/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
 *
 *    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;
 *    version 2.1 of the License.
 *
 *    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.
 */
package org.geotools.data.wfs.internal.parsers;

import java.io.IOException;
import org.geotools.util.Version;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import org.geotools.data.wfs.internal.GetFeatureParser;
import org.geotools.data.wfs.internal.GetFeatureRequest;
import org.geotools.data.wfs.internal.Versions;
import org.geotools.xml.Configuration;
import org.opengis.feature.type.FeatureType;

/**
 * A WFS response parser factory for GetFeature requests in GML output formats.
 * 
 * Should eventually completely replace GmlGetFeatureResponseParserFactory as soon as it has been proven to work as well.
 * For now only used for wfs 2.0 and gml 3.2.
 * <p>
 */
@SuppressWarnings("nls")
public class GetFeatureResponseParserFactory extends AbstractGetFeatureResponseParserFactory {

    private static final List<String> SUPPORTED_FORMATS = Collections.unmodifiableList(Arrays
            .asList(//
            "text/xml; subtype=gml/3.1.1",//
                    "text/xml;subtype=gml/3.1.1",//
                    "text/xml; subtype=gml/3.1.1; charset=UTF-8",
                    "text/xml; subtype=gml/3.1.1/profiles/gmlsf/0",//
                    "text/xml;subtype=gml/3.1.1/profiles/gmlsf/0",//
                    "application/gml+xml; subtype=gml/3.1.1",//
                    "application/gml+xml;subtype=gml/3.1.1",//
                    "application/gml+xml; subtype=gml/3.1.1/profiles/gmlsf/0",//
                    "application/gml+xml;subtype=gml/3.1.1/profiles/gmlsf/0",//
                    "GML3", //
                    "GML3L0", //
                    "text/xml", // oddly, GeoServer returns plain 'text/xml' instead of the propper
                                // subtype when resultType=hits. Guess we should make this something
                                // the specific strategy can hanlde?
                    "text/xml; charset=UTF-8",
                    "text/gml; subtype=gml/3.1.1",// the incorrectly advertised GeoServer format
                    "GML2",//
                    "text/xml; subtype=gml/2.1.2", //
                    "application/xml", //
                    "text/xml; subtype=gml/3.2", //
                    "application/gml+xml; version=3.2", //
                    "gml32" //
            ));
    
    private static final List<String> SUPPORTED_VERSIONS = Collections.unmodifiableList(Arrays
            .asList(
                    Versions.v2_0_0.toString()
                    //, Versions.v1_0_0.toString() --disabled for now, so the old factory is definitely picked
                    //, Versions.v1_1_0.toString() --disabled for now, so the old factory is definitely picked
            ));

    @Override
    protected GetFeatureParser parser(GetFeatureRequest request, InputStream in) throws IOException {

        FeatureType queryType = request.getQueryType();
        if (queryType == null) {
            queryType = request.getFullType();
        }

        Configuration config = null;
        if (request.getStrategy().getVersion().equals(Versions.v2_0_0.toString())) {
            config = new org.geotools.wfs.v2_0.WFSConfiguration();
        } else if (request.getStrategy().getVersion().equals(Versions.v1_1_0.toString())) {
            config = new org.geotools.wfs.v1_1.WFSConfiguration();
        } else if (request.getStrategy().getVersion().equals(Versions.v1_0_0.toString())) {
            config = new org.geotools.wfs.v1_0.WFSConfiguration();
        }
        return new PullParserFeatureReader(config, in, queryType);
        
        //TODO: what about axis order issue solved in old parser?        
    }
    
    @Override
    public List<String> getSupportedOutputFormats() {
        return SUPPORTED_FORMATS;
    }

    @Override
    protected List<String> getSupportedVersions() {
        return SUPPORTED_VERSIONS;
    }
}