GenericSOSFactory.java

/*
 *    Constellation - An open source and standard compliant SDI
 *    http://www.constellation-sdi.org
 *
 * Copyright 2014 Geomatys.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.constellation.sos.factory;

import org.apache.sis.storage.DataStoreException;
import org.constellation.configuration.DataSourceType;
import org.constellation.generic.database.Automatic;
import org.constellation.metadata.io.MetadataIoException;
import org.constellation.sos.io.generic.DefaultGenericObservationReader;
import org.constellation.sos.io.generic.GenericObservationFilter;
import org.geotoolkit.observation.ObservationFilter;
import org.constellation.sos.io.ObservationReader;
import org.constellation.sos.io.ObservationWriter;

import java.util.Map;

import static org.constellation.configuration.DataSourceType.GENERIC;

/**
  * A Generic implementation of the SOS O&M factory.
 * it provide reader / writer / filter for observations datasource.
 *
 * @since 0.8
 * @author Guilhem Legal (Geomatys)
 */
public class GenericSOSFactory implements OMFactory {

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean factoryMatchType(DataSourceType type) {
        if (type.equals(GENERIC)) {
            return true;
        }
        return false;
    }
    
    /**
     * {@inheritDoc}
     */
    @Override
    public ObservationFilter getObservationFilter(DataSourceType type, Automatic configuration, Map<String, Object> properties) throws DataStoreException {
        return new GenericObservationFilter(configuration, properties);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public ObservationFilter cloneObservationFilter(ObservationFilter omFilter) throws DataStoreException {
        if (omFilter instanceof GenericObservationFilter) {
            return new GenericObservationFilter((GenericObservationFilter) omFilter);
        } else {
            throw new IllegalArgumentException("Unknow observationFilter type: " + omFilter);
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public ObservationReader getObservationReader(DataSourceType type, Automatic configuration, Map<String, Object> properties) throws DataStoreException {
        try {
            return new DefaultGenericObservationReader(configuration, properties);
        } catch (MetadataIoException ex) {
            throw new DataStoreException(ex);
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public ObservationWriter getObservationWriter(DataSourceType type, Automatic configuration, Map<String, Object> properties) throws DataStoreException {
        return null;
    }

    @Override
    public boolean buildDatasource(Automatic configuration, Map<String, Object> parameters) {
        // do nothing
        return true;
    }

}