1 | /**
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2 | *#########################################################################
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3 | *
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4 | * A component of the Gatherer application, part of the Greenstone digital
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5 | * library suite from the New Zealand Digital Library Project at the
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6 | * University of Waikato, New Zealand.
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7 | *
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8 | * Copyright (C) 2022 New Zealand Digital Library Project
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9 | *
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10 | * This program is free software; you can redistribute it and/or modify
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11 | * it under the terms of the GNU General Public License as published by
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12 | * the Free Software Foundation; either version 2 of the License, or
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13 | * (at your option) any later version.
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14 | *
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15 | * This program is distributed in the hope that it will be useful,
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | * GNU General Public License for more details.
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19 | *
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20 | * You should have received a copy of the GNU General Public License
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21 | * along with this program; if not, write to the Free Software
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22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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23 | *########################################################################
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24 | */
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25 | package org.greenstone.gatherer.cdm;
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26 |
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27 | import java.util.ArrayList;
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28 | import org.greenstone.gatherer.util.StaticStrings;
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29 | import org.w3c.dom.Element;
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30 |
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31 | /** This class encapsulates a sort field - used by Lucene and SOLR
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32 | It basically is an index, with a different field name */
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33 |
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34 | public class SortField extends Index {
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35 |
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36 | static final String sortfield_element = StaticStrings.SORT_ELEMENT;
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37 | protected String default_sortfield_element = StaticStrings.SORT_DEFAULT_ELEMENT;
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38 |
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39 | public SortField() {
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40 | }
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41 |
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42 | public SortField(Element element) {
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43 | super(element);
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44 | }
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45 | public SortField(ArrayList sources) {
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46 | super(sources);
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47 | }
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48 |
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49 | protected String getElementName() {
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50 | return sortfield_element;
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51 | }
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52 |
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53 | protected String getDefaultElementName() {
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54 | return default_sortfield_element;
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55 | }
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56 |
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57 | public DOMProxyListEntry create(Element element) {
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58 | return new SortField(element);
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59 | }
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60 |
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61 | public DOMProxyListEntry create(ArrayList sources) {
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62 | return new SortField(sources);
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63 | }
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64 | }
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