2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
23 import jalview.analysis.SequenceIdMatcher;
24 import jalview.datamodel.AlignedCodonFrame;
25 import jalview.datamodel.AlignmentI;
26 import jalview.datamodel.SequenceDummy;
27 import jalview.datamodel.SequenceFeature;
28 import jalview.datamodel.SequenceI;
29 import jalview.schemes.AnnotationColourGradient;
30 import jalview.schemes.GraduatedColor;
31 import jalview.schemes.UserColourScheme;
32 import jalview.util.Format;
33 import jalview.util.MapList;
35 import java.io.IOException;
36 import java.util.ArrayList;
37 import java.util.Arrays;
38 import java.util.HashMap;
39 import java.util.Hashtable;
40 import java.util.Iterator;
41 import java.util.List;
43 import java.util.StringTokenizer;
44 import java.util.Vector;
47 * Parse and create Jalview Features files Detects GFF format features files and
48 * parses. Does not implement standard print() - call specific printFeatures or
49 * printGFF. Uses AlignmentI.findSequence(String id) to find the sequence object
50 * for the features annotation - this normally works on an exact match.
55 public class FeaturesFile extends AlignFile
58 * work around for GFF interpretation bug where source string becomes
59 * description rather than a group
61 private boolean doGffSource = true;
64 * Creates a new FeaturesFile object.
71 * Creates a new FeaturesFile object.
81 public FeaturesFile(String inFile, String type) throws IOException
86 public FeaturesFile(FileParse source) throws IOException
92 * Parse GFF or sequence features file using case-independent matching,
96 * - alignment/dataset containing sequences that are to be annotated
98 * - hashtable to store feature colour definitions
100 * - process html strings into plain text
101 * @return true if features were added
103 public boolean parse(AlignmentI align, Hashtable colours,
106 return parse(align, colours, null, removeHTML, false);
110 * Parse GFF or sequence features file optionally using case-independent
111 * matching, discarding URLs
114 * - alignment/dataset containing sequences that are to be annotated
116 * - hashtable to store feature colour definitions
118 * - process html strings into plain text
119 * @param relaxedIdmatching
120 * - when true, ID matches to compound sequence IDs are allowed
121 * @return true if features were added
123 public boolean parse(AlignmentI align, Map colours, boolean removeHTML,
124 boolean relaxedIdMatching)
126 return parse(align, colours, null, removeHTML, relaxedIdMatching);
130 * Parse GFF or sequence features file optionally using case-independent
134 * - alignment/dataset containing sequences that are to be annotated
136 * - hashtable to store feature colour definitions
138 * - hashtable to store associated URLs
140 * - process html strings into plain text
141 * @return true if features were added
143 public boolean parse(AlignmentI align, Map colours, Map featureLink,
146 return parse(align, colours, featureLink, removeHTML, false);
150 * Parse GFF or sequence features file
153 * - alignment/dataset containing sequences that are to be annotated
155 * - hashtable to store feature colour definitions
157 * - hashtable to store associated URLs
159 * - process html strings into plain text
160 * @param relaxedIdmatching
161 * - when true, ID matches to compound sequence IDs are allowed
162 * @return true if features were added
164 public boolean parse(AlignmentI align, Map colours, Map featureLink,
165 boolean removeHTML, boolean relaxedIdmatching)
171 SequenceI seq = null;
172 String type, desc, token = null;
174 int index, start, end;
178 String featureGroup = null, groupLink = null;
179 Map typeLink = new Hashtable();
181 * when true, assume GFF style features rather than Jalview style.
183 boolean GFFFile = true;
184 while ((line = nextLine()) != null)
186 if (line.startsWith("#"))
191 st = new StringTokenizer(line, "\t");
192 if (st.countTokens() == 1)
194 if (line.trim().equalsIgnoreCase("GFF"))
196 // Start parsing file as if it might be GFF again.
201 if (st.countTokens() > 1 && st.countTokens() < 4)
204 type = st.nextToken();
205 if (type.equalsIgnoreCase("startgroup"))
207 featureGroup = st.nextToken();
208 if (st.hasMoreElements())
210 groupLink = st.nextToken();
211 featureLink.put(featureGroup, groupLink);
214 else if (type.equalsIgnoreCase("endgroup"))
216 // We should check whether this is the current group,
217 // but at present theres no way of showing more than 1 group
224 Object colour = null;
225 String colscheme = st.nextToken();
226 if (colscheme.indexOf("|") > -1
227 || colscheme.trim().equalsIgnoreCase("label"))
229 // Parse '|' separated graduated colourscheme fields:
230 // [label|][mincolour|maxcolour|[absolute|]minvalue|maxvalue|thresholdtype|thresholdvalue]
231 // can either provide 'label' only, first is optional, next two
232 // colors are required (but may be
233 // left blank), next is optional, nxt two min/max are required.
234 // first is either 'label'
235 // first/second and third are both hexadecimal or word equivalent
237 // next two are values parsed as floats.
238 // fifth is either 'above','below', or 'none'.
239 // sixth is a float value and only required when fifth is either
240 // 'above' or 'below'.
241 StringTokenizer gcol = new StringTokenizer(colscheme, "|",
244 int threshtype = AnnotationColourGradient.NO_THRESHOLD;
245 float min = Float.MIN_VALUE, max = Float.MAX_VALUE, threshval = Float.NaN;
246 boolean labelCol = false;
248 String mincol = gcol.nextToken();
252 .println("Expected either 'label' or a colour specification in the line: "
256 String maxcol = null;
257 if (mincol.toLowerCase().indexOf("label") == 0)
260 mincol = (gcol.hasMoreTokens() ? gcol.nextToken() : null); // skip
262 mincol = (gcol.hasMoreTokens() ? gcol.nextToken() : null);
264 String abso = null, minval, maxval;
267 // at least four more tokens
268 if (mincol.equals("|"))
274 gcol.nextToken(); // skip next '|'
276 // continue parsing rest of line
277 maxcol = gcol.nextToken();
278 if (maxcol.equals("|"))
284 gcol.nextToken(); // skip next '|'
286 abso = gcol.nextToken();
287 gcol.nextToken(); // skip next '|'
288 if (abso.toLowerCase().indexOf("abso") != 0)
295 minval = gcol.nextToken();
296 gcol.nextToken(); // skip next '|'
298 maxval = gcol.nextToken();
299 if (gcol.hasMoreTokens())
301 gcol.nextToken(); // skip next '|'
305 if (minval.length() > 0)
307 min = new Float(minval).floatValue();
309 } catch (Exception e)
312 .println("Couldn't parse the minimum value for graduated colour for type ("
314 + ") - did you misspell 'auto' for the optional automatic colour switch ?");
319 if (maxval.length() > 0)
321 max = new Float(maxval).floatValue();
323 } catch (Exception e)
326 .println("Couldn't parse the maximum value for graduated colour for type ("
333 // add in some dummy min/max colours for the label-only
340 colour = new jalview.schemes.GraduatedColor(
341 new UserColourScheme(mincol).findColour('A'),
342 new UserColourScheme(maxcol).findColour('A'), min,
344 } catch (Exception e)
347 .println("Couldn't parse the graduated colour scheme ("
353 ((jalview.schemes.GraduatedColor) colour)
354 .setColourByLabel(labelCol);
355 ((jalview.schemes.GraduatedColor) colour)
356 .setAutoScaled(abso == null);
357 // add in any additional parameters
358 String ttype = null, tval = null;
359 if (gcol.hasMoreTokens())
361 // threshold type and possibly a threshold value
362 ttype = gcol.nextToken();
363 if (ttype.toLowerCase().startsWith("below"))
365 ((jalview.schemes.GraduatedColor) colour)
366 .setThreshType(AnnotationColourGradient.BELOW_THRESHOLD);
368 else if (ttype.toLowerCase().startsWith("above"))
370 ((jalview.schemes.GraduatedColor) colour)
371 .setThreshType(AnnotationColourGradient.ABOVE_THRESHOLD);
375 ((jalview.schemes.GraduatedColor) colour)
376 .setThreshType(AnnotationColourGradient.NO_THRESHOLD);
377 if (!ttype.toLowerCase().startsWith("no"))
380 .println("Ignoring unrecognised threshold type : "
385 if (((GraduatedColor) colour).getThreshType() != AnnotationColourGradient.NO_THRESHOLD)
390 tval = gcol.nextToken();
391 ((jalview.schemes.GraduatedColor) colour)
392 .setThresh(new Float(tval).floatValue());
393 } catch (Exception e)
396 .println("Couldn't parse threshold value as a float: ("
401 // parse the thresh-is-min token ?
402 if (gcol.hasMoreTokens())
405 .println("Ignoring additional tokens in parameters in graduated colour specification\n");
406 while (gcol.hasMoreTokens())
408 System.err.println("|" + gcol.nextToken());
410 System.err.println("\n");
416 UserColourScheme ucs = new UserColourScheme(colscheme);
417 colour = ucs.findColour('A');
421 colours.put(type, colour);
423 if (st.hasMoreElements())
425 String link = st.nextToken();
426 typeLink.put(type, link);
427 if (featureLink == null)
429 featureLink = new Hashtable();
431 featureLink.put(type, link);
437 while (st.hasMoreElements())
442 // Still possible this is an old Jalview file,
443 // which does not have type colours at the beginning
444 seqId = token = st.nextToken();
445 seq = findName(align, seqId, relaxedIdmatching);
448 desc = st.nextToken();
450 if (doGffSource && desc.indexOf(' ') == -1)
452 // could also be a source term rather than description line
453 group = new String(desc);
455 type = st.nextToken();
458 String stt = st.nextToken();
459 if (stt.length() == 0 || stt.equals("-"))
465 start = Integer.parseInt(stt);
467 } catch (NumberFormatException ex)
473 String stt = st.nextToken();
474 if (stt.length() == 0 || stt.equals("-"))
480 end = Integer.parseInt(stt);
482 } catch (NumberFormatException ex)
486 // TODO: decide if non positional feature assertion for input data
487 // where end==0 is generally valid
490 // treat as non-positional feature, regardless.
495 score = new Float(st.nextToken()).floatValue();
496 } catch (NumberFormatException ex)
501 sf = new SequenceFeature(type, desc, start, end, score, group);
505 sf.setValue("STRAND", st.nextToken());
506 sf.setValue("FRAME", st.nextToken());
507 } catch (Exception ex)
511 if (st.hasMoreTokens())
513 StringBuffer attributes = new StringBuffer();
514 while (st.hasMoreTokens())
516 attributes.append("\t" + st.nextElement());
518 // TODO validate and split GFF2 attributes field ? parse out
519 // ([A-Za-z][A-Za-z0-9_]*) <value> ; and add as
520 // sf.setValue(attrib, val);
521 sf.setValue("ATTRIBUTES", attributes.toString());
524 seq.addSequenceFeature(sf);
525 while ((seq = align.findName(seq, seqId, true)) != null)
527 seq.addSequenceFeature(new SequenceFeature(sf));
533 if (GFFFile && seq == null)
539 desc = st.nextToken();
541 if (!st.hasMoreTokens())
544 .println("DEBUG: Run out of tokens when trying to identify the destination for the feature.. giving up.");
545 // in all probability, this isn't a file we understand, so bail
550 token = st.nextToken();
552 if (!token.equals("ID_NOT_SPECIFIED"))
554 seq = findName(align, seqId = token, relaxedIdmatching);
562 index = Integer.parseInt(st.nextToken());
563 seq = align.getSequenceAt(index);
564 } catch (NumberFormatException ex)
572 System.out.println("Sequence not found: " + line);
576 start = Integer.parseInt(st.nextToken());
577 end = Integer.parseInt(st.nextToken());
579 type = st.nextToken();
581 if (!colours.containsKey(type))
583 // Probably the old style groups file
584 UserColourScheme ucs = new UserColourScheme(type);
585 colours.put(type, ucs.findColour('A'));
587 sf = new SequenceFeature(type, desc, "", start, end, featureGroup);
588 if (st.hasMoreTokens())
592 score = new Float(st.nextToken()).floatValue();
593 // update colourgradient bounds if allowed to
594 } catch (NumberFormatException ex)
600 if (groupLink != null && removeHTML)
602 sf.addLink(groupLink);
603 sf.description += "%LINK%";
605 if (typeLink.containsKey(type) && removeHTML)
607 sf.addLink(typeLink.get(type).toString());
608 sf.description += "%LINK%";
611 parseDescriptionHTML(sf, removeHTML);
613 seq.addSequenceFeature(sf);
616 && (seq = align.findName(seq, seqId, false)) != null)
618 seq.addSequenceFeature(new SequenceFeature(sf));
620 // If we got here, its not a GFFFile
625 } catch (Exception ex)
627 System.out.println("Error parsing feature file: " + ex + "\n" + line);
628 ex.printStackTrace(System.err);
636 private AlignmentI lastmatchedAl = null;
638 private SequenceIdMatcher matcher = null;
641 * clear any temporary handles used to speed up ID matching
643 private void resetMatcher()
645 lastmatchedAl = null;
649 private SequenceI findName(AlignmentI align, String seqId,
650 boolean relaxedIdMatching)
652 SequenceI match = null;
653 if (relaxedIdMatching)
655 if (lastmatchedAl != align)
657 matcher = new SequenceIdMatcher(
658 (lastmatchedAl = align).getSequencesArray());
660 match = matcher.findIdMatch(seqId);
664 match = align.findName(seqId, true);
669 public void parseDescriptionHTML(SequenceFeature sf, boolean removeHTML)
671 if (sf.getDescription() == null)
675 jalview.util.ParseHtmlBodyAndLinks parsed = new jalview.util.ParseHtmlBodyAndLinks(
676 sf.getDescription(), removeHTML, newline);
678 sf.description = (removeHTML) ? parsed.getNonHtmlContent()
680 for (String link : parsed.getLinks())
688 * generate a features file for seqs includes non-pos features by default.
691 * source of sequence features
693 * hash of feature types and colours
694 * @return features file contents
696 public String printJalviewFormat(SequenceI[] seqs, Map<String,Object> visible)
698 return printJalviewFormat(seqs, visible, true, true);
702 * generate a features file for seqs with colours from visible (if any)
707 * hash of Colours for each feature type
709 * when true only feature types in 'visible' will be output
711 * indicates if non-positional features should be output (regardless
713 * @return features file contents
715 public String printJalviewFormat(SequenceI[] seqs, Map visible,
716 boolean visOnly, boolean nonpos)
718 StringBuffer out = new StringBuffer();
719 SequenceFeature[] next;
720 boolean featuresGen = false;
721 if (visOnly && !nonpos && (visible == null || visible.size() < 1))
723 // no point continuing.
724 return "No Features Visible";
727 if (visible != null && visOnly)
729 // write feature colours only if we're given them and we are generating
731 // TODO: decide if feature links should also be written here ?
732 Iterator en = visible.keySet().iterator();
736 type = en.next().toString();
738 if (visible.get(type) instanceof GraduatedColor)
740 GraduatedColor gc = (GraduatedColor) visible.get(type);
741 color = (gc.isColourByLabel() ? "label|" : "")
742 + Format.getHexString(gc.getMinColor()) + "|"
743 + Format.getHexString(gc.getMaxColor())
744 + (gc.isAutoScale() ? "|" : "|abso|") + gc.getMin() + "|"
746 if (gc.getThreshType() != AnnotationColourGradient.NO_THRESHOLD)
748 if (gc.getThreshType() == AnnotationColourGradient.BELOW_THRESHOLD)
754 if (gc.getThreshType() != AnnotationColourGradient.ABOVE_THRESHOLD)
756 System.err.println("WARNING: Unsupported threshold type ("
757 + gc.getThreshType() + ") : Assuming 'above'");
762 color += "|" + gc.getThresh();
769 else if (visible.get(type) instanceof java.awt.Color)
771 color = Format.getHexString((java.awt.Color) visible.get(type));
775 // legacy support for integer objects containing colour triplet values
776 color = Format.getHexString(new java.awt.Color(Integer
777 .parseInt(visible.get(type).toString())));
785 // Work out which groups are both present and visible
786 Vector groups = new Vector();
788 boolean isnonpos = false;
790 for (int i = 0; i < seqs.length; i++)
792 next = seqs[i].getSequenceFeatures();
795 for (int j = 0; j < next.length; j++)
797 isnonpos = next[j].begin == 0 && next[j].end == 0;
798 if ((!nonpos && isnonpos)
799 || (!isnonpos && visOnly && !visible
800 .containsKey(next[j].type)))
805 if (next[j].featureGroup != null
806 && !groups.contains(next[j].featureGroup))
808 groups.addElement(next[j].featureGroup);
818 if (groups.size() > 0 && groupIndex < groups.size())
820 group = groups.elementAt(groupIndex).toString();
822 out.append("STARTGROUP\t");
831 for (int i = 0; i < seqs.length; i++)
833 next = seqs[i].getSequenceFeatures();
836 for (int j = 0; j < next.length; j++)
838 isnonpos = next[j].begin == 0 && next[j].end == 0;
839 if ((!nonpos && isnonpos)
840 || (!isnonpos && visOnly && !visible
841 .containsKey(next[j].type)))
843 // skip if feature is nonpos and we ignore them or if we only
844 // output visible and it isn't non-pos and it's not visible
849 && (next[j].featureGroup == null || !next[j].featureGroup
855 if (group == null && next[j].featureGroup != null)
859 // we have features to output
861 if (next[j].description == null
862 || next[j].description.equals(""))
864 out.append(next[j].type + "\t");
868 if (next[j].links != null
869 && next[j].getDescription().indexOf("<html>") == -1)
871 out.append("<html>");
874 out.append(next[j].description + " ");
875 if (next[j].links != null)
877 for (int l = 0; l < next[j].links.size(); l++)
879 String label = next[j].links.elementAt(l).toString();
880 String href = label.substring(label.indexOf("|") + 1);
881 label = label.substring(0, label.indexOf("|"));
883 if (next[j].description.indexOf(href) == -1)
885 out.append("<a href=\"" + href + "\">" + label + "</a>");
889 if (next[j].getDescription().indexOf("</html>") == -1)
891 out.append("</html>");
897 out.append(seqs[i].getName());
898 out.append("\t-1\t");
899 out.append(next[j].begin);
901 out.append(next[j].end);
903 out.append(next[j].type);
904 if (next[j].score != Float.NaN)
907 out.append(next[j].score);
916 out.append("ENDGROUP\t");
926 } while (groupIndex < groups.size() + 1);
930 return "No Features Visible";
933 return out.toString();
937 * generate a gff file for sequence features includes non-pos features by
944 public String printGFFFormat(SequenceI[] seqs, Map<String,Object> visible)
946 return printGFFFormat(seqs, visible, true, true);
949 public String printGFFFormat(SequenceI[] seqs, Map<String,Object> visible,
950 boolean visOnly, boolean nonpos)
952 StringBuffer out = new StringBuffer();
953 SequenceFeature[] next;
956 for (int i = 0; i < seqs.length; i++)
958 if (seqs[i].getSequenceFeatures() != null)
960 next = seqs[i].getSequenceFeatures();
961 for (int j = 0; j < next.length; j++)
963 isnonpos = next[j].begin == 0 && next[j].end == 0;
964 if ((!nonpos && isnonpos)
965 || (!isnonpos && visOnly && !visible
966 .containsKey(next[j].type)))
971 source = next[j].featureGroup;
974 source = next[j].getDescription();
977 out.append(seqs[i].getName());
981 out.append(next[j].type);
983 out.append(next[j].begin);
985 out.append(next[j].end);
987 out.append(next[j].score);
990 if (next[j].getValue("STRAND") != null)
992 out.append(next[j].getValue("STRAND"));
1000 if (next[j].getValue("FRAME") != null)
1002 out.append(next[j].getValue("FRAME"));
1008 // TODO: verify/check GFF - should there be a /t here before attribute
1011 if (next[j].getValue("ATTRIBUTES") != null)
1013 out.append(next[j].getValue("ATTRIBUTES"));
1016 out.append(newline);
1022 return out.toString();
1026 * this is only for the benefit of object polymorphism - method does nothing.
1034 * this is only for the benefit of object polymorphism - method does nothing.
1036 * @return error message
1038 public String print()
1040 return "USE printGFFFormat() or printJalviewFormat()";