1 | /**
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2 | * GreenstoneActions.java
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3 | * Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
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4 | *
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5 | * This program is free software: you can redistribute it and/or modify
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6 | * it under the terms of the GNU General Public License as published by
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7 | * the Free Software Foundation, either version 3 of the License, or
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8 | * (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 | */
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18 |
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19 | package org.expeditee.actions;
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20 |
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21 | import java.awt.Color;
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22 | import java.lang.reflect.InvocationTargetException;
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23 | import java.lang.reflect.Method;
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24 | import java.util.Map;
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25 |
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26 | import org.expeditee.agents.SearchGreenstone;
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27 | import org.expeditee.greenstone.ResultDocument;
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28 | import org.expeditee.gui.AttributeValuePair;
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29 | import org.expeditee.gui.MessageBay;
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30 |
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31 | public class GreenstoneActions {
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32 | public static void givePositiveFeedback(String text) {
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33 | giveFeedback(1, text);
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34 | }
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35 |
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36 | public static void giveNegativeFeedback(String text) {
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37 | giveFeedback(-1, text);
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38 | }
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39 |
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40 | public static void clearGreenstoneSession() {
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41 | SearchGreenstone.clearSession();
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42 | }
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43 |
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44 | public static void giveFeedback(double change, String text) {
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45 | Map<String, ResultDocument> sessionResults = SearchGreenstone
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46 | .getConnection().getSessionResults();
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47 |
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48 | if (sessionResults.size() == 0) {
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49 | MessageBay.errorMessage("The Greenstone Session is empty");
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50 | return;
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51 | }
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52 |
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53 | for (String line : text.split("\n")) {
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54 | AttributeValuePair avp = new AttributeValuePair(line, false);
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55 |
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56 | Method getMethod = null;
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57 | String targetValue = null;
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58 |
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59 | if (!avp.hasPair()) {
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60 | if (!avp.hasAttributeOrValue())
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61 | continue;
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62 | /*
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63 | * If only an attribute is supplied then search for it in the
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64 | * entire biliographic text.
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65 | *
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66 | */
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67 | try {
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68 | getMethod = ResultDocument.class.getMethod("toString",
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69 | new Class[] {});
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70 | } catch (SecurityException e) {
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71 | e.printStackTrace();
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72 | } catch (NoSuchMethodException e) {
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73 | e.printStackTrace();
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74 | }
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75 | targetValue = avp.getAttributeOrValue();
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76 | } else {
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77 | targetValue = avp.getValue().trim().toLowerCase();
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78 | String attribute = avp.getAttribute().trim().toLowerCase();
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79 |
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80 | String methodName = "get"
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81 | + Character.toUpperCase(attribute.charAt(0))
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82 | + attribute.substring(1);
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83 |
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84 | try {
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85 | getMethod = ResultDocument.class.getMethod(methodName,
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86 | new Class[] {});
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87 | } catch (SecurityException e) {
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88 | e.printStackTrace();
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89 | continue;
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90 | } catch (NoSuchMethodException e) {
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91 | // User provided an invalid attribute value pair
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92 | MessageBay.errorMessage("Invalid feedback characteristic: "
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93 | + attribute);
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94 | continue;
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95 | }
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96 |
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97 | if(getMethod == null){
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98 | MessageBay.errorMessage("Document attribute does not exist: " + methodName);
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99 | }
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100 | }
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101 |
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102 | for (ResultDocument srd : sessionResults.values()) {
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103 | double sessionScore = srd.getSessionScore();
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104 |
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105 | /*
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106 | * You will refine this part to make more sophisticated
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107 | * comparisons and more sensible score modifications
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108 | */
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109 |
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110 | Object value = null;
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111 | try {
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112 | if(getMethod.getReturnType() == null){
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113 | //Get methods should always return a value
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114 | assert(false);
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115 | }
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116 | value = getMethod.invoke(srd, new Object[] {}).toString();
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117 | } catch (IllegalArgumentException e) {
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118 | e.printStackTrace();
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119 | } catch (IllegalAccessException e) {
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120 | e.printStackTrace();
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121 | } catch (InvocationTargetException e) {
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122 | e.printStackTrace();
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123 | }catch (NullPointerException e) {
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124 | e.printStackTrace();
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125 | }
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126 |
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127 | if (value != null) {
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128 | if (value.toString().trim().toLowerCase().contains(targetValue)) {
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129 | sessionScore = sessionScore + change;
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130 | }
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131 |
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132 | srd.setSessionScore(sessionScore);
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133 | }
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134 | }
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135 | }
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136 | MessageBay.displayMessage("Feedback complete", null, Color.green
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137 | .darker(), true, null);
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138 | }
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139 | }
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