X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fws%2Fseqfetcher%2FDbSourceProxyImpl.java;h=1467aaf19aee72705ecaaa3e78a2fa09e9957d0b;hb=a45774ee31d9f35d4eff46d54d7deab719afb092;hp=10aaf7db525e17562f2b189b159bdfe4b4e31642;hpb=506d60f0e188723ddc91c26824b41ac7034df3fe;p=jalview.git

diff --git a/src/jalview/ws/seqfetcher/DbSourceProxyImpl.java b/src/jalview/ws/seqfetcher/DbSourceProxyImpl.java
index 10aaf7d..1467aaf 100644
--- a/src/jalview/ws/seqfetcher/DbSourceProxyImpl.java
+++ b/src/jalview/ws/seqfetcher/DbSourceProxyImpl.java
@@ -1,20 +1,19 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.4)
- * Copyright (C) 2008 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
+ * Copyright (C) 2011 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
  * 
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
+ * This file is part of Jalview.
  * 
- * This program 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
- * GNU General Public License for more details.
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
  * 
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ * Jalview 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 GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
  */
 package jalview.ws.seqfetcher;
 
@@ -47,6 +46,10 @@ public abstract class DbSourceProxyImpl implements DbSourceProxy
    */
   public Hashtable getDbSourceProperties()
   {
+    if (props == null)
+    {
+      props = new Hashtable();
+    }
     return props;
   }
 
@@ -125,4 +128,12 @@ public abstract class DbSourceProxyImpl implements DbSourceProxy
     return sequences;
   }
 
+  @Override
+  public boolean isA(Object dbsourceproperty)
+  {
+    assert(dbsourceproperty!=null);
+    return (props==null) ? false : props.containsKey(dbsourceproperty);
+  }
+  
+
 }