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500 lines
26 KiB
500 lines
26 KiB
// IndexControl_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
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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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// 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 IndexControl_p.java
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// if the shell's current path is HTROOT
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import java.io.IOException;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.Enumeration;
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import java.util.HashSet;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.TreeMap;
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import de.anomic.htmlFilter.htmlFilterContentScraper;
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import de.anomic.http.httpHeader;
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import de.anomic.index.indexContainer;
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import de.anomic.index.indexEntryAttribute;
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import de.anomic.index.indexURL;
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import de.anomic.plasma.plasmaCrawlLURL;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.plasma.plasmaWordIndex;
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import de.anomic.index.indexURLEntry;
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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.yacyClient;
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import de.anomic.yacy.yacyCore;
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import de.anomic.yacy.yacySeed;
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public class IndexControl_p {
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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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if (post == null || env == null) {
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prop.put("keystring", "");
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prop.put("keyhash", "");
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prop.put("urlstring", "");
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prop.put("urlhash", "");
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prop.put("result", "");
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prop.put("wcount", Integer.toString(switchboard.wordIndex.size()));
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prop.put("ucount", Integer.toString(switchboard.urlPool.loadedURL.size()));
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prop.put("otherHosts", "");
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prop.put("indexDistributeChecked", (switchboard.getConfig("allowDistributeIndex", "true").equals("true")) ? "checked" : "");
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prop.put("indexDistributeWhileCrawling", (switchboard.getConfig("allowDistributeIndexWhileCrawling", "true").equals("true")) ? "checked" : "");
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prop.put("indexReceiveChecked", (switchboard.getConfig("allowReceiveIndex", "true").equals("true")) ? "checked" : "");
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prop.put("indexReceiveBlockBlacklistChecked", (switchboard.getConfig("indexReceiveBlockBlacklist", "true").equals("true")) ? "checked" : "");
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return prop; // be save
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}
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// default values
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String keystring = ((String) post.get("keystring", "")).trim();
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String keyhash = ((String) post.get("keyhash", "")).trim();
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String urlstring = ((String) post.get("urlstring", "")).trim();
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String urlhash = ((String) post.get("urlhash", "")).trim();
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if (!urlstring.startsWith("http://") &&
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!urlstring.startsWith("https://")) { urlstring = "http://" + urlstring; }
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prop.put("keystring", keystring);
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prop.put("keyhash", keyhash);
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prop.put("urlstring", urlstring);
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prop.put("urlhash", urlhash);
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prop.put("result", "");
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// read values from checkboxes
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String[] urlx = post.getAll("urlhx.*");
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boolean delurl = post.containsKey("delurl");
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boolean delurlref = post.containsKey("delurlref");
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// System.out.println("DEBUG CHECK: " + ((delurl) ? "delurl" : "") + " " + ((delurlref) ? "delurlref" : ""));
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// DHT control
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if (post.containsKey("setIndexTransmission")) {
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if (post.get("indexDistribute", "").equals("on")) {
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switchboard.setConfig("allowDistributeIndex", "true");
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} else {
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switchboard.setConfig("allowDistributeIndex", "false");
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}
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if (post.containsKey("indexDistributeWhileCrawling")) {
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switchboard.setConfig("allowDistributeIndexWhileCrawling", "true");
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} else {
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switchboard.setConfig("allowDistributeIndexWhileCrawling", "false");
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}
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if (post.get("indexReceive", "").equals("on")) {
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switchboard.setConfig("allowReceiveIndex", "true");
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yacyCore.seedDB.mySeed.setFlagAcceptRemoteIndex(true);
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} else {
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switchboard.setConfig("allowReceiveIndex", "false");
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yacyCore.seedDB.mySeed.setFlagAcceptRemoteIndex(false);
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}
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if (post.get("indexReceiveBlockBlacklist", "").equals("on")) {
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switchboard.setConfig("indexReceiveBlockBlacklist", "true");
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} else {
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switchboard.setConfig("indexReceiveBlockBlacklist", "false");
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}
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}
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// delete word
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if (post.containsKey("keyhashdeleteall")) {
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if (delurl || delurlref) {
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// generate an urlx array
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indexContainer index = null;
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index = switchboard.wordIndex.getContainer(keyhash, true, -1);
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Iterator en = index.entries();
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int i = 0;
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urlx = new String[index.size()];
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while (en.hasNext()) {
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urlx[i++] = ((indexURLEntry) en.next()).getUrlHash();
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}
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index = null;
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}
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if (delurlref) {
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for (int i = 0; i < urlx.length; i++) switchboard.removeAllUrlReferences(urlx[i], true);
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}
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if (delurl || delurlref) {
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for (int i = 0; i < urlx.length; i++) {
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switchboard.urlPool.loadedURL.remove(urlx[i]);
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}
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}
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switchboard.wordIndex.deleteContainer(keyhash);
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post.remove("keyhashdeleteall");
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if (keystring.length() > 0 &&
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indexEntryAttribute.word2hash(keystring).equals(keyhash)) {
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post.put("keystringsearch", "generated");
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} else {
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post.put("keyhashsearch", "generated");
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}
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}
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// delete selected URLs
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if (post.containsKey("keyhashdelete")) {
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if (delurlref) {
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for (int i = 0; i < urlx.length; i++) switchboard.removeAllUrlReferences(urlx[i], true);
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}
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if (delurl || delurlref) {
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for (int i = 0; i < urlx.length; i++) {
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switchboard.urlPool.loadedURL.remove(urlx[i]);
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}
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}
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switchboard.wordIndex.removeEntries(keyhash, urlx, true);
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// this shall lead to a presentation of the list; so handle that the remaining program
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// thinks that it was called for a list presentation
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post.remove("keyhashdelete");
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if (keystring.length() > 0 &&
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indexEntryAttribute.word2hash(keystring).equals(keyhash)) {
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post.put("keystringsearch", "generated");
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} else {
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post.put("keyhashsearch", "generated");
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// prop.put("result", "Delete of relation of url hashes " + result + " to key hash " + keyhash);
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}
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}
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if (post.containsKey("urlhashdeleteall")) {
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//try {
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int i = switchboard.removeAllUrlReferences(urlhash, true);
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prop.put("result", "Deleted URL and " + i + " references from " + i + " word indexes.");
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//} catch (IOException e) {
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// prop.put("result", "Deleted nothing because the url-hash could not be resolved");
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//}
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}
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if (post.containsKey("urlhashdelete")) {
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try {
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plasmaCrawlLURL.Entry entry = switchboard.urlPool.loadedURL.getEntry(urlhash, null);
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URL url = entry.url();
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urlstring = htmlFilterContentScraper.urlNormalform(url);
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prop.put("urlstring", "");
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switchboard.urlPool.loadedURL.remove(urlhash);
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prop.put("result", "Removed URL " + urlstring);
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} catch (IOException e) {
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prop.put("result", "No Entry for URL hash " + urlhash + "; nothing deleted.");
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}
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}
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if (post.containsKey("keystringsearch")) {
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keyhash = indexEntryAttribute.word2hash(keystring);
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prop.put("keyhash", keyhash);
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prop.put("urlstring", "");
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prop.put("urlhash", "");
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prop.put("result", genUrlList(switchboard, keyhash, keystring));
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}
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if (post.containsKey("keyhashsearch")) {
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if (keystring.length() == 0 ||
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!indexEntryAttribute.word2hash(keystring).equals(keyhash)) {
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prop.put("keystring", "<not possible to compute word from hash>");
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}
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prop.put("urlstring", "");
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prop.put("urlhash", "");
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prop.put("result", genUrlList(switchboard, keyhash, ""));
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}
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// transfer to other peer
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if (post.containsKey("keyhashtransfer")) {
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if (keystring.length() == 0 ||
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!indexEntryAttribute.word2hash(keystring).equals(keyhash)) {
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prop.put("keystring", "<not possible to compute word from hash>");
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}
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prop.put("urlstring", "");
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prop.put("urlhash", "");
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indexContainer index;
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String result;
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long starttime = System.currentTimeMillis();
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index = switchboard.wordIndex.getContainer(keyhash, true, -1);
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// built urlCache
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Iterator urlIter = index.entries();
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HashMap knownURLs = new HashMap();
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HashSet unknownURLEntries = new HashSet();
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indexURLEntry indexEntry;
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plasmaCrawlLURL.Entry lurl;
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while (urlIter.hasNext()) {
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indexEntry = (indexURLEntry) urlIter.next();
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try {
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lurl = switchboard.urlPool.loadedURL.getEntry(indexEntry.getUrlHash(), null);
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if (lurl.toString() == null) {
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unknownURLEntries.add(indexEntry.getUrlHash());
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urlIter.remove();
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} else {
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knownURLs.put(indexEntry.getUrlHash(), lurl);
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}
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} catch (IOException e) {
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unknownURLEntries.add(indexEntry.getUrlHash());
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}
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}
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// use whats remaining
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String gzipBody = switchboard.getConfig("indexControl.gzipBody","false");
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int timeout = (int) switchboard.getConfigLong("indexControl.timeout",60000);
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HashMap resultObj = yacyClient.transferIndex(
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yacyCore.seedDB.getConnected(post.get("hostHash", "")),
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new indexContainer[]{index},
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knownURLs,
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"true".equalsIgnoreCase(gzipBody),
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timeout);
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result = (String) resultObj.get("result");
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prop.put("result", (result == null) ? ("Successfully transferred " + index.size() + " words in " + ((System.currentTimeMillis() - starttime) / 1000) + " seconds") : result);
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index = null;
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}
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// generate list
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if (post.containsKey("keyhashsimilar")) {
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try {
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final Iterator hashIt = switchboard.wordIndex.wordHashSet(keyhash, plasmaWordIndex.RL_WORDFILES, true, 256).iterator();
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StringBuffer result = new StringBuffer("Sequential List of Word-Hashes:<br>");
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String hash;
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int i = 0;
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while (hashIt.hasNext() && i < 256) {
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hash = (String) hashIt.next();
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result.append("<a href=\"/IndexControl_p.html?").append("keyhash=").append(hash).append("&keyhashsearch=")
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.append("\" class=\"tt\">").append(hash).append("</a> ").append(((i + 1) % 8 == 0) ? "<br>" : "");
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i++;
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}
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prop.put("result", result);
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} catch (IOException e) {
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prop.put("result", "unknown keys: " + e.getMessage());
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}
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}
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if (post.containsKey("urlstringsearch")) {
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try {
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URL url = new URL(urlstring);
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urlhash = indexURL.urlHash(url);
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prop.put("urlhash", urlhash);
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plasmaCrawlLURL.Entry entry = switchboard.urlPool.loadedURL.getEntry(urlhash, null);
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prop.put("result", genUrlProfile(switchboard, entry, urlhash));
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} catch (MalformedURLException e) {
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prop.put("urlstring", "bad url: " + urlstring);
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prop.put("urlhash", "");
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} catch (IOException e) {
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prop.put("urlstring", "unknown url: " + urlstring);
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prop.put("urlhash", "");
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}
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}
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if (post.containsKey("urlhashsearch")) {
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try {
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plasmaCrawlLURL.Entry entry = switchboard.urlPool.loadedURL.getEntry(urlhash, null);
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URL url = entry.url();
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urlstring = url.toString();
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prop.put("urlstring", urlstring);
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prop.put("result", genUrlProfile(switchboard, entry, urlhash));
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} catch (IOException e) {
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prop.put("result", "No Entry for URL hash " + urlhash);
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}
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}
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// generate list
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if (post.containsKey("urlhashsimilar")) {
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try {
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final Iterator hashIt = switchboard.urlPool.loadedURL.urlHashes(urlhash, true);
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StringBuffer result = new StringBuffer(
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"Sequential List of URL-Hashes:<br>");
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String hash;
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int i = 0;
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while (hashIt.hasNext() && i < 256) {
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hash = (String) hashIt.next();
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result.append("<a href=\"/IndexControl_p.html?").append("urlhash=").append(hash).append("&urlhashsearch=")
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.append("\" class=\"tt\">").append(hash).append("</a> ").append(((i + 1) % 8 == 0) ? "<br>" : "");
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i++;
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}
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prop.put("result", result.toString());
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} catch (IOException e) {
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prop.put("result", "No Entries for URL hash " + urlhash);
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}
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}
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// list known hosts
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yacySeed seed;
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int hc = 0;
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if (yacyCore.seedDB != null && yacyCore.seedDB.sizeConnected() > 0) {
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Enumeration e = yacyCore.dhtAgent.getAcceptRemoteIndexSeeds(keyhash);
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while (e.hasMoreElements()) {
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seed = (yacySeed) e.nextElement();
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if (seed != null) {
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prop.put("hosts_" + hc + "_hosthash", seed.hash);
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prop.put("hosts_" + hc + "_hostname", /*seed.hash + " " +*/ seed.get(yacySeed.NAME, "nameless"));
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hc++;
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}
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}
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prop.put("hosts", Integer.toString(hc));
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} else {
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prop.put("hosts", "0");
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}
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// insert constants
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prop.put("wcount", Integer.toString(switchboard.wordIndex.size()));
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prop.put("ucount", Integer.toString(switchboard.urlPool.loadedURL.size()));
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prop.put("indexDistributeChecked", (switchboard.getConfig("allowDistributeIndex", "true").equals("true")) ? "checked" : "");
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prop.put("indexDistributeWhileCrawling", (switchboard.getConfig("allowDistributeIndexWhileCrawling", "true").equals("true")) ? "checked" : "");
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prop.put("indexReceiveChecked", (switchboard.getConfig("allowReceiveIndex", "true").equals("true")) ? "checked" : "");
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prop.put("indexReceiveBlockBlacklistChecked", (switchboard.getConfig("indexReceiveBlockBlacklist", "true").equals("true")) ? "checked" : "");
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// return rewrite properties
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return prop;
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}
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public static String genUrlProfile(plasmaSwitchboard switchboard, plasmaCrawlLURL.Entry entry, String urlhash) {
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if (entry == null) { return "No entry found for URL-hash " + urlhash; }
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URL url = entry.url();
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String referrer = null;
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try {
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referrer = switchboard.urlPool.loadedURL.getEntry(entry.referrerHash(), null).url().toString();
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} catch (IOException e) {
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referrer = "<unknown>";
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}
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if (url == null) { return "No entry found for URL-hash " + urlhash; }
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String result = "<table>" +
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"<tr><td class=\"small\">URL String</td><td class=\"tt\">" + htmlFilterContentScraper.urlNormalform(url) + "</td></tr>" +
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"<tr><td class=\"small\">Hash</td><td class=\"tt\">" + urlhash + "</td></tr>" +
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"<tr><td class=\"small\">Description</td><td class=\"tt\">" + entry.descr() + "</td></tr>" +
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"<tr><td class=\"small\">Modified-Date</td><td class=\"tt\">" + entry.moddate() + "</td></tr>" +
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"<tr><td class=\"small\">Loaded-Date</td><td class=\"tt\">" + entry.loaddate() + "</td></tr>" +
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"<tr><td class=\"small\">Referrer</td><td class=\"tt\">" + referrer + "</td></tr>" +
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"<tr><td class=\"small\">Doctype</td><td class=\"tt\">" + entry.doctype() + "</td></tr>" +
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"<tr><td class=\"small\">Copy-Count</td><td class=\"tt\">" + entry.copyCount() + "</td></tr>" +
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"<tr><td class=\"small\">Local-Flag</td><td class=\"tt\">" + entry.local() + "</td></tr>" +
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"<tr><td class=\"small\">Quality</td><td class=\"tt\">" + entry.quality() + "</td></tr>" +
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"<tr><td class=\"small\">Language</td><td class=\"tt\">" + entry.language() + "</td></tr>" +
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"<tr><td class=\"small\">Size</td><td class=\"tt\">" + entry.size() + "</td></tr>" +
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"<tr><td class=\"small\">Words</td><td class=\"tt\">" + entry.wordCount() + "</td></tr>" +
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"</table><br>";
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result +=
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"<form action=\"IndexControl_p.html\" method=\"post\" enctype=\"multipart/form-data\">" +
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"<input type=\"hidden\" name=\"keystring\" value=\"\">" +
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"<input type=\"hidden\" name=\"keyhash\" value=\"\">" +
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"<input type=\"hidden\" name=\"urlstring\" value=\"\">" +
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"<input type=\"hidden\" name=\"urlhash\" value=\"" + urlhash + "\">" +
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"<input type=\"submit\" value=\"Delete URL\" name=\"urlhashdelete\"><br>" +
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"<span class=\"small\"> this may produce unresolved references at other word indexes but they do not harm</span><br><br>" +
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"<input type=\"submit\" value=\"Delete URL and remove all references from words\" name=\"urlhashdeleteall\"><br>" +
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"<span class=\"small\"> delete the reference to this url at every other word where the reference exists (very extensive, but prevents unresolved references)</span><br>" +
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"</form>";
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return result;
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}
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public static String genUrlList(plasmaSwitchboard switchboard, String keyhash, String keystring) {
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// search for a word hash and generate a list of url links
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indexContainer index = null;
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try {
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index = switchboard.wordIndex.getContainer(keyhash, true, -1);
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final StringBuffer result = new StringBuffer(1024);
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if (index.size() == 0) {
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result.append("No URL entries related to this word hash <span class=\"tt\">").append(keyhash).append("</span>.");
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} else {
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final Iterator en = index.entries();
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result.append("URL entries related to this word hash <span class=\"tt\">").append(keyhash).append("</span><br><br>");
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result.append("<form action=\"IndexControl_p.html\" method=\"post\" enctype=\"multipart/form-data\">");
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String us;
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String uh[] = new String[2];
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int i = 0;
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final TreeMap tm = new TreeMap();
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indexURLEntry xi;
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while (en.hasNext()) {
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xi = (indexURLEntry) en.next();
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uh = new String[]{xi.getUrlHash(), Integer.toString(xi.posintext())};
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try {
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us = switchboard.urlPool.loadedURL.getEntry(uh[0], null).url().toString();
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tm.put(us, uh);
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} catch (IOException e) {
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tm.put(uh[0], uh);
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}
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}
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URL url;
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final Iterator iter = tm.keySet().iterator();
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result.ensureCapacity((tm.size() + 2) * 384);
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while (iter.hasNext()) {
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us = iter.next().toString();
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uh = (String[]) tm.get(us);
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if (us.equals(uh[0])) {
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result.append("<input type=\"checkbox\" name=\"urlhx").append(i++).append("\" checked value=\"").append(uh[0]).append("\" align=\"top\">")
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.append("<span class=\"tt\">").append(uh[0]).append(" <unresolved URL Hash></span><br>");
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} else {
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url = new URL(us);
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if (plasmaSwitchboard.urlBlacklist.isListed(url)) {
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result.append("<input type=\"checkbox\" name=\"urlhx").append(i++).append("\" checked value=\"").append(uh[0]).append("\" align=\"top\">");
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} else {
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result.append("<input type=\"checkbox\" name=\"urlhx").append(i++).append("\" value=\"").append(uh[0]).append("\" align=\"top\">");
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}
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result.append("<a href=\"/IndexControl_p.html?").append("keystring=").append(keystring)
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.append("&keyhash=").append(keyhash).append("&urlhash=").append(uh[0])
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.append("&urlstringsearch=").append("&urlstring=").append(us).append("\" class=\"tt\">")
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.append(uh[0]).append("</a><span class=\"tt\"> ").append(us).append(", pos=").append(uh[1]).append("</span><br>");
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}
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}
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result.append("<input type=\"hidden\" name=\"keystring\" value=\"").append(keystring).append("\">")
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.append("<input type=\"hidden\" name=\"keyhash\" value=\"").append(keyhash).append("\">")
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.append("<input type=\"hidden\" name=\"urlstring\" value=\"\">")
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.append("<input type=\"hidden\" name=\"urlhash\" value=\"\">")
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.append("<br><fieldset><legend>Reference Deletion</legend><table border=\"0\" cellspacing=\"5\" cellpadding=\"5\"><tr valign=\"top\"><td><br><br>")
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.append("<input type=\"submit\" value=\"Delete reference to selected URLs\" name=\"keyhashdelete\"><br><br>")
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.append("<input type=\"submit\" value=\"Delete reference to ALL URLs\" name=\"keyhashdeleteall\"><span class=\"small\"><br> (= delete Word)</span>")
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.append("</td><td width=\"150\">")
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.append("<center><input type=\"checkbox\" name=\"delurl\" value=\"\" align=\"top\" checked></center><br>")
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.append("<span class=\"small\">delete also the referenced URL itself (reasonable and recommended, may produce unresolved references at other word indexes but they do not harm)</span>")
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.append("</td><td width=\"150\">")
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.append("<center><input type=\"checkbox\" name=\"delurlref\" value=\"\" align=\"top\"></center><br>")
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.append("<span class=\"small\">for every resolveable and deleted URL reference, delete the same reference at every other word where the reference exists (very extensive, but prevents further unresolved references)</span>")
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.append("</td></tr></table></fieldset></form><br>");
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}
|
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index = null;
|
|
return result.toString();
|
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} catch (IOException e) {
|
|
return "";
|
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} finally {
|
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if (index != null) index = null;
|
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}
|
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}
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} |