Added in basic XSL templated builder. Currently uses template with same name as build file except the extension is xsl instead.

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git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269193 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/myrmidon/components/builder/XSLProjectBuilder.java

@@ -0,0 +1,45 @@
+/*
+ * 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 file.
+ */
+package org.apache.myrmidon.components.builder;
+
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.sax.SAXResult;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.transform.stream.StreamSource;
+import org.apache.avalon.framework.configuration.SAXConfigurationHandler;
+import org.apache.avalon.excalibur.io.FileUtil;
+
+/**
+ * Default implementation to construct project from a build file.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class XSLProjectBuilder
+    extends DefaultProjectBuilder
+{
+    protected void process( final String sourceID,
+                            final SAXConfigurationHandler handler )
+        throws Exception
+    {
+        final String xslSheet = FileUtil.removeExtension( sourceID ) + ".xsl";
+
+        // Create a transform factory instance.
+        final TransformerFactory factory = TransformerFactory.newInstance();
+
+        // Create a transformer for the stylesheet.
+        final Transformer transformer = factory.newTransformer( new StreamSource( xslSheet ) );
+
+        final SAXResult result = new SAXResult( handler );
+
+        //Make a debug option for this
+        //transformer.transform( new StreamSource( sourceID ), new StreamResult( System.out ) );
+
+        transformer.transform( new StreamSource( sourceID ), result );
+    }
+}