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