mirror of
https://github.com/yacy/yacy_search_server.git
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5516819354
generated dynamically which will stay static in the future. This applies mainly to the search result favicon in front of search hits. These icons will now be generated once, but then caches in the browser. There is also a YaCy-internal cache for these icons which had prevented the re-generation of the icons in YaCy, but this cache is now superfluous since the browser should not call the servlet ViewImage again.
378 lines
22 KiB
Java
378 lines
22 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.Collection;
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import java.util.Iterator;
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import java.util.Map;
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import net.yacy.cora.date.GenericFormatter;
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import net.yacy.cora.date.ISO8601Formatter;
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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.document.encoding.ASCII;
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import net.yacy.cora.document.feed.RSSMessage;
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import net.yacy.cora.document.id.DigestURL;
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import net.yacy.cora.document.id.MultiProtocolURL;
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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.cora.util.ConcurrentLog;
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import net.yacy.cora.util.Memory;
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import net.yacy.crawler.data.Cache;
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import net.yacy.data.URLLicense;
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import net.yacy.kelondro.data.meta.URIMetadataNode;
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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 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.getResultCount())));
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prop.put("itemsperpage", Formatter.number(theSearch.query.itemsPerPage));
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prop.put("totalcount", Formatter.number(theSearch.getResultCount(), true));
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prop.put("localResourceSize", Formatter.number(theSearch.local_rwi_stored.get() + theSearch.local_solr_stored.get(), true));
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prop.put("remoteResourceSize", Formatter.number(theSearch.remote_rwi_stored.get() + theSearch.remote_solr_stored.get(), true));
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prop.put("remoteIndexCount", Formatter.number(theSearch.remote_rwi_available.get() + theSearch.remote_solr_available.get(), true));
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prop.put("remotePeerCount", Formatter.number(theSearch.remote_rwi_peerCount.get() + theSearch.remote_solr_peerCount.get(), true));
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prop.put("navurlBase", QueryParams.navurlBase(RequestHeader.FileType.HTML, theSearch.query, null, false).toString());
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final String target_special_pattern = sb.getConfig(SwitchboardConstants.SEARCH_TARGET_SPECIAL_PATTERN, "");
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long timeout = item == 0 ? 10000 : (theSearch.query.isLocal() ? 1000 : 3000);
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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, timeout);
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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 DigestURL 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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DigestURL faviconURL = null;
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if ((fileType == FileType.HTML || fileType == FileType.JSON) && !sb.isIntranetMode()) try {
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faviconURL = new DigestURL(resultURL.getProtocol() + "://" + resultURL.getHost() + ((port != -1) ? (":" + port) : "") + "/favicon.ico");
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} catch (final MalformedURLException e1) {
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ConcurrentLog.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().getQueryString(true);
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prop.put("content", 1); // switch on specific content
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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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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) && sb.getConfigBool("proxyURL", 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 DigestURL (modifyURL)) == null) {
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modifyURL = "./proxy.html?url="+modifyURL;
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}
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} catch (final 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 DigestURL (modifyURL).getHost().endsWith(".yacy"))) {
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modifyURL = "./proxy.html?url="+modifyURL;
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}
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} catch (final 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.putXML("content_link", modifyURL); // putXML for rss
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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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boolean isAtomFeed = header.get(HeaderFramework.CONNECTION_PROP_EXT, "").equals("atom");
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String resultFileName = resultURL.getFileName();
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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, ClientIdentification.yacyIntranetCrawlerAgent);
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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", urlhash);
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prop.put("content_ranking", Float.toString(result.score()));
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if (fileType == FileType.HTML) { // html template specific settings
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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_showCitation", sb.getConfigBool("search.result.show.citation", 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) && Cache.has(resultURL.hash()) ? 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_showVocabulary", sb.getConfigBool("search.result.show.vocabulary", true) ? 1 : 0);
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prop.put("content_showDate_date", GenericFormatter.RFC1123_SHORT_FORMATTER.format(result.modified()));
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prop.putHTML("content_showSize_sizename", RSSMessage.sizename(result.filesize()));
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prop.put("content_showMetadata_urlhash", urlhash);
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prop.put("content_showParser_urlhash", urlhash);
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prop.put("content_showCitation_urlhash", urlhash);
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prop.putHTML("content_showPictures_former", origQ);
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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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if (sb.getConfigBool("search.result.show.vocabulary", true)) {
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URIMetadataNode node = result.getNode();
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int c = 0;
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for (Map.Entry<String, Object> entry: node.entrySet()) {
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String key = entry.getKey();
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if (key.startsWith("vocabulary_") && key.endsWith("_sxt")) {
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@SuppressWarnings("unchecked")
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Collection<String> terms = (Collection<String>) entry.getValue();
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prop.putHTML("content_showVocabulary_vocabulary_" + c + "_name", key.substring(11, key.length() - 4));
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prop.putHTML("content_showVocabulary_vocabulary_" + c + "_terms", terms.toString());
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c++;
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}
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}
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prop.put("content_showVocabulary_vocabulary", c);
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prop.put("content_showVocabulary", 1);
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} else {
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prop.put("content_showVocabulary_vocabulary", 0);
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prop.put("content_showVocabulary", 0);
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}
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}
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prop.put("content_urlhexhash", Seed.b64Hash2hexHash(urlhash));
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prop.putHTML("content_urlname", nxTools.shortenURLString(result.urlname(), MAX_URL_LENGTH));
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prop.put("content_date822", isAtomFeed ? ISO8601Formatter.FORMATTER.format(result.modified()) : 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_host", resultURL.getHost() == null ? "" : resultURL.getHost());
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prop.putXML("content_file", resultFileName); // putXML for rss
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prop.putXML("content_path", resultURL.getPath()); // putXML for rss
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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 Iterator<String> query = theSearch.query.getQueryGoal().getIncludeStrings();
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final StringBuilder s = new StringBuilder(theSearch.query.getQueryGoal().getIncludeSize() * 20);
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while (query.hasNext()) s.append('+').append(query.next());
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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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final TextSnippet snippet = result.textSnippet();
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final String desc = (snippet == null) ? "" : snippet.descriptionline(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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prop.put("content_mimetype",result.getNode().mime()); // for atom <link> type attribute
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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 = MultiProtocolURL.getFileExtension(resultFileName);
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if (MultiProtocolURL.isImage(ext)) {
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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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final boolean clustersearch = sb.isRobinsonMode() && sb.getConfig(SwitchboardConstants.CLUSTER_MODE, "").equals(SwitchboardConstants.CLUSTER_MODE_PUBLIC_CLUSTER);
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final boolean indexReceiveGranted = sb.getConfigBool(SwitchboardConstants.INDEX_RECEIVE_ALLOW_SEARCH, true) || clustersearch;
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boolean p2pmode = sb.peers != null && sb.peers.sizeConnected() > 0 && indexReceiveGranted;
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boolean stealthmode = p2pmode && theSearch.query.isLocal();
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if ((sb.getConfigBool(SwitchboardConstants.HEURISTIC_SEARCHRESULTS, false) ||
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(sb.getConfigBool(SwitchboardConstants.GREEDYLEARNING_ACTIVE, false) && sb.getConfigBool(SwitchboardConstants.GREEDYLEARNING_ENABLED, false) && Memory.load() < 1.0)) &&
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!stealthmode) 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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SearchEvent.ImageResult image = null;
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try {
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image = theSearch.oneImageResult(item, timeout);
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final String imageUrlstring = image.imageUrl.toNormalform(true);
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final String target = sb.getConfig(imageUrlstring.matches(target_special_pattern) ? SwitchboardConstants.SEARCH_TARGET_SPECIAL : SwitchboardConstants.SEARCH_TARGET_DEFAULT, "_self");
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final String license = URLLicense.aquireLicense(image.imageUrl); // this is just the license key to get the image forwarded through the YaCy thumbnail viewer, not an actual lawful license
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//sb.loader.loadIfNotExistBackground(image.imageUrl, 1024 * 1024 * 10, null, ClientIdentification.yacyIntranetCrawlerAgent);
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prop.putHTML("content_item_hrefCache", "/ViewImage.png?maxwidth=128&maxheight=128&isStatic=true&quadratic=&url=" + imageUrlstring);
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prop.putHTML("content_item_href", imageUrlstring);
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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(image.imagetext, MAX_NAME_LENGTH));
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prop.put("content_item_mimetype", image.mimetype);
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prop.put("content_item_fileSize", 0);
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prop.put("content_item_width", image.width);
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prop.put("content_item_height", image.height);
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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(image.imageUrl.hash()));
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prop.put("content_item_source", image.sourceUrl.toNormalform(true));
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prop.putXML("content_item_source-xml", image.sourceUrl.toNormalform(true));
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prop.put("content_item_sourcedom", image.sourceUrl.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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} catch (MalformedURLException e) {
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prop.put("content_item", "0");
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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, timeout);
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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");
|
|
prop.putHTML("content_item_href", resultUrlstring);
|
|
prop.putHTML("content_item_hrefshort", nxTools.shortenURLString(resultUrlstring, MAX_URL_LENGTH));
|
|
prop.putHTML("content_item_target", target);
|
|
prop.putHTML("content_item_name", shorten(ms.title(), MAX_NAME_LENGTH));
|
|
prop.put("content_item_col", (item % 2 == 0) ? "0" : "1");
|
|
prop.put("content_item_nl", (item == theSearch.query.offset) ? 0 : 1);
|
|
prop.put("content_item", 1);
|
|
}
|
|
theSearch.query.transmitcount = item + 1;
|
|
return prop;
|
|
}
|
|
|
|
return prop;
|
|
}
|
|
|
|
private static String shorten(final String s, final int length) {
|
|
final String ret;
|
|
if (s.length() <= length) {
|
|
ret = s;
|
|
} else {
|
|
final int p = s.lastIndexOf('.');
|
|
if (p < 0) {
|
|
ret = s.substring(0, length - SHORTEN_SUFFIX_LENGTH) + SHORTEN_SUFFIX;
|
|
} else {
|
|
assert p >= 0;
|
|
final String ext = s.substring(p + 1);
|
|
if (ext.length() > 4) {
|
|
ret = s.substring(0, length / 2 - 2) + SHORTEN_SUFFIX + s.substring(s.length() - (length / 2 - 2));
|
|
} else {
|
|
ret = s.substring(0, length - ext.length() - SHORTEN_SUFFIX_LENGTH) + SHORTEN_SUFFIX + ext;
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
}
|