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198 lines
9.9 KiB
198 lines
9.9 KiB
// yacysearchitem.java
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// (C) 2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 28.08.2007 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// LICENSE
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import java.util.Iterator;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.cora.storage.StaticScore;
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import net.yacy.kelondro.util.EventTracker;
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import de.anomic.data.LibraryProvider;
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import de.anomic.search.QueryParams;
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import de.anomic.search.SearchEvent;
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import de.anomic.search.SearchEventCache;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.yacy.graphics.ProfilingGraph;
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public class yacysearchtrailer {
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private static final int MAX_TOPWORDS = 12;
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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final serverObjects prop = new serverObjects();
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final String eventID = post.get("eventID", "");
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final int display = post.getInt("display", 0);
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// find search event
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final SearchEvent theSearch = SearchEventCache.getEvent(eventID);
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if (theSearch == null) {
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// the event does not exist, show empty page
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return prop;
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}
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final QueryParams theQuery = theSearch.getQuery();
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// compose search navigation
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// namespace navigators
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StaticScore<String> namespaceNavigator = theSearch.getNamespaceNavigator();
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String name;
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int count;
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Iterator<String> navigatorIterator;
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if (namespaceNavigator == null || namespaceNavigator.isEmpty()) {
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prop.put("nav-namespace", 0);
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} else {
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prop.put("nav-namespace", 1);
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navigatorIterator = namespaceNavigator.keys(false);
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int i = 0;
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while (i < 10 && navigatorIterator.hasNext()) {
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name = navigatorIterator.next();
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count = namespaceNavigator.get(name);
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prop.putJSON("nav-namespace_element_" + i + "_name", name);
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prop.put("nav-namespace_element_" + i + "_url", "<a href=\"" + QueryParams.navurl("html", 0, display, theQuery, theQuery.queryStringForUrl() + "+" + "inurl:" + name, theQuery.urlMask.toString(), theQuery.navigators) + "\">" + name + " (" + count + ")</a>");
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prop.putJSON("nav-namespace_element_" + i + "_url-json", QueryParams.navurl("json", 0, display, theQuery, theQuery.queryStringForUrl() + "+" + "inurl:" + name, theQuery.urlMask.toString(), theQuery.navigators));
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prop.put("nav-namespace_element_" + i + "_count", count);
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prop.put("nav-namespace_element_" + i + "_modifier", "inurl:" + name);
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prop.put("nav-namespace_element_" + i + "_nl", 1);
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i++;
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}
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i--;
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prop.put("nav-namespace_element_" + i + "_nl", 0);
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prop.put("nav-namespace_element", i);
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}
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// host navigators
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StaticScore<String> hostNavigator = theSearch.getHostNavigator();
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if (hostNavigator == null || hostNavigator.isEmpty()) {
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prop.put("nav-domains", 0);
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} else {
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prop.put("nav-domains", 1);
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navigatorIterator = hostNavigator.keys(false);
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int i = 0;
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while (i < 20 && navigatorIterator.hasNext()) {
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name = navigatorIterator.next();
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count = hostNavigator.get(name);
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prop.putJSON("nav-domains_element_" + i + "_name", name);
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prop.put("nav-domains_element_" + i + "_url", "<a href=\"" + QueryParams.navurl("html", 0, display, theQuery, theQuery.queryStringForUrl() + "+" + "site:" + name, theQuery.urlMask.toString(), theQuery.navigators) + "\">" + name + " (" + count + ")</a>");
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prop.putJSON("nav-domains_element_" + i + "_url-json", QueryParams.navurl("json", 0, display, theQuery, theQuery.queryStringForUrl() + "+" + "site:" + name, theQuery.urlMask.toString(), theQuery.navigators));
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prop.put("nav-domains_element_" + i + "_count", count);
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prop.put("nav-domains_element_" + i + "_modifier", "site:" + name);
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prop.put("nav-domains_element_" + i + "_nl", 1);
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i++;
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}
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i--;
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prop.put("nav-domains_element_" + i + "_nl", 0);
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prop.put("nav-domains_element", i);
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}
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// author navigators
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StaticScore<String> authorNavigator = theSearch.getAuthorNavigator();
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if (authorNavigator == null || authorNavigator.isEmpty()) {
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prop.put("nav-authors", 0);
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} else {
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prop.put("nav-authors", 1);
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navigatorIterator = authorNavigator.keys(false);
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int i = 0;
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String anav;
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while (i < 20 && navigatorIterator.hasNext()) {
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name = navigatorIterator.next().trim();
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count = authorNavigator.get(name);
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anav = (name.indexOf(' ') < 0) ? "author:" + name : "author:'" + name.replace(" ", "+") + "'";
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prop.putJSON("nav-authors_element_" + i + "_name", name);
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prop.put("nav-authors_element_" + i + "_url", "<a href=\"" + QueryParams.navurl("html", 0, display, theQuery, theQuery.queryStringForUrl() + "+" + anav, theQuery.urlMask.toString(), theQuery.navigators) + "\">" + name + " (" + count + ")</a>");
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prop.putJSON("nav-authors_element_" + i + "_url-json", QueryParams.navurl("json", 0, display, theQuery, theQuery.queryStringForUrl() + "+" + anav, theQuery.urlMask.toString(), theQuery.navigators));
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prop.put("nav-authors_element_" + i + "_count", count);
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prop.put("nav-authors_element_" + i + "_modifier", "author:'" + name + "'");
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prop.put("nav-authors_element_" + i + "_nl", 1);
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i++;
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}
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i--;
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prop.put("nav-authors_element_" + i + "_nl", 0);
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prop.put("nav-authors_element", i);
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}
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// topics navigator
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StaticScore<String> topicNavigator = theSearch.getTopicNavigator(MAX_TOPWORDS);
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if (topicNavigator == null || topicNavigator.isEmpty()) {
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prop.put("nav-topics", "0");
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} else {
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prop.put("nav-topics", "1");
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navigatorIterator = topicNavigator.keys(false);
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int i = 0;
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while (i < MAX_TOPWORDS && navigatorIterator.hasNext()) {
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name = navigatorIterator.next();
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count = topicNavigator.get(name);
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if (/*(theQuery == null) ||*/ (theQuery.queryString == null)) break;
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if (name != null) {
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prop.putJSON("nav-topics_element_" + i + "_name", name);
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prop.put("nav-topics_element_" + i + "_url",
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"<a href=\"" + QueryParams.navurl("html", 0, display, theQuery, theQuery.queryStringForUrl() + "+" + name, theQuery.urlMask.toString(), theQuery.navigators) + "\">" + name + "</a>");
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//+"<a href=\"" + QueryParams.navurl("html", 0, display, theQuery, theQuery.queryStringForUrl() + "+-" + name, theQuery.urlMask.toString(), theQuery.navigators) + "\">-</a>")*/;
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prop.putJSON("nav-topics_element_" + i + "_url-json", QueryParams.navurl("json", 0, display, theQuery, theQuery.queryStringForUrl() + "+" + name, theQuery.urlMask.toString(), theQuery.navigators));
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prop.put("nav-topics_element_" + i + "_count", count);
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prop.put("nav-topics_element_" + i + "_modifier", name);
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prop.put("nav-topics_element_" + i + "_nl", 1);
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i++;
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}
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}
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i--;
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prop.put("nav-topics_element_" + i + "_nl", 0);
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prop.put("nav-topics_element", i);
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}
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// about box
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String aboutBody = env.getConfig("about.body", "");
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String aboutHeadline = env.getConfig("about.headline", "");
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if ((aboutBody.length() == 0 && aboutHeadline.length() == 0) ||
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theSearch.getRankingResult().getLocalIndexCount() - theSearch.getRankingResult().getMissCount() + theSearch.getRankingResult().getRemoteIndexCount() == 0) {
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prop.put("nav-about", 0);
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} else {
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prop.put("nav-about", 1);
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prop.put("nav-about_headline", aboutHeadline);
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prop.put("nav-about_body", aboutBody);
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}
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// category: location search
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// show only if there is a location database present and if there had been any search results
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if (LibraryProvider.geoLoc.locations() == 0 ||
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theSearch.getRankingResult().getLocalIndexCount() == 0) {
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prop.put("cat-location", 0);
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} else {
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prop.put("cat-location", 1);
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prop.put("cat-location_query", theQuery.queryString(true));
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prop.put("cat-location_queryenc", theQuery.queryString(true).replace(' ', '+'));
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prop.put("cat-location_display", display);
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}
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EventTracker.update(EventTracker.EClass.SEARCH, new ProfilingGraph.searchEvent(theQuery.id(true), SearchEvent.Type.FINALIZATION, "bottomline", 0, 0), false);
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return prop;
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}
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}
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