mirror of
https://github.com/yacy/yacy_search_server.git
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40b0547611
- different handling of link quotation - different handling of link normalization - enhanced html/unicode en/de-coding git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3993 6c8d7289-2bf4-0310-a012-ef5d649a1542
214 lines
11 KiB
Java
214 lines
11 KiB
Java
// IndexCreateWWWCrawlQueue_p.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, 2004, 2005
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// last major change: 04.07.2005
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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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// You must compile this file with
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// javac -classpath .:../classes IndexCreate_p.java
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// if the shell's current path is HTROOT
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Iterator;
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import java.util.Locale;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import java.util.regex.PatternSyntaxException;
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import de.anomic.data.htmlTools;
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import de.anomic.http.httpHeader;
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import de.anomic.plasma.plasmaCrawlEntry;
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import de.anomic.plasma.plasmaCrawlNURL;
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import de.anomic.plasma.plasmaCrawlProfile;
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import de.anomic.plasma.plasmaSwitchboard;
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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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import de.anomic.yacy.yacySeed;
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public class IndexCreateWWWLocalQueue_p {
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private static SimpleDateFormat dayFormatter = new SimpleDateFormat("yyyy/MM/dd", Locale.US);
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private static String daydate(Date date) {
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if (date == null) return "";
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return dayFormatter.format(date);
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}
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private static final int INVALID = 0;
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private static final int URL = 1;
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private static final int ANCHOR = 2;
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private static final int PROFILE = 3;
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private static final int DEPTH = 4;
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private static final int INITIATOR = 5;
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private static final int MODIFIED = 6;
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public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
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// return variable that accumulates replacements
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plasmaSwitchboard switchboard = (plasmaSwitchboard) env;
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serverObjects prop = new serverObjects();
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int showLimit = 100;
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if (post != null) {
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if (post.containsKey("limit")) {
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try {
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showLimit = Integer.valueOf((String)post.get("limit")).intValue();
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} catch (NumberFormatException e) {}
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}
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if (post.containsKey("deleteEntries")) {
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int c = 0;
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String pattern = post.get("pattern", ".*").trim();
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final int option = post.getInt("option", INVALID);
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if (pattern.equals(".*")) {
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c = switchboard.noticeURL.stackSize(plasmaCrawlNURL.STACK_TYPE_CORE);
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switchboard.noticeURL.clear(plasmaCrawlNURL.STACK_TYPE_CORE);
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try { switchboard.cleanProfiles(); } catch (InterruptedException e) {/* ignore this */}
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} else if (option > INVALID) {
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Pattern compiledPattern = null;
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try {
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// compiling the regular expression
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compiledPattern = Pattern.compile(pattern);
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if (option == PROFILE) {
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// search and delete the crawl profile (_much_ faster, independant of queue size)
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// XXX: what to do about the annoying LOST PROFILE messages in the log?
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Iterator it = switchboard.profiles.profiles(true);
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plasmaCrawlProfile.entry entry;
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while (it.hasNext()) {
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entry = (plasmaCrawlProfile.entry)it.next();
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final String name = entry.name();
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if (name.equals(plasmaSwitchboard.CRAWL_PROFILE_PROXY) ||
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name.equals(plasmaSwitchboard.CRAWL_PROFILE_REMOTE) ||
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name.equals(plasmaSwitchboard.CRAWL_PROFILE_SNIPPET_TEXT) ||
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name.equals(plasmaSwitchboard.CRAWL_PROFILE_SNIPPET_MEDIA))
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continue;
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if (compiledPattern.matcher(name).find())
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switchboard.profiles.removeEntry(entry.handle());
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}
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} else {
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// iterating through the list of URLs
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Iterator iter = switchboard.noticeURL.iterator(plasmaCrawlNURL.STACK_TYPE_CORE);
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plasmaCrawlEntry entry;
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while (iter.hasNext()) {
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if ((entry = (plasmaCrawlEntry) iter.next()) == null) continue;
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String value = null;
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switch (option) {
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case URL: value = (entry.url() == null) ? null : entry.url().toString(); break;
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case ANCHOR: value = entry.name(); break;
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case DEPTH: value = Integer.toString(entry.depth()); break;
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case INITIATOR:
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value = (entry.initiator() == null) ? "proxy" : htmlTools.encodeUnicode2html(entry.initiator(), true);
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break;
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case MODIFIED: value = daydate(entry.loaddate()); break;
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default: value = null;
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}
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if (value != null) {
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Matcher matcher = compiledPattern.matcher(value);
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if (matcher.find()) {
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switchboard.noticeURL.remove(entry.urlhash());
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}
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}
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}
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}
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} catch (PatternSyntaxException e) {
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e.printStackTrace();
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}
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}
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prop.put("info", 3);//crawling queue cleared
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prop.put("info_numEntries", c);
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} else if (post.containsKey("deleteEntry")) {
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String urlHash = (String) post.get("deleteEntry");
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switchboard.noticeURL.remove(urlHash);
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prop.put("LOCATION","");
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return prop;
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}
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}
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int showNum = 0, stackSize = switchboard.noticeURL.stackSize(plasmaCrawlNURL.STACK_TYPE_CORE);
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if (stackSize == 0) {
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prop.put("crawler-queue", 0);
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} else {
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prop.put("crawler-queue", 1);
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plasmaCrawlEntry[] crawlerList = switchboard.noticeURL.top(plasmaCrawlNURL.STACK_TYPE_CORE, (int) (showLimit * 1.20));
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plasmaCrawlEntry urle;
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boolean dark = true;
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yacySeed initiator;
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String profileHandle;
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plasmaCrawlProfile.entry profileEntry;
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int i;
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for (i = 0; (i < crawlerList.length) && (showNum < showLimit); i++) {
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urle = crawlerList[i];
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if ((urle != null)&&(urle.url()!=null)) {
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initiator = yacyCore.seedDB.getConnected(urle.initiator());
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profileHandle = urle.profileHandle();
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profileEntry = (profileHandle == null) ? null : switchboard.profiles.getEntry(profileHandle);
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prop.put("crawler-queue_list_"+showNum+"_dark", ((dark) ? 1 : 0) );
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prop.put("crawler-queue_list_"+showNum+"_initiator", ((initiator == null) ? "proxy" : htmlTools.encodeUnicode2html(initiator.getName(), true)) );
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prop.put("crawler-queue_list_"+showNum+"_profile", ((profileEntry == null) ? "unknown" : profileEntry.name()));
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prop.put("crawler-queue_list_"+showNum+"_depth", urle.depth());
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prop.put("crawler-queue_list_"+showNum+"_modified", daydate(urle.loaddate()) );
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prop.put("crawler-queue_list_"+showNum+"_anchor", htmlTools.encodeUnicode2html(urle.name(), true));
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prop.put("crawler-queue_list_"+showNum+"_url", htmlTools.encodeUnicode2html(urle.url().toNormalform(false, true), false));
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prop.put("crawler-queue_list_"+showNum+"_hash", urle.urlhash());
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dark = !dark;
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showNum++;
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} else {
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stackSize--;
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}
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}
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prop.put("crawler-queue_list", showNum);
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prop.put("crawler-queue_num", stackSize);//num Entries
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prop.put("crawler-queue_show-num", showNum); //showin sjow-num most recent
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}
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// return rewrite properties
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return prop;
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}
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}
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