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223 lines
11 KiB
223 lines
11 KiB
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// DetailedSearch.java
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// -----------------------
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// part of the AnomicHTTPD caching proxy
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2006
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//
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// $LastChangedDate: 2006-02-05 16:38:31 +0100 (So, 05 Feb 2006) $
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// $LastChangedRevision: 1548 $
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// $LastChangedBy: orbiter $
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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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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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//
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// You must compile this file with
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// javac -classpath .:../classes index.java
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// if the shell's current path is HTROOT
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import java.util.TreeSet;
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import de.anomic.http.httpHeader;
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import de.anomic.kelondro.kelondroMSetTools;
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import de.anomic.plasma.plasmaSearchQuery;
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import de.anomic.plasma.plasmaSearchRankingProfile;
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import de.anomic.plasma.plasmaSearchTimingProfile;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.serverCore;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.yacy.yacyCore;
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public class DetailedSearch {
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public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
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final plasmaSwitchboard sb = (plasmaSwitchboard) env;
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// case if no values are requested
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if (post == null || env == null) {
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// we create empty entries for template strings
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final serverObjects prop = new serverObjects();
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prop.put("promoteSearchPageGreeting", env.getConfig("promoteSearchPageGreeting", ""));
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prop.put("search", "");
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prop.put("num-results", 0);
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prop.put("excluded", 0);
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prop.put("combine", 0);
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prop.put("resultbottomline", 0);
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prop.put("localCount", 10);
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prop.put("localWDist", 999);
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//prop.put("globalChecked", "checked");
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prop.put("globalChecked", "");
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prop.put("postsortChecked", "checked=\"checked\"");
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prop.put("localTime", 6);
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prop.put("results", "");
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prop.put("urlmaskoptions", 0);
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prop.put("urlmaskoptions_urlmaskfilter", ".*");
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String defaultRankingProfile = new plasmaSearchRankingProfile().toExternalString();
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prop.putAll(new plasmaSearchRankingProfile("", defaultRankingProfile).toExternalMap("local"));
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return prop;
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}
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boolean global = (post == null) ? false : post.get("global", "").equals("on");
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boolean postsort = (post == null) ? false : post.get("postsort", "").equals("on");
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final boolean indexDistributeGranted = sb.getConfig("allowDistributeIndex", "true").equals("true");
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final boolean indexReceiveGranted = sb.getConfig("allowReceiveIndex", "true").equals("true");
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if (!indexDistributeGranted || !indexReceiveGranted) { global = false; }
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int wdist = Integer.parseInt(post.get("localWDist", "999"));
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String querystring = post.get("search", "").trim();
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if ((querystring.length() > 2) && (querystring.charAt(0) == '"') && (querystring.charAt(querystring.length() - 1) == '"')) {
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querystring = querystring.substring(1, querystring.length() - 1).trim();
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wdist = 1;
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}
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if (sb.facilityDB != null) try { sb.facilityDB.update("zeitgeist", querystring, post); } catch (Exception e) {}
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final TreeSet query = plasmaSearchQuery.cleanQuery(querystring);
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// filter out stopwords
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final TreeSet filtered = kelondroMSetTools.joinConstructive(query, plasmaSwitchboard.stopwords);
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if (filtered.size() > 0) {
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kelondroMSetTools.excludeDestructive(query, plasmaSwitchboard.stopwords);
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}
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// if a minus-button was hit, remove a special reference first
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if (post.containsKey("deleteref")) {
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if (!sb.verifyAuthentication(header, true)) {
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final serverObjects prop = new serverObjects();
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prop.put("AUTHENTICATE", "admin log-in"); // force log-in
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return prop;
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}
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final String delHash = post.get("deleteref", "");
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sb.wordIndex.removeReferences(query, delHash);
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}
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// prepare search order
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final int count = Integer.parseInt(post.get("localCount", "10"));
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final long searchtime = 1000 * Long.parseLong(post.get("localTime", "10"));
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final boolean yacyonline = ((yacyCore.seedDB != null) &&
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(yacyCore.seedDB.mySeed != null) &&
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(yacyCore.seedDB.mySeed.getAddress() != null));
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String urlmask = "";
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if (post.containsKey("urlmask") && post.get("urlmask").equals("no")) {
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urlmask = ".*";
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} else {
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urlmask = (post.containsKey("urlmaskfilter")) ? (String) post.get("urlmaskfilter") : ".*";
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}
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// do the search
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plasmaSearchQuery thisSearch = new plasmaSearchQuery(query, wdist, "", plasmaSearchQuery.CONTENTDOM_TEXT, count, searchtime, urlmask,
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((global) && (yacyonline) && (!(env.getConfig("last-search","").equals(querystring)))) ? plasmaSearchQuery.SEARCHDOM_GLOBALDHT : plasmaSearchQuery.SEARCHDOM_LOCAL,
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"", 20, plasmaSearchQuery.catchall_constraint);
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plasmaSearchRankingProfile localRanking = new plasmaSearchRankingProfile("local", post.toString());
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plasmaSearchTimingProfile localTiming = new plasmaSearchTimingProfile(4 * thisSearch.maximumTime / 10, thisSearch.wantedResults);
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plasmaSearchTimingProfile remoteTiming = new plasmaSearchTimingProfile(6 * thisSearch.maximumTime / 10, thisSearch.wantedResults);
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final serverObjects prop = sb.searchFromLocal(thisSearch, localRanking, localTiming, remoteTiming, postsort);
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// remember the last search expression
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env.setConfig("last-search", querystring);
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// process result of search
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prop.put("type_resultbottomline", 0);
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if (filtered.size() > 0){
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prop.put("excluded", 1);
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prop.put("excluded_stopwords", filtered.toString());
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} else {
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prop.put("excluded", 0);
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}
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if (prop == null || prop.size() == 0) {
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prop.put("num-results", 0);
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} else {
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final int linkcount = Integer.parseInt(prop.get("type_linkcount", "0"));
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final int orderedcount = Integer.parseInt(prop.get("type_orderedcount", "0"));
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final int totalcount = Integer.parseInt(prop.get("type_totalcount", "0"));
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final Object[] references = (Object[]) prop.get("type_references", new String[0]);
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prop.put("type_num-results", 1);
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prop.put("type_num-results_linkcount", linkcount);
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prop.put("type_num-results_orderedcount", orderedcount);
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prop.put("type_num-results_totalcount", totalcount);
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int hintcount = references.length;
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if (hintcount > 0) {
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if (hintcount > 16) { hintcount = 16; }
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prop.put("type_combine", 1);
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String word;
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for (int i = 0; i < hintcount; i++) {
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word = (String) references[i];
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if (word != null) {
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prop.put("type_combine_words_" + i + "_word", word);
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prop.put("type_combine_words_" + i + "_newsearch", post.get("search", "").replace(' ', '+') + "+" + word);
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prop.put("type_combine_words_" + i + "_count", count);
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prop.put("type_combine_words_" + i + "_ranking", localRanking.toExternalURLGet("local").toString());
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prop.put("type_combine_words_" + i + "_resource", ((global) ? "global" : "local"));
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prop.put("type_combine_words_" + i + "_time", (searchtime / 1000));
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}
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prop.put("type_combine_words", i);
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}
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}
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}
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if (urlmask.equals(".*")) {
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prop.put("urlmaskoptions", 0);
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} else {
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prop.put("urlmaskoptions", 1);
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}
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prop.put("urlmaskoptions_urlmaskfilter", urlmask);
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prop.put("type", "0");
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prop.put("localCount", count);
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prop.put("localWDist", wdist);
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prop.put("globalChecked", (global) ? "checked=\"checked\"" : "");
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prop.put("postsortChecked", (postsort) ? "checked=\"checked\"" : "");
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prop.put("localTime", searchtime/1000);
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prop.put("search", post.get("search", ""));
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prop.putAll(localRanking.toExternalMap("local"));
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// 'enrich search' variables
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prop.put("num-results_former", post.get("search", ""));
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prop.put("num-results_time", searchtime / 1000);
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prop.put("num-results_count", count);
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prop.put("num-results_resource", (global) ? "global" : "local");
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prop.put("num-results_ranking", localRanking.toExternalURLGet("local").toString());
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// return rewrite properties
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prop.put("promoteSearchPageGreeting", env.getConfig("promoteSearchPageGreeting", ""));
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// adding some additional properties needed for the rss feed
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String hostName = (String) header.get("Host","localhost");
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if (hostName.indexOf(":") == -1) hostName += ":" + serverCore.getPortNr(env.getConfig("port","8080"));
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prop.put("rssYacyImageURL","http://" + hostName + "/env/grafics/yacy.gif");
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return prop;
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}
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}
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