X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fws%2Fseqfetcher%2FASequenceFetcher.java;h=d4bcfe8277af119a8f7715cec9274fba1041f932;hb=b65330720abd1329eac5fddbed9516b8302abe52;hp=8a8cf445571aba433882a710202331bc03c8cf63;hpb=506d60f0e188723ddc91c26824b41ac7034df3fe;p=jalview.git

diff --git a/src/jalview/ws/seqfetcher/ASequenceFetcher.java b/src/jalview/ws/seqfetcher/ASequenceFetcher.java
index 8a8cf44..d4bcfe8 100644
--- a/src/jalview/ws/seqfetcher/ASequenceFetcher.java
+++ b/src/jalview/ws/seqfetcher/ASequenceFetcher.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, J Engelhardt, LM Lui, 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;
 
@@ -211,8 +210,8 @@ public class ASequenceFetcher
    * Retrieve an instance of the proxy for the given source
    * 
    * @param db
-   *                database source string TODO: add version string/wildcard for
-   *                retrieval of specific DB source/version combinations.
+   *          database source string TODO: add version string/wildcard for
+   *          retrieval of specific DB source/version combinations.
    * @return an instance of DbSourceProxy for that db.
    */
   public DbSourceProxy getSourceProxy(String db)
@@ -226,11 +225,10 @@ public class ASequenceFetcher
    * dbrefsource
    * 
    * @param dbSourceProxy
-   *                reference for class implementing
-   *                jalview.ws.seqfetcher.DbSourceProxy
+   *          reference for class implementing
+   *          jalview.ws.seqfetcher.DbSourceProxy
    * @throws java.lang.IllegalArgumentException
-   *                 if class does not implement
-   *                 jalview.ws.seqfetcher.DbSourceProxy
+   *           if class does not implement jalview.ws.seqfetcher.DbSourceProxy
    */
   protected void addDBRefSourceImpl(Class dbSourceProxy)
           throws java.lang.IllegalArgumentException
@@ -297,4 +295,40 @@ public class ASequenceFetcher
     return false;
   }
 
+  /**
+   * select sources which are implemented by instances of the given class
+   * 
+   * @param class that implements DbSourceProxy
+   * @return null or vector of source names for fetchers
+   */
+  public String[] getDbInstances(Class class1)
+  {
+    if (!jalview.ws.seqfetcher.DbSourceProxy.class.isAssignableFrom(class1))
+    {
+      throw new Error(
+              "Implmentation Error - getDbInstances must be given a class that implements jalview.ws.seqfetcher.DbSourceProxy (was given '"
+                      + class1 + "')");
+    }
+    if (FETCHABLEDBS == null)
+    {
+      return null;
+    }
+    String[] sources = null;
+    Vector src = new Vector();
+    Enumeration dbs = FETCHABLEDBS.keys();
+    while (dbs.hasMoreElements())
+    {
+      String dbn = (String) dbs.nextElement();
+      DbSourceProxy dbp = (DbSourceProxy) FETCHABLEDBS.get(dbn);
+      if (class1.isAssignableFrom(dbp.getClass()))
+      {
+        src.addElement(dbn);
+      }
+    }
+    if (src.size() > 0)
+    {
+      src.copyInto(sources = new String[src.size()]);
+    }
+    return sources;
+  }
 }