mirror of
https://github.com/yacy/yacy_search_server.git
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155 lines
9.3 KiB
Java
155 lines
9.3 KiB
Java
// yacysearch_location.java
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// -----------------------
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// (C) 2010 by Michael Peter Christen; mc@yacy.net
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// first published 09.05.2010 in Frankfurt, Germany on http://yacy.net
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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.Date;
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import java.util.Set;
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import java.util.concurrent.BlockingQueue;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.concurrent.TimeUnit;
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import net.yacy.cora.document.feed.RSSMessage;
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import net.yacy.cora.federate.opensearch.SRURSSConnector;
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import net.yacy.cora.geo.GeoLocation;
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import net.yacy.cora.protocol.ClientIdentification;
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import net.yacy.cora.protocol.Domains;
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import net.yacy.cora.protocol.HeaderFramework;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.document.LibraryProvider;
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import net.yacy.search.Switchboard;
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import net.yacy.search.SwitchboardConstants;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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public class yacysearch_location {
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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final Switchboard sb = (Switchboard) env;
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final serverObjects prop = new serverObjects();
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prop.put("kml", 0);
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if (header.get(HeaderFramework.CONNECTION_PROP_EXT, "").equals("kml") ||
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header.get(HeaderFramework.CONNECTION_PROP_EXT, "").equals("xml") ||
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header.get(HeaderFramework.CONNECTION_PROP_EXT, "").equals("rss")
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) {
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// generate a kml output page
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prop.put("kml", 1);
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if (post == null) return prop;
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final String query = post.get("query", "");
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final boolean search_query = post.get("dom", "").indexOf("location",0) >= 0;
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final boolean metatag = post.get("dom", "").indexOf("metatag",0) >= 0;
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final boolean alltext = post.get("dom", "").indexOf("alltext",0) >= 0;
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final boolean search_title = alltext || post.get("dom", "").indexOf("title",0) >= 0;
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final boolean search_publisher = alltext || post.get("dom", "").indexOf("publisher",0) >= 0;
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final boolean search_creator = alltext || post.get("dom", "").indexOf("creator",0) >= 0;
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final boolean search_subject = alltext || post.get("dom", "").indexOf("subject",0) >= 0;
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final long maximumTime = post.getLong("maximumTime", 5000);
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final int maximumRecords = post.getInt("maximumRecords", 6000);
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final double lon = post.getDouble("lon", 0.0d);
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final double lat = post.getDouble("lat", 0.0d);
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final double radius = post.getDouble("r", 0.0d);
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//i.e. http://localhost:8090/yacysearch_location.kml?query=berlin&maximumTime=2000&maximumRecords=100
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int placemarkCounter = 0;
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if (query.length() > 0 && search_query) {
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final Set<GeoLocation> locations = LibraryProvider.geoLoc.find(query, true);
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for (final String qp: query.split(" ")) {
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locations.addAll(LibraryProvider.geoLoc.find(qp, true));
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}
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for (final GeoLocation location: locations) {
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// write for all locations a point to this message
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prop.put("kml_placemark_" + placemarkCounter + "_location", location.getName());
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prop.put("kml_placemark_" + placemarkCounter + "_name", location.getName());
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prop.put("kml_placemark_" + placemarkCounter + "_author", "");
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prop.put("kml_placemark_" + placemarkCounter + "_copyright", "");
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prop.put("kml_placemark_" + placemarkCounter + "_subject", "");
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prop.put("kml_placemark_" + placemarkCounter + "_description", "");
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prop.put("kml_placemark_" + placemarkCounter + "_date", "");
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prop.putXML("kml_placemark_" + placemarkCounter + "_url", "http://" + sb.peers.mySeed().getPublicAddress() + "/yacysearch.html?query=" + location.getName());
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prop.put("kml_placemark_" + placemarkCounter + "_pointname", location.getName());
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prop.put("kml_placemark_" + placemarkCounter + "_lon", location.lon());
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prop.put("kml_placemark_" + placemarkCounter + "_lat", location.lat());
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placemarkCounter++;
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}
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}
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if (query.length() > 0 && (metatag || search_title || search_publisher || search_creator || search_subject)) try {
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// get a queue of search results
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final String rssSearchServiceURL = "http://127.0.0.1:" + sb.getConfig("port", "8090") + "/yacysearch.rss";
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final BlockingQueue<RSSMessage> results = new LinkedBlockingQueue<RSSMessage>();
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SRURSSConnector.searchSRURSS(results, rssSearchServiceURL, lon == 0.0d && lat == 0.0d ? query : query + " /radius/" + lat + "/" + lon + "/" + radius, maximumTime, Integer.MAX_VALUE, null, false, ClientIdentification.yacyInternetCrawlerAgent);
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// take the results and compute some locations
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RSSMessage message;
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loop: while ((message = results.poll(maximumTime, TimeUnit.MILLISECONDS)) != RSSMessage.POISON) {
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if (message == null) break loop;
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prop.put("kml_placemark_" + placemarkCounter + "_location", message.getTitle());
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prop.put("kml_placemark_" + placemarkCounter + "_name", message.getTitle());
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prop.put("kml_placemark_" + placemarkCounter + "_author", message.getAuthor());
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prop.put("kml_placemark_" + placemarkCounter + "_copyright", message.getCopyright());
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prop.put("kml_placemark_" + placemarkCounter + "_subject", message.getSubject());
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prop.put("kml_placemark_" + placemarkCounter + "_description", message.getDescriptions().size() > 0 ? message.getDescriptions().get(0) : "");
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prop.put("kml_placemark_" + placemarkCounter + "_date", message.getPubDate());
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prop.putXML("kml_placemark_" + placemarkCounter + "_url", message.getLink());
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prop.put("kml_placemark_" + placemarkCounter + "_pointname", message.getTitle());
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prop.put("kml_placemark_" + placemarkCounter + "_lon", message.getLon());
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prop.put("kml_placemark_" + placemarkCounter + "_lat", message.getLat());
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placemarkCounter++;
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if (placemarkCounter >= maximumRecords) break loop;
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}
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} catch (final InterruptedException e) {}
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prop.put("kml_placemark", placemarkCounter);
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}
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if (header.get(HeaderFramework.CONNECTION_PROP_EXT, "").equals("rss")) {
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if (post == null) return prop;
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String promoteSearchPageGreeting = env.getConfig(SwitchboardConstants.GREETING, "");
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if (env.getConfigBool(SwitchboardConstants.GREETING_NETWORK_NAME, false)) promoteSearchPageGreeting = env.getConfig("network.unit.description", "");
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String hostName = header.get("Host", Domains.LOCALHOST);
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if (hostName.indexOf(':',0) == -1) hostName += ":" + env.getConfig("port", "8090");
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final String originalquerystring = (post == null) ? "" : post.get("query", post.get("search", "")).trim(); // SRU compliance
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final boolean global = post.get("kml_resource", "local").equals("global");
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prop.put("kml_date822", HeaderFramework.formatRFC1123(new Date()));
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prop.put("kml_promoteSearchPageGreeting", promoteSearchPageGreeting);
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prop.put("kml_rssYacyImageURL", "http://" + hostName + "/env/grafics/yacy.png");
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prop.put("kml_searchBaseURL", "http://" + hostName + "/yacysearch_location.rss");
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prop.putXML("kml_rss_query", originalquerystring);
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prop.put("kml_rss_queryenc", originalquerystring.replace(' ', '+'));
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prop.put("kml_resource", global ? "global" : "local");
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prop.put("kml_contentdom", (post == null ? "text" : post.get("contentdom", "text")));
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prop.put("kml_verify", (post == null) ? "true" : post.get("verify", "true"));
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}
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if (header.get(HeaderFramework.CONNECTION_PROP_EXT, "").equals("html")) {
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prop.put("topmenu", sb.getConfigBool("publicTopmenu", true) ? 1 : 0);
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prop.put("promoteSearchPageGreeting", sb.getConfig(SwitchboardConstants.GREETING, ""));
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if (post == null || post.get("query") == null) {
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prop.put("initsearch", 0);
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} else {
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prop.put("initsearch", 1);
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prop.put("initsearch_query", post.get("query"));
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}
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}
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// return rewrite properties
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return prop;
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}
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}
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