// IndexCreateWWWCrawlQueue_p.java
// -------------------------------
// part of the AnomicHTTPD caching proxy
// (C) by Michael Peter Christen; mc@yacy.net
// 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
// 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.ArrayList;
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.crawler.CrawlEntry;
import de.anomic.crawler.CrawlProfile;
import de.anomic.crawler.NoticedURL;
import de.anomic.http.httpHeader;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.plasma.plasmaWordIndex;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacySeed;
public class IndexCreateWWWLocalQueue_p {
private static SimpleDateFormat dayFormatter = new SimpleDateFormat("yyyy/MM/dd", Locale.US);
private static String daydate(final 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(final httpHeader header, final serverObjects post, final serverSwitch<?> env) {
// return variable that accumulates replacements
final plasmaSwitchboard sb = (plasmaSwitchboard) env;
final serverObjects prop = new serverObjects();
int showLimit = 100;
if (post != null) {
if (post.containsKey("limit")) {
try {
showLimit = Integer.valueOf(post.get("limit")).intValue();
} catch (final NumberFormatException e) {}
}
if (post.containsKey("deleteEntries")) {
int c = 0;
final String pattern = post.get("pattern", ".*").trim();
final int option = post.getInt("option", INVALID);
if (pattern.equals(".*")) {
c = sb.crawlQueues.noticeURL.stackSize(NoticedURL.STACK_TYPE_CORE);
sb.crawlQueues.noticeURL.clear(NoticedURL.STACK_TYPE_CORE);
try { sb.cleanProfiles(); } catch (final 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?
final Iterator<CrawlProfile.entry> it = sb.webIndex.profilesActiveCrawls.profiles(true);
CrawlProfile.entry entry;
while (it.hasNext()) {
entry = it.next();
final String name = entry.name();
if (name.equals(plasmaWordIndex.CRAWL_PROFILE_PROXY) ||
name.equals(plasmaWordIndex.CRAWL_PROFILE_REMOTE) ||
name.equals(plasmaWordIndex.CRAWL_PROFILE_SNIPPET_LOCAL_TEXT) ||
name.equals(plasmaWordIndex.CRAWL_PROFILE_SNIPPET_GLOBAL_TEXT) ||
name.equals(plasmaWordIndex.CRAWL_PROFILE_SNIPPET_LOCAL_MEDIA) ||
name.equals(plasmaWordIndex.CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA))
continue;
if (compiledPattern.matcher(name).find()) {
sb.webIndex.profilesActiveCrawls.removeEntry(entry.handle());
}
}
} else {
// iterating through the list of URLs
final Iterator<CrawlEntry> iter = sb.crawlQueues.noticeURL.iterator(NoticedURL.STACK_TYPE_CORE);
CrawlEntry entry;
while (iter.hasNext()) {
if ((entry = 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" : entry.initiator();
break;
case MODIFIED: value = daydate(entry.loaddate()); break;
default: value = null;
}
if (value != null) {
final Matcher matcher = compiledPattern.matcher(value);
if (matcher.find()) {
sb.crawlQueues.noticeURL.removeByURLHash(entry.url().hash());
}
}
}
}
} catch (final PatternSyntaxException e) {
e.printStackTrace();
}
}
prop.put("info", "3");//crawling queue cleared
prop.putNum("info_numEntries", c);
} else if (post.containsKey("deleteEntry")) {
final String urlHash = post.get("deleteEntry");
sb.crawlQueues.noticeURL.removeByURLHash(urlHash);
prop.put("LOCATION","");
return prop;
}
}
int showNum = 0, stackSize = sb.crawlQueues.noticeURL.stackSize(NoticedURL.STACK_TYPE_CORE);
if (stackSize == 0) {
prop.put("crawler-queue", "0");
} else {
prop.put("crawler-queue", "1");
final ArrayList<CrawlEntry> crawlerList = sb.crawlQueues.noticeURL.top(NoticedURL.STACK_TYPE_CORE, (int) (showLimit * 1.20));
CrawlEntry urle;
boolean dark = true;
yacySeed initiator;
String profileHandle;
CrawlProfile.entry profileEntry;
int i;
for (i = 0; (i < crawlerList.size()) && (showNum < showLimit); i++) {
urle = crawlerList.get(i);
if ((urle != null)&&(urle.url()!=null)) {
initiator = sb.webIndex.seedDB.getConnected(urle.initiator());
profileHandle = urle.profileHandle();
profileEntry = (profileHandle == null) ? null : sb.webIndex.profilesActiveCrawls.getEntry(profileHandle);
prop.put("crawler-queue_list_"+showNum+"_dark", dark ? "1" : "0");
prop.putHTML("crawler-queue_list_"+showNum+"_initiator", ((initiator == null) ? "proxy" : initiator.getName()) );
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.putHTML("crawler-queue_list_"+showNum+"_anchor", urle.name());
prop.putHTML("crawler-queue_list_"+showNum+"_url", urle.url().toNormalform(false, true));
prop.put("crawler-queue_list_"+showNum+"_hash", urle.url().hash());
dark = !dark;
showNum++;
} else {
stackSize--;
}
}
prop.putNum("crawler-queue_list", showNum);
prop.putNum("crawler-queue_num", stackSize);//num Entries
prop.putNum("crawler-queue_show-num", showNum); //showin sjow-num most recent
}
// return rewrite properties
return prop;
}
}