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yacy_search_server/htroot/api/webstructure.java

107 lines
4.2 KiB

// webstructure.java
// ------------
// (C) 2009 by Michael Peter Christen; mc@yacy.net
// first published 01.05.2008 on http://yacy.net
//
// $LastChangedDate: 2009-03-16 19:08:43 +0100 (Mo, 16 Mrz 2009) $
// $LastChangedRevision: 5723 $
// $LastChangedBy: borg-0300 $
//
// 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
import java.net.MalformedURLException;
import java.util.Iterator;
import java.util.Map;
import de.anomic.http.httpRequestHeader;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.plasma.plasmaWebStructure;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacyURL;
public class webstructure {
public static serverObjects respond(final httpRequestHeader header, final serverObjects post, final serverSwitch<?> env) {
final serverObjects prop = new serverObjects();
final plasmaSwitchboard sb = (plasmaSwitchboard) env;
final boolean latest = ((post == null) ? false : post.containsKey("latest"));
String about = ((post == null) ? null : post.get("about", null));
if (about != null) {
yacyURL url = null;
if (about.length() > 6) {
try {
url = new yacyURL(about, null);
about = url.hash().substring(6);
} catch (MalformedURLException e) {
about = null;
}
}
if (url != null && about != null) {
plasmaWebStructure.structureEntry sentry = sb.webStructure.references(about);
if (sentry != null) {
reference(prop, 0, sentry, sb.webStructure);
prop.put("domains", 1);
} else {
prop.put("domains", 0);
}
} else {
prop.put("domains", 0);
}
} else {
final Iterator<plasmaWebStructure.structureEntry> i = sb.webStructure.structureEntryIterator(latest);
int c = 0;
plasmaWebStructure.structureEntry sentry;
while (i.hasNext()) {
sentry = i.next();
reference(prop, c, sentry, sb.webStructure);
c++;
}
prop.put("domains", c);
if (latest) sb.webStructure.joinOldNew();
}
prop.put("maxref", plasmaWebStructure.maxref);
// return rewrite properties
return prop;
}
public static void reference(serverObjects prop, int c, plasmaWebStructure.structureEntry sentry, plasmaWebStructure ws) {
prop.put("domains_" + c + "_hash", sentry.domhash);
prop.put("domains_" + c + "_domain", sentry.domain);
prop.put("domains_" + c + "_date", sentry.date);
Iterator<Map.Entry<String, Integer>> k = sentry.references.entrySet().iterator();
Map.Entry<String, Integer> refentry;
String refdom, refhash;
Integer refcount;
int d = 0;
refloop: while (k.hasNext()) {
refentry = k.next();
refhash = refentry.getKey();
refdom = ws.resolveDomHash2DomString(refhash);
if (refdom == null) continue refloop;
prop.put("domains_" + c + "_citations_" + d + "_refhash", refhash);
prop.put("domains_" + c + "_citations_" + d + "_refdom", refdom);
refcount = refentry.getValue();
prop.put("domains_" + c + "_citations_" + d + "_refcount", refcount.intValue());
d++;
}
prop.put("domains_" + c + "_citations", d);
}
}