/*
* Copyright (C) 2014 Camptocamp
*
* This file is part of MapFish Print
*
* MapFish Print 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.
*
* MapFish Print 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 MapFish Print. If not, see <http://www.gnu.org/licenses/>.
*/
package org.mapfish.print.attribute;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.mapfish.print.config.Configuration;
import org.mapfish.print.config.Template;
import org.mapfish.print.http.MfClientHttpRequestFactory;
import org.mapfish.print.map.geotools.FeaturesParser;
import org.mapfish.print.parser.HasDefaultValue;
import org.opengis.referencing.FactoryException;
import java.io.IOException;
import java.util.List;
/**
* Attribute for GeoJson features collection.
* <p/>
* Created by Stéphane Brunner on 16/4/14.
*/
public final class FeaturesAttribute extends ReflectiveAttribute<FeaturesAttribute.FeaturesAttributeValues> {
@Override
protected Class<FeaturesAttributeValues> getValueType() {
return FeaturesAttributeValues.class;
}
@Override
public FeaturesAttributeValues createValue(final Template template) {
return new FeaturesAttributeValues(template);
}
@Override
public void validate(final List<Throwable> validationErrors, final Configuration configuration) {
// no checks required
}
/**
* The value of {@link FeaturesAttribute}.
*/
public static final class FeaturesAttributeValues {
private final Template template;
private SimpleFeatureCollection featuresCollection;
/**
* The geojson features.
*/
public String features;
/**
* By default the normal axis order as specified in EPSG code will be used when parsing projections. However
* the requestor can override this by explicitly declaring that longitude axis is first.
*/
@HasDefaultValue
public Boolean longitudeFirst = null;
/**
* Constructor.
*
* @param template the template this map is part of.
*/
public FeaturesAttributeValues(final Template template) {
this.template = template;
}
/**
* Validate the values provided by the request data and construct MapBounds and parse the layers.
*
* @param httpRequestFactory the request factory to use for making requests
*/
public synchronized SimpleFeatureCollection getFeatures(final MfClientHttpRequestFactory httpRequestFactory) throws
FactoryException, IOException {
if (this.featuresCollection == null) {
final boolean forceLongitudeFirst = this.longitudeFirst == null ? false : this.longitudeFirst;
final FeaturesParser parser = new FeaturesParser(httpRequestFactory, forceLongitudeFirst);
this.featuresCollection = parser.autoTreat(this.template, this.features);
}
return this.featuresCollection;
}
}
}