Converted the old WinNTCommandLauncher to new setup. There is no need to extend ProxyCommandLauncher as it did not offer any benefit (because the 2 arg version of Runtime.exec was always called)

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270281 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/myrmidon/framework/exec/launchers/WinNTCommandLauncher.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included  with this distribution in
+ * the LICENSE.txt file.
+ */
+package org.apache.myrmidon.framework.exec.launchers;
+
+import java.io.IOException;
+import org.apache.myrmidon.api.TaskException;
+import org.apache.myrmidon.framework.exec.CommandLauncher;
+import org.apache.myrmidon.framework.exec.ExecMetaData;
+
+/**
+ * A command launcher for Windows 2000/NT that uses 'cmd.exe' when launching
+ * commands in directories other than the current working directory.
+ *
+ * @author <a href="mailto:peter@apache.org">Peter Donald</a>
+ * @author <a href="mailto:thomas.haas@softwired-inc.com">Thomas Haas</a>
+ * @version $Revision$ $Date$
+ */
+public class WinNTCommandLauncher
+    implements CommandLauncher
+{
+    /**
+     * Launches the given command in a new process using cmd.exe to
+     * set the working directory.
+     */
+    public Process exec( final ExecMetaData metaData )
+        throws IOException, TaskException
+    {
+        // Use cmd.exe to change to the specified directory before running
+        // the command
+        final String[] prefix = new String[ 6 ];
+        prefix[ 0 ] = "cmd";
+        prefix[ 1 ] = "/c";
+        prefix[ 2 ] = "cd";
+        prefix[ 3 ] = "/d";
+        prefix[ 4 ] = metaData.getWorkingDirectory().getCanonicalPath();
+        prefix[ 5 ] = "&&";
+
+        final ExecMetaData newMetaData = ExecUtil.prepend( metaData, prefix );
+        return Runtime.getRuntime().
+            exec( newMetaData.getCommand(), newMetaData.getEnvironment() );
+    }
+}