/** Delete '\r' in combination CRLF or LFCR in document content */
  private void removeExtraNewLine(Document doc) {
    String content = doc.getContent().toString();
    StringBuffer buff = new StringBuffer(content);

    char ch = ' ';
    char lastch = ' ';
    for (int i = content.length() - 1; i > -1; --i) {
      ch = content.charAt(i);
      if (ch == '\n' && lastch == '\r') {
        buff.deleteCharAt(i + 1);
      }
      if (ch == '\r' && lastch == '\n') {
        buff.deleteCharAt(i);
        ch = lastch;
      }
      lastch = ch;
    } // for

    doc.setContent(new DocumentContentImpl(buff.toString()));
  } // removeExtraNewLine(Document doc)
  /**
   * Run from the command-line, with a list of URLs as argument.
   *
   * <p><B>NOTE:</B><br>
   * This code will run with all the documents in memory - if you want to unload each from memory
   * after use, add code to store the corpus in a DataStore.
   */
  public static void main(String args[]) throws GateException, IOException {
    // initialise the GATE library
    Out.prln("Initialising GATE...");
    Gate.init();
    Out.prln("...GATE initialised");

    // initialise ANNIE (this may take several minutes)
    StandAloneAnnie annie = new StandAloneAnnie();
    annie.initAnnie();

    // create a GATE corpus and add a document for each command-line
    // argument
    Corpus corpus = Factory.newCorpus("StandAloneAnnie corpus");
    for (int i = 0; i < args.length; i++) {
      URL u = new URL(args[i]);
      FeatureMap params = Factory.newFeatureMap();
      params.put("sourceUrl", u);
      params.put("preserveOriginalContent", new Boolean(true));
      params.put("collectRepositioningInfo", new Boolean(true));
      Out.prln("Creating doc for " + u);
      Document doc = (Document) Factory.createResource("gate.corpora.DocumentImpl", params);
      corpus.add(doc);
    } // for each of args

    // tell the pipeline about the corpus and run it
    annie.setCorpus(corpus);
    annie.execute();

    // for each document, get an XML document with the
    // person and location names added
    Iterator iter = corpus.iterator();
    int count = 0;
    String startTagPart_1 = "<span GateID=\"";
    String startTagPart_2 = "\" title=\"";
    String startTagPart_3 = "\" style=\"background:Red;\">";
    String endTag = "</span>";

    while (iter.hasNext()) {
      Document doc = (Document) iter.next();
      AnnotationSet defaultAnnotSet = doc.getAnnotations();
      Set annotTypesRequired = new HashSet();
      annotTypesRequired.add("Person");
      annotTypesRequired.add("Location");
      Set<Annotation> peopleAndPlaces =
          new HashSet<Annotation>(defaultAnnotSet.get(annotTypesRequired));

      FeatureMap features = doc.getFeatures();
      String originalContent =
          (String) features.get(GateConstants.ORIGINAL_DOCUMENT_CONTENT_FEATURE_NAME);
      RepositioningInfo info =
          (RepositioningInfo) features.get(GateConstants.DOCUMENT_REPOSITIONING_INFO_FEATURE_NAME);

      ++count;
      File file = new File("StANNIE_" + count + ".HTML");
      Out.prln("File name: '" + file.getAbsolutePath() + "'");
      if (originalContent != null && info != null) {
        Out.prln("OrigContent and reposInfo existing. Generate file...");

        Iterator it = peopleAndPlaces.iterator();
        Annotation currAnnot;
        SortedAnnotationList sortedAnnotations = new SortedAnnotationList();

        while (it.hasNext()) {
          currAnnot = (Annotation) it.next();
          sortedAnnotations.addSortedExclusive(currAnnot);
        } // while

        StringBuffer editableContent = new StringBuffer(originalContent);
        long insertPositionEnd;
        long insertPositionStart;
        // insert anotation tags backward
        Out.prln("Unsorted annotations count: " + peopleAndPlaces.size());
        Out.prln("Sorted annotations count: " + sortedAnnotations.size());
        for (int i = sortedAnnotations.size() - 1; i >= 0; --i) {
          currAnnot = (Annotation) sortedAnnotations.get(i);
          insertPositionStart = currAnnot.getStartNode().getOffset().longValue();
          insertPositionStart = info.getOriginalPos(insertPositionStart);
          insertPositionEnd = currAnnot.getEndNode().getOffset().longValue();
          insertPositionEnd = info.getOriginalPos(insertPositionEnd, true);
          if (insertPositionEnd != -1 && insertPositionStart != -1) {
            editableContent.insert((int) insertPositionEnd, endTag);
            editableContent.insert((int) insertPositionStart, startTagPart_3);
            editableContent.insert((int) insertPositionStart, currAnnot.getType());
            editableContent.insert((int) insertPositionStart, startTagPart_2);
            editableContent.insert((int) insertPositionStart, currAnnot.getId().toString());
            editableContent.insert((int) insertPositionStart, startTagPart_1);
          } // if
        } // for

        FileWriter writer = new FileWriter(file);
        writer.write(editableContent.toString());
        writer.close();
      } // if - should generate
      else if (originalContent != null) {
        Out.prln("OrigContent existing. Generate file...");

        Iterator it = peopleAndPlaces.iterator();
        Annotation currAnnot;
        SortedAnnotationList sortedAnnotations = new SortedAnnotationList();

        while (it.hasNext()) {
          currAnnot = (Annotation) it.next();
          sortedAnnotations.addSortedExclusive(currAnnot);
        } // while

        StringBuffer editableContent = new StringBuffer(originalContent);
        long insertPositionEnd;
        long insertPositionStart;
        // insert anotation tags backward
        Out.prln("Unsorted annotations count: " + peopleAndPlaces.size());
        Out.prln("Sorted annotations count: " + sortedAnnotations.size());
        for (int i = sortedAnnotations.size() - 1; i >= 0; --i) {
          currAnnot = (Annotation) sortedAnnotations.get(i);
          insertPositionStart = currAnnot.getStartNode().getOffset().longValue();
          insertPositionEnd = currAnnot.getEndNode().getOffset().longValue();
          if (insertPositionEnd != -1 && insertPositionStart != -1) {
            editableContent.insert((int) insertPositionEnd, endTag);
            editableContent.insert((int) insertPositionStart, startTagPart_3);
            editableContent.insert((int) insertPositionStart, currAnnot.getType());
            editableContent.insert((int) insertPositionStart, startTagPart_2);
            editableContent.insert((int) insertPositionStart, currAnnot.getId().toString());
            editableContent.insert((int) insertPositionStart, startTagPart_1);
          } // if
        } // for

        FileWriter writer = new FileWriter(file);
        writer.write(editableContent.toString());
        writer.close();
      } else {
        Out.prln("Content : " + originalContent);
        Out.prln("Repositioning: " + info);
      }

      String xmlDocument = doc.toXml(peopleAndPlaces, false);
      String fileName = new String("StANNIE_toXML_" + count + ".HTML");
      FileWriter writer = new FileWriter(fileName);
      writer.write(xmlDocument);
      writer.close();
    } // for each doc
  } // main