JAL-1517 source formatting
[jalview.git] / src / jalview / io / StockholmFile.java
index 24bb521..9d21a40 100644 (file)
@@ -62,7 +62,8 @@ import fr.orsay.lri.varna.models.rna.RNA;
  * 
  * @author bsb at sanger.ac.uk
  * @author Natasha Shersnev (Dundee, UK) (Stockholm file writer)
- * @author Lauren Lui (UCSC, USA) (RNA secondary structure annotation import as stockholm)
+ * @author Lauren Lui (UCSC, USA) (RNA secondary structure annotation import as
+ *         stockholm)
  * @author Anne Menard (Paris, FR) (VARNA parsing of Stockholm file data)
  * @version 0.3 + jalview mods
  * 
@@ -71,6 +72,7 @@ public class StockholmFile extends AlignFile
 {
   // static Logger logger = Logger.getLogger("jalview.io.StockholmFile");
   protected ArrayList<RNA> result;
+
   StringBuffer out; // output buffer
 
   AlignmentI al;
@@ -101,6 +103,7 @@ public class StockholmFile extends AlignFile
   {
     super.initData();
   }
+
   /**
    * Parse a file in Stockholm format into Jalview's data model using VARNA
    * 
@@ -126,7 +129,7 @@ public class StockholmFile extends AlignFile
     // DEBUG System.out.println("this is the secondary scructure:"
     // +result.size());
     SequenceI[] seqs = new SequenceI[result.size()];
-    String id=null;
+    String id = null;
     for (int i = 0; i < result.size(); i++)
     {
       // DEBUG System.err.println("Processing i'th sequence in Stockholm file")
@@ -166,7 +169,6 @@ public class StockholmFile extends AlignFile
 
   }
 
-  
   /**
    * Parse a file in Stockholm format into Jalview's data model. The file has to
    * be passed at construction time
@@ -176,71 +178,70 @@ public class StockholmFile extends AlignFile
    */
   public void parse() throws IOException
   {
-      StringBuffer treeString = new StringBuffer();
-      String treeName = null;
-      // --------------- Variable Definitions -------------------
-      String line;
-      String version;
+    StringBuffer treeString = new StringBuffer();
+    String treeName = null;
+    // --------------- Variable Definitions -------------------
+    String line;
+    String version;
     // String id;
-      Hashtable seqAnn = new Hashtable(); // Sequence related annotations
-      Hashtable seqs = new Hashtable();
-      Regex p, r, rend, s, x;
-      // Temporary line for processing RNA annotation
-      // String RNAannot = "";
-
-      // ------------------ Parsing File ----------------------
-      // First, we have to check that this file has STOCKHOLM format, i.e. the
-      // first line must match
-      
-  
-               r = new Regex("# STOCKHOLM ([\\d\\.]+)");
-               if (!r.search(nextLine()))
-               {
-                       throw new IOException(
-                                       "This file is not in valid STOCKHOLM format: First line does not contain '# STOCKHOLM'");
-               }
-               else
-               {
-                       version = r.stringMatched(1);
-               
-                       // logger.debug("Stockholm version: " + version);
-               }
-
-               // We define some Regexes here that will be used regularily later
-               rend = new Regex("^\\s*\\/\\/"); // Find the end of an alignment
-               p = new Regex("(\\S+)\\/(\\d+)\\-(\\d+)"); // split sequence id in
-               // id/from/to
-               s = new Regex("(\\S+)\\s+(\\S*)\\s+(.*)"); // Parses annotation subtype
-               r = new Regex("#=(G[FSRC]?)\\s+(.*)"); // Finds any annotation line
-               x = new Regex("(\\S+)\\s+(\\S+)"); // split id from sequence
-
-               // Convert all bracket types to parentheses (necessary for passing to VARNA)
-               Regex openparen = new Regex("(<|\\[)", "(");
-               Regex closeparen = new Regex("(>|\\])", ")");
-
-               // Detect if file is RNA by looking for bracket types
-               Regex detectbrackets = new Regex("(<|>|\\[|\\]|\\(|\\))");
-
-               rend.optimize();
-           p.optimize();
-           s.optimize();
-           r.optimize();
-           x.optimize();
-           openparen.optimize();
-           closeparen.optimize();
-       
-           while ((line = nextLine()) != null)
-           {
-             if (line.length() == 0)
-             {
-               continue;
-             }
-             if (rend.search(line))
-             {
-               // End of the alignment, pass stuff back
+    Hashtable seqAnn = new Hashtable(); // Sequence related annotations
+    Hashtable seqs = new Hashtable();
+    Regex p, r, rend, s, x;
+    // Temporary line for processing RNA annotation
+    // String RNAannot = "";
+
+    // ------------------ Parsing File ----------------------
+    // First, we have to check that this file has STOCKHOLM format, i.e. the
+    // first line must match
+
+    r = new Regex("# STOCKHOLM ([\\d\\.]+)");
+    if (!r.search(nextLine()))
+    {
+      throw new IOException(
+              "This file is not in valid STOCKHOLM format: First line does not contain '# STOCKHOLM'");
+    }
+    else
+    {
+      version = r.stringMatched(1);
+
+      // logger.debug("Stockholm version: " + version);
+    }
+
+    // We define some Regexes here that will be used regularily later
+    rend = new Regex("^\\s*\\/\\/"); // Find the end of an alignment
+    p = new Regex("(\\S+)\\/(\\d+)\\-(\\d+)"); // split sequence id in
+    // id/from/to
+    s = new Regex("(\\S+)\\s+(\\S*)\\s+(.*)"); // Parses annotation subtype
+    r = new Regex("#=(G[FSRC]?)\\s+(.*)"); // Finds any annotation line
+    x = new Regex("(\\S+)\\s+(\\S+)"); // split id from sequence
+
+    // Convert all bracket types to parentheses (necessary for passing to VARNA)
+    Regex openparen = new Regex("(<|\\[)", "(");
+    Regex closeparen = new Regex("(>|\\])", ")");
+
+    // Detect if file is RNA by looking for bracket types
+    Regex detectbrackets = new Regex("(<|>|\\[|\\]|\\(|\\))");
+
+    rend.optimize();
+    p.optimize();
+    s.optimize();
+    r.optimize();
+    x.optimize();
+    openparen.optimize();
+    closeparen.optimize();
+
+    while ((line = nextLine()) != null)
+    {
+      if (line.length() == 0)
+      {
+        continue;
+      }
+      if (rend.search(line))
+      {
+        // End of the alignment, pass stuff back
         this.noSeqs = seqs.size();
-       
-        String seqdb,dbsource = null;
+
+        String seqdb, dbsource = null;
         Regex pf = new Regex("PF[0-9]{5}(.*)"); // Finds AC for Pfam
         Regex rf = new Regex("RF[0-9]{5}(.*)"); // Finds AC for Rfam
         if (getAlignmentProperty("AC") != null)
@@ -256,59 +257,59 @@ public class StockholmFile extends AlignFile
             dbsource = "RFAM";
           }
         }
-               // logger.debug("Number of sequences: " + this.noSeqs);
-               Enumeration accs = seqs.keys();
-               while (accs.hasMoreElements())
-               {
-                 String acc = (String) accs.nextElement();
-                 // logger.debug("Processing sequence " + acc);
-                 String seq = (String) seqs.remove(acc);
-                 if (maxLength < seq.length())
-                 {
-                   maxLength = seq.length();
-                 }
-                 int start = 1;
-                 int end = -1;
-                 String sid = acc;
-                 /*
+        // logger.debug("Number of sequences: " + this.noSeqs);
+        Enumeration accs = seqs.keys();
+        while (accs.hasMoreElements())
+        {
+          String acc = (String) accs.nextElement();
+          // logger.debug("Processing sequence " + acc);
+          String seq = (String) seqs.remove(acc);
+          if (maxLength < seq.length())
+          {
+            maxLength = seq.length();
+          }
+          int start = 1;
+          int end = -1;
+          String sid = acc;
+          /*
            * Retrieve hash of annotations for this accession Associate
            * Annotation with accession
-                  */
-                 Hashtable accAnnotations = null;
-       
-                 if (seqAnn != null && seqAnn.containsKey(acc))
-                 {
-                   accAnnotations = (Hashtable) seqAnn.remove(acc);
-                   //TODO: add structures to sequence
-                 }
-       
-                 // Split accession in id and from/to
-                 if (p.search(acc))
-                 {
-                   sid = p.stringMatched(1);
-                   start = Integer.parseInt(p.stringMatched(2));
-                   end = Integer.parseInt(p.stringMatched(3));
-                 }
-                 // logger.debug(sid + ", " + start + ", " + end);
-       
-                 Sequence seqO = new Sequence(sid, seq, start, end);
-                 // Add Description (if any)
-                 if (accAnnotations != null && accAnnotations.containsKey("DE"))
-                 {
-                   String desc = (String) accAnnotations.get("DE");
-                   seqO.setDescription((desc == null) ? "" : desc);
-                 }
-                 // Add DB References (if any)
-                 if (accAnnotations != null && accAnnotations.containsKey("DR"))
-                 {
-                   String dbr = (String) accAnnotations.get("DR");
-                   if (dbr != null && dbr.indexOf(";") > -1)
-                   {
-                     String src = dbr.substring(0, dbr.indexOf(";"));
-                     String acn = dbr.substring(dbr.indexOf(";") + 1);
-                     jalview.util.DBRefUtils.parseToDbRef(seqO, src, "0", acn);
-                   }
-                 }        
+           */
+          Hashtable accAnnotations = null;
+
+          if (seqAnn != null && seqAnn.containsKey(acc))
+          {
+            accAnnotations = (Hashtable) seqAnn.remove(acc);
+            // TODO: add structures to sequence
+          }
+
+          // Split accession in id and from/to
+          if (p.search(acc))
+          {
+            sid = p.stringMatched(1);
+            start = Integer.parseInt(p.stringMatched(2));
+            end = Integer.parseInt(p.stringMatched(3));
+          }
+          // logger.debug(sid + ", " + start + ", " + end);
+
+          Sequence seqO = new Sequence(sid, seq, start, end);
+          // Add Description (if any)
+          if (accAnnotations != null && accAnnotations.containsKey("DE"))
+          {
+            String desc = (String) accAnnotations.get("DE");
+            seqO.setDescription((desc == null) ? "" : desc);
+          }
+          // Add DB References (if any)
+          if (accAnnotations != null && accAnnotations.containsKey("DR"))
+          {
+            String dbr = (String) accAnnotations.get("DR");
+            if (dbr != null && dbr.indexOf(";") > -1)
+            {
+              String src = dbr.substring(0, dbr.indexOf(";"));
+              String acn = dbr.substring(dbr.indexOf(";") + 1);
+              jalview.util.DBRefUtils.parseToDbRef(seqO, src, "0", acn);
+            }
+          }
 
           if (accAnnotations != null && accAnnotations.containsKey("AC"))
           {
@@ -316,39 +317,42 @@ public class StockholmFile extends AlignFile
             {
               String dbr = (String) accAnnotations.get("AC");
               if (dbr != null)
-                 {
-                // we could get very clever here - but for now - just try to guess accession type from source of alignment plus structure of accession
+              {
+                // we could get very clever here - but for now - just try to
+                // guess accession type from source of alignment plus structure
+                // of accession
                 guessDatabaseFor(seqO, dbr, dbsource);
-                         
-                           }
-                 }
-            // else - do what ?  add the data anyway and prompt the user to specify what references these are ?
+
+              }
+            }
+            // else - do what ? add the data anyway and prompt the user to
+            // specify what references these are ?
           }
-               
-                 Hashtable features = null;
-                 // We need to adjust the positions of all features to account for gaps
-                 try
-                 {
-                   features = (Hashtable) accAnnotations.remove("features");
-                 } catch (java.lang.NullPointerException e)
-                 {
-                   // loggerwarn("Getting Features for " + acc + ": " +
-                   // e.getMessage());
-                   // continue;
-                 }
-                 // if we have features
-                 if (features != null)
-                 {
-                   int posmap[] = seqO.findPositionMap();
-                   Enumeration i = features.keys();
-                   while (i.hasMoreElements())
-                   {
-                     // TODO: parse out secondary structure annotation as annotation
-                     // row
-                     // TODO: parse out scores as annotation row
-                     // TODO: map coding region to core jalview feature types
-                     String type = i.nextElement().toString();
-                     Hashtable content = (Hashtable) features.remove(type);
+
+          Hashtable features = null;
+          // We need to adjust the positions of all features to account for gaps
+          try
+          {
+            features = (Hashtable) accAnnotations.remove("features");
+          } catch (java.lang.NullPointerException e)
+          {
+            // loggerwarn("Getting Features for " + acc + ": " +
+            // e.getMessage());
+            // continue;
+          }
+          // if we have features
+          if (features != null)
+          {
+            int posmap[] = seqO.findPositionMap();
+            Enumeration i = features.keys();
+            while (i.hasMoreElements())
+            {
+              // TODO: parse out secondary structure annotation as annotation
+              // row
+              // TODO: parse out scores as annotation row
+              // TODO: map coding region to core jalview feature types
+              String type = i.nextElement().toString();
+              Hashtable content = (Hashtable) features.remove(type);
 
               // add alignment annotation for this feature
               String key = type2id(type);
@@ -367,338 +371,347 @@ public class StockholmFile extends AlignFile
                 }
               }
 
-                     Enumeration j = content.keys();
-                     while (j.hasMoreElements())
-                     {
-                       String desc = j.nextElement().toString();
-                       String ns = content.get(desc).toString();
-                       char[] byChar = ns.toCharArray();
-                       for (int k = 0; k < byChar.length; k++)
-                       {
-                         char c = byChar[k];
-                         if (!(c == ' ' || c == '_' || c == '-' || c == '.')) // PFAM
-                         // uses
-                         // '.'
-                         // for
-                         // feature
-                         // background
-                         {
-                           int new_pos = posmap[k]; // look up nearest seqeunce
-                           // position to this column
-                           SequenceFeature feat = new SequenceFeature(type, desc,
-                                   new_pos, new_pos, 0f, null);
-       
-                           seqO.addSequenceFeature(feat);
-                         }
-                       }
-                     }
-       
-                   }
-       
-                 }
-                 // garbage collect
-       
-                 // logger.debug("Adding seq " + acc + " from " + start + " to " + end
-                 // + ": " + seq);
-                 this.seqs.addElement(seqO);
-               }
-               return; // finished parsing this segment of source
-             }
-             else if (!r.search(line))
-             {
-               // System.err.println("Found sequence line: " + line);
-       
-               // Split sequence in sequence and accession parts
-               if (!x.search(line))
-               {
-                 // logger.error("Could not parse sequence line: " + line);
-                 throw new IOException("Could not parse sequence line: " + line);
-               }
-               String ns = (String) seqs.get(x.stringMatched(1));
-               if (ns == null)
-               {
-                 ns = "";
-               }
-               ns += x.stringMatched(2);
-       
-               seqs.put(x.stringMatched(1), ns);
-             }
-             else
-             {
-               String annType = r.stringMatched(1);
-               String annContent = r.stringMatched(2);
-       
-               // System.err.println("type:" + annType + " content: " + annContent);
-       
-               if (annType.equals("GF"))
-               {
-                 /*
-                  * Generic per-File annotation, free text Magic features: #=GF NH
-                  * <tree in New Hampshire eXtended format> #=GF TN <Unique identifier
-                  * for the next tree> Pfam descriptions: 7. DESCRIPTION OF FIELDS
-                  * 
-                  * Compulsory fields: ------------------
-                  * 
-                  * AC Accession number: Accession number in form PFxxxxx.version or
-                  * PBxxxxxx. ID Identification: One word name for family. DE
-                  * Definition: Short description of family. AU Author: Authors of the
-                  * entry. SE Source of seed: The source suggesting the seed members
-                  * belong to one family. GA Gathering method: Search threshold to
-                  * build the full alignment. TC Trusted Cutoff: Lowest sequence score
-                  * and domain score of match in the full alignment. NC Noise Cutoff:
-                  * Highest sequence score and domain score of match not in full
-                  * alignment. TP Type: Type of family -- presently Family, Domain,
-                  * Motif or Repeat. SQ Sequence: Number of sequences in alignment. AM
-                  * Alignment Method The order ls and fs hits are aligned to the model
-                  * to build the full align. // End of alignment.
-                  * 
-                  * Optional fields: ----------------
-                  * 
-                  * DC Database Comment: Comment about database reference. DR Database
-                  * Reference: Reference to external database. RC Reference Comment:
-                  * Comment about literature reference. RN Reference Number: Reference
-                  * Number. RM Reference Medline: Eight digit medline UI number. RT
-                  * Reference Title: Reference Title. RA Reference Author: Reference
-                  * Author RL Reference Location: Journal location. PI Previous
-                  * identifier: Record of all previous ID lines. KW Keywords: Keywords.
-                  * CC Comment: Comments. NE Pfam accession: Indicates a nested domain.
-                  * NL Location: Location of nested domains - sequence ID, start and
-                  * end of insert.
-                  * 
-                  * Obsolete fields: ----------- AL Alignment method of seed: The
-                  * method used to align the seed members.
-                  */
-                 // Let's save the annotations, maybe we'll be able to do something
-                 // with them later...
-                 Regex an = new Regex("(\\w+)\\s*(.*)");
-                 if (an.search(annContent))
-                 {
-                   if (an.stringMatched(1).equals("NH"))
-                   {
-                     treeString.append(an.stringMatched(2));
-                   }
-                   else if (an.stringMatched(1).equals("TN"))
-                   {
-                     if (treeString.length() > 0)
-                     {
-                       if (treeName == null)
-                       {
-                         treeName = "Tree " + (getTreeCount() + 1);
-                       }
-                       addNewickTree(treeName, treeString.toString());
-                     }
-                     treeName = an.stringMatched(2);
-                     treeString = new StringBuffer();
-                   }
-                   setAlignmentProperty(an.stringMatched(1), an.stringMatched(2));
-                 }
-               }
-               else if (annType.equals("GS"))
-               {
-                 // Generic per-Sequence annotation, free text
-                 /*
-                  * Pfam uses these features: Feature Description ---------------------
-                  * ----------- AC <accession> ACcession number DE <freetext>
-                  * DEscription DR <db>; <accession>; Database Reference OS <organism>
-                  * OrganiSm (species) OC <clade> Organism Classification (clade, etc.)
-                  * LO <look> Look (Color, etc.)
-                  */
-                 if (s.search(annContent))
-                 {
-                   String acc = s.stringMatched(1);
-                   String type = s.stringMatched(2);
-                   String content = s.stringMatched(3);
-                   // TODO: store DR in a vector.
-                   // TODO: store AC according to generic file db annotation.
-                   Hashtable ann;
-                   if (seqAnn.containsKey(acc))
-                   {
-                     ann = (Hashtable) seqAnn.get(acc);
-                   }
-                   else
-                   {
-                     ann = new Hashtable();
-                   }
-                   ann.put(type, content);
-                   seqAnn.put(acc, ann);
-                 }
-                 else
-                 {
-                   throw new IOException("Error parsing " + line);
-                 }
-               }
-               else if (annType.equals("GC"))
-               {
-                 // Generic per-Column annotation, exactly 1 char per column
-                 // always need a label.
-                 if (x.search(annContent))
-                 {
-                   // parse out and create alignment annotation directly.
-                   parseAnnotationRow(annotations, x.stringMatched(1),
-                           x.stringMatched(2));
-                 }
-               }
-               else if (annType.equals("GR"))
-               {
-                 // Generic per-Sequence AND per-Column markup, exactly 1 char per
-                 // column
-                 /*
-                  * Feature Description Markup letters ------- -----------
-                  * -------------- SS Secondary Structure [HGIEBTSCX] SA Surface
-                  * Accessibility [0-9X] (0=0%-10%; ...; 9=90%-100%) TM TransMembrane
-                  * [Mio] PP Posterior Probability [0-9*] (0=0.00-0.05; 1=0.05-0.15;
-                  * *=0.95-1.00) LI LIgand binding [*] AS Active Site [*] IN INtron (in
-                  * or after) [0-2]
-                  */
-                 if (s.search(annContent))
-                 {
-                   String acc = s.stringMatched(1);
-                   String type = s.stringMatched(2);
-                   String seq = new String(s.stringMatched(3));
-                   String description = null;
-                   // Check for additional information about the current annotation
-                   // We use a simple string tokenizer here for speed
-                   StringTokenizer sep = new StringTokenizer(seq, " \t");
-                   description = sep.nextToken();
-                   if (sep.hasMoreTokens())
-                   {
-                     seq = sep.nextToken();
-                   }
-                   else
-                   {
-                     seq = description;
-                     description = new String();
-                   }
-                   // sequence id with from-to fields
-       
-                   Hashtable ann;
-                   // Get an object with all the annotations for this sequence
-                   if (seqAnn.containsKey(acc))
-                   {
-                     // logger.debug("Found annotations for " + acc);
-                     ann = (Hashtable) seqAnn.get(acc);
-                   }
-                   else
-                   {
-                     // logger.debug("Creating new annotations holder for " + acc);
-                     ann = new Hashtable();
-                     seqAnn.put(acc, ann);
-                   }
+              Enumeration j = content.keys();
+              while (j.hasMoreElements())
+              {
+                String desc = j.nextElement().toString();
+                String ns = content.get(desc).toString();
+                char[] byChar = ns.toCharArray();
+                for (int k = 0; k < byChar.length; k++)
+                {
+                  char c = byChar[k];
+                  if (!(c == ' ' || c == '_' || c == '-' || c == '.')) // PFAM
+                  // uses
+                  // '.'
+                  // for
+                  // feature
+                  // background
+                  {
+                    int new_pos = posmap[k]; // look up nearest seqeunce
+                    // position to this column
+                    SequenceFeature feat = new SequenceFeature(type, desc,
+                            new_pos, new_pos, 0f, null);
+
+                    seqO.addSequenceFeature(feat);
+                  }
+                }
+              }
+
+            }
+
+          }
+          // garbage collect
+
+          // logger.debug("Adding seq " + acc + " from " + start + " to " + end
+          // + ": " + seq);
+          this.seqs.addElement(seqO);
+        }
+        return; // finished parsing this segment of source
+      }
+      else if (!r.search(line))
+      {
+        // System.err.println("Found sequence line: " + line);
+
+        // Split sequence in sequence and accession parts
+        if (!x.search(line))
+        {
+          // logger.error("Could not parse sequence line: " + line);
+          throw new IOException("Could not parse sequence line: " + line);
+        }
+        String ns = (String) seqs.get(x.stringMatched(1));
+        if (ns == null)
+        {
+          ns = "";
+        }
+        ns += x.stringMatched(2);
+
+        seqs.put(x.stringMatched(1), ns);
+      }
+      else
+      {
+        String annType = r.stringMatched(1);
+        String annContent = r.stringMatched(2);
+
+        // System.err.println("type:" + annType + " content: " + annContent);
+
+        if (annType.equals("GF"))
+        {
+          /*
+           * Generic per-File annotation, free text Magic features: #=GF NH
+           * <tree in New Hampshire eXtended format> #=GF TN <Unique identifier
+           * for the next tree> Pfam descriptions: 7. DESCRIPTION OF FIELDS
+           * 
+           * Compulsory fields: ------------------
+           * 
+           * AC Accession number: Accession number in form PFxxxxx.version or
+           * PBxxxxxx. ID Identification: One word name for family. DE
+           * Definition: Short description of family. AU Author: Authors of the
+           * entry. SE Source of seed: The source suggesting the seed members
+           * belong to one family. GA Gathering method: Search threshold to
+           * build the full alignment. TC Trusted Cutoff: Lowest sequence score
+           * and domain score of match in the full alignment. NC Noise Cutoff:
+           * Highest sequence score and domain score of match not in full
+           * alignment. TP Type: Type of family -- presently Family, Domain,
+           * Motif or Repeat. SQ Sequence: Number of sequences in alignment. AM
+           * Alignment Method The order ls and fs hits are aligned to the model
+           * to build the full align. // End of alignment.
+           * 
+           * Optional fields: ----------------
+           * 
+           * DC Database Comment: Comment about database reference. DR Database
+           * Reference: Reference to external database. RC Reference Comment:
+           * Comment about literature reference. RN Reference Number: Reference
+           * Number. RM Reference Medline: Eight digit medline UI number. RT
+           * Reference Title: Reference Title. RA Reference Author: Reference
+           * Author RL Reference Location: Journal location. PI Previous
+           * identifier: Record of all previous ID lines. KW Keywords: Keywords.
+           * CC Comment: Comments. NE Pfam accession: Indicates a nested domain.
+           * NL Location: Location of nested domains - sequence ID, start and
+           * end of insert.
+           * 
+           * Obsolete fields: ----------- AL Alignment method of seed: The
+           * method used to align the seed members.
+           */
+          // Let's save the annotations, maybe we'll be able to do something
+          // with them later...
+          Regex an = new Regex("(\\w+)\\s*(.*)");
+          if (an.search(annContent))
+          {
+            if (an.stringMatched(1).equals("NH"))
+            {
+              treeString.append(an.stringMatched(2));
+            }
+            else if (an.stringMatched(1).equals("TN"))
+            {
+              if (treeString.length() > 0)
+              {
+                if (treeName == null)
+                {
+                  treeName = "Tree " + (getTreeCount() + 1);
+                }
+                addNewickTree(treeName, treeString.toString());
+              }
+              treeName = an.stringMatched(2);
+              treeString = new StringBuffer();
+            }
+            setAlignmentProperty(an.stringMatched(1), an.stringMatched(2));
+          }
+        }
+        else if (annType.equals("GS"))
+        {
+          // Generic per-Sequence annotation, free text
+          /*
+           * Pfam uses these features: Feature Description ---------------------
+           * ----------- AC <accession> ACcession number DE <freetext>
+           * DEscription DR <db>; <accession>; Database Reference OS <organism>
+           * OrganiSm (species) OC <clade> Organism Classification (clade, etc.)
+           * LO <look> Look (Color, etc.)
+           */
+          if (s.search(annContent))
+          {
+            String acc = s.stringMatched(1);
+            String type = s.stringMatched(2);
+            String content = s.stringMatched(3);
+            // TODO: store DR in a vector.
+            // TODO: store AC according to generic file db annotation.
+            Hashtable ann;
+            if (seqAnn.containsKey(acc))
+            {
+              ann = (Hashtable) seqAnn.get(acc);
+            }
+            else
+            {
+              ann = new Hashtable();
+            }
+            ann.put(type, content);
+            seqAnn.put(acc, ann);
+          }
+          else
+          {
+            throw new IOException("Error parsing " + line);
+          }
+        }
+        else if (annType.equals("GC"))
+        {
+          // Generic per-Column annotation, exactly 1 char per column
+          // always need a label.
+          if (x.search(annContent))
+          {
+            // parse out and create alignment annotation directly.
+            parseAnnotationRow(annotations, x.stringMatched(1),
+                    x.stringMatched(2));
+          }
+        }
+        else if (annType.equals("GR"))
+        {
+          // Generic per-Sequence AND per-Column markup, exactly 1 char per
+          // column
+          /*
+           * Feature Description Markup letters ------- -----------
+           * -------------- SS Secondary Structure [HGIEBTSCX] SA Surface
+           * Accessibility [0-9X] (0=0%-10%; ...; 9=90%-100%) TM TransMembrane
+           * [Mio] PP Posterior Probability [0-9*] (0=0.00-0.05; 1=0.05-0.15;
+           * *=0.95-1.00) LI LIgand binding [*] AS Active Site [*] IN INtron (in
+           * or after) [0-2]
+           */
+          if (s.search(annContent))
+          {
+            String acc = s.stringMatched(1);
+            String type = s.stringMatched(2);
+            String seq = new String(s.stringMatched(3));
+            String description = null;
+            // Check for additional information about the current annotation
+            // We use a simple string tokenizer here for speed
+            StringTokenizer sep = new StringTokenizer(seq, " \t");
+            description = sep.nextToken();
+            if (sep.hasMoreTokens())
+            {
+              seq = sep.nextToken();
+            }
+            else
+            {
+              seq = description;
+              description = new String();
+            }
+            // sequence id with from-to fields
+
+            Hashtable ann;
+            // Get an object with all the annotations for this sequence
+            if (seqAnn.containsKey(acc))
+            {
+              // logger.debug("Found annotations for " + acc);
+              ann = (Hashtable) seqAnn.get(acc);
+            }
+            else
+            {
+              // logger.debug("Creating new annotations holder for " + acc);
+              ann = new Hashtable();
+              seqAnn.put(acc, ann);
+            }
             // TODO test structure, call parseAnnotationRow with vector from
             // hashtable for specific sequence
-                   Hashtable features;
-                   // Get an object with all the content for an annotation
-                   if (ann.containsKey("features"))
-                   {
-                     // logger.debug("Found features for " + acc);
-                     features = (Hashtable) ann.get("features");
-                   }
-                   else
-                   {
-                     // logger.debug("Creating new features holder for " + acc);
-                     features = new Hashtable();
-                     ann.put("features", features);
-                   }
-       
-                   Hashtable content;
-                   if (features.containsKey(this.id2type(type)))
-                   {
-                     // logger.debug("Found content for " + this.id2type(type));
-                     content = (Hashtable) features.get(this.id2type(type));
-                   }
-                   else
-                   {
-                     // logger.debug("Creating new content holder for " +
-                     // this.id2type(type));
-                     content = new Hashtable();
-                     features.put(this.id2type(type), content);
-                   }
-                   String ns = (String) content.get(description);
-                   if (ns == null)
-                   {
-                     ns = "";
-                   }
-                   ns += seq;
-                   content.put(description, ns);
-       
-//                 if(type.equals("SS")){
-                       Hashtable strucAnn;
-                       if (seqAnn.containsKey(acc))
-                       {
-                         strucAnn = (Hashtable) seqAnn.get(acc);
-                       }
-                       else
-                       {
-                         strucAnn = new Hashtable();
-                       }
-                       
-                       Vector newStruc=new Vector();
-                       parseAnnotationRow(newStruc, type,ns);
-                       
-                       strucAnn.put(type, newStruc);
-                       seqAnn.put(acc, strucAnn);
-                    }
-//               }
-                       else
-                       {
-                                               System.err
-                                               .println("Warning - couldn't parse sequence annotation row line:\n"
-                                               + line);
-                       // throw new IOException("Error parsing " + line);
-                       }
-                       }
-                       else
-                       {
-                       throw new IOException("Unknown annotation detected: " + annType
-                               + " " + annContent);
-                       }
-                       }
-               }
-               if (treeString.length() > 0)
-               {
-               if (treeName == null)
-               {
-                       treeName = "Tree " + (1 + getTreeCount());
-               }
-               addNewickTree(treeName, treeString.toString());
-               }
-       }
+            Hashtable features;
+            // Get an object with all the content for an annotation
+            if (ann.containsKey("features"))
+            {
+              // logger.debug("Found features for " + acc);
+              features = (Hashtable) ann.get("features");
+            }
+            else
+            {
+              // logger.debug("Creating new features holder for " + acc);
+              features = new Hashtable();
+              ann.put("features", features);
+            }
 
-/**
-   * Demangle an accession string and guess the originating sequence database for a given sequence
-   * @param seqO sequence to be annotated
-   * @param dbr Accession string for sequence
-   * @param dbsource source database for alignment (PFAM or RFAM)
+            Hashtable content;
+            if (features.containsKey(this.id2type(type)))
+            {
+              // logger.debug("Found content for " + this.id2type(type));
+              content = (Hashtable) features.get(this.id2type(type));
+            }
+            else
+            {
+              // logger.debug("Creating new content holder for " +
+              // this.id2type(type));
+              content = new Hashtable();
+              features.put(this.id2type(type), content);
+            }
+            String ns = (String) content.get(description);
+            if (ns == null)
+            {
+              ns = "";
+            }
+            ns += seq;
+            content.put(description, ns);
+
+            // if(type.equals("SS")){
+            Hashtable strucAnn;
+            if (seqAnn.containsKey(acc))
+            {
+              strucAnn = (Hashtable) seqAnn.get(acc);
+            }
+            else
+            {
+              strucAnn = new Hashtable();
+            }
+
+            Vector newStruc = new Vector();
+            parseAnnotationRow(newStruc, type, ns);
+
+            strucAnn.put(type, newStruc);
+            seqAnn.put(acc, strucAnn);
+          }
+          // }
+          else
+          {
+            System.err
+                    .println("Warning - couldn't parse sequence annotation row line:\n"
+                            + line);
+            // throw new IOException("Error parsing " + line);
+          }
+        }
+        else
+        {
+          throw new IOException("Unknown annotation detected: " + annType
+                  + " " + annContent);
+        }
+      }
+    }
+    if (treeString.length() > 0)
+    {
+      if (treeName == null)
+      {
+        treeName = "Tree " + (1 + getTreeCount());
+      }
+      addNewickTree(treeName, treeString.toString());
+    }
+  }
+
+  /**
+   * Demangle an accession string and guess the originating sequence database
+   * for a given sequence
+   * 
+   * @param seqO
+   *          sequence to be annotated
+   * @param dbr
+   *          Accession string for sequence
+   * @param dbsource
+   *          source database for alignment (PFAM or RFAM)
    */
   private void guessDatabaseFor(Sequence seqO, String dbr, String dbsource)
   {
-    DBRefEntry dbrf=null;
-    List<DBRefEntry> dbrs=new ArrayList<DBRefEntry>();
-    String seqdb="Unknown",sdbac=""+dbr;
-    int st=-1,en=-1,p;
-    if ((st=sdbac.indexOf("/"))>-1)
+    DBRefEntry dbrf = null;
+    List<DBRefEntry> dbrs = new ArrayList<DBRefEntry>();
+    String seqdb = "Unknown", sdbac = "" + dbr;
+    int st = -1, en = -1, p;
+    if ((st = sdbac.indexOf("/")) > -1)
     {
-      String num,range=sdbac.substring(st+1);
-      sdbac = sdbac.substring(0,st);
-      if ((p=range.indexOf("-"))>-1)
+      String num, range = sdbac.substring(st + 1);
+      sdbac = sdbac.substring(0, st);
+      if ((p = range.indexOf("-")) > -1)
       {
         p++;
-        if (p<range.length())
-        {
-        num = range.substring(p).trim();
-        try {
-          en = Integer.parseInt(num);
-        } catch (NumberFormatException x)
+        if (p < range.length())
         {
-          // could warn here that index is invalid
-          en = -1;
-        }
+          num = range.substring(p).trim();
+          try
+          {
+            en = Integer.parseInt(num);
+          } catch (NumberFormatException x)
+          {
+            // could warn here that index is invalid
+            en = -1;
+          }
         }
-      } else {
-        p=range.length();
       }
-      num=range.substring(0,p).trim();
-      try {
+      else
+      {
+        p = range.length();
+      }
+      num = range.substring(0, p).trim();
+      try
+      {
         st = Integer.parseInt(num);
       } catch (NumberFormatException x)
       {
@@ -706,47 +719,57 @@ public class StockholmFile extends AlignFile
         st = -1;
       }
     }
-    if (dbsource.equals("PFAM")) {
+    if (dbsource.equals("PFAM"))
+    {
       seqdb = "UNIPROT";
-      if (sdbac.indexOf(".")>-1)
+      if (sdbac.indexOf(".") > -1)
       {
         // strip of last subdomain
-        sdbac = sdbac.substring(0,sdbac.indexOf("."));
-        dbrf = jalview.util.DBRefUtils.parseToDbRef(seqO, seqdb, dbsource, sdbac);
-        if (dbrf!=null)
+        sdbac = sdbac.substring(0, sdbac.indexOf("."));
+        dbrf = jalview.util.DBRefUtils.parseToDbRef(seqO, seqdb, dbsource,
+                sdbac);
+        if (dbrf != null)
         {
           dbrs.add(dbrf);
         }
       }
-      dbrf = jalview.util.DBRefUtils.parseToDbRef(seqO, dbsource, dbsource, dbr);
-      if (dbr!=null)
+      dbrf = jalview.util.DBRefUtils.parseToDbRef(seqO, dbsource, dbsource,
+              dbr);
+      if (dbr != null)
       {
         dbrs.add(dbrf);
       }
-    } else {
-      seqdb = "EMBL"; // total guess - could be ENA, or something else these days
-      if (sdbac.indexOf(".")>-1)
+    }
+    else
+    {
+      seqdb = "EMBL"; // total guess - could be ENA, or something else these
+                      // days
+      if (sdbac.indexOf(".") > -1)
       {
         // strip off last subdomain
-        sdbac = sdbac.substring(0,sdbac.indexOf("."));
-        dbrf = jalview.util.DBRefUtils.parseToDbRef(seqO, seqdb, dbsource, sdbac);
-        if (dbrf!=null)
+        sdbac = sdbac.substring(0, sdbac.indexOf("."));
+        dbrf = jalview.util.DBRefUtils.parseToDbRef(seqO, seqdb, dbsource,
+                sdbac);
+        if (dbrf != null)
         {
           dbrs.add(dbrf);
         }
       }
-      
-      dbrf = jalview.util.DBRefUtils.parseToDbRef(seqO, dbsource, dbsource, dbr);
-      if (dbrf!=null)
+
+      dbrf = jalview.util.DBRefUtils.parseToDbRef(seqO, dbsource, dbsource,
+              dbr);
+      if (dbrf != null)
       {
         dbrs.add(dbrf);
       }
     }
-    if (st!=-1 && en!=-1)
+    if (st != -1 && en != -1)
     {
-      for (DBRefEntry d:dbrs)
+      for (DBRefEntry d : dbrs)
       {
-        jalview.util.MapList mp = new jalview.util.MapList(new int[] { seqO.getStart(),seqO.getEnd()},new int[] { st,en},1,1);
+        jalview.util.MapList mp = new jalview.util.MapList(new int[]
+        { seqO.getStart(), seqO.getEnd() }, new int[]
+        { st, en }, 1, 1);
         jalview.datamodel.Mapping mping = new Mapping(mp);
         d.setMap(mping);
       }
@@ -1025,7 +1048,7 @@ public class StockholmFile extends AlignFile
             seq += ch;
           }
           else if (ch.length() > 1)
-  {
+          {
             seq += ch.charAt(1);
           }
         }
@@ -1105,6 +1128,7 @@ public class StockholmFile extends AlignFile
             + type);
     return key;
   }
+
   /**
    * make a friendly ID string.
    *