From 82cc947b9811486570e9a00853bf3b2f9b4d4f10 Mon Sep 17 00:00:00 2001
From: Magesh Umasankar <umagesh@apache.org>
Date: Sun, 25 Nov 2001 07:54:28 +0000
Subject: [PATCH] Added name, arch, version as attributes to Os. This would let
 one to, say, run different things on sparc or x86 solaris...

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270001 13f79535-47bb-0310-9956-ffa450edef68
---
 docs/manual/CoreTasks/condition.html          |  25 ++-
 docs/manual/credits.html                      |   1 +
 .../tools/ant/taskdefs/condition/Os.java      | 145 +++++++++++++++---
 3 files changed, 149 insertions(+), 22 deletions(-)

diff --git a/docs/manual/CoreTasks/condition.html b/docs/manual/CoreTasks/condition.html
index 5cf0017c4..42c5fcc46 100644
--- a/docs/manual/CoreTasks/condition.html
+++ b/docs/manual/CoreTasks/condition.html
@@ -91,6 +91,21 @@ are redundant and will be ignored.</p>
     <td valign="top">The name of the operating system family to expect.</td>
     <td valign="top" align="center">No</td>
   </tr>
+  <tr>
+    <td valign="top">name</td>
+    <td valign="top">The name of the operating system to expect.</td>
+    <td valign="top" align="center">No</td>
+  </tr>
+  <tr>
+    <td valign="top">arch</td>
+    <td valign="top">The architecture of the operating system to expect.</td>
+    <td valign="top" align="center">No</td>
+  </tr>
+  <tr>
+    <td valign="top">version</td>
+    <td valign="top">The version of the operating system to expect.</td>
+    <td valign="top" align="center">No</td>
+  </tr>
 </table>
 <p>Supported values for the family attribute are:
 <ul>
@@ -138,7 +153,7 @@ are redundant and will be ignored.</p>
   </tr>
 </table>
 
-<h4>checksum</h4> 
+<h4>checksum</h4>
 
 <p>This condition is identical to the <a
 href="checksum.html">Checksum</a> task, all attributes and nested
@@ -172,6 +187,14 @@ classpath.</p>
 operating system is MacOS, but not MacOS X - which Ant considers to be
 in the Unix family as well.</p>
 
+<pre>
+  &lt;condition property=&quot;isSparc&quot;&gt;
+    &lt;os arch=&quot;sparc&quot; />
+  &lt;/condition&gt;
+</pre>
+<p>sets the property <code>isSparc</code> if the current
+operating system is running on a sparc architecture.</p>
+
 <hr>
 <p align="center">Copyright &copy; 2001 Apache Software
 Foundation. All rights Reserved.</p>
diff --git a/docs/manual/credits.html b/docs/manual/credits.html
index 2c8104393..dec169003 100644
--- a/docs/manual/credits.html
+++ b/docs/manual/credits.html
@@ -29,6 +29,7 @@
   <li>Sam Ruby (<a href="mailto:rubys@us.ibm.com">rubys@us.ibm.com</a>)</li>
   <li>Nico Seessle (<a href="mailto:nico@seessle.de">nico@seessle.de</a>)</li>
   <li>Jon S. Stevens (<a href="mailto:jon@latchkey.com">jon@latchkey.com</a>)</li>
+  <li>Magesh Umasankar (<a href="mailto:umagesh@apache.org">umagesh@apache.org</a>)</li>
   <li>Roger Vaughn (<a href="mailto:rvaughn@seaconinc.com">rvaughn@seaconinc.com</a>)</li>
   <li>Dave Walend (<a href="mailto:dwalend@cs.tufts.edu">dwalend@cs.tufts.edu</a>)</li>
   <li>Phillip Wells (<a href="mailto:philwells@rocketmail.com">philwells@rocketmail.com</a>)</li>
diff --git a/src/main/org/apache/tools/ant/taskdefs/condition/Os.java b/src/main/org/apache/tools/ant/taskdefs/condition/Os.java
index b18f1b3ff..b0110a600 100644
--- a/src/main/org/apache/tools/ant/taskdefs/condition/Os.java
+++ b/src/main/org/apache/tools/ant/taskdefs/condition/Os.java
@@ -62,14 +62,22 @@ import java.util.Locale;
  * Condition that tests the OS type.
  *
  * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a>
+ * @author <a href="mailto:umagesh@apache.org">Magesh Umasankar</a>
  * @version $Revision$
  */
 public class Os implements Condition {
     private static final String osName =
         System.getProperty("os.name").toLowerCase(Locale.US);
+    private static final String osArch =
+        System.getProperty("os.arch").toLowerCase(Locale.US);
+    private static final String osVersion =
+        System.getProperty("os.version").toLowerCase(Locale.US);
     private static final String pathSep = System.getProperty("path.separator");
 
     private String family;
+    private String name;
+    private String version;
+    private String arch;
 
     public Os() {}
 
@@ -79,7 +87,7 @@ public class Os implements Condition {
 
     /**
      * Sets the desired OS family type
-     * 
+     *
      * @param f      The OS family type desired<br />
      *               Possible values:<br />
      *               <ul><li>dos</li>
@@ -92,12 +100,39 @@ public class Os implements Condition {
     public void setFamily(String f) {family = f.toLowerCase(Locale.US);}
 
     /**
-     * Determines if the OS on which Ant is executing matches the type of 
+     * Sets the desired OS name
+     *
+     * @param name   The OS name
+     */
+    public void setName(String name) {
+        this.name = name.toLowerCase(Locale.US);
+    }
+
+    /**
+     * Sets the desired OS architecture
+     *
+     * @param arch   The OS architecture
+     */
+    public void setArch(String arch) {
+        this.arch = arch.toLowerCase(Locale.US);
+    }
+
+    /**
+     * Sets the desired OS version
+     *
+     * @param version   The OS version
+     */
+    public void setVersion(String version) {
+        this.version = version.toLowerCase(Locale.US);
+    }
+
+    /**
+     * Determines if the OS on which Ant is executing matches the type of
      * that set in setFamily.
      * @see Os#setFamily(String)
      */
     public boolean eval() throws BuildException {
-        return isFamily(family);
+        return isOs(family, name, arch, version);
     }
 
     /**
@@ -107,25 +142,93 @@ public class Os implements Condition {
      * @since 1.5
      */
     public static boolean isFamily(String family) {
-        if (family != null) {
-            if (family.equals("windows")) {
-                return osName.indexOf("windows") > -1;
-            } else if (family.equals("os/2")) {
-                return osName.indexOf("os/2") > -1;
-            } else if (family.equals("netware")) {
-                return osName.indexOf("netware") > -1;
-            } else if (family.equals("dos")) {
-                return pathSep.equals(";") && !isFamily("netware");
-            } else if (family.equals("mac")) {
-                return osName.indexOf("mac") > -1;
-            } else if (family.equals("unix")) {
-                return pathSep.equals(":")
-                    && (!isFamily("mac") || osName.endsWith("x"));
+        return isOs(family, null, null, null);
+    }
+
+    /**
+     * Determines if the OS on which Ant is executing matches the
+     * given OS name.
+     *
+     * @since 1.7
+     */
+    public static boolean isName(String name) {
+        return isOs(null, name, null, null);
+    }
+
+    /**
+     * Determines if the OS on which Ant is executing matches the
+     * given OS architecture.
+     *
+     * @since 1.7
+     */
+    public static boolean isArch(String arch) {
+        return isOs(null, null, arch, null);
+    }
+
+    /**
+     * Determines if the OS on which Ant is executing matches the
+     * given OS version.
+     *
+     * @since 1.7
+     */
+    public static boolean isVersion(String version) {
+        return isOs(null, null, null, version);
+    }
+
+    /**
+     * Determines if the OS on which Ant is executing matches the
+     * given OS family, name, architecture and version
+     *
+     * @param family   The OS family
+     * @param name   The OS name
+     * @param arch   The OS architecture
+     * @param version   The OS version
+     *
+     * @since 1.7
+     */
+    public static boolean isOs(String family, String name, String arch,
+                               String version) {
+        boolean retValue = false;
+
+        if (family != null || name != null || arch != null
+            || version != null) {
+
+            boolean isFamily = true;
+            boolean isName = true;
+            boolean isArch = true;
+            boolean isVersion = true;
+
+            if (family != null) {
+                if (family.equals("windows")) {
+                    isFamily = osName.indexOf("windows") > -1;
+                } else if (family.equals("os/2")) {
+                    isFamily = osName.indexOf("os/2") > -1;
+                } else if (family.equals("netware")) {
+                    isFamily = osName.indexOf("netware") > -1;
+                } else if (family.equals("dos")) {
+                    isFamily = pathSep.equals(";") && !isFamily("netware");
+                } else if (family.equals("mac")) {
+                    isFamily = osName.indexOf("mac") > -1;
+                } else if (family.equals("unix")) {
+                    isFamily = pathSep.equals(":")
+                        && (!isFamily("mac") || osName.endsWith("x"));
+                } else {
+                    throw new BuildException(
+                        "Don\'t know how to detect os family \""
+                        + family + "\"");
+                }
+            }
+            if (name != null) {
+                isName = name.equals(osName);
             }
-            throw new BuildException("Don\'t know how to detect os family \""
-                                     + family + "\"");
+            if (arch != null) {
+                isArch = arch.equals(osArch);
+            }
+            if (version != null) {
+                isVersion = version.equals(osVersion);
+            }
+            retValue = isFamily && isName && isArch && isVersion;
         }
-        return false;
+        return retValue;
     }
-
 }