yacy_search_server/htroot/Vocabulary_p.java

/**
 *  Vocabulary_p
 *  Copyright 2012 by Michael Peter Christen, mc@yacy.net, Frankfurt am Main, Germany
 *  First released 07.05.2012 at http://yacy.net
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program in the file lgpl21.txt
 *  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.IOException;
import java.util.Collection;
import java.util.Map;

import net.yacy.cora.lod.vocabulary.DCTerms;
import net.yacy.cora.lod.vocabulary.Owl;
import net.yacy.cora.lod.vocabulary.Tagging;
import net.yacy.cora.lod.vocabulary.YaCyMetadata;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.document.LibraryProvider;
import net.yacy.kelondro.logging.Log;
import net.yacy.search.Switchboard;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;

public class Vocabulary_p {

    public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
        final Switchboard sb = (Switchboard) env;
        final serverObjects prop = new serverObjects();
        Collection<Tagging> vocs = LibraryProvider.autotagging.getVocabularies();

        String vocabularyName = (post == null) ? null : post.get("vocabulary", null);
        Tagging vocabulary = vocabularyName == null ? null : LibraryProvider.autotagging.getVocabulary(vocabularyName);
        int count = 0;
        for (Tagging v: vocs) {
            prop.put("vocabularyset_" + count + "_name", v.getName());
            prop.put("vocabularyset_" + count + "_selected", (vocabularyName != null && vocabularyName.equals(v.getName())) ? 1 : 0);
            count++;
        }
        prop.put("vocabularyset", count);

        if (post != null && vocabulary != null) {
            try {
                // check if objectspace was set
                vocabulary.setObjectspace(post.get("objectspace", vocabulary.getObjectspace() == null ? "" : vocabulary.getObjectspace()));

                // check if a term was added
                if (post.get("modify_new", "").equals("checked") && post.get("newterm", "").length() > 0) {
                    vocabulary.put(post.get("newterm", ""), post.get("newsynonyms", ""));
                }

                // check if a term was modified
                for (Map.Entry<String, String> e : post.entrySet()) {
                    if (e.getKey().startsWith("modify_") && e.getValue().equals("checked")) {
                        String term = e.getKey().substring(7);
                        String synonyms = post.get("synonyms_" + term, "");
                        vocabulary.put(term, synonyms);
                    }
                }

                // check if a term shall be deleted
                for (Map.Entry<String, String> e : post.entrySet()) {
                    if (e.getKey().startsWith("delete_") && e.getValue().equals("checked")) {
                        String term = e.getKey().substring(7);
                        vocabulary.delete(term);
                    }
                }
            } catch (IOException e) {
                Log.logException(e);
            }
        }

        if (vocabulary == null) {
            prop.put("edit", 0);
        } else {
            prop.put("edit", 1);
            boolean editable = vocabulary.getFile() != null && vocabulary.getFile().exists();
            String yacyurl = YaCyMetadata.hashURI("[hash]".getBytes());
            prop.put("edit_editable", editable ? 1 : 0);
            prop.putHTML("edit_editable_file", editable ? vocabulary.getFile().getAbsolutePath() : "");
            prop.putHTML("edit_name", vocabulary.getName());
            prop.putHTML("edit_namespace", vocabulary.getNamespace());
            prop.putHTML("edit_predicate", vocabulary.getPredicate());
            prop.putHTML("edit_prefix", Tagging.DEFAULT_PREFIX);
            prop.putHTML("edit_editable_objectspace", vocabulary.getObjectspace() == null ? "" : vocabulary.getObjectspace());
            prop.putHTML("edit_editable_objectspacepredicate", DCTerms.references.getPredicate());
            prop.putHTML("edit_triple1", "<" + yacyurl + "> <" + vocabulary.getPredicate() + "> \"[discovered-tags-commaseparated]\"");
            prop.putHTML("edit_triple2", "<" + yacyurl + "> <" + Owl.SameAs.getPredicate() + "> <[document-url]>");
            prop.putHTML("edit_tripleN", vocabulary.getObjectspace() == null ? "none - missing objectspace" : "<" + yacyurl + "> <" + DCTerms.references.getPredicate() + "> \"" + vocabulary.getObjectspace() + "[discovered-tag]\"");
            int c = 0;
            boolean dark = false;
            for (Map.Entry<String, String> entry: vocabulary.list().entrySet()) {
                prop.put("edit_terms_" + c + "_editable", editable ? 1 : 0);
                prop.put("edit_terms_" + c + "_dark", dark ? 1 : 0); dark = !dark;
                prop.putHTML("edit_terms_" + c + "_term", entry.getKey());
                prop.putHTML("edit_terms_" + c + "_editable_term", entry.getKey());
                prop.putHTML("edit_terms_" + c + "_editable_synonyms", entry.getValue());
                c++;
            }
            prop.put("edit_terms", c);
        }

        // return rewrite properties
        return prop;
    }
}