[13238] | 1 | /*
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| 2 | * AbstractGS2FieldSearch.java
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| 3 | * Copyright (C) 2006 New Zealand Digital Library, http://www.nzdl.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 | * the Free Software Foundation; either version 2 of the License, or
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| 7 | * (at your option) any later version.
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| 8 | *
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| 9 | * This program is distributed in the hope that it will be useful,
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | * GNU General Public License for more details.
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| 13 | *
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| 14 | * You should have received a copy of the GNU General Public License
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| 15 | * along with this program; if not, write to the Free Software
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| 16 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 17 | */
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| 18 | package org.greenstone.gsdl3.service;
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| 19 |
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| 20 | // Greenstone classes
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| 21 | import org.greenstone.gsdl3.util.*;
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| 22 |
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| 23 | // XML classes
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| 24 | import org.w3c.dom.Document;
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[24856] | 25 | import org.w3c.dom.Element;
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[13238] | 26 | import org.w3c.dom.NodeList;
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| 27 |
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| 28 | // java classes
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| 29 | import java.util.Iterator;
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| 30 | import java.util.Set;
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| 31 | import java.util.HashMap;
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| 32 | import java.util.Map;
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| 33 | import java.util.ArrayList;
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| 34 | import java.util.Vector;
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| 35 | import java.io.File;
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[25635] | 36 | import java.io.Serializable;
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[13238] | 37 |
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| 38 | import org.apache.log4j.*;
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[25850] | 39 | import org.apache.solr.client.solrj.response.FacetField;
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[13238] | 40 |
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[24856] | 41 | abstract public class AbstractGS2FieldSearch extends AbstractGS2TextSearch
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[13238] | 42 | {
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[24856] | 43 | // extra services offered by mgpp collections
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| 44 | protected static final String FIELD_QUERY_SERVICE = "FieldQuery";
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| 45 | protected static final String ADVANCED_FIELD_QUERY_SERVICE = "AdvancedFieldQuery";
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[24891] | 46 | protected static final String RAW_QUERY_SERVICE = "RawQuery";
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[13238] | 47 |
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[24856] | 48 | // extra parameters used
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| 49 | protected static final String LEVEL_PARAM = "level";
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| 50 | protected static final String RANK_PARAM = "sortBy";
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| 51 | protected static final String RANK_PARAM_RANK = "1";
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| 52 | protected static final String RANK_PARAM_NONE = "0";
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| 53 | protected static final String SIMPLE_FIELD_PARAM = "simpleField";
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| 54 | protected static final String ADVANCED_FIELD_PARAM = "complexField";
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[13238] | 55 |
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[24891] | 56 | protected static final String RAW_PARAM = "rawquery";
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| 57 |
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[24856] | 58 | // more params for field query
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| 59 | protected static final String FIELD_QUERY_PARAM = "fqv";
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| 60 | protected static final String FIELD_STEM_PARAM = "fqs";
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| 61 | protected static final String FIELD_CASE_PARAM = "fqc";
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| 62 | protected static final String FIELD_ACCENT_PARAM = "fqa";
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| 63 | protected static final String FIELD_FIELD_PARAM = "fqf";
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| 64 | protected static final String FIELD_COMBINE_PARAM = "fqk";
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| 65 | protected static final String FIELD_COMBINE_PARAM_AND = "0";
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| 66 | protected static final String FIELD_COMBINE_PARAM_OR = "1";
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| 67 | protected static final String FIELD_COMBINE_PARAM_NOT = "2";
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[13238] | 68 |
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[24856] | 69 | // some stuff for config files
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| 70 | protected static final String SEARCH_TYPE_ELEM = "searchType";
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| 71 | protected static final String SEARCH_TYPE_PLAIN = "plain";
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| 72 | protected static final String SEARCH_TYPE_SIMPLE_FORM = "simpleform";
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| 73 | protected static final String SEARCH_TYPE_ADVANCED_FORM = "advancedform";
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[24891] | 74 | protected static final String SEARCH_TYPE_RAW = "raw";
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[13238] | 75 |
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[24856] | 76 | protected static final String DEFAULT_LEVEL_ELEM = "defaultLevel";
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| 77 | protected static final String DEFAULT_DB_LEVEL_ELEM = "defaultDBLevel";
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| 78 | protected static final String LEVEL_ELEM = "level";
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| 79 | protected static final String FIELD_ATT = "field";
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[13238] | 80 |
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[24856] | 81 | protected static final int TEXT_QUERY = 0;
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| 82 | protected static final int SIMPLE_QUERY = 1;
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| 83 | protected static final int ADVANCED_QUERY = 2;
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[24891] | 84 | protected static final int RAW_QUERY = 3;
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[13238] | 85 |
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[24856] | 86 | protected String AND_OPERATOR = "&";
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| 87 | protected String OR_OPERATOR = "|";
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| 88 | protected String NOT_OPERATOR = "!";
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[13238] | 89 |
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[24856] | 90 | // the default level for searching
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| 91 | protected String default_level = null;
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| 92 | // default level for collection db
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| 93 | protected String default_db_level = null;
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| 94 | // which search services will we offer??
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| 95 | protected boolean plain_search = false;
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| 96 | protected boolean simple_form_search = false;
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| 97 | protected boolean advanced_form_search = false;
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[24898] | 98 | protected boolean raw_search = false;
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[13238] | 99 |
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[24856] | 100 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.service.AbstractGS2FieldSearch.class.getName());
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[13238] | 101 |
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[24856] | 102 | /** constructor */
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| 103 | public AbstractGS2FieldSearch()
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| 104 | {
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| 105 | }
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[13238] | 106 |
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[24856] | 107 | public void cleanUp()
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| 108 | {
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| 109 | super.cleanUp();
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| 110 | }
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[13238] | 111 |
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[24856] | 112 | /** configure this service */
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| 113 | public boolean configure(Element info, Element extra_info)
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| 114 | {
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| 115 | if (!super.configure(info, extra_info))
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| 116 | {
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| 117 | return false;
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| 118 | }
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[13238] | 119 |
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[24856] | 120 | // Get the default level out of <defaultLevel> (buildConfig.xml)
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| 121 | Element def = (Element) GSXML.getChildByTagName(info, DEFAULT_LEVEL_ELEM);
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| 122 | if (def != null)
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| 123 | {
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| 124 | this.default_level = def.getAttribute(GSXML.SHORTNAME_ATT);
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| 125 | }
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| 126 | if (this.default_level == null || this.default_level.equals(""))
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| 127 | {
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| 128 | logger.error("default level not specified!, assuming Doc");
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| 129 | this.default_level = "Doc";
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| 130 | }
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[13238] | 131 |
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[24856] | 132 | // Get the default DB level
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| 133 | def = (Element) GSXML.getChildByTagName(info, DEFAULT_DB_LEVEL_ELEM);
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| 134 | if (def != null)
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| 135 | {
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| 136 | this.default_db_level = def.getAttribute(GSXML.SHORTNAME_ATT);
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| 137 | }
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| 138 | if (this.default_db_level == null || this.default_db_level.equals(""))
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| 139 | {
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| 140 | logger.error("default database level (defaultDBLevel) not specified!, assuming Sec");
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| 141 | this.default_db_level = "Sec";
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| 142 | }
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[21655] | 143 |
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[24856] | 144 | // get stuff from from extra info (which is collectionConfig.xml)
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| 145 | if (extra_info != null)
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| 146 | {
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[21655] | 147 |
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[24856] | 148 | // the search element
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| 149 | Element config_search = (Element) GSXML.getChildByTagName(extra_info, GSXML.SEARCH_ELEM);
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| 150 |
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| 151 | NodeList search_types = config_search.getElementsByTagName(SEARCH_TYPE_ELEM);
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| 152 | if (search_types == null)
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| 153 | {
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| 154 | // none specified, assume plain only
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| 155 | this.plain_search = true;
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| 156 | }
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| 157 | else
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| 158 | {
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| 159 | for (int i = 0; i < search_types.getLength(); i++)
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| 160 | {
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| 161 | Element t = (Element) search_types.item(i);
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[25461] | 162 |
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[24856] | 163 | String type_name = t.getAttribute(GSXML.NAME_ATT);
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| 164 | if (type_name.equals(SEARCH_TYPE_PLAIN))
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| 165 | {
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| 166 | this.plain_search = true;
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| 167 | }
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| 168 | else if (type_name.equals(SEARCH_TYPE_SIMPLE_FORM))
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| 169 | {
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| 170 | this.simple_form_search = true;
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| 171 | }
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| 172 | else if (type_name.equals(SEARCH_TYPE_ADVANCED_FORM))
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| 173 | {
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| 174 | this.advanced_form_search = true;
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| 175 | }
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[24891] | 176 | else if (type_name.equals(SEARCH_TYPE_RAW))
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| 177 | {
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| 178 | this.raw_search = true;
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| 179 | }
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[24856] | 180 | }
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| 181 | }
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| 182 |
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| 183 | // AbstractGS2TextSearch has set up the TextQuery service, but we may not want it
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| 184 | if (!this.plain_search)
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| 185 | {
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| 186 | // need to remove the TextQuery service
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| 187 | Element tq_service = GSXML.getNamedElement(short_service_info, GSXML.SERVICE_ELEM, GSXML.NAME_ATT, QUERY_SERVICE);
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| 188 | short_service_info.removeChild(tq_service);
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| 189 | }
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| 190 |
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| 191 | Document owner = info.getOwnerDocument();
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| 192 |
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| 193 | NodeList levels = info.getElementsByTagName(GSXML.LEVEL_ELEM);
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| 194 |
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| 195 | for (int i = 0; i < levels.getLength(); i++)
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| 196 | {
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| 197 | Element lev = (Element) levels.item(i);
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| 198 | String name = lev.getAttribute(GSXML.NAME_ATT);
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| 199 | Element node_extra = GSXML.getNamedElement(config_search, GSXML.LEVEL_ELEM, GSXML.NAME_ATT, name);
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| 200 | if (node_extra == null)
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| 201 | {
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| 202 | logger.error("haven't found extra info for level named " + name);
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| 203 | continue;
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| 204 | }
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| 205 |
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| 206 | // get the display elements if any - displayName
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| 207 | NodeList display_names = node_extra.getElementsByTagName(GSXML.DISPLAY_TEXT_ELEM);
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| 208 | if (display_names != null)
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| 209 | {
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| 210 | for (int j = 0; j < display_names.getLength(); j++)
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| 211 | {
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| 212 | Element e = (Element) display_names.item(j);
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| 213 | lev.appendChild(owner.importNode(e, true));
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| 214 | }
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| 215 | }
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| 216 | } // for each level
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[13916] | 217 | }
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[24856] | 218 | else
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| 219 | {
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| 220 | // for soem reason we don't have the collectionConfig file. assume plain only
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| 221 | this.plain_search = true;
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[13916] | 222 | }
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[13238] | 223 |
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[24856] | 224 | // the format info is the same for all services
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| 225 | Element format_info = (Element) format_info_map.get(QUERY_SERVICE);
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| 226 |
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| 227 | // set up the extra services which are available for this collection
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| 228 | if (this.simple_form_search)
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| 229 | {
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| 230 | // set up short_service_info_ - for now just has id and type - name will be added in on the fly
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| 231 | Element fq_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 232 | fq_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_QUERY);
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| 233 | fq_service.setAttribute(GSXML.NAME_ATT, FIELD_QUERY_SERVICE);
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| 234 | this.short_service_info.appendChild(fq_service);
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| 235 |
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| 236 | if (format_info != null)
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| 237 | {
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| 238 | this.format_info_map.put(FIELD_QUERY_SERVICE, format_info);
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| 239 | }
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| 240 | }
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| 241 |
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| 242 | if (this.advanced_form_search)
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| 243 | {
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| 244 | Element afq_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 245 | afq_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_QUERY);
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| 246 | afq_service.setAttribute(GSXML.NAME_ATT, ADVANCED_FIELD_QUERY_SERVICE);
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| 247 | this.short_service_info.appendChild(afq_service);
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| 248 |
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| 249 | if (format_info != null)
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| 250 | {
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| 251 | this.format_info_map.put(ADVANCED_FIELD_QUERY_SERVICE, format_info);
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| 252 | }
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| 253 | }
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| 254 |
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[24891] | 255 | if (this.raw_search)
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| 256 | {
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| 257 | Element rq_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 258 | rq_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_QUERY);
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| 259 | rq_service.setAttribute(GSXML.NAME_ATT, RAW_QUERY_SERVICE);
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| 260 | this.short_service_info.appendChild(rq_service);
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| 261 |
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| 262 | if (format_info != null)
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| 263 | {
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| 264 | this.format_info_map.put(RAW_QUERY_SERVICE, format_info);
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| 265 | }
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| 266 | }
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| 267 |
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[24856] | 268 | return true;
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[13238] | 269 | }
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| 270 |
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[24856] | 271 | protected Element getServiceDescription(String service_id, String lang, String subset)
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| 272 | {
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| 273 | // should we check that the service is actually on offer? presumably we wont get asked for services that we haven't advertised previously.
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[13238] | 274 |
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[24891] | 275 | if (!service_id.equals(FIELD_QUERY_SERVICE) && !service_id.equals(ADVANCED_FIELD_QUERY_SERVICE) && !service_id.equals(RAW_QUERY_SERVICE))
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[24856] | 276 | {
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| 277 | return super.getServiceDescription(service_id, lang, subset);
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| 278 | }
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[13238] | 279 |
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[24856] | 280 | Element service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 281 | service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_QUERY);
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| 282 | service.setAttribute(GSXML.NAME_ATT, service_id);
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| 283 | if (subset == null || subset.equals(GSXML.DISPLAY_TEXT_ELEM + GSXML.LIST_MODIFIER))
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| 284 | {
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| 285 | service.appendChild(GSXML.createDisplayTextElement(this.doc, GSXML.DISPLAY_TEXT_NAME, getTextString(service_id + ".name", lang)));
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| 286 | service.appendChild(GSXML.createDisplayTextElement(this.doc, GSXML.DISPLAY_TEXT_SUBMIT, getTextString(service_id + ".submit", lang)));
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| 287 | service.appendChild(GSXML.createDisplayTextElement(this.doc, GSXML.DISPLAY_TEXT_DESCRIPTION, getTextString(service_id + ".description", lang)));
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| 288 |
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| 289 | }
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| 290 | if (subset == null || subset.equals(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER))
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| 291 | {
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| 292 | Element param_list = this.doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
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| 293 | service.appendChild(param_list);
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| 294 | if (service_id.equals(FIELD_QUERY_SERVICE))
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| 295 | {
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| 296 |
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| 297 | addCustomQueryParams(param_list, lang);
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| 298 | createParameter(MAXDOCS_PARAM, param_list, lang);
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| 299 | if (!default_index_subcollection.equals(""))
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| 300 | {
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| 301 | createParameter(INDEX_SUBCOLLECTION_PARAM, param_list, lang);
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| 302 | }
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| 303 | if (!default_index_language.equals(""))
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| 304 | {
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| 305 | createParameter(INDEX_LANGUAGE_PARAM, param_list, lang);
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| 306 | }
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[25850] | 307 |
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| 308 | if (does_paging)
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| 309 | {
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| 310 | createParameter(HITS_PER_PAGE_PARAM, param_list, lang);
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| 311 | createParameter(START_PAGE_PARAM, param_list, lang);
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| 312 | }
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| 313 |
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[24856] | 314 | // create a multi param for the fields etc
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| 315 | // text box, field
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| 316 | Element multiparam = null;
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| 317 | Element param = null;
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| 318 | multiparam = GSXML.createParameterDescription(this.doc, SIMPLE_FIELD_PARAM, "", GSXML.PARAM_TYPE_MULTI, null, null, null);
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| 319 | multiparam.setAttribute("occurs", "4");
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| 320 | param_list.appendChild(multiparam);
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| 321 |
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| 322 | // the components
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| 323 |
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| 324 | createParameter(FIELD_QUERY_PARAM, multiparam, lang);
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| 325 | createParameter(FIELD_FIELD_PARAM, multiparam, lang);
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| 326 |
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| 327 | }
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[24891] | 328 | else if (service_id.equals(ADVANCED_FIELD_QUERY_SERVICE))
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[24856] | 329 | {
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| 330 | createParameter(LEVEL_PARAM, param_list, lang);
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| 331 | createParameter(RANK_PARAM, param_list, lang);
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| 332 | createParameter(MAXDOCS_PARAM, param_list, lang);
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| 333 | if (!default_index_subcollection.equals(""))
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| 334 | {
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| 335 | createParameter(INDEX_SUBCOLLECTION_PARAM, param_list, lang);
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| 336 | }
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| 337 | if (!default_index_language.equals(""))
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| 338 | {
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| 339 | createParameter(INDEX_LANGUAGE_PARAM, param_list, lang);
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| 340 | }
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| 341 |
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| 342 | // create a multi param for the fields etc
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| 343 | // text box, stem, case, field
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| 344 |
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| 345 | Element multiparam = null;
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| 346 | Element param = null;
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| 347 |
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| 348 | multiparam = GSXML.createParameterDescription(this.doc, ADVANCED_FIELD_PARAM, "", GSXML.PARAM_TYPE_MULTI, null, null, null);
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| 349 | multiparam.setAttribute("occurs", "4");
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| 350 | param_list.appendChild(multiparam);
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| 351 |
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| 352 | createParameter(FIELD_COMBINE_PARAM, multiparam, lang);
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| 353 | createParameter(FIELD_QUERY_PARAM, multiparam, lang);
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| 354 | if (this.does_case)
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| 355 | {
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| 356 | createParameter(FIELD_CASE_PARAM, multiparam, lang);
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| 357 | }
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| 358 | if (this.does_stem)
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| 359 | {
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| 360 | createParameter(FIELD_STEM_PARAM, multiparam, lang);
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| 361 | }
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| 362 | if (this.does_accent)
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| 363 | {
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| 364 | createParameter(FIELD_ACCENT_PARAM, multiparam, lang);
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| 365 | }
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[25850] | 366 | if (does_paging)
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| 367 | {
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| 368 | createParameter(HITS_PER_PAGE_PARAM, param_list, lang);
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| 369 | createParameter(START_PAGE_PARAM, param_list, lang);
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| 370 | }
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[24856] | 371 | createParameter(FIELD_FIELD_PARAM, multiparam, lang);
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| 372 |
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| 373 | }
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[24891] | 374 | else if (service_id.equals(RAW_QUERY_SERVICE))
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| 375 | {
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| 376 | if (does_chunking)
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| 377 | {
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| 378 | createParameter(MAXDOCS_PARAM, param_list, lang);
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| 379 | }
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| 380 | if (does_paging)
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| 381 | {
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| 382 | createParameter(HITS_PER_PAGE_PARAM, param_list, lang);
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| 383 | createParameter(START_PAGE_PARAM, param_list, lang);
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| 384 | }
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| 385 | createParameter(RAW_PARAM, param_list, lang);
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| 386 | service.appendChild(param_list);
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| 387 | }
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[24856] | 388 | }
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| 389 | return service;
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| 390 |
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[13238] | 391 | }
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[24856] | 392 |
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| 393 | /** add in the level params to TextQuery */
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| 394 | protected void addCustomQueryParams(Element param_list, String lang)
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| 395 | {
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| 396 | createParameter(LEVEL_PARAM, param_list, lang);
|
---|
| 397 | super.addCustomQueryParams(param_list, lang);
|
---|
[13238] | 398 | }
|
---|
[24856] | 399 |
|
---|
| 400 | /** create a param and add to the list */
|
---|
| 401 | protected void createParameter(String name, Element param_list, String lang)
|
---|
| 402 | {
|
---|
| 403 | Element param = null;
|
---|
| 404 | if (name.equals(LEVEL_PARAM))
|
---|
| 405 | {
|
---|
[25635] | 406 | ArrayList<String> level_ids = new ArrayList<String>();
|
---|
| 407 | ArrayList<String> level_names = new ArrayList<String>();
|
---|
[24856] | 408 | getLevelData(level_ids, level_names, lang);
|
---|
| 409 | if (level_ids.size() > 1)
|
---|
| 410 | {
|
---|
| 411 | // the first one is the default
|
---|
| 412 | //param = GSXML.createParameterDescription2(this.doc, LEVEL_PARAM, getTextString("param."+LEVEL_PARAM, lang), GSXML.PARAM_TYPE_ENUM_SINGLE, (String)level_ids.get(0), level_ids, level_names);
|
---|
| 413 | param = GSXML.createParameterDescription2(this.doc, LEVEL_PARAM, getTextString("param." + LEVEL_PARAM, lang), GSXML.PARAM_TYPE_ENUM_SINGLE, this.default_level, level_ids, level_names);
|
---|
| 414 | }
|
---|
| 415 | else
|
---|
| 416 | {
|
---|
| 417 | // we need to set the level, but hidden, in case there is an invalid level saved
|
---|
| 418 | //param = GSXML.createParameterDescription(this.doc, LEVEL_PARAM, "", GSXML.PARAM_TYPE_INVISIBLE, (String)level_ids.get(0), null, null);
|
---|
| 419 | param = GSXML.createParameterDescription(this.doc, LEVEL_PARAM, "", GSXML.PARAM_TYPE_INVISIBLE, this.default_level, null, null);
|
---|
| 420 | }
|
---|
[14003] | 421 | }
|
---|
[24856] | 422 | else if (name.equals(RANK_PARAM))
|
---|
| 423 | {
|
---|
| 424 | String[] vals1 = { RANK_PARAM_RANK, RANK_PARAM_NONE };
|
---|
| 425 | String[] vals1_texts = { getTextString("param." + RANK_PARAM + "." + RANK_PARAM_RANK, lang), getTextString("param." + RANK_PARAM + "." + RANK_PARAM_NONE, lang) };
|
---|
| 426 |
|
---|
| 427 | param = GSXML.createParameterDescription(this.doc, RANK_PARAM, getTextString("param." + RANK_PARAM, lang), GSXML.PARAM_TYPE_ENUM_SINGLE, RANK_PARAM_RANK, vals1, vals1_texts);
|
---|
| 428 |
|
---|
[14003] | 429 | }
|
---|
[24856] | 430 | else if (name.equals(FIELD_QUERY_PARAM))
|
---|
| 431 | {
|
---|
| 432 | param = GSXML.createParameterDescription(this.doc, FIELD_QUERY_PARAM, getTextString("param." + FIELD_QUERY_PARAM, lang), GSXML.PARAM_TYPE_STRING, null, null, null);
|
---|
| 433 |
|
---|
[14003] | 434 | }
|
---|
[24856] | 435 | else if (name.equals(FIELD_CASE_PARAM) || name.equals(FIELD_STEM_PARAM) || name.equals(FIELD_ACCENT_PARAM))
|
---|
| 436 | {
|
---|
| 437 | String[] bool_ops = { "0", "1" };
|
---|
| 438 | String[] bool_texts = { getTextString("param.boolean.off", lang, "AbstractTextSearch"), getTextString("param.boolean.on", lang, "AbstractTextSearch") };
|
---|
| 439 | param = GSXML.createParameterDescription(this.doc, name, getTextString("param." + name, lang), GSXML.PARAM_TYPE_BOOLEAN, BOOLEAN_PARAM_ON, bool_ops, bool_texts);
|
---|
| 440 |
|
---|
[13238] | 441 | }
|
---|
[24856] | 442 | else if (name.equals(FIELD_FIELD_PARAM))
|
---|
| 443 | {
|
---|
[25635] | 444 | ArrayList<String> fields = new ArrayList<String>();
|
---|
| 445 | ArrayList<String> field_names = new ArrayList<String>();
|
---|
[24856] | 446 | getIndexData(fields, field_names, lang);
|
---|
| 447 | // the field list - read from config file
|
---|
| 448 |
|
---|
| 449 | // Fix for http://trac.greenstone.org/ticket/245 "java crash, index out of bounds"
|
---|
| 450 | // org.greenstone.gsdl3.service.AbstractGS2FieldSearch.createParameter(AbstractGS2FieldSearch.java:362)
|
---|
| 451 | // Changed from:
|
---|
| 452 | // param = GSXML.createParameterDescription2(this.doc, name, getTextString("param."+name, lang), GSXML.PARAM_TYPE_ENUM_SINGLE, (String)fields.get(0), fields, field_names );
|
---|
[25635] | 453 | String default_value = (fields.size() > 0) ? fields.get(0) : null;
|
---|
[24856] | 454 | // don't want to access element 0 if fields.size()==0, and
|
---|
| 455 | // GSXML.createParameterDescription2 checks for default_value==null condition
|
---|
| 456 | param = GSXML.createParameterDescription2(this.doc, name, getTextString("param." + name, lang), GSXML.PARAM_TYPE_ENUM_SINGLE, default_value, fields, field_names);
|
---|
| 457 |
|
---|
[13238] | 458 | }
|
---|
[24856] | 459 | else if (name.equals(FIELD_COMBINE_PARAM))
|
---|
| 460 | {
|
---|
| 461 |
|
---|
| 462 | String[] vals = { FIELD_COMBINE_PARAM_AND, FIELD_COMBINE_PARAM_OR, FIELD_COMBINE_PARAM_NOT };
|
---|
| 463 | String[] val_texts = { getTextString("param." + FIELD_COMBINE_PARAM + "." + FIELD_COMBINE_PARAM_AND, lang), getTextString("param." + FIELD_COMBINE_PARAM + "." + FIELD_COMBINE_PARAM_OR, lang), getTextString("param." + FIELD_COMBINE_PARAM + "." + FIELD_COMBINE_PARAM_NOT, lang) };
|
---|
| 464 |
|
---|
| 465 | param = GSXML.createParameterDescription(this.doc, FIELD_COMBINE_PARAM, "", GSXML.PARAM_TYPE_ENUM_SINGLE, FIELD_COMBINE_PARAM_AND, vals, val_texts);
|
---|
| 466 | param.setAttribute(GSXML.PARAM_IGNORE_POS_ATT, "0");
|
---|
[13238] | 467 | }
|
---|
| 468 |
|
---|
[24856] | 469 | if (param != null)
|
---|
| 470 | {
|
---|
| 471 | param_list.appendChild(param);
|
---|
| 472 | }
|
---|
| 473 | else
|
---|
| 474 | {
|
---|
| 475 | super.createParameter(name, param_list, lang);
|
---|
| 476 | }
|
---|
[13238] | 477 | }
|
---|
| 478 |
|
---|
[24856] | 479 | // should cache some of this
|
---|
[25635] | 480 | protected void getLevelData(ArrayList<String> level_ids, ArrayList<String> level_names, String lang)
|
---|
[24856] | 481 | {
|
---|
| 482 | Element level_list = (Element) GSXML.getChildByTagName(this.config_info, LEVEL_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 483 | NodeList levels = level_list.getElementsByTagName(LEVEL_ELEM);
|
---|
| 484 | for (int i = 0; i < levels.getLength(); i++)
|
---|
| 485 | {
|
---|
| 486 | Element level = (Element) levels.item(i);
|
---|
| 487 | String shortname = level.getAttribute(GSXML.SHORTNAME_ATT);
|
---|
| 488 | if (shortname.equals(""))
|
---|
| 489 | {
|
---|
| 490 | continue;
|
---|
| 491 | }
|
---|
| 492 | level_ids.add(shortname);
|
---|
| 493 | String display_name = GSXML.getDisplayText(level, GSXML.DISPLAY_TEXT_NAME, lang, "en");
|
---|
| 494 | if (display_name.equals(""))
|
---|
| 495 | {
|
---|
| 496 | // we'll use the name, and the dictionary
|
---|
| 497 | display_name = level.getAttribute(GSXML.NAME_ATT);
|
---|
| 498 | if (display_name.equals(""))
|
---|
| 499 | {
|
---|
| 500 | display_name = shortname;
|
---|
| 501 | }
|
---|
| 502 | else
|
---|
| 503 | {
|
---|
| 504 | display_name = getTextString("level." + display_name, lang);
|
---|
| 505 | }
|
---|
| 506 | }
|
---|
| 507 | level_names.add(display_name);
|
---|
[13916] | 508 | }
|
---|
[13238] | 509 | }
|
---|
| 510 |
|
---|
[24856] | 511 | // the following three functions are needed so the base class can
|
---|
| 512 | // call the process+SERVICE_NAME methods
|
---|
| 513 | /** process a text query */
|
---|
| 514 | protected Element processTextQuery(Element request)
|
---|
| 515 | {
|
---|
| 516 | return processAnyQuery(request, TEXT_QUERY);
|
---|
| 517 | }
|
---|
[13238] | 518 |
|
---|
[24856] | 519 | /** process a field query */
|
---|
| 520 | protected Element processFieldQuery(Element request)
|
---|
| 521 | {
|
---|
| 522 | return processAnyQuery(request, SIMPLE_QUERY);
|
---|
| 523 | }
|
---|
[13238] | 524 |
|
---|
[24856] | 525 | /** process an advanced field query */
|
---|
| 526 | protected Element processAdvancedFieldQuery(Element request)
|
---|
| 527 | {
|
---|
| 528 | return processAnyQuery(request, ADVANCED_QUERY);
|
---|
[13238] | 529 | }
|
---|
| 530 |
|
---|
[24891] | 531 | protected Element processRawQuery(Element request)
|
---|
| 532 | {
|
---|
| 533 | return processAnyQuery(request, RAW_QUERY);
|
---|
| 534 | }
|
---|
| 535 |
|
---|
[24856] | 536 | /** process a query */
|
---|
| 537 | protected Element processAnyQuery(Element request, int query_type)
|
---|
| 538 | {
|
---|
| 539 | String service_name = null;
|
---|
| 540 | String empty_query_test_param = null;
|
---|
| 541 | // set up the type specific bits
|
---|
| 542 | switch (query_type)
|
---|
| 543 | {
|
---|
| 544 | case TEXT_QUERY:
|
---|
| 545 | service_name = QUERY_SERVICE;
|
---|
| 546 | empty_query_test_param = QUERY_PARAM;
|
---|
| 547 | break;
|
---|
| 548 | case SIMPLE_QUERY:
|
---|
| 549 | service_name = FIELD_QUERY_SERVICE;
|
---|
| 550 | empty_query_test_param = FIELD_QUERY_PARAM;
|
---|
| 551 | break;
|
---|
| 552 | case ADVANCED_QUERY:
|
---|
| 553 | service_name = ADVANCED_FIELD_QUERY_SERVICE;
|
---|
| 554 | empty_query_test_param = FIELD_QUERY_PARAM;
|
---|
| 555 | break;
|
---|
[24891] | 556 | case RAW_QUERY:
|
---|
| 557 | service_name = RAW_QUERY_SERVICE;
|
---|
| 558 | empty_query_test_param = RAW_PARAM;
|
---|
| 559 | break;
|
---|
[24856] | 560 | default:
|
---|
| 561 | // should never get here
|
---|
| 562 | logger.error("wrong query type!!");
|
---|
| 563 | return null;
|
---|
| 564 | }
|
---|
[13238] | 565 |
|
---|
[24856] | 566 | // Create a new (empty) result message
|
---|
| 567 | Element result = this.doc.createElement(GSXML.RESPONSE_ELEM);
|
---|
| 568 | result.setAttribute(GSXML.FROM_ATT, service_name);
|
---|
| 569 | result.setAttribute(GSXML.TYPE_ATT, GSXML.REQUEST_TYPE_PROCESS);
|
---|
[13238] | 570 |
|
---|
[24856] | 571 | // Get the parameters of the request
|
---|
| 572 | Element param_list = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 573 | if (param_list == null)
|
---|
| 574 | {
|
---|
| 575 | logger.error("TextQuery request had no paramList.");
|
---|
| 576 | return result; // Return the empty result
|
---|
| 577 | }
|
---|
[13975] | 578 |
|
---|
[24856] | 579 | // Process the request parameters
|
---|
[25635] | 580 | HashMap<String, Serializable> params = GSXML.extractParams(param_list, false);
|
---|
[13238] | 581 |
|
---|
[24856] | 582 | // Make sure a query has been specified
|
---|
| 583 | String query = (String) params.get(empty_query_test_param);
|
---|
| 584 | if (query == null || query.equals(""))
|
---|
| 585 | {
|
---|
| 586 | return result; // Return the empty result
|
---|
| 587 | }
|
---|
[13238] | 588 |
|
---|
[24856] | 589 | // If a field hasn't been specified, use the default - for textQuery
|
---|
| 590 | String field = (String) params.get(INDEX_PARAM);
|
---|
| 591 | if (field == null)
|
---|
| 592 | {
|
---|
| 593 | field = default_index;
|
---|
| 594 | }
|
---|
[13975] | 595 |
|
---|
[24856] | 596 | // set up the appropriate query system
|
---|
| 597 | if (!setUpQueryer(params))
|
---|
| 598 | {
|
---|
| 599 | return result;
|
---|
| 600 | }
|
---|
[13975] | 601 |
|
---|
[24856] | 602 | // if field search, create the query string
|
---|
| 603 | switch (query_type)
|
---|
| 604 | {
|
---|
| 605 | case TEXT_QUERY:
|
---|
| 606 | query = addFieldInfo(query, field);
|
---|
| 607 | break;
|
---|
| 608 | case SIMPLE_QUERY:
|
---|
| 609 | query = parseFieldQueryParams(params);
|
---|
| 610 | break;
|
---|
| 611 | case ADVANCED_QUERY:
|
---|
| 612 | query = parseAdvancedFieldQueryParams(params);
|
---|
| 613 | break;
|
---|
| 614 | }
|
---|
[13238] | 615 |
|
---|
[24856] | 616 | // run the query
|
---|
| 617 | Object query_result = runQuery(query);
|
---|
[13238] | 618 |
|
---|
[24856] | 619 | // build up the response
|
---|
[13238] | 620 |
|
---|
[24856] | 621 | // Create a metadata list to store information about the query results
|
---|
| 622 | // should we be using metadataList? or something else?
|
---|
| 623 | Element metadata_list = this.doc.createElement(GSXML.METADATA_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 624 | result.appendChild(metadata_list);
|
---|
| 625 |
|
---|
| 626 | // Add a metadata element specifying the number of matching documents
|
---|
| 627 | long totalDocs = numDocsMatched(query_result);
|
---|
| 628 |
|
---|
| 629 | GSXML.addMetadata(this.doc, metadata_list, "numDocsMatched", "" + totalDocs);
|
---|
| 630 |
|
---|
| 631 | // Create a document list to store the matching documents, and add them
|
---|
| 632 | String[] docs = getDocIDs(query_result);
|
---|
| 633 | String[] doc_ranks = getDocRanks(query_result);
|
---|
| 634 |
|
---|
| 635 | // add a metadata item to specify docs returned
|
---|
| 636 | int docs_returned = docs.length;
|
---|
| 637 | if (does_paging)
|
---|
| 638 | {
|
---|
| 639 | String maxdocs_str = (String) params.get(MAXDOCS_PARAM);
|
---|
| 640 | if (maxdocs_str != null)
|
---|
| 641 | {
|
---|
| 642 | int maxdocs = Integer.parseInt(maxdocs_str);
|
---|
| 643 | docs_returned = (maxdocs < (int) totalDocs ? maxdocs : (int) totalDocs);
|
---|
| 644 | }
|
---|
| 645 | }
|
---|
| 646 | GSXML.addMetadata(this.doc, metadata_list, "numDocsReturned", "" + docs_returned);
|
---|
| 647 |
|
---|
| 648 | // add a metadata item to specify what actual query was done - eg if stuff was stripped out etc. and then we can use the query later, cos we don't know which parameter was the query
|
---|
| 649 | GSXML.addMetadata(this.doc, metadata_list, "query", query);
|
---|
| 650 | if (docs.length > 0)
|
---|
| 651 | {
|
---|
| 652 | Element document_list = this.doc.createElement(GSXML.DOC_NODE_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 653 | result.appendChild(document_list);
|
---|
| 654 | for (int d = 0; d < docs.length; d++)
|
---|
| 655 | {
|
---|
| 656 | String doc_id = internalNum2OID(docs[d]);
|
---|
| 657 | Element doc_node = createDocNode(doc_id, doc_ranks[d]);
|
---|
| 658 | document_list.appendChild(doc_node);
|
---|
| 659 | }
|
---|
| 660 | }
|
---|
| 661 |
|
---|
| 662 | // Create a term list to store the term information, and add it
|
---|
| 663 | Element term_list = this.doc.createElement(GSXML.TERM_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 664 | result.appendChild(term_list);
|
---|
| 665 | addTermInfo(term_list, params, query_result);
|
---|
| 666 |
|
---|
[25850] | 667 | if (query_result instanceof SolrQueryResult)
|
---|
| 668 | {
|
---|
| 669 | Element facet_list = this.doc.createElement(GSXML.FACET_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 670 | result.appendChild(facet_list);
|
---|
| 671 |
|
---|
| 672 | if(((SolrQueryResult) query_result).getFacetResults() != null)
|
---|
| 673 | {
|
---|
| 674 | for (FacetField facet : ((SolrQueryResult) query_result).getFacetResults())
|
---|
| 675 | {
|
---|
| 676 | Element facet_elem = this.doc.createElement(GSXML.FACET_ELEM);
|
---|
| 677 | facet_elem.setAttribute(GSXML.NAME_ATT, facet.getName());
|
---|
| 678 |
|
---|
| 679 | for (FacetField.Count count : facet.getValues())
|
---|
| 680 | {
|
---|
| 681 | if (count.getCount() > 0)
|
---|
| 682 | {
|
---|
| 683 | Element count_elem = this.doc.createElement(GSXML.COUNT_ELEM);
|
---|
| 684 | count_elem.setAttribute(GSXML.NAME_ATT, count.getName());
|
---|
| 685 | count_elem.setTextContent("" + count.getCount());
|
---|
| 686 |
|
---|
| 687 | facet_elem.appendChild(count_elem);
|
---|
| 688 | }
|
---|
| 689 | }
|
---|
| 690 | facet_list.appendChild(facet_elem);
|
---|
| 691 | }
|
---|
| 692 | }
|
---|
| 693 | }
|
---|
| 694 |
|
---|
[24856] | 695 | return result;
|
---|
| 696 |
|
---|
[13238] | 697 | }
|
---|
| 698 |
|
---|
[24856] | 699 | /** methods to handle actually doing the query */
|
---|
| 700 | /** do any initialisation of the query object */
|
---|
[25635] | 701 | abstract protected boolean setUpQueryer(HashMap<String, Serializable> params);
|
---|
[13238] | 702 |
|
---|
[24856] | 703 | /** do the query */
|
---|
| 704 | abstract protected Object runQuery(String query);
|
---|
[13238] | 705 |
|
---|
[24856] | 706 | /** get the total number of docs that match */
|
---|
| 707 | abstract protected long numDocsMatched(Object query_result);
|
---|
| 708 |
|
---|
| 709 | /** get the list of doc ids */
|
---|
| 710 | abstract protected String[] getDocIDs(Object query_result);
|
---|
| 711 |
|
---|
| 712 | /** get the list of doc ranks */
|
---|
| 713 | abstract protected String[] getDocRanks(Object query_result);
|
---|
| 714 |
|
---|
| 715 | /** add in term info if available */
|
---|
[25635] | 716 | abstract protected boolean addTermInfo(Element term_list, HashMap<String, Serializable> params, Object query_result);
|
---|
[24856] | 717 |
|
---|
| 718 | /**
|
---|
| 719 | * combines all the field params into a single query - for simple field
|
---|
| 720 | * query
|
---|
| 721 | */
|
---|
| 722 | /** We assume the combination (AND/OR) is done by the match param */
|
---|
[25635] | 723 | protected String parseFieldQueryParams(HashMap<String, Serializable> params)
|
---|
[24856] | 724 | {
|
---|
| 725 |
|
---|
| 726 | StringBuffer final_query = new StringBuffer(256);
|
---|
| 727 | String text_line = (String) params.get(FIELD_QUERY_PARAM);
|
---|
| 728 | String[] texts = text_line.split(",", -1);
|
---|
| 729 | String field_line = (String) params.get(FIELD_FIELD_PARAM);
|
---|
| 730 | String[] fields = field_line.split(",", -1);
|
---|
| 731 |
|
---|
| 732 | for (int i = 0; i < texts.length; i++)
|
---|
| 733 | {
|
---|
| 734 | String q = texts[i].trim();
|
---|
| 735 | if (!q.equals(""))
|
---|
| 736 | {
|
---|
| 737 | final_query.append(" " + addFieldInfo(q, fields[i]));
|
---|
| 738 | }
|
---|
| 739 | }
|
---|
| 740 |
|
---|
| 741 | return final_query.toString();
|
---|
[13238] | 742 | }
|
---|
| 743 |
|
---|
[24856] | 744 | abstract protected String addFieldInfo(String query, String field);
|
---|
| 745 |
|
---|
| 746 | /**
|
---|
| 747 | * combines all the field params into a single query - for advanced field
|
---|
| 748 | * query
|
---|
| 749 | */
|
---|
[25635] | 750 | protected String parseAdvancedFieldQueryParams(HashMap<String, Serializable> params)
|
---|
[24856] | 751 | {
|
---|
| 752 |
|
---|
| 753 | StringBuffer final_query = new StringBuffer(256);
|
---|
| 754 | String text_line = (String) params.get(FIELD_QUERY_PARAM);
|
---|
| 755 | String[] texts = text_line.split(",", -1);
|
---|
| 756 | String field_line = (String) params.get(FIELD_FIELD_PARAM);
|
---|
| 757 | String[] fields = field_line.split(",", -1);
|
---|
| 758 | String[] cases = null;
|
---|
| 759 | String[] stems = null;
|
---|
| 760 | String[] accents = null;
|
---|
| 761 | if (does_case)
|
---|
| 762 | {
|
---|
| 763 | String case_line = (String) params.get(FIELD_CASE_PARAM);
|
---|
| 764 | if (case_line != null)
|
---|
| 765 | cases = case_line.split(",", -1);
|
---|
[13238] | 766 | }
|
---|
[24856] | 767 | if (does_stem)
|
---|
| 768 | {
|
---|
| 769 | String stem_line = (String) params.get(FIELD_STEM_PARAM);
|
---|
| 770 | if (stem_line != null)
|
---|
| 771 | stems = stem_line.split(",", -1);
|
---|
[13238] | 772 | }
|
---|
[24856] | 773 | if (does_accent)
|
---|
| 774 | {
|
---|
| 775 | String accent_line = (String) params.get(FIELD_ACCENT_PARAM);
|
---|
| 776 | if (accent_line != null)
|
---|
| 777 | accents = accent_line.split(",", -1);
|
---|
[13238] | 778 | }
|
---|
[24856] | 779 | String combine_line = (String) params.get(FIELD_COMBINE_PARAM);
|
---|
| 780 | String[] combines = combine_line.split(",", -1);
|
---|
| 781 | String combine = "";
|
---|
| 782 | for (int i = 0; i < texts.length; i++)
|
---|
| 783 | {
|
---|
| 784 | if (i == 0)
|
---|
| 785 | {// assume first one is blank
|
---|
| 786 | combine = "";
|
---|
| 787 | }
|
---|
| 788 | else
|
---|
| 789 | {
|
---|
| 790 | String x = combines[i];
|
---|
| 791 | if (x.equals(FIELD_COMBINE_PARAM_AND))
|
---|
| 792 | {
|
---|
| 793 | combine = AND_OPERATOR;
|
---|
| 794 | }
|
---|
| 795 | else if (x.equals(FIELD_COMBINE_PARAM_OR))
|
---|
| 796 | {
|
---|
| 797 | combine = OR_OPERATOR;
|
---|
| 798 | }
|
---|
| 799 | else if (x.equals(FIELD_COMBINE_PARAM_NOT))
|
---|
| 800 | {
|
---|
| 801 | combine = NOT_OPERATOR;
|
---|
| 802 | }
|
---|
| 803 |
|
---|
| 804 | }
|
---|
| 805 |
|
---|
| 806 | String q = texts[i].trim();
|
---|
| 807 | boolean modified = false;
|
---|
| 808 | if (!q.equals(""))
|
---|
| 809 | {
|
---|
| 810 | String c = null;
|
---|
| 811 | String s = null;
|
---|
| 812 | String a = null;
|
---|
| 813 | if (does_case)
|
---|
| 814 | {
|
---|
| 815 | modified = true;
|
---|
| 816 | c = cases[i];
|
---|
| 817 | }
|
---|
| 818 | if (does_stem)
|
---|
| 819 | {
|
---|
| 820 | modified = true;
|
---|
| 821 | s = stems[i];
|
---|
| 822 | }
|
---|
| 823 | if (does_accent)
|
---|
| 824 | {
|
---|
| 825 | modified = true;
|
---|
| 826 | a = accents[i];
|
---|
| 827 | }
|
---|
| 828 | if (modified)
|
---|
| 829 | {
|
---|
| 830 | q = addStemOptions(q, s, c, a);
|
---|
| 831 | }
|
---|
| 832 | addQueryElem(final_query, q, fields[i], combine);
|
---|
| 833 | }
|
---|
[13238] | 834 | }
|
---|
[24856] | 835 | return final_query.toString();
|
---|
[13238] | 836 | }
|
---|
| 837 |
|
---|
[24856] | 838 | abstract protected void addQueryElem(StringBuffer final_query, String query, String field, String combine);
|
---|
[13238] | 839 |
|
---|
[24856] | 840 | abstract protected String addStemOptions(String query, String stem, String casef, String accent);
|
---|
| 841 |
|
---|
| 842 | }
|
---|