// (C) 2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
// first published 28.08.2007 on http://yacy.net
//
// This is a part of YaCy, a peer-to-peer based web search engine
//
// LICENSE
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.text.ParseException;
import java.util.AbstractMap;
import java.util.Date;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Map;
import org.apache.solr.util.DateFormatUtil;
import net.yacy.cora.date.AbstractFormatter;
import net.yacy.cora.document.analysis.Classification.ContentDomain;
import net.yacy.cora.document.id.MultiProtocolURL;
import net.yacy.cora.lod.vocabulary.Tagging;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.cora.sorting.ScoreMap;
import net.yacy.document.DateDetection;
import net.yacy.document.LibraryProvider;
import net.yacy.kelondro.util.ISO639;
import net.yacy.peers.graphics.ProfilingGraph;
import net.yacy.search.EventTracker;
import net.yacy.search.Switchboard;
import net.yacy.search.SwitchboardConstants;
import net.yacy.search.navigator.Navigator;
import net.yacy.search.query.QueryParams;
import net.yacy.search.query.SearchEvent;
import net.yacy.search.query.SearchEventCache;
import net.yacy.search.query.SearchEventType;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;
public class yacysearchtrailer {
private static final int TOPWORDS_MAXCOUNT = 16;
private static final int TOPWORDS_MINSIZE = 8;
private static final int TOPWORDS_MAXSIZE = 22;
@SuppressWarnings({ })
public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
final serverObjects prop = new serverObjects();
final Switchboard sb = (Switchboard) env;
final String eventID = post.get("eventID", "");
final boolean authorized = sb.verifyAuthentication(header);
final boolean clustersearch = sb.isRobinsonMode() && sb.getConfig(SwitchboardConstants.CLUSTER_MODE, "").equals(SwitchboardConstants.CLUSTER_MODE_PUBLIC_CLUSTER);
final boolean indexReceiveGranted = sb.getConfigBool(SwitchboardConstants.INDEX_RECEIVE_ALLOW_SEARCH, true) || clustersearch;
boolean p2pmode = sb.peers != null && sb.peers.sizeConnected() > 0 && indexReceiveGranted;
boolean global = post == null || (!post.get("resource-switch", post.get("resource", "global")).equals("local") && p2pmode);
boolean stealthmode = p2pmode && !global;
prop.put("resource-select", !authorized ? 0 : stealthmode ? 2 : global ? 1 : 0);
// find search event
final SearchEvent theSearch = SearchEventCache.getEvent(eventID);
if (theSearch == null) {
// the event does not exist, show empty page
return prop;
}
final RequestHeader.FileType fileType = header.fileType();
// compose search navigation
ContentDomain contentdom = theSearch.getQuery().contentdom;
prop.put("searchdomswitches",
sb.getConfigBool("search.text", true)
|| sb.getConfigBool("search.audio", true)
|| sb.getConfigBool("search.video", true)
|| sb.getConfigBool("search.image", true)
|| sb.getConfigBool("search.app", true) ? 1 : 0);
prop.put("searchdomswitches_searchtext", sb.getConfigBool("search.text", true) ? 1 : 0);
prop.put("searchdomswitches_searchaudio", sb.getConfigBool("search.audio", true) ? 1 : 0);
prop.put("searchdomswitches_searchvideo", sb.getConfigBool("search.video", true) ? 1 : 0);
prop.put("searchdomswitches_searchimage", sb.getConfigBool("search.image", true) ? 1 : 0);
prop.put("searchdomswitches_searchapp", sb.getConfigBool("search.app", true) ? 1 : 0);
prop.put("searchdomswitches_searchtext_check", (contentdom == ContentDomain.TEXT || contentdom == ContentDomain.ALL) ? "1" : "0");
prop.put("searchdomswitches_searchaudio_check", (contentdom == ContentDomain.AUDIO) ? "1" : "0");
prop.put("searchdomswitches_searchvideo_check", (contentdom == ContentDomain.VIDEO) ? "1" : "0");
prop.put("searchdomswitches_searchimage_check", (contentdom == ContentDomain.IMAGE) ? "1" : "0");
prop.put("searchdomswitches_searchapp_check", (contentdom == ContentDomain.APP) ? "1" : "0");
String name;
int count;
Iterator<String> navigatorIterator;
// language navigators
final ScoreMap<String> languageNavigator = theSearch.languageNavigator;
if (languageNavigator == null || languageNavigator.isEmpty()) {
prop.put("nav-languages", 0);
} else {
prop.put("nav-languages", 1);
navigatorIterator = languageNavigator.keys(false);
int i = 0, pos = 0, neg = 0;
String nav, rawNav;
while (i < QueryParams.FACETS_STANDARD_MAXCOUNT && navigatorIterator.hasNext()) {
name = navigatorIterator.next();
count = languageNavigator.get(name);
if (count == 0) break;
nav = "%2Flanguage%2F" + name;
/* Avoid double percent encoding in QueryParams.navurl */
rawNav = "/language/" + name;
if (theSearch.query.modifier.language == null || !theSearch.query.modifier.language.contains(name)) {
pos++;
prop.put("nav-languages_element_" + i + "_on", 1);
prop.put(fileType, "nav-languages_element_" + i + "_modifier", nav);
} else {
neg++;
prop.put("nav-languages_element_" + i + "_on", 0);
prop.put(fileType, "nav-languages_element_" + i + "_modifier", "-" + nav);
nav="";
rawNav = "";
}
String longname = ISO639.country(name);
prop.put(fileType, "nav-languages_element_" + i + "_name", longname == null ? name : longname);
prop.put(fileType, "nav-languages_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString());
prop.put(fileType, "nav-languages_element_" + i + "_id", "languages_" + i);
prop.put("nav-languages_element_" + i + "_count", count);
prop.put("nav-languages_element_" + i + "_nl", 1);
i++;
}
prop.put("nav-languages_element", i);
prop.put("nav-languages_count", i);
i--;
prop.put("nav-languages_element_" + i + "_nl", 0);
if (pos == 1 && neg == 0) prop.put("nav-languages", 0); // this navigation is not useful
}
// topics navigator
final ScoreMap<String> topicNavigator = theSearch.getTopicNavigator(TOPWORDS_MAXCOUNT);
if (topicNavigator == null || topicNavigator.isEmpty()) {
prop.put("nav-topics", "0");
} else {
prop.put("nav-topics", "1");
navigatorIterator = topicNavigator.keys(false);
int i = 0;
// first sort the list to a form where the greatest element is in the middle
LinkedList<Map.Entry<String, Integer>> cloud = new LinkedList<Map.Entry<String, Integer>>();
int mincount = Integer.MAX_VALUE; int maxcount = 0;
while (i < TOPWORDS_MAXCOUNT && navigatorIterator.hasNext()) {
name = navigatorIterator.next();
count = topicNavigator.get(name);
if (count == 0) break;
if (name == null) continue;
int normcount = (count + TOPWORDS_MAXCOUNT - i) / 2;
if (normcount > maxcount) maxcount = normcount;
if (normcount < mincount) mincount = normcount;
Map.Entry<String, Integer> entry = new AbstractMap.SimpleEntry<String, Integer>(name, normcount);
if (cloud.size() % 2 == 0) cloud.addFirst(entry); else cloud.addLast(entry); // alternating add entry to first or last position.
i++;
}
i= 0;
for (Map.Entry<String, Integer> entry: cloud) {
name = entry.getKey();
count = entry.getValue();
prop.put(fileType, "nav-topics_element_" + i + "_modifier", name);
prop.put(fileType, "nav-topics_element_" + i + "_name", name);
prop.put(fileType, "nav-topics_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, name, false).toString());
prop.put("nav-topics_element_" + i + "_count", count);
int fontsize = TOPWORDS_MINSIZE + (TOPWORDS_MAXSIZE - TOPWORDS_MINSIZE) * (count - mincount) / (1 + maxcount - mincount);
fontsize = Math.max(TOPWORDS_MINSIZE, fontsize - (name.length() - 5));
prop.put("nav-topics_element_" + i + "_size", fontsize); // font size in pixel
prop.put("nav-topics_element_" + i + "_nl", 1);
i++;
}
prop.put("nav-topics_element", i);
prop.put("nav-topics_count", i);
i--;
prop.put("nav-topics_element_" + i + "_nl", 0);
}
// protocol navigators
if (theSearch.protocolNavigator == null || theSearch.protocolNavigator.isEmpty()) {
prop.put("nav-protocols", 0);
} else {
prop.put("nav-protocols", 1);
//int httpCount = theSearch.protocolNavigator.delete("http");
//int httpsCount = theSearch.protocolNavigator.delete("https");
//theSearch.protocolNavigator.inc("http(s)", httpCount + httpsCount);
navigatorIterator = theSearch.protocolNavigator.keys(false);
int i = 0, pos = 0, neg = 0;
String nav, rawNav;
String oldQuery = theSearch.query.getQueryGoal().query_original; // prepare hack to make radio-button like navigation
String oldProtocolModifier = theSearch.query.modifier.protocol;
if (oldProtocolModifier != null && oldProtocolModifier.length() > 0) {theSearch.query.modifier.remove("/" + oldProtocolModifier); theSearch.query.modifier.remove(oldProtocolModifier);}
theSearch.query.modifier.protocol = "";
theSearch.query.getQueryGoal().query_original = oldQuery.replaceAll(" /https", "").replaceAll(" /http", "").replaceAll(" /ftp", "").replaceAll(" /smb", "").replaceAll(" /file", "");
while (i < QueryParams.FACETS_STANDARD_MAXCOUNT && navigatorIterator.hasNext()) {
name = navigatorIterator.next().trim();
count = theSearch.protocolNavigator.get(name);
if (count == 0) break;
nav = "%2F" + name;
/* Avoid double percent encoding in QueryParams.navurl */
rawNav = "/" + name;
if (oldProtocolModifier == null || !oldProtocolModifier.equals(name)) {
pos++;
prop.put("nav-protocols_element_" + i + "_on", 0);
prop.put("nav-protocols_element_" + i + "_onclick", 0);
prop.put(fileType, "nav-protocols_element_" + i + "_modifier", nav);
} else {
neg++;
prop.put("nav-protocols_element_" + i + "_on", 1);
prop.put("nav-protocols_element_" + i + "_onclick", 1);
prop.put(fileType, "nav-protocols_element_" + i + "_modifier", "-" + nav);
nav="";
rawNav = "";
}
prop.put(fileType, "nav-protocols_element_" + i + "_name", name);
String url = QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString();
prop.put("nav-protocols_element_" + i + "_onclick_url", url);
prop.put(fileType, "nav-protocols_element_" + i + "_url", url);
prop.put("nav-protocols_element_" + i + "_count", count);
prop.put("nav-protocols_element_" + i + "_nl", 1);
i++;
}
if (i == 1) prop.put("nav-protocols_element_0_onclick", 0); // allow to unselect, if only one button
theSearch.query.modifier.protocol = oldProtocolModifier;
if (oldProtocolModifier != null && oldProtocolModifier.length() > 0) theSearch.query.modifier.add(oldProtocolModifier.startsWith("/") ? oldProtocolModifier : "/" + oldProtocolModifier);
theSearch.query.getQueryGoal().query_original = oldQuery;
prop.put("nav-protocols_element", i);
prop.put("nav-protocols_count", i);
i--;
prop.put("nav-protocols_element_" + i + "_nl", 0);
if (pos == 1 && neg == 0) prop.put("nav-protocols", 0); // this navigation is not useful
}
// date navigators
if (theSearch.dateNavigator == null || theSearch.dateNavigator.isEmpty()) {
prop.put("nav-dates", 0);
} else {
prop.put("nav-dates", 1);
navigatorIterator = theSearch.dateNavigator.iterator(); // this iterator is different as it iterates by the key order (which is a date order)
int i = 0, pos = 0, neg = 0;
long dx = -1;
Date fromconstraint = theSearch.getQuery().modifier.from == null ? null : DateDetection.parseLine(theSearch.getQuery().modifier.from, theSearch.getQuery().timezoneOffset);
if (fromconstraint == null) fromconstraint = new Date(System.currentTimeMillis() - AbstractFormatter.normalyearMillis);
Date toconstraint = theSearch.getQuery().modifier.to == null ? null : DateDetection.parseLine(theSearch.getQuery().modifier.to, theSearch.getQuery().timezoneOffset);
if (toconstraint == null) toconstraint = new Date(System.currentTimeMillis() + AbstractFormatter.normalyearMillis);
while (i < QueryParams.FACETS_DATE_MAXCOUNT && navigatorIterator.hasNext()) {
name = navigatorIterator.next().trim();
if (name.length() < 10) continue;
count = theSearch.dateNavigator.get(name);
String shortname = name.substring(0, 10);
long d;
Date dd;
try {dd = DateFormatUtil.parseDate(name); d = dd.getTime();} catch (ParseException e) {continue;}
if (fromconstraint != null && dd.before(fromconstraint)) continue;
if (toconstraint != null && dd.after(toconstraint)) break;
if (dx > 0) {
while (d - dx > AbstractFormatter.dayMillis) {
dx += AbstractFormatter.dayMillis;
String sn = DateFormatUtil.formatExternal(new Date(dx)).substring(0, 10);
prop.put("nav-dates_element_" + i + "_on", 0);
prop.put(fileType, "nav-dates_element_" + i + "_name", sn);
prop.put("nav-dates_element_" + i + "_count", 0);
prop.put("nav-dates_element_" + i + "_nl", 1);
i++;
}
}
dx = d;
if (theSearch.query.modifier.on == null || !theSearch.query.modifier.on.contains(shortname) ) {
pos++;
prop.put("nav-dates_element_" + i + "_on", 1);
} else {
neg++;
prop.put("nav-dates_element_" + i + "_on", 0);
}
prop.put(fileType, "nav-dates_element_" + i + "_name", shortname);
prop.put("nav-dates_element_" + i + "_count", count);
prop.put("nav-dates_element_" + i + "_nl", 1);
i++;
}
prop.put("nav-dates_element", i);
prop.put("nav-dates_count", i);
i--;
prop.put("nav-dates_element_" + i + "_nl", 0);
if (pos == 1 && neg == 0) prop.put("nav-dates", 0); // this navigation is not useful
}
// vocabulary navigators
final Map<String, ScoreMap<String>> vocabularyNavigators = theSearch.vocabularyNavigator;
if (vocabularyNavigators != null && !vocabularyNavigators.isEmpty()) {
int navvoccount = 0;
vocnav: for (Map.Entry<String, ScoreMap<String>> ve: vocabularyNavigators.entrySet()) {
String navname = ve.getKey();
if (ve.getValue() == null || ve.getValue().isEmpty()) {
continue vocnav;
}
prop.put(fileType, "nav-vocabulary_" + navvoccount + "_navname", navname);
navigatorIterator = ve.getValue().keys(false);
int i = 0;
String nav, rawNav;
while (i < 20 && navigatorIterator.hasNext()) {
name = navigatorIterator.next();
count = ve.getValue().get(name);
if (count == 0) break;
nav = "%2Fvocabulary%2F" + navname + "%2F" + MultiProtocolURL.escape(Tagging.encodePrintname(name)).toString();
/* Avoid double percent encoding in QueryParams.navurl */
rawNav = "/vocabulary/" + navname + "/" + MultiProtocolURL.escape(Tagging.encodePrintname(name)).toString();
if (!theSearch.query.modifier.toString().contains("/vocabulary/" + navname + "/" + name.replace(' ', '_'))) {
prop.put("nav-vocabulary_" + navvoccount + "_element_" + i + "_on", 1);
prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_modifier", nav);
} else {
prop.put("nav-vocabulary_" + navvoccount + "_element_" + i + "_on", 0);
prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_modifier", "-" + nav);
nav="";
rawNav = "";
}
prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_name", name);
prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString());
prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_id", "vocabulary_" + navname + "_" + i);
prop.put("nav-vocabulary_" + navvoccount + "_element_" + i + "_count", count);
prop.put("nav-vocabulary_" + navvoccount + "_element_" + i + "_nl", 1);
i++;
}
prop.put("nav-vocabulary_" + navvoccount + "_element", i);
prop.put("nav-vocabulary_" + navvoccount + "_count", i);
i--;
prop.put("nav-vocabulary_" + navvoccount + "_element_" + i + "_nl", 0);
navvoccount++;
}
prop.put("nav-vocabulary", navvoccount);
} else {
prop.put("nav-vocabulary", 0);
}
// navigator plugins
int ni = 0;
for (String naviname : theSearch.navigatorPlugins.keySet()) {
Navigator navi = theSearch.navigatorPlugins.get(naviname);
if (navi.isEmpty()) {
continue;
}
prop.put("navs_" + ni + "_displayname", navi.getDisplayName());
prop.put("navs_" + ni + "_name", naviname);
prop.put("navs_" + ni + "_count", navi.size());
navigatorIterator = navi.keys(false);
int i = 0, pos = 0, neg = 0;
String nav, rawNav;
while (i < QueryParams.FACETS_STANDARD_MAXCOUNT && navigatorIterator.hasNext()) {
name = navigatorIterator.next();
count = navi.get(name);
if (count == 0) {
break;
}
rawNav = navi.getQueryModifier(name);
try {
nav = URLEncoder.encode(rawNav, StandardCharsets.UTF_8.name());
} catch (UnsupportedEncodingException ex) {
nav = "";
}
boolean isactive = navi.modifieractive(theSearch.query.modifier, name);
if (!isactive) {
pos++;
prop.put("navs_" + ni + "_element_" + i + "_on", 1);
prop.put(fileType, "navs_" + ni + "_element_" + i + "_modifier", nav);
} else {
neg++;
prop.put("navs_" + ni + "_element_" + i + "_on", 0);
prop.put(fileType, "navs_" + ni + "_element_" + i + "_modifier", "-" + nav);
nav = "";
rawNav = "";
}
prop.put(fileType, "navs_" + ni + "_element_" + i + "_name", navi.getElementDisplayName(name));
prop.put(fileType, "navs_" + ni + "_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString());
prop.put(fileType, "navs_" + ni + "_element_" + i + "_id", naviname + "_" + i);
prop.put("navs_" + ni + "_element_" + i + "_count", count);
prop.put("navs_" + ni + "_element_" + i + "_nl", 1);
i++;
}
prop.put("navs_" + ni + "_element", i);
prop.put("navs_" + ni + "_count", i);
i--;
prop.put("navs_" + ni + "_element_" + i + "_nl", 0);
if (pos == 1 && neg == 0) {
prop.put("navs_" + ni, 0); // this navigation is not useful
}
ni++;
}
prop.put("navs", ni); // navigatior plugins - eof
// about box
final String aboutBody = env.getConfig("about.body", "");
final String aboutHeadline = env.getConfig("about.headline", "");
if ((aboutBody.isEmpty() && aboutHeadline.isEmpty()) || theSearch.getResultCount() == 0) {
prop.put("nav-about", 0);
} else {
prop.put("nav-about", 1);
prop.put("nav-about_headline", aboutHeadline);
prop.put("nav-about_body", aboutBody);
}
// category: location search
// show only if active and there is a location database present or if there had been any search results (with lat/lon)
if (theSearch.locationNavigator == null
|| ((LibraryProvider.geoLoc.isEmpty() || theSearch.getResultCount() == 0) && theSearch.locationNavigator.isEmpty())) {
prop.put("cat-location", 0);
} else {
prop.put("cat-location", 1);
final String query = theSearch.query.getQueryGoal().getQueryString(false);
prop.put(fileType, "cat-location_query", query);
final String queryenc = theSearch.query.getQueryGoal().getQueryString(true).replace(' ', '+');
prop.put(fileType, "cat-location_queryenc", queryenc);
}
prop.put("num-results_totalcount", theSearch.getResultCount());
EventTracker.update(EventTracker.EClass.SEARCH, new ProfilingGraph.EventSearch(theSearch.query.id(true), SearchEventType.FINALIZATION, "bottomline", 0, 0), false);
return prop;
}
}
//http://localhost:8090/yacysearch.html?query=java+&maximumRecords=10&resource=local&verify=cacheonly&nav=hosts,authors,namespace,topics,filetype,protocol&urlmaskfilter=ftp://.*&prefermaskfilter=&constraint=&contentdom=text&former=java+%2Fftp&startRecord=0
//http://localhost:8090/yacysearch.html?query=java+&maximumRecords=10&resource=local&verify=cacheonly&nav=hosts,authors,namespace,topics,filetype,protocol&urlmaskfilter=.*&prefermaskfilter=&constraint=&contentdom=text&former=java+%2Fvocabulary%2FGewerke%2FTore&startRecord=0