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115 lines
4.5 KiB
115 lines
4.5 KiB
// yacydoc.java
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// -----------------------
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// (C) 2009 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 12.01.2009 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// $LastChangedDate: 2007-11-14 01:15:28 +0000 (Mi, 14 Nov 2007) $
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// $LastChangedRevision: 4216 $
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// $LastChangedBy: orbiter $
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//
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// LICENSE
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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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import java.net.MalformedURLException;
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import net.yacy.kelondro.data.meta.DigestURI;
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import net.yacy.kelondro.data.meta.URIMetadataRow;
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import net.yacy.kelondro.data.word.Word;
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import net.yacy.kelondro.logging.Log;
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import de.anomic.http.server.RequestHeader;
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import de.anomic.search.Segment;
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import de.anomic.search.Segments;
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import de.anomic.search.Switchboard;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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public class yacydoc {
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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// return variable that accumulates replacements
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final Switchboard sb = (Switchboard) env;
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final serverObjects prop = new serverObjects();
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Segment segment = null;
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if (post == null || !post.containsKey("html")) {
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if (post.containsKey("segment") && sb.verifyAuthentication(header, false)) {
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segment = sb.indexSegments.segment(post.get("segment"));
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}
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}
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if (segment == null) segment = sb.indexSegments.segment(Segments.Process.PUBLIC);
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prop.put("dc_title", "");
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prop.put("dc_creator", "");
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prop.put("dc_description", "");
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prop.put("dc_subject", "");
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prop.put("dc_publisher", "");
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prop.put("dc_contributor", "");
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prop.put("dc_date", "");
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prop.put("dc_type", "");
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prop.put("dc_identifier", "");
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prop.put("dc_language", "");
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if (post == null) return prop;
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String urlstring = post.get("urlstring", "").trim();
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String urlhash = post.get("urlhash", "").trim();
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if (urlstring.length() == 0 && urlhash.length() == 0) return prop;
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if (urlstring.length() > 0 && urlhash.length() == 0) {
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try {
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urlhash = (new DigestURI(urlstring, null)).hash();
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} catch (MalformedURLException e) {
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Log.logException(e);
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}
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}
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if (urlhash == null || urlhash.length() == 0) return prop;
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final URIMetadataRow entry = segment.urlMetadata().load(urlhash, null, 0);
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if (entry == null) return prop;
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final URIMetadataRow.Components metadata = entry.metadata();
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if (metadata.url() == null) {
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return prop;
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}
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final URIMetadataRow le = ((entry.referrerHash() == null) || (entry.referrerHash().length() != Word.commonHashLength)) ? null : segment.urlMetadata().load(entry.referrerHash(), null, 0);
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prop.putXML("dc_title", metadata.dc_title());
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prop.putXML("dc_creator", metadata.dc_creator());
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prop.putXML("dc_description", "");
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prop.putXML("dc_subject", metadata.dc_subject());
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prop.putXML("dc_publisher", metadata.url().toNormalform(false, true));
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prop.putXML("dc_contributor", "");
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prop.putXML("dc_date", entry.moddate().toString());
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prop.putXML("dc_type", String.valueOf(entry.doctype()));
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prop.putXML("dc_identifier", urlhash);
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prop.putXML("dc_language", entry.language());
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prop.putXML("yacy_loaddate", entry.loaddate().toString());
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prop.putXML("yacy_referrer_hash", (le == null) ? "" : le.hash());
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prop.putXML("yacy_referrer_url", (le == null) ? "" : le.metadata().url().toNormalform(false, true));
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prop.put("yacy_size", entry.size());
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prop.put("yacy_words",entry.wordCount());
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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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