JAL-3076 fetch Ensembl sequence as JSON instead of Fasta

[jalview.git] / src / jalview / ext / ensembl / EnsemblXref.java

diff --git a/src/jalview/ext/ensembl/EnsemblXref.java b/src/jalview/ext/ensembl/EnsemblXref.java
index 313572f..77768a6 100644 (file)
--- a/src/jalview/ext/ensembl/EnsemblXref.java
+++ b/src/jalview/ext/ensembl/EnsemblXref.java
@@ -1,3 +1,23 @@
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ * 
+ * This file is part of Jalview.
+ * 
+ * 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.
+ *  
+ * 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/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
 package jalview.ext.ensembl;
 
 import jalview.datamodel.AlignmentI;
@@ -41,7 +61,7 @@ class EnsemblXref extends EnsemblRestClient
     super(d);
     dbName = dbSource;
     xrefVersion = dbSource + ":" + version;
-    
+
   }
 
   @Override
@@ -68,18 +88,6 @@ class EnsemblXref extends EnsemblRestClient
     return true;
   }
 
-  @Override
-  protected String getRequestMimeType(boolean multipleIds)
-  {
-    return "application/json";
-  }
-
-  @Override
-  protected String getResponseMimeType()
-  {
-    return "application/json";
-  }
-
   /**
    * Calls the Ensembl xrefs REST endpoint and retrieves any cross-references
    * ("primary_id") for the given identifier (Ensembl accession id) and database
@@ -93,8 +101,8 @@ class EnsemblXref extends EnsemblRestClient
    */
   public List<DBRefEntry> getCrossReferences(String identifier)
   {
-    List<DBRefEntry> result = new ArrayList<DBRefEntry>();
-    List<String> ids = new ArrayList<String>();
+    List<DBRefEntry> result = new ArrayList<>();
+    List<String> ids = new ArrayList<>();
     ids.add(identifier);
 
     BufferedReader br = null;
@@ -104,8 +112,11 @@ class EnsemblXref extends EnsemblRestClient
       if (url != null)
       {
         br = getHttpResponse(url, ids);
+        if (br != null)
+        {
+          result = parseResponse(br);
+        }
       }
-      return (parseResponse(br));
     } catch (IOException e)
     {
       // ignore
@@ -140,7 +151,7 @@ class EnsemblXref extends EnsemblRestClient
           throws IOException
   {
     JSONParser jp = new JSONParser();
-    List<DBRefEntry> result = new ArrayList<DBRefEntry>();
+    List<DBRefEntry> result = new ArrayList<>();
     try
     {
       JSONArray responses = (JSONArray) jp.parse(br);
@@ -148,16 +159,13 @@ class EnsemblXref extends EnsemblRestClient
       while (rvals.hasNext())
       {
         JSONObject val = (JSONObject) rvals.next();
-        String dbName = val.get("dbname").toString();
-        if (dbName.equals(GO_GENE_ONTOLOGY))
-        {
-          continue;
-        }
+        String db = val.get("dbname").toString();
         String id = val.get("primary_id").toString();
-        if (dbName != null && id != null)
+        if (db != null && id != null
+                && !GO_GENE_ONTOLOGY.equals(db))
         {
-          dbName = DBRefUtils.getCanonicalName(dbName);
-          DBRefEntry dbref = new DBRefEntry(dbName, getXRefVersion(), id);
+          db = DBRefUtils.getCanonicalName(db);
+          DBRefEntry dbref = new DBRefEntry(db, getXRefVersion(), id);
           result.add(dbref);
         }
       }
@@ -191,7 +199,7 @@ class EnsemblXref extends EnsemblRestClient
   protected URL getUrl(String identifier)
   {
     String url = getDomain() + "/xrefs/id/" + identifier
-            + "?content-type=application/json&all_levels=1";
+            + CONTENT_TYPE_JSON + "&all_levels=1";
     try
     {
       return new URL(url);