X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fio%2FJSONFile.java;fp=src%2Fjalview%2Fio%2FJSONFile.java;h=36fe35ac71b5ffdcff7b2d0ad82cc1e309448a84;hb=d065bc916cb63af83cdab7319f5177a855724aba;hp=14574d0e3263d1d1b9810e19e7b58fb93dc02ed3;hpb=d346ed81a91c4fbed1836379bb794ed908cd9a11;p=jalview.git

diff --git a/src/jalview/io/JSONFile.java b/src/jalview/io/JSONFile.java
index 14574d0..36fe35a 100644
--- a/src/jalview/io/JSONFile.java
+++ b/src/jalview/io/JSONFile.java
@@ -279,18 +279,8 @@ public class JSONFile extends AlignFile implements ComplexAlignFile
     // hidden column business
     if (getViewport().hasHiddenColumns())
     {
-      List<int[]> hiddenCols = getViewport().getAlignment()
-              .getHiddenColumns()
-              .getHiddenRegions();
-      StringBuilder hiddenColsBuilder = new StringBuilder();
-      for (int[] range : hiddenCols)
-      {
-        hiddenColsBuilder.append(";").append(range[0]).append("-")
-                .append(range[1]);
-      }
-
-      hiddenColsBuilder.deleteCharAt(0);
-      hiddenSections[0] = hiddenColsBuilder.toString();
+      hiddenSections[0] = getViewport().getAlignment().getHiddenColumns()
+              .regionsToString(";", "-");
     }
 
     // hidden rows/seqs business
@@ -323,7 +313,7 @@ public class JSONFile extends AlignFile implements ComplexAlignFile
           SequenceI[] sqs)
   {
     displayedFeatures = (fr == null) ? null : fr.getFeaturesDisplayed();
-    List<SequenceFeaturesPojo> sequenceFeaturesPojo = new ArrayList<SequenceFeaturesPojo>();
+    List<SequenceFeaturesPojo> sequenceFeaturesPojo = new ArrayList<>();
     if (sqs == null)
     {
       return sequenceFeaturesPojo;
@@ -371,7 +361,7 @@ public class JSONFile extends AlignFile implements ComplexAlignFile
   public static List<AlignmentAnnotationPojo> annotationToJsonPojo(
           Vector<AlignmentAnnotation> annotations)
   {
-    List<AlignmentAnnotationPojo> jsonAnnotations = new ArrayList<AlignmentAnnotationPojo>();
+    List<AlignmentAnnotationPojo> jsonAnnotations = new ArrayList<>();
     if (annotations == null)
     {
       return jsonAnnotations;
@@ -468,8 +458,8 @@ public class JSONFile extends AlignFile implements ComplexAlignFile
         parseHiddenCols(jvSettingsJsonObj);
       }
 
-      hiddenSequences = new ArrayList<SequenceI>();
-      seqMap = new Hashtable<String, Sequence>();
+      hiddenSequences = new ArrayList<>();
+      seqMap = new Hashtable<>();
       for (Iterator<JSONObject> sequenceIter = seqJsonArray.iterator(); sequenceIter
               .hasNext();)
       {
@@ -512,7 +502,7 @@ public class JSONFile extends AlignFile implements ComplexAlignFile
         int endRes = Integer.valueOf(seqGrpObj.get("endRes").toString());
         JSONArray sequenceRefs = (JSONArray) seqGrpObj.get("sequenceRefs");
 
-        ArrayList<SequenceI> grpSeqs = new ArrayList<SequenceI>();
+        ArrayList<SequenceI> grpSeqs = new ArrayList<>();
         if (sequenceRefs.size() > 0)
         {
           Iterator<String> seqHashIter = sequenceRefs.iterator();
@@ -646,7 +636,7 @@ public class JSONFile extends AlignFile implements ComplexAlignFile
 
   public void parseHiddenSeqRefsAsList(JSONObject jvSettingsJson)
   {
-    hiddenSeqRefs = new ArrayList<String>();
+    hiddenSeqRefs = new ArrayList<>();
     String hiddenSeqs = (String) jvSettingsJson.get("hiddenSeqs");
     if (hiddenSeqs != null && !hiddenSeqs.isEmpty())
     {