From 258fd9eb8e0f7d8a7998a6d9e17fc8b3cdbceebf Mon Sep 17 00:00:00 2001 From: orbiter Date: Mon, 10 Oct 2005 00:33:25 +0000 Subject: [PATCH] adding missing file for websearch refactoring git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@894 6c8d7289-2bf4-0310-a012-ef5d649a1542 --- .../de/anomic/plasma/plasmaSearchQuery.java | 120 ++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 source/de/anomic/plasma/plasmaSearchQuery.java diff --git a/source/de/anomic/plasma/plasmaSearchQuery.java b/source/de/anomic/plasma/plasmaSearchQuery.java new file mode 100644 index 000000000..fdd145292 --- /dev/null +++ b/source/de/anomic/plasma/plasmaSearchQuery.java @@ -0,0 +1,120 @@ +// plasmaSearchQuery.java +// ----------------------- +// part of YACY +// (C) by Michael Peter Christen; mc@anomic.de +// first published on http://www.anomic.de +// Frankfurt, Germany, 2005 +// Created: 10.10.2005 +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// +// Using this software in any meaning (reading, learning, copying, compiling, +// running) means that you agree that the Author(s) is (are) not responsible +// for cost, loss of data or any harm that may be caused directly or indirectly +// by usage of this softare or this documentation. The usage of this software +// is on your own risk. The installation and usage (starting/running) of this +// software may allow other people or application to access your computer and +// any attached devices and is highly dependent on the configuration of the +// software which must be done by the user of the software; the author(s) is +// (are) also not responsible for proper configuration and usage of the +// software, even if provoked by documentation provided together with +// the software. +// +// Any changes to this file according to the GPL as documented in the file +// gpl.txt aside this file in the shipment you received can be done to the +// lines that follows this copyright notice here, but changes must not be +// done inside the copyright notive above. A re-distribution must contain +// the intact and unchanged copyright notice. +// Contributions and changes to the program code must be marked as such. + + +package de.anomic.plasma; + +import java.util.Set; +import java.util.TreeSet; +import java.util.Iterator; + +import de.anomic.htmlFilter.htmlFilterContentScraper; +import de.anomic.kelondro.kelondroMSetTools; +import de.anomic.server.serverByteBuffer; + +public final class plasmaSearchQuery { + + public static final int SEARCHDOM_LOCAL = 0; + public static final int SEARCHDOM_GROUPDHT = 1; + public static final int SEARCHDOM_GROUPALL = 2; + public static final int SEARCHDOM_GLOBALDHT = 3; + public static final int SEARCHDOM_GLOBALALL = 4; + + public Set queryWords; + public Set queryHashes; + public String referrer; + public String[] order; + public int wantedResults; + public long maximumTime; + public String urlMask; + public int domType; + public String domGroupName; + public int domMaxTargets; + + public plasmaSearchQuery(Set queryWords, String referrer, + String[] order, int wantedResults, long maximumTime, String urlMask, + int domType, String domGroupName, int domMaxTargets) { + this.queryWords = queryWords; + this.queryHashes = words2hashes(queryWords); + this.referrer = referrer; + this.order = order; + this.wantedResults = wantedResults; + this.maximumTime = maximumTime; + this.urlMask = urlMask; + this.domType = domType; + this.domGroupName = domGroupName; + this.domMaxTargets = domMaxTargets; + } + + + public static Set words2hashes(String[] words) { + TreeSet hashes = new TreeSet(); + for (int i = 0; i < words.length; i++) hashes.add(plasmaWordIndexEntry.word2hash(words[i])); + return hashes; + } + + public static Set words2hashes(Set words) { + Iterator i = words.iterator(); + TreeSet hashes = new TreeSet(); + while (i.hasNext()) hashes.add(plasmaWordIndexEntry.word2hash((String) i.next())); + return hashes; + } + + public static TreeSet cleanQuery(String words) { + // convert Umlaute + words = htmlFilterContentScraper.convertUmlaute(new serverByteBuffer(words.getBytes())).toString(); + + // remove funny symbols + final String seps = "' .,:/-&"; + words = words.toLowerCase().trim(); + int c; + for (int i = 0; i < seps.length(); i++) { + if ((c = words.indexOf(seps.charAt(i))) >= 0) { words = words.substring(0, c) + (((c + 1) < words.length()) ? (" " + words.substring(c + 1)) : ""); } + } + + // the string is clean now, but we must generate a set out of it + final String[] a = words.split(" "); + final TreeSet query = new TreeSet(kelondroMSetTools.fastStringComparator); + for (int i = 0; i < a.length; i++) { query.add(a[i]); } + return query; + } + +}