X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=webservices%2Fcompbio%2Fws%2Fclient%2FMetadataHelper.java;h=4803e167c426cf6bc1359e990460d1cca2eae08d;hb=5f8278b40ae7ded9d08d1940bb71d261abca658f;hp=d69c3c1fa513fd6edbb20869a7b354d82b174d8a;hpb=6e1c873d0879f462b1fb1a1efa444cf993a9e76a;p=jabaws.git

diff --git a/webservices/compbio/ws/client/MetadataHelper.java b/webservices/compbio/ws/client/MetadataHelper.java
index d69c3c1..4803e16 100644
--- a/webservices/compbio/ws/client/MetadataHelper.java
+++ b/webservices/compbio/ws/client/MetadataHelper.java
@@ -1,8 +1,26 @@
+/* Copyright (c) 2011 Peter Troshin
+ *  
+ *  JAva Bioinformatics Analysis Web Services (JABAWS) @version: 2.0     
+ * 
+ *  This library is free software; you can redistribute it and/or modify it under the terms of the
+ *  Apache License version 2 as published by the Apache Software Foundation
+ * 
+ *  This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+ *  even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Apache 
+ *  License for more details.
+ * 
+ *  A copy of the license is in apache_license.txt. It is also available here:
+ * @see: http://www.apache.org/licenses/LICENSE-2.0.txt
+ * 
+ * Any republication or derived work distributed in source code form
+ * must include this copyright and license notice.
+ */
 package compbio.ws.client;
 
 import static compbio.ws.client.Constraints.pseparator;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 import compbio.data.msa.Metadata;
@@ -27,7 +45,11 @@ public class MetadataHelper {
 	 */
 	static <T> List<Option<T>> getParametersList(Metadata<T> msaws) {
 		assert msaws != null;
-		return msaws.getRunnerOptions().getArguments();
+		RunnerConfig<T> config = msaws.getRunnerOptions();
+		if (config == null) {
+			return Collections.emptyList();
+		}
+		return config.getArguments();
 	}
 
 	/**