+ String canonical = canonicalSourceNameLookup
+ .get(source.toLowerCase(Locale.ROOT));
+ return canonical == null ? source : canonical;
+ }
+
+ /**
+ * Returns a (possibly empty) list of those references that match the given
+ * entry. Currently uses a comparator which matches if
+ * <ul>
+ * <li>database sources are the same</li>
+ * <li>accession ids are the same</li>
+ * <li>both have no mapping, or the mappings are the same</li>
+ * </ul>
+ *
+ * @param ref
+ * Set of references to search
+ * @param entry
+ * pattern to match
+ * @param mode
+ * SEARCH_MODE_FULL for all; SEARCH_MODE_NO_MAP_NO_VERSION optional
+ * @return
+ */
+ public static List<DBRefEntry> searchRefs(List<DBRefEntry> ref,
+ DBRefEntry entry, int mode)
+ {
+ return searchRefs(ref, entry,
+ matchDbAndIdAndEitherMapOrEquivalentMapList, mode);
+ }
+
+ /**
+ * Returns a list of those references that match the given accession id
+ * <ul>
+ * <li>database sources are the same</li>
+ * <li>accession ids are the same</li>
+ * <li>both have no mapping, or the mappings are the same</li>
+ * </ul>
+ *
+ * @param refs
+ * Set of references to search
+ * @param accId
+ * accession id to match
+ * @return
+ */
+ public static List<DBRefEntry> searchRefs(List<DBRefEntry> refs,
+ String accId)
+ {
+ List<DBRefEntry> rfs = new ArrayList<DBRefEntry>();
+ if (refs == null || accId == null)
+ {
+ return rfs;
+ }
+ for (int i = 0, n = refs.size(); i < n; i++)
+ {
+ DBRefEntry e = refs.get(i);
+ if (accId.equals(e.getAccessionId()))
+ {
+ rfs.add(e);
+ }
+ }
+ return rfs;
+ // return searchRefs(refs, new DBRefEntry("", "", accId), matchId,
+ // SEARCH_MODE_FULL);
+ }
+
+ /**
+ * Returns a (possibly empty) list of those references that match the given
+ * entry, according to the given comparator.
+ *
+ * @param refs
+ * an array of database references to search
+ * @param entry
+ * an entry to compare against
+ * @param comparator
+ * @param mode
+ * SEARCH_MODE_FULL for all; SEARCH_MODE_NO_MAP_NO_VERSION optional
+ * @return
+ */
+ static List<DBRefEntry> searchRefs(List<DBRefEntry> refs,
+ DBRefEntry entry, DbRefComp comparator, int mode)
+ {
+ List<DBRefEntry> rfs = new ArrayList<DBRefEntry>();
+ if (refs == null || entry == null)
+ {
+ return rfs;
+ }
+ for (int i = 0, n = refs.size(); i < n; i++)
+ {
+ DBRefEntry e = refs.get(i);
+ if (comparator.matches(entry, e, SEARCH_MODE_FULL))
+ {
+ rfs.add(e);
+ }
+ }
+ return rfs;
+ }
+
+ interface DbRefComp
+ {
+ default public boolean matches(DBRefEntry refa, DBRefEntry refb)
+ {
+ return matches(refa, refb, SEARCH_MODE_FULL);
+ };
+
+ public boolean matches(DBRefEntry refa, DBRefEntry refb, int mode);
+ }
+
+ /**
+ * match on all non-null fields in refa
+ */
+ // TODO unused - remove? would be broken by equating "" with null
+ public static DbRefComp matchNonNullonA = new DbRefComp()
+ {
+ @Override
+ public boolean matches(DBRefEntry refa, DBRefEntry refb, int mode)
+ {
+ if ((mode & DB_SOURCE) != 0 && (refa.getSource() == null
+ || DBRefUtils.getCanonicalName(refb.getSource()).equals(
+ DBRefUtils.getCanonicalName(refa.getSource()))))
+ {
+ if ((mode & DB_VERSION) != 0 && (refa.getVersion() == null
+ || refb.getVersion().equals(refa.getVersion())))
+ {
+ if ((mode & DB_ID) != 0 && (refa.getAccessionId() == null
+ || refb.getAccessionId().equals(refa.getAccessionId())))
+ {
+ if ((mode & DB_MAP) != 0
+ && (refa.getMap() == null || (refb.getMap() != null
+ && refb.getMap().equals(refa.getMap()))))
+ {
+ return true;
+ }
+ }
+ }
+ }
+ return false;
+ }
+ };
+
+ /**
+ * either field is null or field matches for all of source, version, accession
+ * id and map.
+ */
+ // TODO unused - remove?
+ public static DbRefComp matchEitherNonNull = new DbRefComp()
+ {
+ @Override
+ public boolean matches(DBRefEntry refa, DBRefEntry refb, int mode)
+ {
+ if (nullOrEqualSource(refa.getSource(), refb.getSource())
+ && nullOrEqual(refa.getVersion(), refb.getVersion())
+ && nullOrEqual(refa.getAccessionId(), refb.getAccessionId())
+ && nullOrEqual(refa.getMap(), refb.getMap()))
+ {
+ return true;
+ }
+ return false;
+ }
+
+ };
+
+ /**
+ * Parses a DBRefEntry and adds it to the sequence, also a PDBEntry if the
+ * database is PDB.
+ * <p>
+ * Used by file parsers to generate DBRefs from annotation within file (eg
+ * Stockholm)
+ *
+ * @param dbname
+ * @param version
+ * @param acn
+ * @param seq
+ * where to annotate with reference
+ * @return parsed version of entry that was added to seq (if any)
+ */
+ public static DBRefEntry parseToDbRef(SequenceI seq, String dbname,
+ String version, String acn)
+ {
+ DBRefEntry ref = null;
+ if (dbname != null)
+ {
+ String locsrc = DBRefUtils.getCanonicalName(dbname);
+ if (locsrc.equals(DBRefSource.PDB))
+ {
+ /*
+ * Check for PFAM style stockhom PDB accession id citation e.g.
+ * "1WRI A; 7-80;"
+ */
+ Regex r = new com.stevesoft.pat.Regex(
+ "([0-9][0-9A-Za-z]{3})\\s*(.?)\\s*;\\s*([0-9]+)-([0-9]+)");
+ if (r.search(acn.trim()))
+ {
+ String pdbid = r.stringMatched(1);
+ String chaincode = r.stringMatched(2);
+ if (chaincode == null)
+ {
+ chaincode = " ";
+ }
+ // String mapstart = r.stringMatched(3);
+ // String mapend = r.stringMatched(4);
+ if (chaincode.equals(" "))
+ {
+ chaincode = "_";
+ }
+ // construct pdb ref.
+ ref = new DBRefEntry(locsrc, version, pdbid + chaincode);
+ PDBEntry pdbr = new PDBEntry();
+ pdbr.setId(pdbid);
+ pdbr.setType(PDBEntry.Type.PDB);
+ pdbr.setChainCode(chaincode);
+ seq.addPDBId(pdbr);
+ }
+ else
+ {
+ System.err.println("Malformed PDB DR line:" + acn);
+ }
+ }
+ else
+ {
+ // default:
+ ref = new DBRefEntry(locsrc, version, acn.trim());
+ }
+ }
+ if (ref != null)
+ {
+ seq.addDBRef(ref);
+ }
+ return ref;
+ }
+
+ /**
+ * accession ID and DB must be identical. Version is ignored. Map is either
+ * not defined or is a match (or is compatible?)
+ */
+ // TODO unused - remove?
+ public static DbRefComp matchDbAndIdAndEitherMap = new DbRefComp()
+ {
+ @Override
+ public boolean matches(DBRefEntry refa, DBRefEntry refb, int mode)
+ {
+ if (refa.getSource() != null && refb.getSource() != null
+ && DBRefUtils.getCanonicalName(refb.getSource()).equals(
+ DBRefUtils.getCanonicalName(refa.getSource())))
+ {
+ // We dont care about version
+ if (refa.getAccessionId() != null && refb.getAccessionId() != null
+ // FIXME should be && not || here?
+ || refb.getAccessionId().equals(refa.getAccessionId()))
+ {
+ if ((refa.getMap() == null || refb.getMap() == null)
+ || (refa.getMap() != null && refb.getMap() != null
+ && refb.getMap().equals(refa.getMap())))
+ {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+ };