--- /dev/null
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer (Development Version 2.4.1)
+ * Copyright (C) 2009 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+package jalview.util;
+
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceI;
+
+import java.util.Hashtable;
+import java.util.Vector;
+
+public class GroupUrlLink
+{
+ /**
+ * Helper class based on the UrlLink class which enables URLs to be
+ * constructed from sequences or IDs associated with a group of sequences. URL
+ * definitions consist of a pipe separated string containing a <label>|<url
+ * construct>|<separator character>[|<sequence separator character>]. The url
+ * construct includes regex qualified tokens which are replaced with seuqence
+ * IDs ($SEQUENCE_IDS$) and/or seuqence regions ($SEQUENCES$) that are
+ * extracted from the group. See <code>UrlLink</code> for more information
+ * about the approach, and the original implementation.
+ *
+ */
+ private String url_prefix, target, label;
+
+ /**
+ * these are all filled in order of the occurence of each token in the url
+ * string template
+ */
+ private String url_suffix[], separators[], regexReplace[];
+
+ private String invalidMessage = null;
+
+ /**
+ * tokens that can be replaced in the URL.
+ */
+ private static String[] tokens;
+
+ /**
+ * position of each token (which can appear once only) in the url
+ */
+ private int[] segs;
+
+ /**
+ * contains tokens in the order they appear in the URL template.
+ */
+ private String[] mtch;
+ static
+ {
+ if (tokens == null)
+ {
+ tokens = new String[]
+ { "SEQUENCEIDS", "SEQUENCES", "DATASETID" };
+ }
+ }
+
+ // private int idseg = -1, seqseg = -1;
+
+ /**
+ * parse the given linkString of the form '<label>|<url>|separator
+ * char[|optional sequence separator char]' into parts. url may contain a
+ * string $SEQUENCEIDS<=optional regex=>$ where <=optional regex=> must be of
+ * the form =/<perl style regex>/=$ or $SEQUENCES<=optional regex=>$ or
+ * $SEQUENCES<=optional regex=>$.
+ *
+ * @param link
+ */
+ public GroupUrlLink(String link)
+ {
+ int sep = link.indexOf("|");
+ segs = new int[tokens.length];
+ int ntoks = 0;
+ for (int i = 0; i < segs.length; i++)
+ {
+ if ((segs[i] = link.indexOf("$" + tokens[i])) > -1)
+ {
+ ntoks++;
+ }
+ }
+ // expect at least one token
+ if (ntoks == 0)
+ {
+ invalidMessage = "Group URL string must contain at least one of ";
+ for (int i = 0; i < segs.length; i++)
+ {
+ invalidMessage += " '$" + tokens[i] + "[=/regex=/]$'";
+ }
+ return;
+ }
+
+ int[] ptok = new int[ntoks + 1];
+ String[] tmtch = new String[ntoks + 1];
+ mtch = new String[ntoks];
+ for (int i = 0, t = 0; i < segs.length; i++)
+ {
+ if (segs[i] > -1)
+ {
+ ptok[t] = segs[i];
+ tmtch[t++] = tokens[i];
+ }
+ }
+ ptok[ntoks] = link.length();
+ tmtch[ntoks] = "$$$$$$$$$";
+ jalview.util.QuickSort.sort(ptok, tmtch);
+ for (int i = 0; i < ntoks; i++)
+ {
+ mtch[i] = tmtch[i]; // TODO: check order is ascending
+ }
+ /*
+ * replaces the specific code below {}; if (psqids > -1 && pseqs > -1) { if
+ * (psqids > pseqs) { idseg = 1; seqseg = 0;
+ *
+ * ptok = new int[] { pseqs, psqids, link.length() }; mtch = new String[] {
+ * "$SEQUENCES", "$SEQUENCEIDS" }; } else { idseg = 0; seqseg = 1; ptok =
+ * new int[] { psqids, pseqs, link.length() }; mtch = new String[] {
+ * "$SEQUENCEIDS", "$SEQUENCES" }; } } else { if (psqids != -1) { idseg = 0;
+ * ptok = new int[] { psqids, link.length() }; mtch = new String[] {
+ * "$SEQUENCEIDS" }; } else { seqseg = 0; ptok = new int[] { pseqs,
+ * link.length() }; mtch = new String[] { "$SEQUENCES" }; } }
+ */
+
+ int p = sep;
+ // first get the label and target part before the first |
+ do
+ {
+ sep = p;
+ p = link.indexOf("|", sep + 1);
+ } while (p > sep && p < ptok[0]);
+ // Assuming that the URL itself does not contain any '|' symbols
+ // sep now contains last pipe symbol position prior to any regex symbols
+ label = link.substring(0, sep);
+ if (label.indexOf("|") > -1)
+ {
+ // | terminated database name / www target at start of Label
+ target = label.substring(0, label.indexOf("|"));
+ }
+ else if (label.indexOf(" ") > 2)
+ {
+ // space separated Label - matches database name
+ target = label.substring(0, label.indexOf(" "));
+ }
+ else
+ {
+ target = label;
+ }
+ // Now Parse URL : Whole URL string first
+ url_prefix = link.substring(sep + 1, ptok[0]);
+ url_suffix = new String[mtch.length];
+ regexReplace = new String[mtch.length];
+ // and loop through tokens
+ for (int pass = 0; pass < mtch.length; pass++)
+ {
+ int mlength = 3 + mtch[pass].length();
+ if (link.indexOf("$" + mtch[pass] + "=/") == ptok[pass]
+ && (p = link.indexOf("/=$", ptok[pass] + mlength)) > ptok[pass]
+ + mlength)
+ {
+ // Extract Regex and suffix
+ if (ptok[pass + 1] < p + 3)
+ {
+ // tokens are not allowed inside other tokens - e.g. inserting a
+ // $sequences$ into the regex match for the sequenceid
+ invalidMessage = "Token regexes cannot contain other regexes (did you terminate the $"
+ + mtch[pass] + " regex with a '/=$' ?";
+ return;
+ }
+ url_suffix[pass] = link.substring(p + 3, ptok[pass + 1]);
+ regexReplace[pass] = link.substring(ptok[pass] + mlength, p);
+ try
+ {
+ com.stevesoft.pat.Regex rg = com.stevesoft.pat.Regex.perlCode("/"
+ + regexReplace[pass] + "/");
+ if (rg == null)
+ {
+ invalidMessage = "Invalid Regular Expression : '"
+ + regexReplace[pass] + "'\n";
+ }
+ } catch (Exception e)
+ {
+ invalidMessage = "Invalid Regular Expression : '"
+ + regexReplace[pass] + "'\n";
+ }
+ }
+ else
+ {
+ regexReplace[pass] = null;
+ // verify format is really correct.
+ if ((p = link.indexOf("$" + mtch[pass] + "$")) == ptok[pass])
+ {
+ url_suffix[pass] = link.substring(p + mtch[pass].length() + 2,
+ ptok[pass + 1]);
+ }
+ else
+ {
+ invalidMessage = "Warning: invalid regex structure (after '"
+ + mtch[0] + "') for URL link : " + link;
+ }
+ }
+ }
+ int pass = 0;
+ separators = new String[url_suffix.length];
+ String suffices = url_suffix[url_suffix.length - 1], lastsep = ",";
+ // have a look in the last suffix for any more separators.
+ while ((p = suffices.indexOf('|')) > -1)
+ {
+ separators[pass] = suffices.substring(p + 1);
+ if (pass == 0)
+ {
+ // trim the original suffix string
+ url_suffix[url_suffix.length - 1] = suffices.substring(0, p);
+ }
+ else
+ {
+ lastsep = (separators[pass - 1] = separators[pass - 1].substring(0,
+ p));
+ }
+ suffices = separators[pass];
+ pass++;
+ }
+ if (pass > 0)
+ {
+ lastsep = separators[pass - 1];
+ }
+ // last separator is always used for all the remaining separators
+ while (pass < separators.length)
+ {
+ separators[pass++] = lastsep;
+ }
+ }
+
+ /**
+ * @return the url_suffix
+ */
+ public String getUrl_suffix()
+ {
+ return url_suffix[url_suffix.length - 1];
+ }
+
+ /**
+ * @return the url_prefix
+ */
+ public String getUrl_prefix()
+ {
+ return url_prefix;
+ }
+
+ /**
+ * @return the target
+ */
+ public String getTarget()
+ {
+ return target;
+ }
+
+ /**
+ * @return the label
+ */
+ public String getLabel()
+ {
+ return label;
+ }
+
+ /**
+ * @return the sequence ID regexReplace
+ */
+ public String getIDRegexReplace()
+ {
+ return _replaceFor(tokens[0]);
+ }
+
+ private String _replaceFor(String token)
+ {
+ for (int i = 0; i < mtch.length; i++)
+ if (segs[i] > -1 && mtch[i].equals(token))
+ {
+ return regexReplace[i];
+ }
+ return null;
+ }
+
+ /**
+ * @return the sequence ID regexReplace
+ */
+ public String getSeqRegexReplace()
+ {
+ return _replaceFor(tokens[1]);
+ }
+
+ /**
+ * @return the invalidMessage
+ */
+ public String getInvalidMessage()
+ {
+ return invalidMessage;
+ }
+
+ /**
+ * Check if URL string was parsed properly.
+ *
+ * @return boolean - if false then <code>getInvalidMessage</code> returns an
+ * error message
+ */
+ public boolean isValid()
+ {
+ return invalidMessage == null;
+ }
+
+ /**
+ * return one or more URL strings by applying regex to the given idstring
+ *
+ * @param idstrings
+ * array of id strings to pass to service
+ * @param seqstrings
+ * array of seq strings to pass to service
+ * @param onlyIfMatches
+ * - when true url strings are only made if regex is defined and
+ * matches for all qualified tokens in groupURL - TODO: consider if
+ * onlyIfMatches is really a useful parameter!
+ * @return null or Object[] { int[] { number of seqs substituted},boolean[] {
+ * which seqs were substituted }, StringBuffer[] { substituted lists
+ * for each token }, String[] { url } }
+ */
+ public Object[] makeUrls(String[] idstrings, String[] seqstrings,
+ String dsstring, boolean onlyIfMatches)
+ {
+ Hashtable rstrings = new Hashtable();
+ rstrings.put(tokens[0], idstrings);
+ rstrings.put(tokens[1], seqstrings);
+ rstrings.put(tokens[2], new String[]
+ { dsstring });
+ if (idstrings.length != seqstrings.length)
+ {
+ throw new Error(
+ "idstrings and seqstrings contain one string each per sequence.");
+ }
+ return makeUrls(rstrings, onlyIfMatches);
+ }
+
+ public Object[] makeUrls(Hashtable repstrings, boolean onlyIfMatches)
+ {
+ // prepare string arrays in correct order to be assembled into URL input
+ String[][] idseq = new String[mtch.length][]; // indexed by pass
+ int mins = 0, maxs = 0; // allowed two values, 1 or n-sequences.
+ for (int i = 0; i < mtch.length; i++)
+ {
+ idseq[i] = (String[]) repstrings.get(mtch[i]);
+ if (idseq[i].length >= 1)
+ {
+ if (mins == 0 && idseq[i].length == 1)
+ {
+ mins = 1;
+ }
+ if (maxs < 2)
+ {
+ maxs = idseq[i].length;
+ }
+ else
+ {
+ if (maxs != idseq[i].length)
+ {
+ throw new Error(
+ "Cannot have mixed length replacement vectors. Replacement vector for "
+ + (mtch[i]) + " is " + idseq[i].length
+ + " strings long, and have already seen a "
+ + maxs + " length vector.");
+ }
+ }
+ }
+ else
+ {
+ throw new Error(
+ "Cannot have zero length vector of replacement strings - either 1 value or n values.");
+ }
+ }
+ int pass = 0;
+ // iterate through input, collating segments to be inserted into url
+ StringBuffer matched[] = new StringBuffer[idseq.length];
+ // and precompile regexes
+ com.stevesoft.pat.Regex[] rgxs = new com.stevesoft.pat.Regex[matched.length];
+ for (pass = 0; pass < matched.length; pass++)
+ {
+ matched[pass] = new StringBuffer();
+ if (regexReplace[pass] != null)
+ {
+ rgxs[pass] = com.stevesoft.pat.Regex.perlCode("/" + regexReplace[pass]
+ + "/");
+ }
+ else
+ {
+ rgxs[pass] = null;
+ }
+ }
+ // record which of the input sequences were actually used to generate the
+ // url
+ boolean[] thismatched = new boolean[maxs];
+ int seqsmatched = 0;
+ for (int sq = 0; sq < maxs; sq++)
+ {
+ // initialise flag for match
+ thismatched[sq] = false;
+ String[] thematches = new String[rgxs.length];
+ for (pass = 0; pass < rgxs.length; pass++)
+ {
+ thematches[pass] = ""; // initialise - in case there are no more
+ // matches.
+ // if a regex is provided, then it must match for all sequences in all
+ // tokens for it to be considered.
+ if (idseq[pass].length <= sq)
+ {
+ // no more replacement strings to try for this token
+ continue;
+ }
+ if (rgxs[pass] != null)
+ {
+ com.stevesoft.pat.Regex rg = rgxs[pass];
+ int rematchat = 0;
+ // concatenate all matches of re in the given string!
+ while (rg.searchFrom(idseq[pass][sq], rematchat))
+ {
+ rematchat = rg.matchedTo();
+ thismatched[sq] |= true;
+ // do we take the cartesian products of the substituents ?
+ int ns = rg.numSubs();
+ if (ns == 0)
+ {
+ thematches[pass] += rg.stringMatched();// take whole regex
+ }
+ /*
+ * else if (ns==1) { // take only subgroup match return new String[]
+ * { rg.stringMatched(1), url_prefix+rg.stringMatched(1)+url_suffix
+ * }; }
+ */
+ // deal with multiple submatch case - for moment we do the simplest
+ // - concatenate the matched regions, instead of creating a complete
+ // list for each alternate match over all sequences.
+ // TODO: specify a 'replace pattern' - next refinement
+ else
+ {
+ // debug
+ for (int s = 0; s <= rg.numSubs(); s++)
+ {
+ System.err.println("Sub " + s + " : " + rg.matchedFrom(s)
+ + " : " + rg.matchedTo(s) + " : '"
+ + rg.stringMatched(s) + "'");
+ }
+ // try to collate subgroup matches
+ StringBuffer subs = new StringBuffer();
+ // have to loop through submatches, collating them at top level
+ // match
+ int s = 0; // 1;
+ while (s <= ns)
+ {
+ if (s + 1 <= ns && rg.matchedTo(s) > -1
+ && rg.matchedTo(s + 1) > -1
+ && rg.matchedTo(s + 1) < rg.matchedTo(s))
+ {
+ // s is top level submatch. search for submatches enclosed by
+ // this one
+ int r = s + 1;
+ String rmtch = "";
+ while (r <= ns && rg.matchedTo(r) <= rg.matchedTo(s))
+ {
+ if (rg.matchedFrom(r) > -1)
+ {
+ rmtch += rg.stringMatched(r);
+ }
+ r++;
+ }
+ if (rmtch.length() > 0)
+ {
+ subs.append(rmtch); // simply concatenate
+ }
+ s = r;
+ }
+ else
+ {
+ if (rg.matchedFrom(s) > -1)
+ {
+ subs.append(rg.stringMatched(s)); // concatenate
+ }
+ s++;
+ }
+ }
+ thematches[pass] += subs.toString();
+ }
+ }
+ }
+ else
+ {
+ // are we only supposed to take regex matches ?
+ if (!onlyIfMatches)
+ {
+ thismatched[sq] |= true;
+ thematches[pass] = idseq[pass][sq]; // take whole string -
+ // regardless - probably not a
+ // good idea!
+ /*
+ * TODO: do some boilerplate trimming of the fields to make them
+ * sensible e.g. trim off any 'prefix' in the id string (see UrlLink
+ * for the below) - pre 2.4 Jalview behaviour if
+ * (idstring.indexOf("|") > -1) { idstring =
+ * idstring.substring(idstring.lastIndexOf("|") + 1); }
+ */
+
+ }
+ }
+ }
+
+ // check if we are going to add this sequence's results ? all token
+ // replacements must be valid for this to happen!
+ // (including single value replacements - eg. dataset name)
+ if (thismatched[sq])
+ {
+ for (pass = 0; pass < matched.length; pass++)
+ {
+ if (idseq[pass].length > 1 && matched[pass].length() > 0)
+ {
+ matched[pass].append(separators[pass]);
+ }
+ matched[pass].append(thematches[pass]);
+ }
+ seqsmatched++;
+ }
+ }
+ // finally, if any sequences matched, then form the URL and return
+ if (matched[0].length() == 0)
+ {
+ // no matches - no url generated
+ return null;
+ }
+ StringBuffer submiturl = new StringBuffer();
+ submiturl.append(url_prefix);
+ for (pass = 0; pass < matched.length; pass++)
+ {
+ submiturl.append(matched[pass]);
+ if (url_suffix[pass] != null)
+ {
+ submiturl.append(url_suffix[pass]);
+ }
+ }
+
+ return new Object[]
+ { new int[]
+ { seqsmatched }, thismatched, matched, new String[]
+ { submiturl.toString() } };
+ }
+
+ /**
+ * get token types present in this url as a bitfield indicating presence of each token from tokens (LSB->MSB).
+ * @return groupURL class as integer
+ */
+ public int getGroupURLType()
+ {
+ int r = 0;
+ for (int pass = 0; pass < tokens.length; pass++)
+ {
+ for (int i = 0; i < mtch.length; i++)
+ {
+ if (mtch[i].equals(tokens[pass]))
+ {
+ r += 1 << pass;
+ }
+ }
+ }
+ return r;
+ }
+
+ public String toString()
+ {
+ StringBuffer result = new StringBuffer();
+ result.append(label + "|" + url_prefix);
+ int r;
+ for (r = 0; r < url_suffix.length; r++)
+ {
+ result.append("$");
+ result.append(mtch[r]);
+ if (regexReplace[r] != null)
+ {
+ result.append("=/");
+ result.append(regexReplace[r]);
+ result.append("/=");
+ }
+ result.append("$");
+ result.append(url_suffix[r]);
+ }
+ for (r = 0; r < separators.length; r++)
+ {
+ result.append("|");
+ result.append(separators[r]);
+ }
+ return result.toString();
+ }
+
+ /**
+ * report stats about the generated url string given an input set
+ *
+ * @param ul
+ * @param idstring
+ * @param url
+ */
+ private static void testUrls(GroupUrlLink ul, String[][] idstring,
+ Object[] url)
+ {
+
+ if (url == null)
+ {
+ System.out.println("Created NO urls.");
+ }
+ else
+ {
+ System.out.println("Created a url from " + ((int[]) url[0])[0]
+ + "out of " + idstring[0].length + " sequences.");
+ System.out.println("Sequences that did not match:");
+ for (int sq = 0; sq < idstring[0].length; sq++)
+ {
+ if (!((boolean[]) url[1])[sq])
+ {
+ System.out.println("Seq " + sq + ": " + idstring[0][sq] + "\t: "
+ + idstring[1][sq]);
+ }
+ }
+ System.out.println("Sequences that DID match:");
+ for (int sq = 0; sq < idstring[0].length; sq++)
+ {
+ if (((boolean[]) url[1])[sq])
+ {
+ System.out.println("Seq " + sq + ": " + idstring[0][sq] + "\t: "
+ + idstring[1][sq]);
+ }
+ }
+ System.out.println("The generated URL:");
+ System.out.println(((String[]) url[3])[0]);
+ }
+ }
+
+ public static void main(String argv[])
+ {
+ String[] links = new String[]
+ {
+ "EnVision2|IDS|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=Enfin%20Default%20Workflow&datasetName=linkInDatasetFromJalview&input=$SEQUENCEIDS$&inputType=0|,",
+ "EnVision2|Seqs|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=Enfin%20Default%20Workflow&datasetName=linkInDatasetFromJalview&input=$SEQUENCES$&inputType=1|,",
+ "EnVision2|IDS|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=Enfin%20Default%20Workflow&datasetName=$DATASETID$&input=$SEQUENCEIDS$&inputType=0|,",
+ "EnVision2|Seqs|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=Enfin%20Default%20Workflow&datasetName=$DATASETID$&input=$SEQUENCES$&inputType=1|,",
+ "EnVision2|IDS|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=$SEQUENCEIDS$&datasetName=linkInDatasetFromJalview&input=$SEQUENCEIDS$&inputType=0|,",
+ "EnVision2|Seqs|http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?workflow=$SEQUENCEIDS$&datasetName=$DATASETID$&input=$SEQUENCES$&inputType=1|,",
+ "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|,",
+ "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|,"
+ /*
+ * http://www.ebi.ac.uk/enfin-srv/envision2/pages/linkin.jsf?input=P38389,P38398
+ * &inputType=0&workflow=Enfin%20Default%20Workflow&datasetName=
+ * linkInDatasetFromPRIDE
+ */
+ };
+
+ SequenceI[] seqs = new SequenceI[]
+ { new Sequence("StupidLabel:gi|9234|pdb|102L|A",
+ "asdiasdpasdpadpwpadasdpaspdw"), };
+ String[][] seqsandids = formStrings(seqs);
+ for (int i = 0; i < links.length; i++)
+ {
+ GroupUrlLink ul = new GroupUrlLink(links[i]);
+ if (ul.isValid())
+ {
+ System.out.println("\n\n\n");
+ System.out.println("Link " + i + " " + links[i] + " : "
+ + ul.toString());
+ System.out.println(" pref : " + ul.getUrl_prefix());
+ System.out.println(" IdReplace : " + ul.getIDRegexReplace());
+ System.out.println(" SeqReplace : " + ul.getSeqRegexReplace());
+ System.out.println(" Suffixes : " + ul.getUrl_suffix());
+
+ System.out
+ .println("<insert input id and sequence strings here> Without onlyIfMatches:");
+ Object[] urls = ul.makeUrls(seqsandids[0], seqsandids[1],
+ "mydataset", false);
+ testUrls(ul, seqsandids, urls);
+ System.out
+ .println("<insert input id and sequence strings here> With onlyIfMatches set:");
+ urls = ul.makeUrls(seqsandids[0], seqsandids[1], "mydataset", true);
+ testUrls(ul, seqsandids, urls);
+ }
+ else
+ {
+ System.err.println("Invalid URLLink : " + links[i] + " : "
+ + ul.getInvalidMessage());
+ }
+ }
+ }
+
+ /**
+ * covenience method to generate the id and sequence string vector from a set
+ * of seuqences using each sequence's getName() and getSequenceAsString()
+ * method
+ *
+ * @param seqs
+ * @return String[][] {{sequence ids},{sequence strings}}
+ */
+ public static String[][] formStrings(SequenceI[] seqs)
+ {
+ String[][] idset = new String[2][seqs.length];
+ for (int i = 0; i < seqs.length; i++)
+ {
+ idset[0][i] = seqs[i].getName();
+ idset[1][i] = seqs[i].getSequenceAsString();
+ }
+ return idset;
+ }
+
+ public void setLabel(String newlabel)
+ {
+ this.label = newlabel;
+ }
+}