/*
 * Copyright (C) 2001-2004 Red Hat Inc. All Rights Reserved.
 *
 * 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

package com.arsdigita.london.terms;

import com.arsdigita.categorization.Categorization;
import com.arsdigita.categorization.Category;
import com.arsdigita.db.DbHelper;
import com.arsdigita.domain.DomainObject;
import com.arsdigita.domain.DomainObjectFactory;
import com.arsdigita.domain.DomainObjectInstantiator;
import com.arsdigita.domain.xml.TraversalHandler;
import com.arsdigita.kernel.ACSObjectInstantiator;
import com.arsdigita.kernel.NoValidURLException;
import com.arsdigita.kernel.URLFinder;
import com.arsdigita.kernel.URLService;
import com.arsdigita.london.terms.indexing.Indexer;
import com.arsdigita.persistence.DataObject;
import com.arsdigita.persistence.OID;
import com.arsdigita.persistence.pdl.ManifestSource;
import com.arsdigita.persistence.pdl.NameFilter;
import com.arsdigita.runtime.CompoundInitializer;
import com.arsdigita.runtime.DomainInitEvent;
import com.arsdigita.runtime.PDLInitializer;
import com.arsdigita.runtime.RuntimeConfig;
import com.arsdigita.ui.admin.ApplicationManagers;
import com.arsdigita.xml.XML;

/**
 * Initializer for ccm-ldn-terms.
 * Executes recursivly at each system startup.
 *
 * @version $Id: Initializer.java 2070 2014-02-21 08:47:41Z pboy $
 */
public class Initializer extends CompoundInitializer {

    /**
     * Constructor
     */
    public Initializer() {
        final String url = RuntimeConfig.getConfig().getJDBCURL();
        final int database = DbHelper.getDatabaseFromURL(url);

        add(new PDLInitializer
            (new ManifestSource
             ("ccm-ldn-terms.pdl.mf",
              new NameFilter(DbHelper.getDatabaseSuffix(database), "pdl"))));
    }

    /**
     * Initializes domain-coupling machinery, usually consisting of
     * registering object instantiators and observers.
     *
     */
    @Override
    public void init(DomainInitEvent e) {

        DomainObjectFactory.registerInstantiator
            (Domain.BASE_DATA_OBJECT_TYPE,
             new DomainObjectInstantiator() {
                 public DomainObject doNewInstance(DataObject dataObject) {
                     return new Domain(dataObject);
                 }
             });

        DomainObjectFactory.registerInstantiator
            (Term.BASE_DATA_OBJECT_TYPE,
             new ACSObjectInstantiator() {
                 @Override
                 public DomainObject doNewInstance(DataObject dataObject) {
                     return new Term(dataObject);
                 }
             });

        DomainObjectFactory.registerInstantiator
            (Terms.BASE_DATA_OBJECT_TYPE,
             new ACSObjectInstantiator() {
                 @Override
                 public DomainObject doNewInstance(DataObject dataObject) {
                     return new Terms(dataObject);
                 }
             });

        DomainObjectFactory.registerInstantiator
            ("com.arsdigita.categorization.UseContext",
             new DomainObjectInstantiator() {
                 public DomainObject doNewInstance(DataObject dataObject) {
                     return new DomainUseContext(dataObject);
                 }
             });

        DomainObjectFactory.registerInstantiator
            (Indexer.BASE_DATA_OBJECT_TYPE, new DomainObjectInstantiator() {
            public DomainObject doNewInstance(DataObject dataObject) {
                return new DomainUseContext(dataObject);
            }
        });

        URLService.registerFinder(
            Term.BASE_DATA_OBJECT_TYPE,
            new URLFinder() {
                public String find(OID oid) 
                    throws NoValidURLException {
                    return find(oid, null);
                }

                public String find(OID oid, String context) 
                    throws NoValidURLException {
                    Term term = (Term)DomainObjectFactory.newInstance(oid);
                    Category model = term.getModel();
                    return URLService.locate(model.getOID());
                }
            });

        URLService.registerFinder(
            Domain.BASE_DATA_OBJECT_TYPE,
            new URLFinder() {
                public String find(OID oid) 
                    throws NoValidURLException {
                    return find(oid, null);
                }

                public String find(OID oid, String context) 
                    throws NoValidURLException {
                    Domain domain = (Domain)DomainObjectFactory.newInstance(oid);
                    Category model = domain.getModel();
                    return URLService.locate(model.getOID());
                }
            });
        
        //Register the ApplicationManager implementation for this application
        ApplicationManagers.register(new TermsAppManager());

        XML.parse(Terms.getConfig().getTraversalAdapters(),
                  new TraversalHandler());

        /* Create new term in the proper terms domain whenever a new category 
         * is created through CMS interface, keeping both insync              */
        Categorization.addCategoryListener(new TermCategoryListener());
    }
}