1 | /*
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2 | * SimpleGraphicalClient.java
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3 | * Copyright (C) 2001 New Zealand Digital Library Project
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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 2 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, write to the Free Software
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17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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18 | */
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19 | package org.nzdl.gsdl.SimpleGraphicalClient;
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20 |
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21 | import java.util.*;
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22 | import java.util.Set;
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23 | import java.util.TreeSet;
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24 | import java.util.Iterator;
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25 | import java.util.Vector;
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26 |
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27 | // local libraries
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28 |
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29 | import org.nzdl.gsdl.service.NzdlService;
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30 | import org.nzdl.gsdl.service.NzdlCollectionInfo;
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31 |
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32 | /**
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33 | * Class
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34 | *
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35 | * A class to
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36 | *
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37 | * @author Dave Nichols ([email protected])
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38 | * @author stuart yeates ([email protected])
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39 | * @version $Revision: 2281 $
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40 | * @see org.nzdl.gsdl.service.SimpleGraphicalClient.SimpleGraphicalClient
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41 | */
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42 |
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43 | class CSModel extends Object {
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44 |
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45 | Vector collectionList;
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46 | TreeMap collectionInfoMap;
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47 | HashMap collectionNameMap;
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48 | String currentCollection;
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49 | ResultModel results;
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50 | NzdlService nzdl;
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51 | QueryHistoryModel queryHistoryModel;
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52 | BerryBasketModel berryBasketModel;
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53 |
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54 |
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55 | public CSModel(NzdlService newNzdl)
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56 | {
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57 | nzdl = newNzdl;
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58 | results = new ResultModel();
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59 | collectionList = new Vector();
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60 | collectionInfoMap = new TreeMap();
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61 | collectionNameMap = new HashMap();
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62 | queryHistoryModel = new QueryHistoryModel();
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63 | berryBasketModel = new BerryBasketModel();
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64 | currentCollection = "";
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65 | initialiseCollection();
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66 | }
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67 |
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68 |
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69 | public NzdlService getNzdlService()
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70 | {
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71 | return nzdl;
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72 | }
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73 |
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74 | public QueryHistoryModel getQueryHistoryModel() {
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75 | return queryHistoryModel;
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76 | }
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77 |
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78 | public BerryBasketModel getBerryBasketModel() {
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79 | return berryBasketModel;
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80 | }
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81 |
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82 | /* Result methods */
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83 |
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84 | public ResultModel getResultsModel()
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85 | {
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86 | return results;
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87 | }
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88 |
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89 | public void addResult(Result result)
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90 | {
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91 | results.add(result);
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92 | }
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93 |
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94 | public void clearResults()
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95 | {
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96 | //System.out.println("Clearing resultModel");
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97 | results.clear();
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98 | }
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99 |
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100 | /* collectionList methods */
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101 |
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102 | public Vector getCollectionList() {
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103 | return new Vector(collectionInfoMap.keySet());
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104 | }
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105 |
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106 | public Collection getCollectionAsCollection() {
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107 | return (Collection)collectionInfoMap;
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108 | }
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109 |
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110 | public int getCollectionListSize() {
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111 | return collectionInfoMap.size();
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112 | }
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113 |
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114 | public NzdlCollectionInfo getCollectionInfo(String collectionName) {
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115 | return (NzdlCollectionInfo) collectionInfoMap.get(collectionName);
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116 | }
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117 |
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118 |
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119 | public String getLongCollectionName(String collectionName) {
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120 | return (String) collectionNameMap.get(collectionName);
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121 | }
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122 |
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123 |
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124 | public String getCollectionDescription(String collectionName) {
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125 | Set descSet = nzdl.getMetaData(collectionName, "collection", "collectionextra");
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126 | if (descSet.size() == 1)
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127 | return (String) descSet.toArray()[0];
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128 | else
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129 | return "collectionName has more than 1 collectionextra entry";
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130 | }
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131 |
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132 |
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133 | public void setCurrentCollection(String collection )
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134 | {
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135 | currentCollection = collection;
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136 | }
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137 |
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138 | public String getCurrentCollection()
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139 | {
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140 | return currentCollection;
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141 | }
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142 |
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143 | public String getFirstCollection()
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144 | {
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145 | if (getCollectionListSize() > 0)
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146 | return (String)collectionInfoMap.firstKey();
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147 | else
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148 | return "no collections";
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149 | }
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150 | /**
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151 | *
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152 | */
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153 | public void initialiseCollection()
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154 | {
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155 | Set collectionSet = nzdl.getCollectionSet(); // set of strings of collection titles
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156 | TreeSet orderedCollectionSet = new TreeSet(collectionSet);
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157 | // TreeSet automatically puts strings in alphabetical order
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158 | System.out.println("Number of collections on the server: " +
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159 | orderedCollectionSet.size());
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160 | Iterator collectionSetIterator = orderedCollectionSet.iterator();
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161 | while (collectionSetIterator.hasNext() ) {
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162 | // object -> String
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163 | String collectionName = (String)collectionSetIterator.next();
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164 | NzdlCollectionInfo info = nzdl.getCollectionInfo(collectionName);
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165 |
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166 | if (info != null &&
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167 | info.getBuildDate() != 0 &&
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168 | nzdl.pingCollection(collectionName)) {
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169 | collectionInfoMap.put(collectionName, info);
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170 | String longCollectionName = "";
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171 | Set n = nzdl.getMetaData(collectionName, "collection", "collectionname");
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172 | if (n != null) {
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173 | if (n.size() == 1)
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174 | longCollectionName = (String) n.toArray()[0];
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175 | else
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176 | longCollectionName = collectionName + " has more than 1 collectionname";
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177 | collectionNameMap.put(collectionName,longCollectionName );
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178 | System.err.println("Adding " + collectionName + " to collection list...");
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179 | }
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180 | } // end if
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181 | else {
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182 | System.err.println("Collection " + collectionName + " getBuildDate() returned 0");
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183 | } // end else
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184 | } // end while
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185 | setCurrentCollection(getFirstCollection()); //assume at least one collection
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186 |
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187 | }
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188 |
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189 |
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190 | }
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