diff --git a/src/fr/devinsy/xid/FilePresenter.java b/src/fr/devinsy/xid/FilePresenter.java
index f801c4d..732c4da 100644
--- a/src/fr/devinsy/xid/FilePresenter.java
+++ b/src/fr/devinsy/xid/FilePresenter.java
@@ -1,7 +1,9 @@
 package fr.devinsy.xid;
 
-import java.io.*;
-
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.StringWriter;
 
 
 /**
@@ -9,11 +11,7 @@ import java.io.*;
  */
 public class FilePresenter extends DomPresenter
 {
-	static protected org.apache.log4j.Logger logger;
-	static
-	{ 
-		logger = org.apache.log4j.Logger.getLogger (FilePresenter.class);
-	}
+	static protected org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger (FilePresenter.class);
 
 	protected String sourceFilePathname;
 	protected long sourceFileTime;
@@ -90,14 +88,7 @@ public class FilePresenter extends DomPresenter
 		// Get the good tree.
 		File source = new File (this.sourceFilePathname);
 
-		if (source == null)
-		{
-			String errorMessage = "source file not defined";
-			logger.error (errorMessage);
-			result = null;
-			throw new Exception (errorMessage);
-		}
-		else if (!source.exists ())
+		if (!source.exists ())
 		{
 			String errorMessage = "source file defined but not found (" + this.sourceFilePathname + ")";
 			logger.error (errorMessage);