corrected rules

META-INF/log4j2.xml

@@ -15,7 +15,7 @@
 	</appenders>
 
 	<loggers>
-		<logger name="de.chw.css.script.ProductLineTemplateEngine" level="debug" additivity="false">
+		<logger name="de.chw.css.script.ProductLineTemplateEngine" level="off" additivity="false">
 			<appender-ref ref="Console" />
 			<!-- <appender-ref ref="File" /> -->
 		</logger>

src/de/chw/css/script/ProductLineGenerator.java

 package de.chw.css.script;
 
+import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.util.Map;
@@ -27,13 +28,15 @@ public class ProductLineGenerator {
 		}
 	}
 
-	public void generateFile(String filename) throws IOException {
-		FileWriter fw = new FileWriter(filename);
+	public boolean generateFile(String filename) throws IOException {
+		File file = new File(filename);
+		FileWriter fw = new FileWriter(file);
 		try {
 			fw.write(content);
 		} finally {
 			fw.close();
 		}
+		return file.setReadOnly();
 	}
 
 	public String getContent() {

src/de/chw/css/script/ProductLineTemplateEngine.java

@@ -20,11 +20,12 @@ public class ProductLineTemplateEngine {
 		this.chosenProduct = chosenProduct;
 	}
 
-	private void generateFile(String templateFilename, String outputFilename) throws IOException {
+	private String generateFile(String templateFilename, String outputFilename) throws IOException {
 		ProductLineTemplateReader reader = new ProductLineTemplateReader(templateFilename, chosenProduct);
 		ProductLineGenerator generator = new ProductLineGenerator(reader.getContent(), reader.getVariables());
-		generator.replaceVariables("/\\*var\\*/");
-		generator.generateFile(outputFilename);
+		generator.replaceVariables("/\\*\\s*var\\s*\\*/");
+		boolean success = generator.generateFile(outputFilename);
+		return (success) ? outputFilename : null;
 	}
 
 	public void generateBinaryFile(File file) throws IOException {
@@ -58,25 +59,25 @@ public class ProductLineTemplateEngine {
 		}
 	}
 
-	public void generateCss(File file) throws IOException {
+	public String generateCss(File file) throws IOException {
 		String templateFilename = file.getAbsolutePath();
 		String outputFilename = templateFilename.replace("_template.css", ".css");
 
-		generateFile(templateFilename, outputFilename);
+		return generateFile(templateFilename, outputFilename);
 	}
 
-	public void generateGroovy(File file) throws IOException {
+	public String generateGroovy(File file) throws IOException {
 		String templateFilename = file.getAbsolutePath();
 		String outputFilename = templateFilename.replace("_template.groovy", ".groovy");
 
-		generateFile(templateFilename, outputFilename);
+		return generateFile(templateFilename, outputFilename);
 	}
 
-	public void generateGsp(File file) throws IOException {
+	public String generateGsp(File file) throws IOException {
 		String templateFilename = file.getAbsolutePath();
 		String outputFilename = templateFilename.replace("_template.gsp", ".gsp");
 
-//		generateFile(templateFilename, outputFilename);
+		return generateFile(templateFilename, outputFilename);
 	}
 
 }