diff --git a/src/java/org/apache/commons/lang/SystemUtils.java b/src/java/org/apache/commons/lang/SystemUtils.java
new file mode 100644
index 000000000..f865407dd
--- /dev/null
+++ b/src/java/org/apache/commons/lang/SystemUtils.java
@@ -0,0 +1,203 @@
+package org.apache.commons.lang;
+
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2002 The Apache Software Foundation. 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.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ * any, must include the following acknowlegement:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowlegement may appear in the software itself,
+ * if and wherever such third-party acknowlegements normally appear.
+ *
+ * 4. The names "The Jakarta Project", "Commons", and "Apache Software
+ * Foundation" must not be used to endorse or promote products derived
+ * from this software without prior written permission. For written
+ * permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache"
+ * nor may "Apache" appear in their names without prior written
+ * permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 THE APACHE SOFTWARE FOUNDATION OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * .
+ */
+
+/**
+ * Common System
class helpers.
+ *
+ * @author Based on code from Avalon Excalibur
+ * @author Based on code from Lucene
+ * @author Stephen Colebourne
+ * @version $Id: SystemUtils.java,v 1.1 2002/08/22 22:11:25 scolebourne Exp $
+ */
+public class SystemUtils {
+
+ /**
+ * Prevent construction of SystemUtils instances
+ */
+ private SystemUtils() {
+ }
+
+ /** The line separator string from System.getProperty() */
+ public static final String LINE_SEPARATOR = System.getProperty("line.separator");
+ /** The path separator string from System.getProperty() */
+ public static final String PATH_SEPARATOR = System.getProperty("path.separator");
+ /** The file separator string from System.getProperty() */
+ public static final String FILE_SEPARATOR = System.getProperty("file.separator");
+
+ /** The working (user) directory string from System.getProperty() */
+ public static final String USER_WORKING_DIRECTORY = System.getProperty("user.dir");
+ /** The user home directory string from System.getProperty() */
+ public static final String USER_HOME_DIRECTORY = System.getProperty("user.home");
+ /** The user account name string from System.getProperty() */
+ public static final String USER_NAME = System.getProperty("user.name");
+
+ /** The os name string from System.getProperty() */
+ public static final String OS_NAME = System.getProperty("os.name");
+ /** The os architecture string from System.getProperty() */
+ public static final String OS_ARCHITECTURE = System.getProperty("os.arch");
+ /** The os version string from System.getProperty() */
+ public static final String OS_VERSION = System.getProperty("os.version");
+ /** True iff this is running on Windows */
+ public static final boolean IS_WINDOWS;
+ /** True iff this is running on Unix */
+ public static final boolean IS_UNIX;
+ /** True iff this is running on Mac */
+ public static final boolean IS_MAC;
+ /** True iff this is running on OS2 */
+ public static final boolean IS_OS2;
+ /** True iff this is running on Linux */
+ public static final boolean IS_LINUX;
+
+ /** The Java vendor string from System.getProperty() */
+ public static final String JAVA_VENDOR = System.getProperty("java.vendor");
+ /** The Java vendor url string from System.getProperty() */
+ public static final String JAVA_VENDOR_URL = System.getProperty("java.vendor.url");
+ /** The Java installation directory string from System.getProperty() */
+ public static final String JAVA_HOME = System.getProperty("java.home");
+ /** The Java class version number string from System.getProperty() */
+ public static final String JAVA_CLASS_VERSION = System.getProperty("java.class.version");
+ /** The Java classpath string from System.getProperty() */
+ public static final String JAVA_CLASS_PATH = System.getProperty("java.class.path");
+
+ /** The Java version string from System.getProperty() */
+ public static final String JAVA_VERSION = System.getProperty("java.version");
+ /** True iff this is Java version 1.1. */
+ public static final boolean IS_JAVA_1_1 = JAVA_VERSION.startsWith("1.1.");
+ /** True iff this is Java version 1.2. */
+ public static final boolean IS_JAVA_1_2 = JAVA_VERSION.startsWith("1.2.");
+ /** True iff this is Java version 1.3. */
+ public static final boolean IS_JAVA_1_3 = JAVA_VERSION.startsWith("1.3.");
+ /** True iff this is Java version 1.4. */
+ public static final boolean IS_JAVA_1_4 = JAVA_VERSION.startsWith("1.4.");
+ /** True iff this is Java version 1.3. */
+ public static final boolean IS_JAVA_1_5 = JAVA_VERSION.startsWith("1.5.");
+
+ /*
+ * The JLS doesn't seem to specify an exact naming convention for the
+ * os.name. We ensure a uniform naming here.
+ */
+ static {
+ // from http://www.geocities.com/vamp201/os.html
+ if (OS_NAME.startsWith("Windows")) {
+ IS_WINDOWS = true;
+ IS_UNIX = false;
+ IS_MAC = false;
+ IS_OS2 = false;
+ IS_LINUX = false;
+ } else if (OS_NAME.startsWith("SunOS")) {
+ IS_WINDOWS = false;
+ IS_UNIX = true;
+ IS_MAC = false;
+ IS_OS2 = false;
+ IS_LINUX = false;
+ } else if (OS_NAME.startsWith("Solaris")) {
+ IS_WINDOWS = false;
+ IS_UNIX = true;
+ IS_MAC = false;
+ IS_OS2 = false;
+ IS_LINUX = false;
+ } else if (OS_NAME.startsWith("Linux")) {
+ IS_WINDOWS = false;
+ IS_UNIX = true;
+ IS_MAC = false;
+ IS_OS2 = false;
+ IS_LINUX = true;
+ } else if (OS_NAME.startsWith("HP-UX")) {
+ IS_WINDOWS = false;
+ IS_UNIX = true;
+ IS_MAC = false;
+ IS_OS2 = false;
+ IS_LINUX = false;
+ } else if (OS_NAME.startsWith("AIX")) {
+ IS_WINDOWS = false;
+ IS_UNIX = true;
+ IS_MAC = false;
+ IS_OS2 = false;
+ IS_LINUX = false;
+ } else if (OS_NAME.startsWith("Irix")) {
+ IS_WINDOWS = false;
+ IS_UNIX = true;
+ IS_MAC = false;
+ IS_OS2 = false;
+ IS_LINUX = false;
+ } else if (OS_NAME.startsWith("Digital Unix")) {
+ IS_WINDOWS = false;
+ IS_UNIX = true;
+ IS_MAC = false;
+ IS_OS2 = false;
+ IS_LINUX = false;
+ } else if (OS_NAME.startsWith("OS/2")) {
+ IS_WINDOWS = false;
+ IS_UNIX = false;
+ IS_MAC = false;
+ IS_OS2 = true;
+ IS_LINUX = false;
+ } else if (OS_NAME.startsWith("Mac")) {
+ IS_WINDOWS = false;
+ IS_UNIX = false;
+ IS_MAC = true;
+ IS_OS2 = false;
+ IS_LINUX = false;
+ } else {
+ IS_WINDOWS = false;
+ IS_UNIX = false;
+ IS_MAC = false;
+ IS_OS2 = false;
+ IS_LINUX = false;
+ }
+ }
+
+}