From 5d7968c49365f35b490ca101b838c998df0df675 Mon Sep 17 00:00:00 2001
From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Thu, 29 Sep 2016 13:20:30 +0100
Subject: [PATCH] JAL-2213 code warnings addressed (typed collections, string
 / magic number constants)

---
 src/jalview/ws/dbsources/Pdb.java |   36 +++++++++++++++++++-----------------
 1 file changed, 19 insertions(+), 17 deletions(-)

diff --git a/src/jalview/ws/dbsources/Pdb.java b/src/jalview/ws/dbsources/Pdb.java
index 04c23a2..a50ed14 100644
--- a/src/jalview/ws/dbsources/Pdb.java
+++ b/src/jalview/ws/dbsources/Pdb.java
@@ -37,7 +37,6 @@ import jalview.ws.ebi.EBIFetchClient;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Vector;
 
 import com.stevesoft.pat.Regex;
 
@@ -47,15 +46,16 @@ import com.stevesoft.pat.Regex;
  */
 public class Pdb extends EbiFileRetrievedProxy
 {
+  private static final String SEPARATOR = "|";
+  private static final String COLON = ":";
+  private static final int PDB_ID_LENGTH = 4;
+
+
   public Pdb()
   {
     super();
   }
 
-  public static final String FEATURE_INSERTION = "INSERTION";
-
-  public static final String FEATURE_RES_NUM = "RESNUM";
-
   /*
    * (non-Javadoc)
    * 
@@ -64,7 +64,6 @@ public class Pdb extends EbiFileRetrievedProxy
   @Override
   public String getAccessionSeparator()
   {
-    // TODO Auto-generated method stub
     return null;
   }
 
@@ -110,23 +109,28 @@ public class Pdb extends EbiFileRetrievedProxy
   public AlignmentI getSequenceRecords(String queries) throws Exception
   {
     AlignmentI pdbAlignment = null;
-    Vector result = new Vector();
     String chain = null;
     String id = null;
-    if (queries.indexOf(":") > -1)
+    if (queries.indexOf(COLON) > -1)
     {
-      chain = queries.substring(queries.indexOf(":") + 1);
-      id = queries.substring(0, queries.indexOf(":"));
+      chain = queries.substring(queries.indexOf(COLON) + 1);
+      id = queries.substring(0, queries.indexOf(COLON));
     }
     else
     {
       id = queries;
     }
-    if (queries.length() > 4 && chain == null)
+
+    /*
+     * extract chain code if it is appended to the id and we
+     * don't already have one
+     */
+    if (queries.length() > PDB_ID_LENGTH && chain == null)
     {
-      chain = queries.substring(4, 5);
-      id = queries.substring(0, 4);
+      chain = queries.substring(PDB_ID_LENGTH, PDB_ID_LENGTH + 1);
+      id = queries.substring(0, PDB_ID_LENGTH);
     }
+
     if (!isValidReference(id))
     {
       System.err.println("Ignoring invalid pdb query: '" + id + "'");
@@ -165,8 +169,6 @@ public class Pdb extends EbiFileRetrievedProxy
               chid = pid.getChainCode();
 
             }
-            ;
-
           }
           if (chain == null
                   || (chid != null && (chid.equals(chain)
@@ -175,8 +177,8 @@ public class Pdb extends EbiFileRetrievedProxy
           {
             // FIXME seems to result in 'PDB|1QIP|1qip|A' - 1QIP is redundant.
             // TODO: suggest simplify naming to 1qip|A as default name defined
-            pdbcs.setName(jalview.datamodel.DBRefSource.PDB + "|" + id
-                    + "|" + pdbcs.getName());
+            pdbcs.setName(jalview.datamodel.DBRefSource.PDB + SEPARATOR + id
+                    + SEPARATOR + pdbcs.getName());
             // Might need to add more metadata to the PDBEntry object
             // like below
             /*
-- 
1.7.10.2