mirror of
https://github.com/yacy/yacy_search_server.git
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de58043205
results are generated within yjson result writer. This makes it possible to view images in yacyinteractive from solr.
344 lines
20 KiB
Java
344 lines
20 KiB
Java
// 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.net.MalformedURLException;
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import java.util.List;
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import net.yacy.cora.date.GenericFormatter;
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import net.yacy.cora.document.ASCII;
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import net.yacy.cora.document.RSSMessage;
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import net.yacy.cora.document.analysis.Classification;
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import net.yacy.cora.document.analysis.Classification.ContentDomain;
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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.cora.protocol.RequestHeader.FileType;
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import net.yacy.data.URLLicense;
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import net.yacy.kelondro.data.meta.DigestURI;
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import net.yacy.kelondro.logging.Log;
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import net.yacy.kelondro.util.Formatter;
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import net.yacy.peers.NewsPool;
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import net.yacy.peers.Seed;
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import net.yacy.peers.graphics.ProfilingGraph;
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import net.yacy.search.EventTracker;
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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.search.query.HeuristicResult;
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import net.yacy.search.query.QueryParams;
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import net.yacy.search.query.SearchEvent;
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import net.yacy.search.query.SearchEventCache;
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import net.yacy.search.query.SearchEventType;
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import net.yacy.search.snippet.ResultEntry;
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import net.yacy.search.snippet.TextSnippet;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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import net.yacy.utils.crypt;
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import net.yacy.utils.nxTools;
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public class yacysearchitem {
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private static final String SHORTEN_SUFFIX = "...";
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private static final int SHORTEN_SUFFIX_LENGTH = SHORTEN_SUFFIX.length();
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private static final int MAX_NAME_LENGTH = 60;
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private static final int MAX_URL_LENGTH = 120;
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//private static boolean col = true;
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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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final String eventID = post.get("eventID", "");
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final boolean authenticated = sb.adminAuthenticated(header) >= 2;
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final int item = post.getInt("item", -1);
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final boolean auth = Domains.isLocalhost(header.get(HeaderFramework.CONNECTION_PROP_CLIENTIP, "")) || sb.verifyAuthentication(header);
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final RequestHeader.FileType fileType = header.fileType();
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// default settings for blank item
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prop.put("content", "0");
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prop.put("rss", "0");
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prop.put("references", "0");
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prop.put("rssreferences", "0");
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prop.put("dynamic", "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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// dynamically update count values
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prop.put("offset", theSearch.query.neededResults() - theSearch.query.itemsPerPage() + 1);
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prop.put("itemscount", Formatter.number(Math.min((item < 0) ? theSearch.query.neededResults() : item + 1, theSearch.query.getResultCount())));
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prop.put("itemsperpage", Formatter.number(theSearch.query.itemsPerPage));
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prop.put("totalcount", Formatter.number(theSearch.query.getResultCount(), true));
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prop.put("localResourceSize", Formatter.number(theSearch.query.local_rwi_available.get() + theSearch.query.local_solr_available.get(), true));
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prop.put("localMissCount", Formatter.number(theSearch.query.misses.size(), true));
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prop.put("remoteResourceSize", Formatter.number(theSearch.query.remote_stored.get(), true));
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prop.put("remoteIndexCount", Formatter.number(theSearch.query.remote_available.get(), true));
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prop.put("remotePeerCount", Formatter.number(theSearch.query.remote_peerCount.get(), true));
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prop.put("navurlBase", QueryParams.navurlBase("html", theSearch.query, null).toString());
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final String target_special_pattern = sb.getConfig(SwitchboardConstants.SEARCH_TARGET_SPECIAL_PATTERN, "");
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if (theSearch.query.contentdom == Classification.ContentDomain.TEXT || theSearch.query.contentdom == Classification.ContentDomain.ALL) {
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// text search
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// generate result object
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final ResultEntry result = theSearch.oneResult(item, theSearch.query.isLocal() ? 1000 : 5000);
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if (result == null) return prop; // no content
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final String resultUrlstring = result.urlstring();
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final DigestURI resultURL = result.url();
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final String target = sb.getConfig(resultUrlstring.matches(target_special_pattern) ? SwitchboardConstants.SEARCH_TARGET_SPECIAL : SwitchboardConstants.SEARCH_TARGET_DEFAULT, "_self");
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final int port = resultURL.getPort();
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DigestURI faviconURL = null;
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if ((fileType == FileType.HTML || fileType == FileType.JSON) && !sb.isIntranetMode()) try {
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faviconURL = new DigestURI(resultURL.getProtocol() + "://" + resultURL.getHost() + ((port != -1) ? (":" + port) : "") + "/favicon.ico");
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} catch (final MalformedURLException e1) {
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Log.logException(e1);
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faviconURL = null;
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}
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final String resource = theSearch.query.domType.toString();
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final String origQ = theSearch.query.getQueryGoal().getOriginalQueryString(true);
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prop.put("content", 1); // switch on specific content
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prop.put("content_showDate", sb.getConfigBool("search.result.show.date", true) ? 1 : 0);
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prop.put("content_showSize", sb.getConfigBool("search.result.show.size", true) ? 1 : 0);
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prop.put("content_showMetadata", sb.getConfigBool("search.result.show.metadata", true) ? 1 : 0);
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prop.put("content_showParser", sb.getConfigBool("search.result.show.parser", true) ? 1 : 0);
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prop.put("content_showPictures", sb.getConfigBool("search.result.show.pictures", true) ? 1 : 0);
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prop.put("content_showCache", sb.getConfigBool("search.result.show.cache", true) ? 1 : 0);
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prop.put("content_showProxy", sb.getConfigBool("search.result.show.proxy", true) ? 1 : 0);
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prop.put("content_showHostBrowser", sb.getConfigBool("search.result.show.hostbrowser", true) ? 1 : 0);
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prop.put("content_showTags", sb.getConfigBool("search.result.show.tags", false) ? 1 : 0);
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prop.put("content_authorized", authenticated ? "1" : "0");
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final String urlhash = ASCII.String(result.hash());
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prop.put("content_authorized_bookmark", sb.tables.bookmarks.hasBookmark("admin", urlhash) ? "0" : "1");
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prop.putHTML("content_authorized_bookmark_bookmarklink", "/yacysearch.html?query=" + origQ.replace(' ', '+') + "&Enter=Search&count=" + theSearch.query.itemsPerPage() + "&offset=" + (theSearch.query.neededResults() - theSearch.query.itemsPerPage()) + "&order=" + crypt.simpleEncode(theSearch.query.ranking.toExternalString()) + "&resource=" + resource + "&time=3&bookmarkref=" + urlhash + "&urlmaskfilter=.*");
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prop.put("content_authorized_recommend", (sb.peers.newsPool.getSpecific(NewsPool.OUTGOING_DB, NewsPool.CATEGORY_SURFTIPP_ADD, "url", resultUrlstring) == null) ? "1" : "0");
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prop.putHTML("content_authorized_recommend_deletelink", "/yacysearch.html?query=" + origQ.replace(' ', '+') + "&Enter=Search&count=" + theSearch.query.itemsPerPage() + "&offset=" + (theSearch.query.neededResults() - theSearch.query.itemsPerPage()) + "&order=" + crypt.simpleEncode(theSearch.query.ranking.toExternalString()) + "&resource=" + resource + "&time=3&deleteref=" + urlhash + "&urlmaskfilter=.*");
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prop.putHTML("content_authorized_recommend_recommendlink", "/yacysearch.html?query=" + origQ.replace(' ', '+') + "&Enter=Search&count=" + theSearch.query.itemsPerPage() + "&offset=" + (theSearch.query.neededResults() - theSearch.query.itemsPerPage()) + "&order=" + crypt.simpleEncode(theSearch.query.ranking.toExternalString()) + "&resource=" + resource + "&time=3&recommendref=" + urlhash + "&urlmaskfilter=.*");
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prop.put("content_authorized_urlhash", urlhash);
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final String resulthashString = urlhash;
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prop.putHTML("content_title", result.title());
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prop.putXML("content_title-xml", result.title());
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prop.putJSON("content_title-json", result.title());
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prop.putHTML("content_showPictures_link", resultUrlstring);
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//prop.putHTML("content_link", resultUrlstring);
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// START interaction
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String modifyURL = resultUrlstring;
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if (sb.getConfigBool("proxyURL.useforresults", false)) {
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// check if url is allowed to view
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if (sb.getConfig("proxyURL.rewriteURLs", "all").equals("all")) {
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modifyURL = "./proxy.html?url="+modifyURL;
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}
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// check if url is allowed to view
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if (sb.getConfig("proxyURL.rewriteURLs", "all").equals("domainlist")) {
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try {
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if (sb.crawlStacker.urlInAcceptedDomain(new DigestURI (modifyURL)) == null) {
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modifyURL = "./proxy.html?url="+modifyURL;
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}
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} catch (MalformedURLException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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if (sb.getConfig("proxyURL.rewriteURLs", "all").equals("yacy")) {
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try {
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if ((new DigestURI (modifyURL).getHost().endsWith(".yacy"))) {
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modifyURL = "./proxy.html?url="+modifyURL;
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}
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} catch (MalformedURLException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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}
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prop.putHTML("content_link", modifyURL);
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// prop.putHTML("content_value", Interaction.TripleGet(result.urlstring(), "http://virtual.x/hasvalue", "anonymous"));
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// END interaction
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prop.putHTML("content_target", target);
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if (faviconURL != null && fileType == FileType.HTML) sb.loader.loadIfNotExistBackground(faviconURL, 1024 * 1024 * 10, null, TextSnippet.snippetMinLoadDelay);
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prop.putHTML("content_faviconCode", URLLicense.aquireLicense(faviconURL)); // acquire license for favicon url loading
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prop.put("content_urlhash", resulthashString);
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prop.put("content_ranking", result.ranking);
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prop.put("content_showMetadata_urlhash", resulthashString);
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prop.put("content_showCache_link", resultUrlstring);
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prop.put("content_showProxy_link", resultUrlstring);
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prop.put("content_showHostBrowser_link", resultUrlstring);
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prop.put("content_showParser_urlhash", resulthashString);
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prop.put("content_showTags_urlhash", resulthashString);
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prop.put("content_urlhexhash", Seed.b64Hash2hexHash(resulthashString));
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prop.putHTML("content_urlname", nxTools.shortenURLString(result.urlname(), MAX_URL_LENGTH));
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prop.put("content_showDate_date", GenericFormatter.RFC1123_SHORT_FORMATTER.format(result.modified()));
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prop.put("content_date822", HeaderFramework.formatRFC1123(result.modified()));
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//prop.put("content_ybr", RankingProcess.ybr(result.hash()));
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prop.putHTML("content_size", Integer.toString(result.filesize())); // we don't use putNUM here because that number shall be usable as sorting key. To print the size, use 'sizename'
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prop.putHTML("content_sizename", RSSMessage.sizename(result.filesize()));
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prop.putHTML("content_showSize_sizename", RSSMessage.sizename(result.filesize()));
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prop.putHTML("content_host", resultURL.getHost() == null ? "" : resultURL.getHost());
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prop.putHTML("content_file", resultURL.getFileName());
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prop.putHTML("content_path", resultURL.getPath());
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prop.put("content_nl", (item == theSearch.query.offset) ? 0 : 1);
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prop.putHTML("content_publisher", result.publisher());
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prop.putHTML("content_creator", result.creator());// author
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prop.putHTML("content_subject", result.subject());
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final List<String> query = theSearch.query.getQueryGoal().getAllStrings();
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final StringBuilder s = new StringBuilder(query.size() * 20);
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for (final String t: query) {
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s.append('+').append(t);
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}
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final String words = (s.length() > 0) ? s.substring(1) : "";
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prop.putHTML("content_words", words);
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prop.putHTML("content_showParser_words", words);
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prop.putHTML("content_former", origQ);
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prop.putHTML("content_showPictures_former", origQ);
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final TextSnippet snippet = result.textSnippet();
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final String desc = (snippet == null) ? "" : snippet.isMarked() ? snippet.getLineRaw() : snippet.getLineMarked(theSearch.query.getQueryGoal());
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prop.put("content_description", desc);
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prop.putXML("content_description-xml", desc);
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prop.putJSON("content_description-json", desc);
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final HeuristicResult heuristic = theSearch.getHeuristic(result.hash());
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if (heuristic == null) {
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prop.put("content_heuristic", 0);
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} else {
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if (heuristic.redundant) {
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prop.put("content_heuristic", 1);
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} else {
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prop.put("content_heuristic", 2);
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}
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prop.put("content_heuristic_name", heuristic.heuristicName);
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}
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EventTracker.update(EventTracker.EClass.SEARCH, new ProfilingGraph.EventSearch(theSearch.query.id(true), SearchEventType.FINALIZATION, "" + item, 0, 0), false);
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final String ext = resultURL.getFileExtension().toLowerCase();
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if (ext.equals("png") || ext.equals("jpg") || ext.equals("gif")) {
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final String license = URLLicense.aquireLicense(resultURL);
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prop.put("content_code", license);
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} else {
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prop.put("content_code", "");
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}
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if (result.lat() == 0.0d || result.lon() == 0.0d) {
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prop.put("content_loc", 0);
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} else {
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prop.put("content_loc", 1);
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prop.put("content_loc_lat", result.lat());
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prop.put("content_loc_lon", result.lon());
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}
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if (sb.getConfigBool("heuristic.searchresults",false)) sb.heuristicSearchResults(resultUrlstring);
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theSearch.query.transmitcount = item + 1;
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return prop;
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}
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if (theSearch.query.contentdom == Classification.ContentDomain.IMAGE) {
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// image search; shows thumbnails
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prop.put("content", theSearch.query.contentdom.getCode() + 1); // switch on specific content
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//final MediaSnippet ms = theSearch.result().oneImage(item);
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final ResultEntry ms = theSearch.oneResult(item, theSearch.query.isLocal() ? 1000 : 5000);
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if (ms == null) {
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prop.put("content_item", "0");
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} else {
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final String resultUrlstring = ms.url().toNormalform(true);
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final String target = sb.getConfig(resultUrlstring.matches(target_special_pattern) ? SwitchboardConstants.SEARCH_TARGET_SPECIAL : SwitchboardConstants.SEARCH_TARGET_DEFAULT, "_self");
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final String license = URLLicense.aquireLicense(ms.url());
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sb.loader.loadIfNotExistBackground(ms.url(), 1024 * 1024 * 10, null, TextSnippet.snippetMinLoadDelay);
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prop.putHTML("content_item_hrefCache", (auth) ? "/ViewImage.png?url=" + resultUrlstring : resultUrlstring);
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prop.putHTML("content_item_href", resultUrlstring);
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prop.putHTML("content_item_target", target);
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prop.put("content_item_code", license);
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prop.putHTML("content_item_name", shorten(ms.title(), MAX_NAME_LENGTH));
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prop.put("content_item_mimetype", "");
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prop.put("content_item_fileSize", 0);
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prop.put("content_item_width", 0);
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prop.put("content_item_height", 0);
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prop.put("content_item_attr", ""/*(ms.attr.equals("-1 x -1")) ? "" : "(" + ms.attr + ")"*/); // attributes, here: original size of image
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prop.put("content_item_urlhash", ASCII.String(ms.url().hash()));
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prop.put("content_item_source", ms.url().toNormalform(true));
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prop.putXML("content_item_source-xml", ms.url().toNormalform(true));
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prop.put("content_item_sourcedom", ms.url().getHost());
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prop.put("content_item_nl", (item == theSearch.query.offset) ? 0 : 1);
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prop.put("content_item", 1);
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}
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theSearch.query.transmitcount = item + 1;
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return prop;
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}
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if ((theSearch.query.contentdom == ContentDomain.AUDIO) ||
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(theSearch.query.contentdom == ContentDomain.VIDEO) ||
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(theSearch.query.contentdom == ContentDomain.APP)) {
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// any other media content
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// generate result object
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final ResultEntry ms = theSearch.oneResult(item, theSearch.query.isLocal() ? 1000 : 5000);
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prop.put("content", theSearch.query.contentdom.getCode() + 1); // switch on specific content
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if (ms == null) {
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prop.put("content_item", "0");
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} else {
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final String resultUrlstring = ms.url().toNormalform(true);
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final String target = sb.getConfig(resultUrlstring.matches(target_special_pattern) ? SwitchboardConstants.SEARCH_TARGET_SPECIAL : SwitchboardConstants.SEARCH_TARGET_DEFAULT, "_self");
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prop.putHTML("content_item_href", resultUrlstring);
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prop.putHTML("content_item_hrefshort", nxTools.shortenURLString(resultUrlstring, MAX_URL_LENGTH));
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prop.putHTML("content_item_target", target);
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prop.putHTML("content_item_name", shorten(ms.title(), MAX_NAME_LENGTH));
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prop.put("content_item_col", (item % 2 == 0) ? "0" : "1");
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prop.put("content_item_nl", (item == theSearch.query.offset) ? 0 : 1);
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prop.put("content_item", 1);
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}
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theSearch.query.transmitcount = item + 1;
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return prop;
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}
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return prop;
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}
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private static String shorten(final String s, final int length) {
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final String ret;
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if (s.length() <= length) {
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ret = s;
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} else {
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final int p = s.lastIndexOf('.');
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if (p < 0) {
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ret = s.substring(0, length - SHORTEN_SUFFIX_LENGTH) + SHORTEN_SUFFIX;
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} else {
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assert p >= 0;
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final String ext = s.substring(p + 1);
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if (ext.length() > 4) {
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ret = s.substring(0, length / 2 - 2) + SHORTEN_SUFFIX + s.substring(s.length() - (length / 2 - 2));
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} else {
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ret = s.substring(0, length - ext.length() - SHORTEN_SUFFIX_LENGTH) + SHORTEN_SUFFIX + ext;
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}
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}
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}
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return ret;
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}
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}
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