--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/buildframework/helium/sf/java/legacy/src/com/nokia/ant/HelpDef.java	Tue Apr 27 08:33:08 2010 +0300
@@ -0,0 +1,117 @@
+/*
+* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+ 
+package com.nokia.ant;
+
+import java.util.Iterator;
+
+import org.apache.tools.ant.BuildEvent;
+import org.apache.tools.ant.Project;
+import com.nokia.helium.core.ant.types.*;
+
+import org.apache.tools.ant.BuildListener;
+import org.apache.tools.ant.BuildLogger;
+
+/**
+ * 
+ */
+public class HelpDef extends HlmPostDefImpl
+{
+
+    /**
+     * 
+     * @param project
+     *            Object of the project
+     * @param targetNames
+     *            Array of target names to execute
+     * 
+     */
+    public void execute(Project project, String module, String[] targetNames)
+    {
+        String firstTarget;
+
+        // take target
+        if (targetNames != null && targetNames.length > 0)
+        {
+            firstTarget = targetNames[0];
+        }
+        else
+        // no target, so set the default one
+        {
+            firstTarget = "help";
+        }
+
+        // If 'help' target is called, just run that and set other
+        // target names as a property
+        if (firstTarget.equals("help"))
+        {
+            displayHelp(project, targetNames, firstTarget);
+        }
+        
+        project.addBuildListener(new UnsubstListener());
+    }
+
+    class UnsubstListener implements BuildListener {
+        public void buildFinished(BuildEvent event) {
+            Project project = event.getProject();
+            String drivenotdef = project.getProperty("build.drive.notdefined");
+            if (System.getProperty("os.name").toLowerCase().startsWith("win") && drivenotdef != null && drivenotdef.equals("true"))
+            {
+                String drive = project.getProperty("build.drive");
+                try {
+                    if (drive != null) {
+                        Runtime.getRuntime().exec("subst /d " + drive);
+                    }
+                } catch (java.io.IOException e) {
+                    e = null; // ignoring the error
+                }
+            }
+        }
+        
+        public void buildStarted(BuildEvent event) { }
+        public void targetStarted(BuildEvent event) { }
+        public void targetFinished(BuildEvent event) { }
+        public void taskStarted(BuildEvent event) { }
+        public void taskFinished(BuildEvent event) { }
+        public void messageLogged(BuildEvent event) { }
+    }
+
+    private void displayHelp(Project project, String[] targetNames, String firstTarget)
+    {
+        if (targetNames.length > 1)
+        {
+            project.setProperty("help.target", targetNames[1]);
+        }
+        
+        // Set Emacs mode to true for all listeners, so that help text does
+        // not have [echo] at the start of each line
+        Iterator iter = project.getBuildListeners().iterator();
+        while (iter.hasNext())
+        {
+            BuildListener listener = (BuildListener) iter.next();
+            if (listener instanceof BuildLogger)
+            {
+                BuildLogger logger = (BuildLogger) listener;
+                logger.setEmacsMode(true);
+            }
+        }
+
+        // Run the 'help' target
+        project.executeTarget(firstTarget);
+    }
+
+}