Prevent potential NPE when configuration file is bad

diff --git a/src/main/java/de/todesbaum/jsite/main/Configuration.java b/src/main/java/de/todesbaum/jsite/main/Configuration.java
index ea072d1..b0c7118 100644 (file)
--- a/src/main/java/de/todesbaum/jsite/main/Configuration.java
+++ b/src/main/java/de/todesbaum/jsite/main/Configuration.java
@@ -44,6 +44,7 @@ import de.todesbaum.jsite.application.Node;
 import de.todesbaum.jsite.application.Project;
 import de.todesbaum.jsite.main.ConfigurationLocator.ConfigurationLocation;
 import de.todesbaum.util.freenet.fcp2.PriorityClass;
+import org.w3c.dom.Document;
 
 /**
  * The configuration.
@@ -128,7 +129,10 @@ public class Configuration {
                                        StreamCopier.copy(fileInputStream, fileByteOutputStream, configurationFile.length());
                                        fileByteOutputStream.close();
                                        byte[] fileBytes = fileByteOutputStream.toByteArray();
-                                       rootNode = SimpleXML.fromDocument(XML.transformToDocument(fileBytes));
+                                       Document document = XML.transformToDocument(fileBytes);
+                                       if (document != null) {
+                                               rootNode = SimpleXML.fromDocument(document);
+                                       }
                                        return;
                                } catch (FileNotFoundException e) {
                                        /* ignore. */