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1 package de.mpg.mpiwg.berlin.mpdl.servlets.lt;
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2
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3 import java.io.IOException;
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4 import java.io.PrintWriter;
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5 import java.util.ArrayList;
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6 import java.util.Collections;
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7 import java.util.Date;
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8
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9 import javax.servlet.ServletConfig;
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10 import javax.servlet.ServletException;
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11 import javax.servlet.http.HttpServlet;
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12 import javax.servlet.http.HttpServletRequest;
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13 import javax.servlet.http.HttpServletResponse;
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14
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15 import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException;
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16 import de.mpg.mpiwg.berlin.mpdl.lt.dict.db.LexHandler;
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17 import de.mpg.mpiwg.berlin.mpdl.lt.general.Language;
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18 import de.mpg.mpiwg.berlin.mpdl.lt.morph.app.Form;
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19 import de.mpg.mpiwg.berlin.mpdl.lt.morph.app.Lemma;
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20
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21 public class GetLemmas extends HttpServlet {
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22 private static final long serialVersionUID = 1L;
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23 private LexHandler lexHandler;
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24
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25 public GetLemmas() {
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26 super();
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27 }
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28
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29 public void init(ServletConfig config) throws ServletException {
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30 super.init(config);
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31 try {
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32 lexHandler = LexHandler.getInstance();
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33 } catch (ApplicationException e) {
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34 throw new ServletException(e);
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35 }
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36 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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37
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38 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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39 Date begin = new Date();
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40 request.setCharacterEncoding("utf-8");
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41 response.setCharacterEncoding("utf-8");
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42 String query = request.getParameter("query");
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43 String language = request.getParameter("language");
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44 String inputType = request.getParameter("inputType");
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45 String outputFormat = request.getParameter("outputFormat");
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46 String outputType = request.getParameter("outputType");
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47 String normalization = request.getParameter("normalization");
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48 if (language == null)
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49 language = "eng";
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50 if (inputType == null || ! (inputType.equals("form") || inputType.equals("lemma")))
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51 inputType = "form";
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52 if (outputFormat == null || ! (outputFormat.equals("xml") || outputFormat.equals("html") || outputFormat.equals("string")))
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53 outputFormat = "xml";
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54 if (outputType == null || ! (outputType.equals("compact") || outputType.equals("full")))
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55 outputType = "compact";
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56 if (normalization == null || ! (normalization.equals("none") || normalization.equals("reg") || normalization.equals("reg norm")))
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57 normalization = "norm";
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58
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59 String xmlQueryString = "<query><name>" + query + "</name>" + "<language>" + language + "</language>" + "<inputType>" + inputType + "</inputType>" +
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60 "<outputFormat>" + outputFormat + "</outputFormat>" + "<outputType>" + outputType + "</outputType>" + "<normalization>" + normalization + "</normalization>" + "</query>";
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61 try {
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62 if (outputFormat.equals("xml"))
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63 response.setContentType("text/xml");
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64 else if (outputFormat.equals("html") || outputFormat.equals("string"))
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65 response.setContentType("text/html");
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66 else
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67 response.setContentType("text/xml");
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68 PrintWriter out = response.getWriter();
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69 if (query == null || query.isEmpty()) {
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70 out.print("request parameter query is empty. Please specify a query.");
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71 out.close();
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72 return;
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73 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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74 ArrayList<Lemma> lemmas = lexHandler.getLemmas(query, inputType, language, normalization);
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75 String baseUrl = getBaseUrl(request);
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76 Date end = new Date();
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77 String elapsedTime = String.valueOf(end.getTime() - begin.getTime());
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78 String result = "";
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79 if (outputFormat == null || outputFormat.equals("xml"))
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parents:
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80 result = createXmlOutputString(query, lemmas, outputType, baseUrl, xmlQueryString, elapsedTime);
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81 else if (outputFormat.equals("html"))
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parents:
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82 result = createHtmlOutputString(query, lemmas, outputType, elapsedTime);
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parents:
diff
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83 else if (outputFormat.equals("string"))
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parents:
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84 result = createStringOutputString(lemmas);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
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85 else
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
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86 result = createXmlOutputString(query, lemmas, outputType, baseUrl, xmlQueryString, elapsedTime);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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87 out.print(result);
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parents:
diff
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88 out.close();
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parents:
diff
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89 } catch (ApplicationException e) {
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parents:
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90 throw new ServletException(e);
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parents:
diff
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91 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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92 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
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93
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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94 protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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parents:
diff
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95
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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96 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
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97
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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98 private String getBaseUrl( HttpServletRequest request ) {
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parents:
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changeset
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99 if (request.getServerPort() == 80 || request.getServerPort() == 443)
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100 return request.getScheme() + "://" + request.getServerName() + request.getContextPath();
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parents:
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101 else
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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102 return request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + request.getContextPath();
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parents:
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103 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
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104
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
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105
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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106 private String createXmlOutputString(String query, ArrayList<Lemma> lemmas, String outputType, String baseUrl, String xmlQueryString, String elapsedTime) {
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parents:
diff
changeset
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107 String result = "<result>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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108 result = result + "<provider>" + "MPIWG MPDL language technology service (see: " + "" + baseUrl + "), Max Planck Institute for the History of Science, Berlin." + "</provider>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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109 result = result + xmlQueryString;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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110 result = result + "<elapsed-time-ms>" + elapsedTime + "</elapsed-time-ms>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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111 if (lemmas != null && ! lemmas.isEmpty()) {
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parents:
diff
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112 result = result + "<morphology>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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113 for (int i=0; i<lemmas.size(); i++) {
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parents:
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114 Lemma lemma = lemmas.get(i);
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parents:
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115 String lemmaName = lemma.getLemmaName();
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parents:
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116 String language = lemma.getLanguage();
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parents:
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117 result = result + "<lemma>";
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parents:
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118 result = result + "<name>" + lemmaName + "</name>";
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parents:
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119 if (outputType != null && outputType.equals("full")) {
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120 String lemmaProvider = lemma.getProvider();
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parents:
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121 result = result + "<provider>" + lemmaProvider + "</provider>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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122 result = result + "<language>" + language + "</language>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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123 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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124 if (Language.getInstance().isArabic(language) || Language.getInstance().isLatin(language)) {
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parents:
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125 String remoteUrl = "http://www.perseus.tufts.edu/hopper/morph?l=" + lemmaName + "&la=" + language;
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parents:
diff
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126 result = result + "<remoteUrl>" + remoteUrl + "</remoteUrl>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
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127 } else if (Language.getInstance().isGreek(language)) {
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parents:
diff
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128 String remoteUrl = "http://www.perseus.tufts.edu/hopper/morph?l=" + lemmaName + "&la=" + "greek";
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parents:
diff
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129 result = result + "<remoteUrl>" + remoteUrl + "</remoteUrl>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
130 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
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131 if (outputType != null && outputType.equals("full")) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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132 ArrayList<Form> forms = lemma.getFormsList();
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
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133 Collections.sort(forms);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
134 if (forms != null && ! forms.isEmpty()) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
135 result = result + "<forms>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
136 for (int j=0; j<forms.size(); j++) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
137 result = result + "<form>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
138 Form f = forms.get(j);
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
139 String formName = f.getFormName();
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
140 String formProvider = f.getProvider();
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
141 result = result + "<provider>" + formProvider + "</provider>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
142 result = result + "<language>" + language + "</language>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
143 result = result + "<name>" + formName + "</name>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
144 result = result + "</form>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
145 }
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
146 result = result + "</forms>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
147 }
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
148 }
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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149 result = result + "</lemma>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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150 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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151 result = result + "</morphology>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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152 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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153 result = result + "</result>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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154 return result;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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155 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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156
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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157 private String createHtmlOutputString(String query, ArrayList<Lemma> lemmas, String outputType, String elapsedTime) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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158 String result = "";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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159 result = result + "<html>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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160 result = result + "<head>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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161 result = result + "<title>Lemmas for: \"" + query + "\"</title>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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162 result = result + "</head>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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163 result = result + "<body>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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164 result = result + "<table align=\"right\" valign=\"top\">";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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165 result = result + "<td>[<i>This is a MPIWG MPDL language technology service</i>] <a href=\"/mpiwg-mpdl-lt-web/index.html\"><img src=\"/mpiwg-mpdl-lt-web/images/info.png\" valign=\"bottom\" width=\"15\" height=\"15\" border=\"0\" alt=\"MPIWG MPDL language technology service\"/></a></td>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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166 result = result + "</table>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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167 result = result + "<p/>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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168 result = result + "<h1>Lemmas for: \"" + query + "\"</h1>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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169 if (lemmas != null && ! lemmas.isEmpty()) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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170 result = result + "<h3>Morphology</h3>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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171 result = result + "<ul>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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172 result = result + "<p/>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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173 for (int i=0; i<lemmas.size(); i++) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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174 Lemma lemma = lemmas.get(i);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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175 String lemmaName = lemma.getLemmaName();
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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176 String language = lemma.getLanguage();
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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177 result = result + "<li>";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
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178 result = result + lemmaName;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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179 if (outputType != null && outputType.equals("full")) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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180 String lemmaProvider = lemma.getProvider();
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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181 result = result + " (data provider: " + lemmaProvider + ")";
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
182 }
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
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183 if (Language.getInstance().isArabic(language) || Language.getInstance().isLatin(language))
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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184 result = result + " (external link: <a href=\"http://www.perseus.tufts.edu/hopper/morph?l=" + lemmaName + "&la=" + language + "\">" + lemmaName + "</a>)";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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185 else if (Language.getInstance().isGreek(language))
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
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|
186 result = result + " (external link: <a href=\"http://www.perseus.tufts.edu/hopper/morph?l=" + lemmaName + "&la=" + "greek" + "\">" + lemmaName + "</a>)";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
187 if (outputType != null && outputType.equals("full")) {
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
188 ArrayList<Form> forms = lemma.getFormsList();
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
189 Collections.sort(forms);
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
190 if (forms != null && ! forms.isEmpty()) {
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
191 result = result + "<ul>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
192 for (int j=0; j<forms.size(); j++) {
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
193 Form f = forms.get(j);
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
194 String formName = f.getFormName();
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
195 String formProvider = f.getProvider();
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
196 result = result + formName + " (data provider: " + formProvider + "), ";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
197 }
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
198 result = result.substring(0, result.length() - 2); // without last comma and blank
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
199 result = result + "</ul>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
200 }
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
201 }
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
202 result = result + "</li>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
203 }
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
204 result = result + "</ul>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
205 }
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
206 result = result + "[* external links may not function]";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
207 result = result + "<hr/>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
208 result = result + "<p/>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
209 result = result + "Elapsed time: " + elapsedTime + " ms, see the <a href=\"/mpiwg-mpdl-lt-web/index.html\">service description</a> of this page, if you find a bug <a href=\"https://it-dev.mpiwg-berlin.mpg.de/tracs/mpdl-project-software/newticket\">let us know</a>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
210 result = result + "</body>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
211 result = result + "</html>";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
212 return result;
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
213 }
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
214
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
215 private String createStringOutputString(ArrayList<Lemma> lemmas) {
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
216 String result = "";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
217 for (int i=0; i<lemmas.size(); i++) {
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
218 Lemma l = lemmas.get(i);
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
219 String lemmaName = l.getLemmaName();
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
220 result = result + lemmaName + " ";
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
221 }
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
222 result = result.substring(0, result.length() - 1); // without last blank
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
223 return result;
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
224 }
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
225
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
226
|
Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
parents:
diff
changeset
|
227 }
|