com.isotrol.impe3.pms.core.impl.ExternalServicesServiceImpl.java Source code

Introduction

Here is the source code for com.isotrol.impe3.pms.core.impl.ExternalServicesServiceImpl.java

Source

/**
 * This file is part of Port@l
 * Port@l 3.0 - Portal Engine and Management System
 * Copyright (C) 2010  Isotrol, SA.  http://www.isotrol.com
 *
 * Port@l 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 3 of the License, or
 * (at your option) any later version.
 *
 * Port@l 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 Port@l.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.isotrol.impe3.pms.core.impl;

import static com.google.common.base.Preconditions.checkNotNull;

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;

import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.google.common.base.Function;
import com.google.common.collect.ComputationException;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;
import com.google.common.collect.Ordering;
import com.isotrol.impe3.nr.api.NodeRepository;
import com.isotrol.impe3.pms.api.PMSException;
import com.isotrol.impe3.pms.api.esvc.ExternalServiceDTO;
import com.isotrol.impe3.pms.api.esvc.ExternalServiceType;
import com.isotrol.impe3.pms.api.esvc.ExternalServicesService;
import com.isotrol.impe3.pms.api.esvc.IndexersService;
import com.isotrol.impe3.pms.core.obj.ConnectorObject;
import com.isotrol.impe3.pms.core.obj.ContextGlobal;
import com.isotrol.impe3.pms.core.obj.Provider;
import com.isotrol.impe3.users.api.PortalUsersService;
import com.isotrol.impe3.web20.api.CommentsService;

/**
 * Implementation of ExternalServicesService.
 * @author Andres Rodriguez.
 */
@Service("externalServicesService")
public final class ExternalServicesServiceImpl extends AbstractContextService implements ExternalServicesService {
    private static final Map<ExternalServiceType, Class<?>> TYPES;

    private static final Ordering<ExternalServiceDTO> BY_NAME = Ordering.natural()
            .onResultOf(new Function<ExternalServiceDTO, String>() {
                public String apply(ExternalServiceDTO from) {
                    return from.getName();
                }
            });

    static {
        final Map<ExternalServiceType, Class<?>> m = Maps.newEnumMap(ExternalServiceType.class);
        m.put(ExternalServiceType.USERS, PortalUsersService.class);
        m.put(ExternalServiceType.NODE_REPOSITORY, NodeRepository.class);
        m.put(ExternalServiceType.COMMENTS, CommentsService.class);
        m.put(ExternalServiceType.INDEXER_REPOSITORY, IndexersService.class);
        // TODO ZINEB --> Poner la interfaz del nuevo servicio... EL DEL CONECTOR
        //m.put(ExternalServiceType.INDEXER_REPOSITORY, restinde.class); (RESTINDEXERSERVICE.CLASS,TAMBIEN PONER LA DEPENDENCIA DEL PROYECTO DEL OTRO(CONECTOR CREADO))
        TYPES = Collections.unmodifiableMap(m);
    }

    /** Default constructor. */
    public ExternalServicesServiceImpl() {
    }

    /**
     * @see com.isotrol.impe3.pms.api.esvc.ExternalServicesService#getServices(com.isotrol.impe3.pms.api.esvc.ExternalServiceType)
     */
    @Transactional(rollbackFor = Throwable.class)
    public List<ExternalServiceDTO> getServices(ExternalServiceType type) throws PMSException {
        checkNotNull(type);
        final Class<?> klass = checkNotNull(TYPES.get(type));
        final ContextGlobal ctx = loadContextGlobal();
        final Set<Provider> providers = ctx.getPossibleProviders(klass);
        final Function<Provider, ExternalServiceDTO> f = new Function<Provider, ExternalServiceDTO>() {
            public ExternalServiceDTO apply(Provider from) {
                try {
                    final UUID cnnId = from.getConnectorId();
                    final ConnectorObject cnn = ctx.loadConnector(cnnId);
                    final ExternalServiceDTO dto = new ExternalServiceDTO();
                    dto.setId(cnnId.toString().toLowerCase() + ":" + from.getBean());
                    cnn.fill(dto);
                    return dto;
                } catch (PMSException e) {
                    throw new ComputationException(e);
                }
            }
        };
        return BY_NAME.sortedCopy(Iterables.transform(providers, f));
    }

}