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.datamodel.Sequence;
24 import jalview.datamodel.SequenceI;
26 import java.util.Hashtable;
28 public class GroupUrlLink
30 public class UrlStringTooLongException extends Exception
32 public UrlStringTooLongException(int lng)
39 public String toString()
41 return "Generated url is estimated to be too long (" + urlLength
47 * Helper class based on the UrlLink class which enables URLs to be
48 * constructed from sequences or IDs associated with a group of sequences. URL
49 * definitions consist of a pipe separated string containing a <label>|<url
50 * construct>|<separator character>[|<sequence separator character>]. The url
51 * construct includes regex qualified tokens which are replaced with seuqence
52 * IDs ($SEQUENCE_IDS$) and/or seuqence regions ($SEQUENCES$) that are
53 * extracted from the group. See <code>UrlLink</code> for more information
54 * about the approach, and the original implementation. Documentation to come.
55 * Note - groupUrls can be very big!
57 private String url_prefix, target, label;
60 * these are all filled in order of the occurence of each token in the url
63 private String url_suffix[], separators[], regexReplace[];
65 private String invalidMessage = null;
68 * tokens that can be replaced in the URL.
70 private static String[] tokens;
73 * position of each token (which can appear once only) in the url
78 * contains tokens in the order they appear in the URL template.
80 private String[] mtch;
85 tokens = new String[] { "SEQUENCEIDS", "SEQUENCES", "DATASETID" };
90 * test for GroupURLType bitfield (with default tokens)
92 public static final int SEQUENCEIDS = 1;
95 * test for GroupURLType bitfield (with default tokens)
97 public static final int SEQUENCES = 2;
100 * test for GroupURLType bitfield (with default tokens)
102 public static final int DATASETID = 4;
104 // private int idseg = -1, seqseg = -1;
107 * parse the given linkString of the form '<label>|<url>|separator
108 * char[|optional sequence separator char]' into parts. url may contain a
109 * string $SEQUENCEIDS<=optional regex=>$ where <=optional regex=> must be of
110 * the form =/<perl style regex>/=$ or $SEQUENCES<=optional regex=>$ or
111 * $SEQUENCES<=optional regex=>$.
115 public GroupUrlLink(String link)
117 int sep = link.indexOf("|");
118 segs = new int[tokens.length];
120 for (int i = 0; i < segs.length; i++)
122 if ((segs[i] = link.indexOf("$" + tokens[i])) > -1)
127 // expect at least one token
130 invalidMessage = "Group URL string must contain at least one of ";
131 for (int i = 0; i < segs.length; i++)
133 invalidMessage += " '$" + tokens[i] + "[=/regex=/]$'";
138 int[] ptok = new int[ntoks + 1];
139 String[] tmtch = new String[ntoks + 1];
140 mtch = new String[ntoks];
141 for (int i = 0, t = 0; i < segs.length; i++)
146 tmtch[t++] = tokens[i];
149 ptok[ntoks] = link.length();
150 tmtch[ntoks] = "$$$$$$$$$";
151 jalview.util.QuickSort.sort(ptok, tmtch);
152 for (int i = 0; i < ntoks; i++)
154 mtch[i] = tmtch[i]; // TODO: check order is ascending
157 * replaces the specific code below {}; if (psqids > -1 && pseqs > -1) { if
158 * (psqids > pseqs) { idseg = 1; seqseg = 0;
160 * ptok = new int[] { pseqs, psqids, link.length() }; mtch = new String[] {
161 * "$SEQUENCES", "$SEQUENCEIDS" }; } else { idseg = 0; seqseg = 1; ptok =
162 * new int[] { psqids, pseqs, link.length() }; mtch = new String[] {
163 * "$SEQUENCEIDS", "$SEQUENCES" }; } } else { if (psqids != -1) { idseg = 0;
164 * ptok = new int[] { psqids, link.length() }; mtch = new String[] {
165 * "$SEQUENCEIDS" }; } else { seqseg = 0; ptok = new int[] { pseqs,
166 * link.length() }; mtch = new String[] { "$SEQUENCES" }; } }
170 // first get the label and target part before the first |
174 p = link.indexOf("|", sep + 1);
175 } while (p > sep && p < ptok[0]);
176 // Assuming that the URL itself does not contain any '|' symbols
177 // sep now contains last pipe symbol position prior to any regex symbols
178 label = link.substring(0, sep);
179 if (label.indexOf("|") > -1)
181 // | terminated database name / www target at start of Label
182 target = label.substring(0, label.indexOf("|"));
184 else if (label.indexOf(" ") > 2)
186 // space separated Label - matches database name
187 target = label.substring(0, label.indexOf(" "));
193 // Now Parse URL : Whole URL string first
194 url_prefix = link.substring(sep + 1, ptok[0]);
195 url_suffix = new String[mtch.length];
196 regexReplace = new String[mtch.length];
197 // and loop through tokens
198 for (int pass = 0; pass < mtch.length; pass++)
200 int mlength = 3 + mtch[pass].length();
201 if (link.indexOf("$" + mtch[pass] + "=/") == ptok[pass] && (p = link
202 .indexOf("/=$", ptok[pass] + mlength)) > ptok[pass] + mlength)
204 // Extract Regex and suffix
205 if (ptok[pass + 1] < p + 3)
207 // tokens are not allowed inside other tokens - e.g. inserting a
208 // $sequences$ into the regex match for the sequenceid
209 invalidMessage = "Token regexes cannot contain other regexes (did you terminate the $"
210 + mtch[pass] + " regex with a '/=$' ?";
213 url_suffix[pass] = link.substring(p + 3, ptok[pass + 1]);
214 regexReplace[pass] = link.substring(ptok[pass] + mlength, p);
217 com.stevesoft.pat.Regex rg = com.stevesoft.pat.Regex
218 .perlCode("/" + regexReplace[pass] + "/");
221 invalidMessage = "Invalid Regular Expression : '"
222 + regexReplace[pass] + "'\n";
224 } catch (Exception e)
226 invalidMessage = "Invalid Regular Expression : '"
227 + regexReplace[pass] + "'\n";
232 regexReplace[pass] = null;
233 // verify format is really correct.
234 if ((p = link.indexOf("$" + mtch[pass] + "$")) == ptok[pass])
236 url_suffix[pass] = link.substring(p + mtch[pass].length() + 2,
241 invalidMessage = "Warning: invalid regex structure (after '"
242 + mtch[0] + "') for URL link : " + link;
247 separators = new String[url_suffix.length];
248 String suffices = url_suffix[url_suffix.length - 1], lastsep = ",";
249 // have a look in the last suffix for any more separators.
250 while ((p = suffices.indexOf('|')) > -1)
252 separators[pass] = suffices.substring(p + 1);
255 // trim the original suffix string
256 url_suffix[url_suffix.length - 1] = suffices.substring(0, p);
260 lastsep = (separators[pass - 1] = separators[pass - 1].substring(0,
263 suffices = separators[pass];
268 lastsep = separators[pass - 1];
270 // last separator is always used for all the remaining separators
271 while (pass < separators.length)
273 separators[pass++] = lastsep;
278 * @return the url_suffix
280 public String getUrl_suffix()
282 return url_suffix[url_suffix.length - 1];
286 * @return the url_prefix
288 public String getUrl_prefix()
296 public String getTarget()
304 public String getLabel()
310 * @return the sequence ID regexReplace
312 public String getIDRegexReplace()
314 return _replaceFor(tokens[0]);
317 private String _replaceFor(String token)
319 for (int i = 0; i < mtch.length; i++)
320 if (segs[i] > -1 && mtch[i].equals(token))
322 return regexReplace[i];
328 * @return the sequence ID regexReplace
330 public String getSeqRegexReplace()
332 return _replaceFor(tokens[1]);
336 * @return the invalidMessage
338 public String getInvalidMessage()
340 return invalidMessage;
344 * Check if URL string was parsed properly.
346 * @return boolean - if false then <code>getInvalidMessage</code> returns an
349 public boolean isValid()
351 return invalidMessage == null;
355 * return one or more URL strings by applying regex to the given idstring
358 * array of id strings to pass to service
360 * array of seq strings to pass to service
361 * @param onlyIfMatches
362 * - when true url strings are only made if regex is defined and
363 * matches for all qualified tokens in groupURL - TODO: consider if
364 * onlyIfMatches is really a useful parameter!
365 * @return null or Object[] { int[] { number of seqs substituted},boolean[] {
366 * which seqs were substituted }, StringBuffer[] { substituted lists
367 * for each token }, String[] { url } }
368 * @throws UrlStringTooLongException
370 public Object[] makeUrls(String[] idstrings, String[] seqstrings,
371 String dsstring, boolean onlyIfMatches)
372 throws UrlStringTooLongException
374 Hashtable rstrings = replacementArgs(idstrings, seqstrings, dsstring);
375 return makeUrls(rstrings, onlyIfMatches);
379 * gathers input into a hashtable
386 private Hashtable replacementArgs(String[] idstrings, String[] seqstrings,
389 Hashtable rstrings = new Hashtable();
390 rstrings.put(tokens[0], idstrings);
391 rstrings.put(tokens[1], seqstrings);
392 rstrings.put(tokens[2], new String[] { dsstring });
393 if (idstrings.length != seqstrings.length)
395 throw new Error(MessageManager.getString(
396 "error.idstring_seqstrings_only_one_per_sequence"));
401 public Object[] makeUrls(Hashtable repstrings, boolean onlyIfMatches)
402 throws UrlStringTooLongException
404 return makeUrlsIf(true, repstrings, onlyIfMatches);
413 * @return URL stub objects ready to pass to constructFrom
414 * @throws UrlStringTooLongException
416 public Object[] makeUrlStubs(String[] ids, String[] seqstr, String string,
417 boolean b) throws UrlStringTooLongException
419 Hashtable rstrings = replacementArgs(ids, seqstr, string);
420 Object[] stubs = makeUrlsIf(false, rstrings, b);
423 return new Object[] { stubs[0], stubs[1], rstrings,
427 // TODO Auto-generated method stub
432 * generate the URL for the given URL stub object array returned from
436 * @return URL string.
437 * @throws UrlStringTooLongException
439 public String constructFrom(Object[] stubs)
440 throws UrlStringTooLongException
442 Object[] results = makeUrlsIf(true, (Hashtable) stubs[2],
443 ((boolean[]) stubs[3])[0]);
444 return ((String[]) results[3])[0];
448 * conditionally generate urls or stubs for a given input.
450 * @param createFullUrl
451 * set to false if you only want to test if URLs would be generated.
453 * @param onlyIfMatches
454 * @return null if no url is generated. Object[] { int[] { number of matches
455 * seqs }, boolean[] { which matched }, (if createFullUrl also has
456 * StringBuffer[] { segment generated from inputs that is used in URL
457 * }, String[] { url })}
458 * @throws UrlStringTooLongException
460 protected Object[] makeUrlsIf(boolean createFullUrl, Hashtable repstrings,
461 boolean onlyIfMatches) throws UrlStringTooLongException
465 // prepare string arrays in correct order to be assembled into URL input
466 String[][] idseq = new String[mtch.length][]; // indexed by pass
467 int mins = 0, maxs = 0; // allowed two values, 1 or n-sequences.
468 for (int i = 0; i < mtch.length; i++)
470 idseq[i] = (String[]) repstrings.get(mtch[i]);
471 if (idseq[i].length >= 1)
473 if (mins == 0 && idseq[i].length == 1)
479 maxs = idseq[i].length;
483 if (maxs != idseq[i].length)
485 throw new Error(MessageManager.formatMessage(
486 "error.cannot_have_mixed_length_replacement_vectors",
489 Integer.valueOf(idseq[i].length).toString(),
490 Integer.valueOf(maxs).toString() }));
496 throw new Error(MessageManager.getString(
497 "error.cannot_have_zero_length_vector_replacement_strings"));
500 // iterate through input, collating segments to be inserted into url
501 StringBuffer matched[] = new StringBuffer[idseq.length];
502 // and precompile regexes
503 com.stevesoft.pat.Regex[] rgxs = new com.stevesoft.pat.Regex[matched.length];
504 for (pass = 0; pass < matched.length; pass++)
506 matched[pass] = new StringBuffer();
507 if (regexReplace[pass] != null)
509 rgxs[pass] = com.stevesoft.pat.Regex
510 .perlCode("/" + regexReplace[pass] + "/");
517 // tot up the invariant lengths for this url
518 int urllength = url_prefix.length();
519 for (pass = 0; pass < matched.length; pass++)
521 urllength += url_suffix[pass].length();
524 // flags to record which of the input sequences were actually used to
527 boolean[] thismatched = new boolean[maxs];
529 for (int sq = 0; sq < maxs; sq++)
531 // initialise flag for match
532 thismatched[sq] = false;
533 StringBuffer[] thematches = new StringBuffer[rgxs.length];
534 for (pass = 0; pass < rgxs.length; pass++)
536 thematches[pass] = new StringBuffer(); // initialise - in case there are
539 // if a regex is provided, then it must match for all sequences in all
540 // tokens for it to be considered.
541 if (idseq[pass].length <= sq)
543 // no more replacement strings to try for this token
546 if (rgxs[pass] != null)
548 com.stevesoft.pat.Regex rg = rgxs[pass];
550 // concatenate all matches of re in the given string!
551 while (rg.searchFrom(idseq[pass][sq], rematchat))
553 rematchat = rg.matchedTo();
554 thismatched[sq] |= true;
555 urllength += rg.charsMatched(); // count length
556 if ((urllength + 32) > Platform.getMaxCommandLineLength())
558 throw new UrlStringTooLongException(urllength);
563 continue; // don't bother making the URL replacement text.
565 // do we take the cartesian products of the substituents ?
566 int ns = rg.numSubs();
569 thematches[pass].append(rg.stringMatched());// take whole regex
572 * else if (ns==1) { // take only subgroup match return new String[]
573 * { rg.stringMatched(1), url_prefix+rg.stringMatched(1)+url_suffix
576 // deal with multiple submatch case - for moment we do the simplest
577 // - concatenate the matched regions, instead of creating a complete
578 // list for each alternate match over all sequences.
579 // TODO: specify a 'replace pattern' - next refinement
584 * for (int s = 0; s <= rg.numSubs(); s++) {
585 * System.err.println("Sub " + s + " : " + rg.matchedFrom(s) +
586 * " : " + rg.matchedTo(s) + " : '" + rg.stringMatched(s) + "'");
589 // try to collate subgroup matches
590 StringBuffer subs = new StringBuffer();
591 // have to loop through submatches, collating them at top level
596 if (s + 1 <= ns && rg.matchedTo(s) > -1
597 && rg.matchedTo(s + 1) > -1
598 && rg.matchedTo(s + 1) < rg.matchedTo(s))
600 // s is top level submatch. search for submatches enclosed by
603 StringBuffer rmtch = new StringBuffer();
604 while (r <= ns && rg.matchedTo(r) <= rg.matchedTo(s))
606 if (rg.matchedFrom(r) > -1)
608 rmtch.append(rg.stringMatched(r));
612 if (rmtch.length() > 0)
614 subs.append(rmtch); // simply concatenate
620 if (rg.matchedFrom(s) > -1)
622 subs.append(rg.stringMatched(s)); // concatenate
627 thematches[pass].append(subs);
633 // are we only supposed to take regex matches ?
636 thismatched[sq] |= true;
637 urllength += idseq[pass][sq].length(); // tot up length
640 thematches[pass] = new StringBuffer(idseq[pass][sq]); // take
643 // regardless - probably not a
646 * TODO: do some boilerplate trimming of the fields to make them
647 * sensible e.g. trim off any 'prefix' in the id string (see
648 * UrlLink for the below) - pre 2.4 Jalview behaviour if
649 * (idstring.indexOf("|") > -1) { idstring =
650 * idstring.substring(idstring.lastIndexOf("|") + 1); }
658 // check if we are going to add this sequence's results ? all token
659 // replacements must be valid for this to happen!
660 // (including single value replacements - eg. dataset name)
665 for (pass = 0; pass < matched.length; pass++)
667 if (idseq[pass].length > 1 && matched[pass].length() > 0)
669 matched[pass].append(separators[pass]);
671 matched[pass].append(thematches[pass]);
677 // finally, if any sequences matched, then form the URL and return
678 if (seqsmatched == 0 || (createFullUrl && matched[0].length() == 0))
680 // no matches - no url generated
683 // check if we are beyond the feasible command line string limit for this
685 if ((urllength + 32) > Platform.getMaxCommandLineLength())
687 throw new UrlStringTooLongException(urllength);
691 // just return the essential info about what the URL would be generated
693 return new Object[] { new int[] { seqsmatched }, thismatched };
695 // otherwise, create the URL completely.
697 StringBuffer submiturl = new StringBuffer();
698 submiturl.append(url_prefix);
699 for (pass = 0; pass < matched.length; pass++)
701 submiturl.append(matched[pass]);
702 if (url_suffix[pass] != null)
704 submiturl.append(url_suffix[pass]);
708 return new Object[] { new int[] { seqsmatched }, thismatched, matched,
710 { submiturl.toString() } };
716 * @return number of distinct sequence (id or seuqence) replacements predicted
719 public int getNumberInvolved(Object[] urlstub)
721 return ((int[]) urlstub[0])[0]; // returns seqsmatched from
722 // makeUrlsIf(false,...)
726 * get token types present in this url as a bitfield indicating presence of
727 * each token from tokens (LSB->MSB).
729 * @return groupURL class as integer
731 public int getGroupURLType()
734 for (int pass = 0; pass < tokens.length; pass++)
736 for (int i = 0; i < mtch.length; i++)
738 if (mtch[i].equals(tokens[pass]))
747 public String toString()
749 StringBuffer result = new StringBuffer();
750 result.append(label + "|" + url_prefix);
752 for (r = 0; r < url_suffix.length; r++)
755 result.append(mtch[r]);
756 if (regexReplace[r] != null)
759 result.append(regexReplace[r]);
763 result.append(url_suffix[r]);
765 for (r = 0; r < separators.length; r++)
768 result.append(separators[r]);
770 return result.toString();
774 * report stats about the generated url string given an input set
780 private static void testUrls(GroupUrlLink ul, String[][] idstring,
786 System.out.println("Created NO urls.");
790 System.out.println("Created a url from " + ((int[]) url[0])[0]
791 + "out of " + idstring[0].length + " sequences.");
792 System.out.println("Sequences that did not match:");
793 for (int sq = 0; sq < idstring[0].length; sq++)
795 if (!((boolean[]) url[1])[sq])
797 System.out.println("Seq " + sq + ": " + idstring[0][sq] + "\t: "
801 System.out.println("Sequences that DID match:");
802 for (int sq = 0; sq < idstring[0].length; sq++)
804 if (((boolean[]) url[1])[sq])
806 System.out.println("Seq " + sq + ": " + idstring[0][sq] + "\t: "
810 System.out.println("The generated URL:");
811 System.out.println(((String[]) url[3])[0]);
815 public static void main(String argv[])
817 // note - JAL-1383 - these services are all dead
818 String[] links = new String[] {
819 "EnVision2|IDS|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=Enfin%20Default%20Workflow&datasetName=linkInDatasetFromJalview&input=$SEQUENCEIDS$&inputType=0|,",
820 "EnVision2|Seqs|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=Enfin%20Default%20Workflow&datasetName=linkInDatasetFromJalview&input=$SEQUENCES$&inputType=1|,",
821 "EnVision2|IDS|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=Enfin%20Default%20Workflow&datasetName=$DATASETID$&input=$SEQUENCEIDS$&inputType=0|,",
822 "EnVision2|Seqs|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=Enfin%20Default%20Workflow&datasetName=$DATASETID$&input=$SEQUENCES$&inputType=1|,",
823 "EnVision2|IDS|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=$SEQUENCEIDS$&datasetName=linkInDatasetFromJalview&input=$SEQUENCEIDS$&inputType=0|,",
824 "EnVision2|Seqs|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=$SEQUENCEIDS$&datasetName=$DATASETID$&input=$SEQUENCES$&inputType=1|,",
825 "EnVision2 Seqs|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=Default&datasetName=JalviewSeqs$DATASETID$&input=$SEQUENCES=/([a-zA-Z]+)/=$&inputType=1|,",
826 "EnVision2 Seqs|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=Default&datasetName=JalviewSeqs$DATASETID$&input=$SEQUENCES=/[A-Za-z]+/=$&inputType=1|,"
828 * http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?input=P38389,P38398
829 * &inputType=0&workflow=Enfin%20Default%20Workflow&datasetName=
830 * linkInDatasetFromPRIDE
834 SequenceI[] seqs = new SequenceI[] {
835 new Sequence("StupidLabel:gi|9234|pdb|102L|A",
836 "asdiasdpasdpadpwpadasdpaspdw"), };
837 String[][] seqsandids = formStrings(seqs);
838 for (int i = 0; i < links.length; i++)
840 GroupUrlLink ul = new GroupUrlLink(links[i]);
843 System.out.println("\n\n\n");
845 "Link " + i + " " + links[i] + " : " + ul.toString());
846 System.out.println(" pref : " + ul.getUrl_prefix());
847 System.out.println(" IdReplace : " + ul.getIDRegexReplace());
848 System.out.println(" SeqReplace : " + ul.getSeqRegexReplace());
849 System.out.println(" Suffixes : " + ul.getUrl_suffix());
852 "<insert input id and sequence strings here> Without onlyIfMatches:");
856 urls = ul.makeUrls(seqsandids[0], seqsandids[1], "mydataset",
858 testUrls(ul, seqsandids, urls);
859 } catch (UrlStringTooLongException ex)
861 System.out.println("too long exception " + ex);
864 "<insert input id and sequence strings here> With onlyIfMatches set:");
867 urls = ul.makeUrls(seqsandids[0], seqsandids[1], "mydataset",
869 testUrls(ul, seqsandids, urls);
870 } catch (UrlStringTooLongException ex)
872 System.out.println("too long exception " + ex);
877 System.err.println("Invalid URLLink : " + links[i] + " : "
878 + ul.getInvalidMessage());
884 * covenience method to generate the id and sequence string vector from a set
885 * of seuqences using each sequence's getName() and getSequenceAsString()
889 * @return String[][] {{sequence ids},{sequence strings}}
891 public static String[][] formStrings(SequenceI[] seqs)
893 String[][] idset = new String[2][seqs.length];
894 for (int i = 0; i < seqs.length; i++)
896 idset[0][i] = seqs[i].getName();
897 idset[1][i] = seqs[i].getSequenceAsString();
902 public void setLabel(String newlabel)
904 this.label = newlabel;