchNameToFolderName(String archName) {
+        return archName.replaceAll("\\W", "");
+    }
+}